Item 1. Business
Item
1. Business
Overview
Citius
Pharmaceuticals, Inc. (“Citius Pharma”, and together with its subsidiaries, the “Company” or “we”),
headquartered in Cranford, New Jersey, is a late-stage pharmaceutical company dedicated to the development and commercialization of first-in-class
critical care products with a focus on oncology, anti-infectives in adjunct cancer care, unique prescription products and stem cell therapy.
Our goal generally is to achieve leading market positions by providing therapeutic products that address unmet medical needs yet have
a lower development risk than usually is associated with new chemical entities. New formulations of previously approved drugs with substantial
existing safety and efficacy data are a core focus. We seek to reduce development and clinical risks associated with drug development,
yet still focus on innovative applications. Our strategy centers on products that have intellectual property and regulatory exclusivity
protection, while providing competitive advantages over other existing therapeutic approaches.
The
Company was founded as Citius Pharmaceuticals, LLC, a Massachusetts limited liability company, on January 23, 2007. On September 12,
2014, Citius Pharmaceuticals, LLC entered into a Share Exchange and Reorganization Agreement, with Citius Pharma (formerly Trail One,
Inc.), a publicly traded company incorporated under the laws of the State of Nevada. Citius Pharmaceuticals, LLC became a wholly-owned
subsidiary of Citius Pharma. On March 30, 2016, Citius Pharma acquired Leonard-Meron Biosciences, Inc. (“LMB”) as a wholly-owned
subsidiary. LMB was a pharmaceutical company focused on the development and commercialization of critical care products with a concentration
on anti-infectives. On September 11, 2020, we formed NoveCite, Inc. (“NoveCite”), a Delaware corporation, of which we own
75% of the issued and outstanding capital stock. NoveCite is focused on the development and commercialization of its proprietary mesenchymal
stem cells for the treatment of acute respiratory disease syndrome (“ARDS”).
On
August 23, 2021, we formed Citius Oncology, Inc. (formerly Citius Acquisition Corp.) (“Citius Oncology”) as a wholly-owned
subsidiary in conjunction with the acquisition of LYMPHIR TM , but Citius Oncology did not begin operations until April 2022,
when Citius Pharma transferred the assets related to LYMPHIR to Citius Oncology, including the related license agreement with Eisai Co.,
Ltd. (“Eisai”) and the related asset purchase agreement with Dr. Reddy’s Laboratories SA, a subsidiary of Dr. Reddy’s
Laboratories, Ltd. (collectively, “Dr. Reddy’s”). Since its inception, Citius Pharma has funded Citius Oncology, and
Citius Pharma and Citius Oncology are party to a shared services agreement, which governs certain management and scientific services
that Citius Pharma provides Citius Oncology.
Since
its inception, the Company has devoted substantially all of its efforts to business planning, acquiring our proprietary technology, research
and development, recruiting management and technical staff, and raising capital. We are developing five proprietary products: LYMPHIR,
in-licensed in September 2021 (now owned by Citius Oncology), an engineered IL-2 diphtheria toxin fusion protein, for the treatment of
patients with persistent or recurrent cutaneous T-cell lymphoma (“CTCL”); Mino-Lok, an antibiotic lock solution used to treat
patients with catheter-related bloodstream infections by salvaging the infected catheter; Halo-Lido, a corticosteroid-lidocaine topical
formulation that is intended to provide anti-inflammatory and anesthetic relief to persons suffering from hemorrhoids; Mino-Wrap, a liquifying
gel-based wrap for reduction of tissue expander infections following breast reconstructive surgeries; and NoveCite, a mesenchymal stem
cell therapy for the treatment of ARDS. We believe these unique markets for our products are large, growing, and underserved by the current
prescription products or procedures.
We
are subject to a number of risks common to companies in the pharmaceutical industry including, but not limited to, risks related to the
development by us or our competitors of research and development stage products, market acceptance of its products that receive regulatory
approval, competition from larger companies, dependence on key personnel, dependence on key suppliers and strategic partners, the Company’s
ability to obtain additional financing and the Company’s compliance with governmental and other regulations.
1
Recent
Developments
As
previously disclosed, on October 23, 2023, Citius Pharma and Citius Oncology entered into an agreement and plan of merger and reorganization
(the “Merger Agreement”) with TenX Keane Acquisition, a Cayman Islands exempted company (“TenX”), and TenX Merger
Sub Inc., a Delaware corporation and a wholly owned subsidiary of TenX (“Merger Sub”). The Merger Agreement provides, among
other things, (i) on the terms and subject to the conditions set forth therein, that Merger Sub will merge with and into Citius Oncology,
with Citius Oncology to be renamed and to survive as a wholly owned subsidiary of TenX (the “Merger”), and (ii) that prior
to the effective time of the Merger (the “Effective Time”), TenX will migrate to and domesticate as a Delaware corporation
in accordance with Section 388 of the General Corporation Law of the State of Delaware and the Cayman Islands Companies Act (As Revised)
(the “Domestication”). The newly combined publicly traded company is to be named “Citius Oncology, Inc.” (the
“Combined Company”). The Domestication, Merger and the other transactions contemplated by the Merger Agreement are referred
to herein as the “Business Combination”.
In
the Merger, all shares of Citius Oncology would be converted into the right to receive common stock of the Combined Company. As a result,
upon closing, Citius Pharma would receive 67.5 million shares of common stock of the Combined Company which, at an implied value of $10.00
per share, would be $675 million in equity of the Combined Company, before fees and expenses. As part of the transaction, Citius Pharma
will contribute $10 million in cash to the Combined Company. An additional 12.6 million existing options will be assumed by the Combined
Company. Citius Pharma and the Combined Company will also enter into an amended and restated shared services agreement, which, among
other things, will govern certain management and scientific services that Citius Pharma will continue to provide to the Combined Company
following the Effective Time.
The
Merger Agreement, Business Combination and the transactions contemplated thereby were unanimously approved by the boards of directors
of each of Citius Pharma, Citius Oncology and TenX. The transaction is expected to be completed in the first half of 2024, subject to
approval by stockholders of TenX and other customary closing conditions, including final regulatory approvals and SEC filings. There
can be no assurance regarding the ultimate timing of the proposed transaction or that the transaction will be completed at all.
LYMPHIR TM (denileukin
diftitox-cdxl)
Overview
In
September 2021, the Company announced that it had entered into an asset purchase agreement with Dr. Reddy’s to acquire its exclusive
license of E7777 (denileukin diftitox), a late-stage oncology immunotherapy for the treatment of CTCL, a rare form of non-Hodgkin lymphoma.
Dr. Reddy’s had previously licensed E777 to Eisai and as part of the transaction, Eisai entered into a license agreement whereby
Eisai assigned all of its rights to E7777 to Citius Pharma. In April 2022, Citius Pharma transferred the assets related to E7777 to Citius
Oncology, including the related license agreement with Eisai and the related asset purchase agreement with Dr. Reddy’s. Renamed
LYMPHIR, E7777 is an improved formulation of ONTAK®, which was previously approved by the United States Food and Drug Administration
(“FDA”) marketed for the treatment of patients with persistent or recurrent CTCL. At times in this annual report on Form
10-K, LYMPHIR may be referred as E7777.
LYMPHIR
is recombinant DNA-derived fusion protein designed to direct the cytocidal action of diphtheria toxin (DT) to cells which express the
IL-2 receptor. After uptake into the cell, the DT fragment is cleaved and the free DT fragments inhibit protein synthesis, resulting
in cell death. Consequently, LYMPHIR’s differentiated mechanism of action supports two therapeutic effects: (i) killing tumors
by binding to IL-2 receptors to deliver diphtheria toxin directly to the tumor cells, and (ii) depleting immunosuppressive regulatory
T lymphocytes (Tregs) to enhance antitumor activity.
2
Phase
3 Trial (E7777-G000-302) Design
In
2013, a global, multicenter, open label single arm pivotal clinical trial for the treatment of patients with persistent or recurrent
CTCL was initiated. Inclusion criteria for the study were to evaluate patients in advanced stage CTCL (Mycosis Fungoides or Sézary
Syndrome), who received at least one prior CTCL therapy.
The
pivotal trial was divided into two phases, a lead-in phase with 21 subjects that evaluated dose finding, pharmacokinetics and immunogenicity,
and assessed the Objective Response Rate (the “ORR”). An ORR is defined as a greater than 50% reduction in tumor burden.
Patients received a daily intravenous infusion of denileukin diftitox from Day 1 through Day 5 of each 21-day cycle.
Based
on safety, tolerability, and efficacy data of the lead-in phase, 9 mcg/kg/dose was selected for the main phase of the study. No new safety
signals were identified compared to ONTAK. In addition, an ORR of 38.1% in the intent to treat population and 44.4% in the efficacy evaluable
populations were observed. In the second and main phase of the pivotal trial, 70 patients were administered the 9 mcg/kg/dose rate for
5 consecutive days in 21-day cycles. The inclusion criteria were identical to the lead-in study and the primary objective was to evaluate
the ORR.
Phase
3 Trial Efficacy & Safety Results
The
efficacy population of the main study includes 69 patients with relapsed or refractory stage I to III CTCL. Of the 69 patients, the median
age was 64 years (range: 28 to 87 years), 65% were male, 73% were White, 19% Black or African American, 1% Asian, and 14% Hispanic or
Latino. The CTCL disease stage was IA in 7%, IB in 23%, IIA in 13%, IIB in 35%, IIIA in 12%, and IIIB in 10%. The median number of prior
therapies was 4 (range: 1 to 18), including both skin-directed and systemic therapies. Prior therapies included photodynamic therapy
(56%), total skin electron beam therapy (42%), systemic retinoids (49%), methotrexate/pralatrexate (49%), histone deacetylase inhibitor
(35%), brentuximab vedotin (26%) and mogamulizumab (12%).
Efficacy
was established based on ORR, according to ISCL/EORTC Global Response Score (GRS) per Independent Review Committee (Olsen 2011). Efficacy
results are shown in the table below.
LYMPHIR
Efficacy
Results of E7777-G000-302
9
mcg/kg/day
(N
= 69)
ORR (GRS)% a
36%
(95%
CI b )
(25,
49)
Complete Response
9%
Partial Response
27%
Duration of Response
Median
(range), months
6.5
(3.0 +, 23.5 +)
Duration
≥ 6 months, n (%)
52%
Median Time to Response,
months
1.4
(95%
CI b )
(0.7,
5.6)
a) ORR,
Objective Response Rate per Olsen, et all (2011) Global Response Score (GRS), by Independent
Review Committee (IRC)
b) CI
= confidence interval
Overall,
LYMPHIR was well-tolerated with the use of pre-medications, close patient monitoring, and prompt initiation of supportive measures and
drug management. There was no evidence of cumulative toxicity and most patients experienced low grade 1 or 2 treatment emergent adverse
events.
Serious
adverse reactions occurred in 38% of patients who received LYMPHIR. Serious adverse reactions in > 2% of patients included capillary
leak syndrome (10%), infusion-related reaction (9%), sepsis (7%), skin infection (2.9%), pyrexia (2.9%), and rash (2.9%).
3
Adverse
Reactions (≥ 10%) in Patients with Relapsed or Refractory Stage I-III CTCL Who Received
LYMPHIR
in E7777-G000-302
LYMPHIR
N
= 69
Adverse
Reaction
All
Grades
(%)
Grade
3 or 4
(%)
Gastrointestinal disorders
Nausea
43
1.4
Diarrhea
19
0
Vomiting
13
0
Constipation
12
0
General disorders and administration
site conditions
Fatigue a
38
0
Edema b
33
1.4
Chills
27
1.4
Fever c
16
1.4
Musculoskeletal and connective
tissue disorders
Musculoskeletal
pain d
27
2.9
Arthralgia e
12
0
Nervous
system disorders
Headache f
25
0
Dizziness
13
0
Mental
status changes g
13
0
Injury, poisoning and procedural
complications
Infusion-related reaction
25
6
Skin and subcutaneous tissue
disorders
Rash h
23
6
Pruritis i
19
6
Vascular disorders
Capillary leak syndrome
20
6
Metabolism and nutrition
disorders
Decreased appetite
13
1.4
Eye disorders
Vision
changes j
13
0
Investigations
Weight increased
13
0
Infections and infestations
Skin infection
13
1.4
Renal and urinary disorders
Renal
insufficiency l
12
2.9
Psychiatric disorders
Insomnia
10
0
(a) Includes
fatigue, asthenia, and lethargy.
(b) Includes
edema, edema peripheral generalized edema, face edema, swelling face, peripheral swelling.
(c) Includes
fever, pyrexia, tumor associated fever.
(d) Includes
musculoskeletal pain, back pain, neck pain, pain in extremity, myalgia, bone pain, flank
pain.
(e) Includes
arthralgia, joint swelling, joint range of motion decreased, musculoskeletal stiffness.
(f) Includes
headache, migraine.
(g) Includes
mental status changes, amnesia, confusional state, delirium, altered state of consciousness,
hallucinations (including auditory), memory impairment, disturbance in attention, somnolence,
cognitive disorder.
(h) Includes
rash, dermatitis, drug eruption, erythema, palmar erythema, toxic skin eruption, rash maculo-papular,
rash opular, rash pustular, rash pruritic, dermatitis exfoliative generalized, acute generalized
exanthematous pustulosis.
(i) Includes
pruritis, itching.
(j) Includes
vision blurred, photopsia, visual impairment.
(k) Includes
skin infection, skin bacterial infection, staphylococcal skin infection, cellulitis, impetigo.
(l) Includes
renal failure, nephropathy, acute kidney injury, blood creatinine increased, renal impairment.
4
Investigator
Initiated Trials
We
believe there is an opportunity in the field of immuno-oncology and have undertaken two investigator-initiated trials to evaluate the
potential safety and efficacy of LYMPHIR for potential as an immuno-oncology combination therapy.
A
Phase 1 trial was initiated in June 2021 at the University of Minnesota, Masonic Cancer Center. This study is a single-arm open-label
trial which has an estimated enrollment of 20 participants who will be administered denileukin diftitox prior to Chimeric Antigen Receptor,
(“CAR-T”) therapies. The Phase 1 study consists of two components: dose finding to establish a maximum tolerated dose (“MTD”)
of denileukin diftitox in combination with CART-T therapies, and an extension component to provide an estimate of efficacy at that MTD.
(Title: Phase I/II Trial Using E7777 to Enhance Regulatory T-Cell Depletion Prior to CAR-T Therapy for Relapsed/Refractory B-Cell Lymphoma
(DLBCL). NCT04855253)
A
second Phase 1 Study was initiated in September 2022 at the University of Pittsburg Medical Center, Hillman Cancer Center. This study
is an open-label, Phase 1/1b study to investigate the safety and efficacy of a combined regimen of pembrolizumab with T-regulatory cell
depletion and denileukin diftitox in patients diagnosed with recurrent or metastatic solid tumors in the second line setting. (Title:
The efficacy of T-regulatory cell depletion with E7777 combined with immune checkpoint inhibitor, pembrolizumab, in recurrent or metastatic
solid tumors: Phase I/II Study. NCT05200559).
The
study consists of two parts. Part I is a dose escalation study of four cohorts (3,6,9,12 mcg of LYMPHIR) and is expected to enroll 18-30
patients. Part II is a dose expansion study of approximately 40 patients to evaluate the safety and tolerability of the recommended combination
dose of LYMPHIR and pembrolizumab (to include ovarian cancer and MSI-H cancer cohorts). The study will also investigate the alteration
of the immune microenvironment within tumors and peripheral blood. Secondary endpoints include the objective response (complete response
plus partial response), progression-free survival, and overall survival.
Regulatory
Development
In
the 1990’s, denileukin diftitox was developed at Boston University and the National Cancer Institute (“NCI”) in collaboration
with Seragen, Inc.
In
1999, ONTAK® (denileukin diftitox) was granted accelerated approval by the FDA for the treatment of persistent or recurrent CTCL.
Ligand Pharmaceuticals, Inc. (“Ligand”) acquired the marketing rights in that same year.
In
2006, Eisai acquired the commercial rights to ONTAK from Ligand.
In
2008, the FDA granted full approval to ONTAK for CTCL.
In
2011, a new formulation of denileukin diftitox was developed under the code name E7777 in response to a post-marketing condition established
by the FDA upon approval. As the FDA considered this a new product, an Investigational New Drug Application (“IND”) was filed.
As a part of ensuing discussions, the FDA agreed to a development plan that included a single arm, open label study to confirm the safety
and efficacy of E7777 and a chemistry, manufacturing, and controls (“CMC”) development plan that demonstrates the new process
results in a comparable drug product.
5
In
2011, the FDA Office of Orphan Products Development granted E7777 orphan drug designation status for the treatment of Peripheral T-Cell
Lymphoma (“PTCL”). In 2013, the FDA Office of Orphan Products Development granted E7777 orphan drug designation status for
the treatment of CTCL.
In
2013, the first patient was enrolled into the lead-in phase of the pivotal study for the E7777 United States (“U.S.”) CTCL
clinical trial.
In
2014, commercial sales of ONTAK were discontinued when the product was voluntarily withdrawn from the market due to manufacturing issues
at the contract manufacturer.
In
2015, the last patient enrolled exited the lead-in phase of the E7777 U.S. CTCL clinical trial.
In
March 2016, Dr. Reddy’s acquired the global rights to E7777 from Eisai, other than far east countries, with Eisai retaining the
rights in those countries.
In
June 2016, the first patient was enrolled in the main phase of the Phase 3 U.S. CTCL clinical trial for E7777.
In
March 2020, Eisai filed an NDA for E7777 in Japan for both CTCL and PTCL, and in March 2021 received approvals in both indications.
In
September 2021, Citius Pharma acquired the marketing rights to E7777 in selected markets. Citius Pharma subsequently renamed E7777 as
LYMPHIR.
In
December 2021, patient enrollment for the Phase 3 Pivotal study of E7777 was completed.
In
April 2022, we reported that topline results from the Phase 3 trial were consistent with the prior formulation. Moreover, no new safety
signals were identified.
In
December 2022, a biologics license application (“BLA”) for LYMPHIR was accepted for filing with the FDA and a PDUFA goal
date was set for July 28, 2023.
In
July 2023, the FDA issued a complete response letter requiring us to incorporate enhanced product testing and additional controls agreed
to with the FDA during the market application review. There were no concerns relating to the safety and efficacy clinical data package
submitted with the BLA, or the proposed prescribing information.
In
September 2023, we announced that the FDA has agreed with the plans to address the requirements outlined in the complete response letter,
which guidance has provided the Company with a path for completing the necessary activities to support the resubmission of the BLA for
LYMPHIR.
Market
Opportunity
CTCL’s
are a heterogeneous subset of extranodal non-Hodgkin lymphomas (“NHL”) of mature, skin-homing T-cells that are mainly localized
to the skin. The most common types of CTCL are mycosis fungoides (“MF”) and primary cutaneous CD30+ anaplastic large cell
lymphoma (pcALCL), jointly representing an estimated 80 to 85% of all CTCL. Sézary Syndrome (“SS”), a very rare subtype
(~2 to 5% of CTCL) characterized by diffuse inflammatory, often exfoliative, erythroderma and by leukemic and nodal involvement, displays
a significant degree of clinical and biological overlap with MF and has long been considered a clinical variant of MF, although recent
evidence suggests that it may be a separate entity. The rest is represented by extremely rare, generally more aggressive subtypes. In
light of the overlap between MF and SS, and considering that many of the systemic therapy options for the two neoplasms are the same,
some consider the treatment approach to MF and SS as if they were a single disease entity (MF/SS). However, some of the drugs currently
in use, or in development, for MF/SS appear to be more effective in clearing different anatomical compartments (skin versus blood, for
example) and therefore have differential efficacy in MF and SS.
6
Based
on Surveillance Epidemiology and End Results (SEER) data from 2001 to 2007, the estimated incidence rate of MF/SS in the U.S. is 0.5/100,000
or about 2,500 to 3,000 new cases per year representing about 25% of all T-cell lymphomas.
In
total, the Company estimates that there are approximately 30,000 to 40,000 patients living with CTCL in the U.S.
Based
on internal estimates, the Company believes the addressable U.S. market for LYMPHIR exceeds $400,000,000 and may further expand with
the introduction of a new therapeutic.
Proposed
Spinoff
In
May 2022, we announced that we intend to split the Company’s assets into two separate publicly traded entities (the “Spinoff”).
Pursuant to that plan we formed a new company focused on developing and commercializing LYMPHIR. Our other pipeline assets, including
Mino-Lok, remain at Citius Pharma. Following the Spinoff, Citius Pharma would continue to trade on the Nasdaq Capital Market exchange
under its current ticker CTXR. The strategic action is intended to optimize organizational resources and investment capital to support
the successful execution of each development program.
As
discussed above, in October 2023, the Company announced that we entered into the Merger Agreement, dated October 23, 2023, for a proposed
merger whereby TenX would acquire Citius Oncology. Following closing, the Combined Company would continue as a public company listed
on the Nasdaq Global Market. The transaction is expected to be completed in the first half of 2024, subject to approval by stockholders
of TenX and other customary closing conditions, including compliance with the Nasdaq initial listing requirements, final regulatory approvals,
and SEC filings. There can be no assurance regarding the ultimate timing of the proposed transaction or that the transaction will be
completed at all.
Mino-Lok ®
Overview
Mino-Lok
is a patented solution containing minocycline, disodium ethylenediaminetetraacetic acid (edetate), and ethyl alcohol, all of which act
synergistically to treat and salvage infected central venous catheters (“CVCs”) in patients with catheter related bloodstream
infections (“CRBSIs”). Mino-Lok breaks down biofilm barriers formed by bacterial colonies, eradicates the bacteria, and provides
anti-clotting properties to maintain patency in CVCs.
The
administration of Mino-Lok consists of filling the lumen of the catheter with 0.8 ml to 2.0 ml of Mino-Lok solution. The catheter is
then “locked”, meaning that the solution remains in the catheter without flowing into the vein. The lock is maintained for
a dwell-time of two hours while the catheter is not in use. If the catheter has multiple lumens, all lumens may be locked with the Mino-Lok
solution either simultaneously or sequentially. If patients are receiving continuous infusion therapy, the catheters alternate between
being locked with the Mino-Lok solution and delivering therapy. The Mino-Lok therapy is two hours per day for at least five days, usually
with two additional locks in the subsequent two weeks. After locking the catheter for two hours, the Mino-Lok solution is aspirated,
and the catheter is flushed with normal saline. At that time, either the infusion will be continued, or will be locked with the standard-of-care
lock solution until further use of the catheter is required. In a clinical study conducted by MD Anderson Cancer Center (“MDACC”),
there were no serum levels of either minocycline or edetate detected in the sera of several patients who underwent daily catheter lock
solution with minocycline and edetate (“M-EDTA”) at the concentration level proposed in Mino-Lok treatment. Thus, it has
been demonstrated that the amount of either minocycline or edetate that leaks into the serum is very low or none at all.
Phase
2b Results
From
April 2013 to July 2014, 30 patients with CVC-related bloodstream infection were enrolled at MDACC in a prospective Phase 2b study. Patients
received Mino-Lok therapy for two hours once daily for a minimum of five days within the first week, followed by two additional locks
within the next two weeks. Patients were followed for one month post-lock therapy. Demographic information, clinical characteristics,
laboratory data, therapy, as well as adverse events and outcome were collected for each patient. Median age at diagnosis was 56 years
(range: 21-73 years). In all patients, prior to the use of lock therapy, systemic treatment with a culture-directed, first-line intravenous
antibiotic was started. Microbiological eradication was achieved at the end of therapy in all cases. None of the patients experienced
any serious adverse event related to the lock therapy.
7
The
active arm, which is the Mino-Lok treated group of patients, was then compared to 60 patients in a matched cohort that experienced removal
and replacement of their CVCs within the same contemporaneous timeframe. The patients were matched for cancer type, infecting organism,
and level of neutropenia. All patients were cancer patients and treated at MDACC. The efficacy of Mino-Lok therapy was 100% in salvaging
CVCs, demonstrating equal effectiveness to removing the infected CVC and replacing it with a new catheter.
The
main purpose of the study was to show that Mino-Lok therapy was at least as effective as the removal and replacement of CVCs when CRBSIs
are present, and that the safety was better, that is, the complications of removing an infected catheter and replacing with a new one
could be avoided. In addition to having a 100% efficacy rate with all CVCs being salvaged, Mino-Lok therapy had no significant adverse
events (“SAEs”), compared to an 18% SAE rate in the matched cohort where patients had the infected CVCs removed and replaced
with a fresh catheter. There were no overall complication rates in the Mino-Lok arm group compared to 11 patients with events (18%) in
the control group. These events included bacterial relapse (5%) at four weeks post-intervention, and a number of complications associated
with mechanical manipulation in the removal or replacement procedure for the catheter (10%) or development of deep-seated infections
such as septic thrombophlebitis and osteomyelitis (8%). As footnoted, six patients had more than one complication in the control arm
group.
Mino-Lok®
Arm
Control
Arm
Parameter
N
(%)
N
(%)%
Patients
30
(100 )%
60
(100 )%
Cancer
type
- Hematologic
20
(67 )
48
(80 )
-
Solid tumor
10
(33 )
12
(20 )
ICU
Admission
4
(13 )
4
(7 )
Mech.Ventilator
3
(10 )
0
(0 )
Bacteremia
- Gram+
17
(57 )*
32
(53 )
- Gram-
14
(47 )*
28
(47 )
Neutropenia
(<500)
19
(63 )
36
(60 )
Microbiologic
Eradication
30
(100 )
60
(100 )
- Relapse
0
(0 )
3
(5 )
Complications
0
(0 )
8
(13 )
SAEs
related R&R
0
(0 )
6
(10 )
Overall
Complication Rate
0
(0 )%
11 **
(18 )%
* 1
Polymicrobial patient had a Gram+ and a Gram- organism cultured
** 6
Patients had > 1 complication
Source:
Dr. Issam Raad, Antimicrobial Agents and Chemotherapy, June 2016, Vol. 60 No. 6, Page 3429
Phase
3 Trial
In
November 2016, the Company initiated site recruitment for Phase 3 clinical trials. From initiation through the first quarter of 2017,
the Company received input from several sites related to the control arm as being less than standard-of-care for some of the respective
institutions. The Company worked closely with the FDA with respect to the design of the Phase 3 trial and received feedback on August
17, 2017. The FDA stated that they recognized that there is an unmet medical need in salvaging infected catheters and agreed that an
open label, superiority design would address the Company’s concerns and would be acceptable to meet the requirements of a new drug
application. The Company amended the Phase 3 study design to remove the saline and heparin placebo control arm and to use an active control
arm that conforms with today’s current standard-of-care. Patient enrollment commenced in February 2018.
8
The
Mino-Lok Phase 3 Trial was originally planned to enroll 700 patients in 50 participating institutions, all located in the U.S. There
were interim analyses at both the 50% and 75% points of the trial as measured by the number of patients treated.
In
September 2019, the Company announced that the FDA agreed to a new primary efficacy endpoint of “time to catheter failure”
in comparing Mino-Lok to the antibiotic lock control arm. This change in the trial design reduced the required patient sample size of
the trial from 700 subjects to approximately 144 available subjects to achieve the pre-specified 92 catheter failure events needed to
conclude the trial. Additionally, the Company submitted a response to the FDA that it would implement this change in the primary endpoint
and expected it to result in less than 150 subjects needed in its Phase 3 trial. The new primary endpoints require that the time to catheter
failure be at least 38 days for Mino-Lok versus 21 days for the standard of care antibiotic locks.
In
October 2019, the FDA agreed that the patient sample size of approximately 144 patients was acceptable.
In
October 2019, the Company announced that the Phase 3 trial had reached the 40% completion triggering an interim futility analysis by
the data monitoring committee (the “DMC”). The DMC is an independent panel of experts that review progress regarding the
safety and efficacy of drugs in clinical trials, and to determine if the trial may be futile in achieving its endpoints or if the trial
should be modified in any way.
In
December 2019, the DMC convened and recommended that the trial continue with no changes because the analysis showed a positive outcome,
as it met the prespecified interim futility analysis criteria.
In
May 2020, we announced that we are providing free access to Mino-Lok for healthcare providers under an Expanded Access protocol to ease
the burden associated with the COVID-19 pandemic. Through the Expanded Access protocol, an infected central venous catheter can now be
treated with Mino-Lok, potentially avoiding the need for the removal and replacement procedure.
In
June 2020, we announced that we had received positive feedback from the FDA on our proposed catheter compatibility studies for Mino-Lok.
The studies, if and when successfully completed, should allow Mino-Lok to be labeled for use with all commercially available CVCs and
peripherally inserted central catheters (PICCs) on the U.S. market. We further assume that these studies will meet European and world
standards. The ability to be labeled without restrictions with respect to catheter type would allow Mino-Lok unrestricted access to the
full U.S. and world markets for an effective antibiotic lock therapy for central line associated blood stream infections (“CLABSIs”).
In
September 2020, we announced that another DMC meeting was held to review the data being generated and analyzed in the Mino-Lok Phase
3 trial based on progress to date, and to make recommendations to us as to any action that may be necessary regarding the study. After
reviewing these data, the DMC members stated that they did not find any safety signals; and they also recommended continuing the trial
without any modifications. The DMC further conducted an ad hoc meeting and agreed with the Company that a 75% interim analysis
be conducted as planned in which superior efficacy is evaluated. The 75% interim analysis was subsequently changed to a 65% interim analysis
by the Company.
In
September 2020, the Company announced that the three registration batches for all components of Mino Lok were manufactured and that clinical
sites were resupplied with registration product.
In
November 2020, the Company announced that the three components of Mino-Lok, minocycline, disodium edetate (“EDTA”), and ethanol,
were superior to EDTA and ethanol in their ability to eradicate resistant staphylococcal biofilms.
The
65% interim analysis was completed in June 2021. In July 2021, the Company announced that following an unblinded data review of safety
and efficacy, the independent DMC for the trial recommended proceeding with the trial as planned. The DMC did not identify any safety
concerns and no modifications were recommended to the protocol-defined sample size or power to achieve the primary endpoint.
9
In
May 2022, the Company selected Biorasi, LLC (“Biorasi”), a global clinical research organization (“CRO”), to
help expand the Company’s Phase 3 Mino-Lok trial by implementing additional sites outside the U.S. As of December 15, 2023,
there are 12 active sites in the U.S. currently including such academic centers as Henry Ford Health Center, Georgetown University
Medical Center, and others. There currently are 16 sites active in India, making a total of 28 participating Mino-Lok institutions globally.
In
August 2023, the Company announced all 92 events required to complete the trial have been achieved. Several patients remain in active
treatment, which may result in additional events.
In late December 2023, the Company determined that patient enrollment
for the Mino-Lok trial was complete and that it would begin site shutdown activities. Topline results are anticipated in the first half
of 2024.
Fast
Track Designation
In
October 2017, the Company received official notice from the FDA that the investigational program for Mino-Lok was granted “Fast
Track” status. Fast Track is a designation that expedites FDA review to facilitate development of drugs which treat a serious or
life-threatening condition and fill an unmet medical need. A drug that receives Fast Track designation is eligible for the following:
● More
frequent meetings with the FDA to discuss the drug’s development plan and ensure collection
of appropriate data needed to support drug approval;
● More
frequent written correspondence from the FDA about the design of the clinical trials;
● Priority
review to shorten the FDA review process for a new drug from ten months to six months; and
● Rolling
review, which means we can submit completed sections of our New Drug Application (“NDA”)
for review by the FDA, rather than waiting until every section of the application is completed
before the entire application can be submitted for review.
Mino-Lok
International Study
In
October 2017, data from an international study on Mino-Lok was presented at the Infectious Disease Conference, (“ID Week”),
in San Diego, California. The 44-patient study was conducted in Brazil, Lebanon and Japan and showed Mino-Lok therapy was an effective
intervention to salvage long-term, infected CVCs in CRBSIs in patients who had cancer with limited vascular access. This study showed
95% effectiveness for Mino-Lok therapy in achieving microbiological eradication of the CVCs as compared to 83% for the control. The single
failure in the Mino-Lok arm was due to a patient with Burkholderia cepacia that was resistant to all antibiotics tested.
Stability
Patent Application for Mino-Lok
In
October 2018, the U.S. Patent and Trademark Office (“USPTO”) issued U.S. Patent No. 10,086,114, entitled “Antimicrobial
Solutions with Enhanced Stability.” On October 9, 2019, the European Patent Office (“EPO”) granted European Patent
No. 3370794, entitled “Antimicrobial Solutions with Enhanced Stability.” The grant of this European patent strengthens the
intellectual property protection for Mino-Lok through November of 2036. This invention overcomes limitations in mixing antimicrobial
solutions in which components have precipitated because of physical and/or chemical factors, thus limiting the stability of the post-mix
solutions. The scientists and technologists at MDACC have been able to improve the stability of the post-mixed solutions through adjustments
of the post-mixed pH of the solution. This may allow for longer storage time of the ready-to-use solution. Citius Pharma holds the exclusive
worldwide license which provides access to this patented technology for development and commercialization of Mino-Lok.
10
Market
Opportunity
In
spite of best clinical practice, catheters contribute to approximately 70% of blood stream infections that occur in the intensive care
unit or are associated with hemodialysis or cancer patients (approximately 470,000 per year). Bacteria enter the catheter either from
the skin or intraluminally through the catheter hub. Once in the catheter, bacteria tend to form a protective biofilm on the interior
surface of the catheter that is resistant to most antimicrobial solutions. The most frequently used maintenance flush, heparin, actually
stimulates biofilm formation. Heparin is widely used as a prophylactic lock solution, in spite of the evidence that it contributes to
the promotion of biofilm formation. The formation of bacterial biofilm usually precedes CRBSIs.
The
standard of care in the management of CRBSI patients consists of removing the infected CVC and replacing it with a new catheter at a
different vascular access site. However, in cancer and hemodialysis patients with long-term surgically implantable silicone catheters,
removal of the CVC and reinsertion of a new one at a different site might be difficult, or even impossible, because of the unavailability
of other accessible vascular sites and the need to maintain infusion therapy. Furthermore, critically ill patients with short-term catheters
often have underlying coagulopathy, which makes reinsertion of a new CVC at a different site, in the setting of CRBSIs, risky in terms
of mechanical complications, such as pneumothorax, misplacement, or arterial puncture. Studies have also revealed that CRBSI patients
may be associated with serious complications, including septic thrombosis, endocarditis and disseminated infection, particularly if caused
by Staphylococcus aureus or Candida species. Furthermore, catheter retention in patients with CRBSIs is associated with
a higher risk of relapse and poor response to antimicrobial therapy.
According
to Maki et al., published in the Mayo Clinic Proceedings in 2006, there are approximately 250,000 CRBSIs annually in the U.S.
Subsequent to this study, our estimates have ranged upwards to over 450,000 CLABSIs annually (see analysis in the table below). CRBSIs
are associated with a 12% to 35% mortality rate and an attributable cost of $35,000 to $56,000 per episode.
We
estimate that the potential market for Mino-Lok in the U.S. to be approximately $500 million to $1 billion as shown in the table below
based on a target price of up to $400 per dose of each salvage flush treatment.
Short-Term
CVC
Long-Term
CVC
Total
No.
of Catheters
3
million
4
million
7
million
Avg.
Duration (Days)
12
100
N/A
Catheter
Days
36
million
400
million
436
million
Infection
Rate
2/1,000
days
1/1,000
days
N/A
Catheters
Infected
72,000
400,000
472,000
Flushes/Catheter
5
7
6.7
Total
Salvage Flushes
360,000
2,800,000
3,160,000
Sources:
Ann Intern Med 2000; 132:391-402, Clev Clin J Med 2011; 78(1):10-17, JAVA 2007; 12(1):17-27, J Inf Nurs 2004;27(4):245-250, Joint Commission
website Monograph, CLABSI and Internal Estimates.
Under
various plausible pricing scenarios, we believe that Mino-Lok would be cost-saving to the healthcare system given that the removal of
an infected CVC and replacement of a new catheter in a different venous access site is estimated by us to cost between $8,000 and $10,000.
Furthermore, there are potential additional medical benefits, a reduction in patient discomfort and avoidance of serious adverse events
with the Mino-Lok approach since the catheter remains in place and is not subject to manipulation. We believe there will be an economic
argument to enhance the adoption of Mino-Lok by infection control committees at acute care institutions.
In
January of 2017, we commissioned a primary market research study with MEDACore, a subsidiary of Leerink, a healthcare focused network
with more than 35,000 healthcare professionals, including key opinion leaders, experienced practitioners and other healthcare professionals
throughout North America, Europe, Asia and other locations around the world. This network includes approximately 55 clinical specialties,
21 basic sciences and 20 business specialties. As part of this market research project, we commissioned a third-party survey of 31 physicians
to qualify the need for catheter salvage in patients with infected, indwelling central venous lines, especially when the catheter is
a tunneled or an implanted port. There were 19 infectious disease experts and 12 intensivists surveyed who all agreed that salvage would
be preferable to catheter exchange to avoid catheter misplacements, blood clots, or vessel punctures that can potentially occur during
reinsertion. Most were also concerned that viable venous access may not be available in patients who were vitally dependent on a central
line.
11
Halo-Lido
Overview
Halo-Lido
is a topical formulation of halobetasol propionate, a corticosteroid, and lidocaine that is intended for the treatment of hemorrhoids.
To our knowledge, there are currently no FDA-approved prescription drug products for the treatment of hemorrhoids. Some physicians are
known to prescribe topical steroids for the treatment of hemorrhoids. In addition, there are various topical combination prescription
products containing halobetasol propionate along with lidocaine or pramoxine, each a topical anesthetic, that are prescribed by physicians
for the treatment of hemorrhoids. These products contain drugs that were in use prior to the start of the Drug Efficacy Study Implementation
(“DESI”) program and are commonly referred to as DESI drugs. However, none of these single-agent or combination prescription
products have been clinically evaluated for safety and efficacy and approved by the FDA for the treatment of hemorrhoids. Further, many
hemorrhoid patients use over the counter (“OTC”) products as their first line therapy. OTC products contain any one of several
active ingredients including glycerin, phenylephrine, pramoxine, white petrolatum, shark liver oil and/or witch hazel, for symptomatic
relief.
Development
of Hemorrhoids Drugs
Hemorrhoids
are a common gastrointestinal disorder, characterized by anal itching, pain, swelling, tenderness, bleeding and difficulty defecating.
In the U.S., hemorrhoids affect nearly 5% of the population, with approximately 10 million persons annually admitting to having symptoms
of hemorrhoidal disease. Of these persons, approximately one third visit a physician for evaluation and treatment of their hemorrhoids.
The data also indicate that for both sexes a peak of prevalence occurs from age 45 to 65 years with a subsequent decrease after age 65
years. Caucasian populations are affected significantly more frequently than African Americans, and increased prevalence rates are associated
with higher socioeconomic status in men but not women. Development of hemorrhoids before age 20 is unusual. In addition, between 50%
and 90% of the general U.S., Canadian and European population will experience hemorrhoidal disease at least once in life. Although hemorrhoids
and other anorectal diseases are not life-threatening, individual patients can suffer from agonizing symptoms which can limit social
activities and have a negative impact on the quality of life.
Hemorrhoids
are defined as internal or external according to their position relative to the dentate line. Classification is important for selecting
the optimal treatment for an individual patient. Accordingly, physicians use the following grading system referred to as the Goligher’s
classification of internal hemorrhoids:
Grade I
Hemorrhoids not prolapsed
but bleeding.
Grade II
Hemorrhoids prolapse and
reduce spontaneously with or without bleeding.
Grade III
Prolapsed hemorrhoids that
require reduction manually.
Grade IV
Prolapsed and cannot be
reduced including both internal and external hemorrhoids that are confluent from skin tag to inner anal canal.
Development
Activities to Date
In
the fall of 2015, we completed dosing patients in a double-blind dose ranging placebo-controlled Phase 2a study where six different formulations
containing hydrocortisone and lidocaine in various strengths were tested against the vehicle control. The objectives of this study were
to: (1) demonstrate the safety and efficacy of the formulations when applied twice daily for two weeks in subjects with Grade I or II
hemorrhoids, and (2) assess the potential contribution of lidocaine hydrochloride and hydrocortisone acetate, alone or in combination
for the treatment of symptoms of Goligher’s Classification Grade I or II hemorrhoids.
12
Symptom
improvement was observed based on a global score of disease severity (“GSDS”) and based on some of the individual signs and
symptoms of hemorrhoids, specifically itching and overall pain and discomfort. Within the first few days of treatment, the combination
products (containing both hydrocortisone and lidocaine) were directionally favorable versus the placebo and their respective individual
active treatment groups (e.g., hydrocortisone or lidocaine alone) in achieving ‘almost symptom free’ or ‘symptom free’
status according to the GSDS scale. These differences suggested the possibility of a benefit for the combination product formulation.
As a result of this study, we determined that the performance of the active arms of the study relative to the vehicle could be improved
by re-formulating our topical preparation. Therefore, we initiated work on vehicle formulation and evaluation of higher potency steroids.
Overall,
results from adverse event reporting support the safety profile of all test articles evaluated in this study and demonstrate similar
safety profiles as compared to the vehicle. The safety findings were unremarkable. There was a low occurrence of adverse events and a
similar rate of treatment related adverse events across all treatment groups. The majority of adverse events were mild and only one was
severe. None of the adverse events were an SAE and the majority of adverse events were recovered/resolved at the end of the study. There
were only two subjects who were discontinued from the study due to adverse events.
As
part of this Phase 2 trial, information was obtained relating to the use of the GSDS as an assessment tool for measuring the effectiveness
of the test articles. Individual signs and symptoms were also assessed but can vary from patient to patient. Therefore, the goal of the
GSDS was to provide an assessment tool that could be used for all patients regardless of which signs and symptoms they are experiencing.
The GSDS proved to be a more effective tool for assessing the severity of the disease and the effectiveness of the drug when compared
to the assessment of the individual signs and symptoms.
We
developed this assessment tool as well as other patient reported outcome endpoints for use in the recently begun Phase 2b trial and in
subsequent trials. In June and July 2016, we engaged the Dominion Group, a leading provider of healthcare and pharmaceutical marketing
research services. The primary market research was conducted to understand the symptoms that are most bothersome to patients better in
order to develop meaningful endpoints for the clinical trials. We also learned about the factors that drive patients to seek medical
attention for hemorrhoids in an effort to understand the disease impact on quality of life. The results of this survey, along with the
information from the Phase 2b trial, allowed us to develop our patient reported outcome evaluation tool, ePro. This tool can be used
in clinical trials to evaluate the patients’ conditions and to assess the performance of the test articles.
In
March 2018, we announced that we had selected a higher potency corticosteroid in our steroid/anesthetic topical formulation program for
the treatment of hemorrhoids. The original topical preparation, which we referred to as Hydro-Lido or CITI-001, which was used in the
Phase 2a study, was a combination of hydrocortisone acetate and lidocaine hydrochloride. The new formulation, CITI-002, which we refer
to as Halo-Lido, combine lidocaine with the higher potency corticosteroid halobetasol propionate for symptomatic relief of the pain and
discomfort of hemorrhoids.
We
held a Type C meeting with the FDA in December 2017 to discuss the results of the Phase 2a study and to obtain the FDA’s view on
development plans to support the potential formulation change for the planned Phase 2b study. We also requested the FDA’s feedback
on our Phase 2b study design, including target patient population, inclusion/exclusion criteria, and efficacy endpoints. The pre-clinical
and clinical development programs for CITI-002 are planned to be similar to those conducted for the development of CITI-001 to support
the design for a planned Phase 3 clinical trial.
13
CITI-002
Phase 2b Trial Overview
Approximately
300 adults with a clinical diagnosis of symptomatic hemorrhoids were enrolled in the Halo-Lido Phase 2b study (NCT05348200), a multi-center,
randomized, dose-ranging, double-blind, parallel group comparison clinical trial, which was initiated in April 2022. The study assessed
a high dose (CITI-002H) and low dose (CITI-002L) formulation of the combination drug products in comparison to the single active drug
monads: high dose halobetasol, low dose halobetasol and lidocaine.
Recently,
there has been a shift from the use of traditional clinical analysis and outcomes to patients’ perspectives and patients’
experiences in assessing treatment efficacy. Following the 21 st Century Cures Act, higher emphasis is placed on using
Patient Reported Outcome (“PRO”) instruments in clinical trials. Currently, for hemorrhoidal disease, there are no
validated clinical outcomes assessment (“COA”) tools available in the US. The FDA directed Citius Pharma to develop a “fit
for purpose” PRO instrument to assess the efficacy of treatments in this disease. Symptom intensity and impact data (Hemorrhoid
Quality of Life Index or “HQLI”) were recorded by patients utilizing a proprietary mobile-enabled PRO instrument developed
by the Company for this study.
Data
collected using the HQLI was analyzed to derive a meaningful change threshold (“MCT”) to test for the change in hemorrhoidal
symptoms considered relevant to the patient during and following treatment.
CITI-002
Phase 2b Trial Results
In
June 2023, we announced positive results from the Phase 2b study of Halo-Lido for the treatment of hemorrhoids. Treatment effect on hemorrhoidal
symptoms was analyzed using the MCT. At the end of the seven-day treatment period, 42% of the patients in the high dose CITI-002 (CITI-002H)
group reached MCT compared to patients treated with high dose halobetasol alone (29%) or patients treated with lidocaine alone (21%).
Moreover, proportionally more patients in the CITI-002H cohort reported meaningful and statistically significant improvement as compared
to patients treated with lidocaine alone ( CMH test, p = 0.035 ).
We
additionally assessed clinical treatment efficacy outcomes during seven-day treatment and seven-day follow-up periods using an analysis
of covariance, which analyzed changes from baseline. Substantial improvements were seen across all active treatment groups. Although
no statistical significance was determined in the changes between the comparison groups, directionally the data signaled that the combination
products provided faster relief compared to individual monads, and the relief persisted after completing treatment.
In
addition, results from the study indicated that there were no material clinical safety concerns across the five active treatment groups
during the seven-day treatment or follow-up periods. There were no serious adverse events reported.
Data
from the Phase 2b trial confirmed that the HQLI is appropriate to measure patient-reported changes in hemorrhoidal symptoms. Consequently,
Citius Pharma believes the instrument can be used in future Phase 3 trial development. Citius Pharma is actively pursuing intellectual
property protections for its groundbreaking work in developing the fit for purpose PRO instrument and has filed patent applications on
its CITI-002 formulations.
Based
on the positive clinical results utilizing the Meaningful Change Threshold analysis, Citius Pharma plans to present this data at the
end of Phase 2 meeting with the FDA.
14
Market
Opportunity
The
current market for OTC and topical prescription (“Rx”) products for the symptomatic treatment of hemorrhoids is highly fragmented
and includes approximately 20 million units of OTC and over 4 million prescriptions. None of the Rx products have received FDA approval
and are only available due to the DESI program, which started decades ago after enactment of the 1962 Kefauver-Harris Drug Amendments.
These DESI products have no FDA reviewed evidence of efficacy or safety and may be subject to withdrawal if an approved product were
to be introduced. Several topical combination prescription products for the treatment of hemorrhoids are available containing hydrocortisone
in strengths ranging from 0.5% to 3.0%, combined with lidocaine in strengths ranging from 1.0% to 3.0%. The various topical formulations
include creams, ointments, gels, lotions, enemas, pads, and suppositories. The most commonly prescribed topical combination gel is sold
as a branded generic product and contains 2.5% hydrocortisone and 3.0% lidocaine.
We
believe there are currently no FDA-approved prescription drug products for the treatment of hemorrhoids. Although there are numerous
Rx and OTC products commonly used to treat hemorrhoids, none possess proven safety and efficacy data generated from rigorously conducted
clinical trials. We believe that a novel topical formulation of halobetasol propionate and lidocaine designed to provide anti-inflammatory
and anesthetic relief and which has an FDA-approved label specifically claiming the treatment of hemorrhoids will become an important
treatment option for physicians who want to provide their patients with a therapy that has demonstrated safety and efficacy in treating
this uncomfortable and often recurring disease. We believe that our Halo-Lido product represents an attractive, low-risk product opportunity
with meaningful upside potential.
Market
Exclusivity
We
believe that we will be the first company to conduct rigorous clinical trials and receive FDA approval of a topical corticosteroid-lidocaine
combination product for the treatment of hemorrhoids. If we receive FDA approval, we will qualify for three years of market exclusivity
for our dosage strength and formulation. In addition, we will also be the only product on the market specifically proven to be safe and
effective for the treatment of hemorrhoids. Generally, if a company conducts clinical trials and receives FDA approval of a product for
which there are similar, but non FDA-approved, prescription products on the market, the manufacturers of the unapproved but marketed
products are required to withdraw them from the market. However, the FDA has significant latitude in determining how to enforce its regulatory
powers in these circumstances. We have not had any communication with the FDA regarding this matter and cannot predict what action, if
any, the FDA will take with respect to the unapproved products.
We
believe that should Halo-Lido demonstrate, proven safety and efficacy data and receive FDA approval, and if Halo-Lido obtains three years
of market exclusivity based on our dosage strength and formulation, we are likely to have a meaningful advantage in our pursuit of achieving
a significant position in the market for topical combination prescription products for the treatment of hemorrhoids.
Mino-Wrap
Overview
On
January 2, 2019, we entered into a patent and technology license agreement with the Board of Regents of the University of Texas System
on behalf of MDACC, whereby we in-licensed exclusive worldwide rights to the patented technology for any and all uses relating to breast
implants, specifically the Mino-Wrap technology. This includes rights to U.S. Patent No. 9,849,217, which was issued on December 16,
2017. We intend to develop Mino-Wrap as a liquefying, gel-based wrap containing minocycline and rifampin for the reduction of infections
associated with breast implants following breast reconstructive surgeries. We are required to use commercially reasonable efforts to
commercialize Mino-Wrap under several regulatory scenarios and achieve milestones associated with these regulatory options leading to
an approval from the FDA. Mino-Wrap will require pre-clinical development prior to any regulatory pathway. In July 2019, we announced
that we intend to pursue the FDA’s IND regulatory pathway for the development of Mino-Wrap. On August 4, 2020, we announced that
we had submitted a briefing package to the FDA for a pre-IND consultation on Mino-Wrap.
15
In
December 2020, the Company announced the receipt of a written response and guidance from the FDA Division of Anti-Infective Products
to the Company’s Pre-IND consultation request for its Mino-Wrap briefing package. The briefing package contained information regarding
pre-clinical data and a clinical development plan, along with questions for the FDA regarding safety and efficacy data that would be
required to advance Mino-Wrap into clinical trials. The FDA granted a Written Response Only meeting regarding guidance and direction
on our Mino-Wrap development plan. The FDA indicated that bio absorption simulation studies may provide information to support the development
of Mino-Wrap and made suggestions on what should be provided relative to non-clinical support. The FDA provided guidance on the
design of the drug elution studies and agreed that a large animal pharmacology study would be appropriate. They also agreed that
a 28-day toxicology study appears appropriate and that microbiology support through existing data is acceptable.
On December 11, 2023, the Company terminated the Mino-Wrap license
agreement with the Board of Regents of the University of Texas System on behalf of MDACC.
Market
Opportunity
Breast
cancer is the most frequent cancer in women worldwide, representing 25% of all cancer diagnoses with the exception of non-melanoma skin
cancer. In the U.S., the overall rate of mastectomies, combining single and double mastectomies, increased 36% from 2005 to 2013. Additionally,
the incidence of post-mastectomy breast reconstruction, following breast cancer treatment, has been increasing on an annual basis.
In
2017, the American Society of Plastic Surgeons reported that over 105,000 women in the U.S. underwent a post-mastectomy breast reconstructive
procedure. Approximately 30% of these breast reconstructions occur simultaneously with mastectomy, with most reconstructions occurring
weeks later.
The
current standard of care in post-mastectomy breast reconstruction is the use of a Tissue Expander (“TE”), which is a temporary
implant that is placed below the pectoralis muscle within the mastectomy space. Once a sufficiently large soft tissue envelope has been
created, the TE is then replaced by a permanent breast implant. Approximately 80% of the time, a TE is used in breast reconstructions.
The
rate of infection following a mastectomy with a TE is 2.4 to 24% with an estimated mean of 12-14%. Once the implant becomes infected,
the patient is usually hospitalized requiring approximate two weeks of IV and/or oral antimicrobials. In addition, the TE is removed,
leading to a delay of lifesaving chemo-radiation therapy, and a more complex reconstruction in the future.
Currently,
preventive measures are used to decrease the rate of TE infections, which include a systemic perioperative antimicrobial agent with the
perioperative immersion of the implant or irrigation of the surgical pocket with an antimicrobial solution prior to insertion of the
device. This is also administered with immediate postoperative oral antimicrobials.
Based
on the in vitro preclinical laboratory work, Mino-Wrap appears to have the characteristics necessary for advancement in the protection
of human implants from subsequent infection.
NoveCite
Overview
In
October 2020, we, through our subsidiary, NoveCite, signed an exclusive agreement with Novellus Therapeutics Limited (“Novellus”)
to license iPSC-derived mesenchymal stem cells (iMSCs). Under this worldwide exclusive license, we are focused on developing cellular
therapies. Specifically, we are seeking to develop and commercialize the NoveCite mesenchymal stem cells (“NC- i MSCs”)
to treat acute respiratory conditions with a near term focus on ARDS.
16
NC- i MSCs
are the next generation mesenchymal stem cell therapy. We believe them to be differentiated and superior to donor-derived MSCs. Human
donor-derived MSCs are sourced from human bone marrow, adipose tissue, placenta, umbilical tissue, etc. and have significant challenges
(e.g., variable donor and tissue sources, limited supply, low potency, inefficient and expensive manufacturing). NC-iMSCs overcome these
challenges because they:
●
Are more
potent and secrete exponentially higher levels of immunomodulatory proteins;
●
Have practically unlimited
supply for high doses and repeat doses;
●
Are from a single donor
and clonal so they are economically produced at scale with consistent quality and potency, as well as being footprint free (compared
to viral reprogramming methods); and
●
Have a significantly higher
expansion capability.
Several
cell therapy companies using donor-derived MSC therapies in treating ARDS have demonstrated that MSCs reduce inflammation, enhance clearance
of pathogens and stimulate tissue repair in the lungs. Almost all these positive results are from early clinical trials or under the
FDA’s emergency authorization program.
In
December 2020, the Company announced interim data from a proof-of-concept (“POC”) large animal study of its proprietary NC-iMSC
therapy. The available results of NC-iMSC therapy in the study show improvement in critical parameters, such as improved oxygenation,
less systemic shock, and reduced lung injury, compared to the control group. The study was conducted in a widely accepted large animal
model.
In
the third quarter of 2021, the Company completed the characterization and expansion of its NC-iMSC accession cell bank (ACB) at Waisman
Biomanufacturing at the University of Wisconsin-Madison to create a cGMP master cell bank (MCB).
In
July 2021, Novellus was acquired by Brooklyn ImmunoTherapeutics, Inc. (“Brooklyn”). Pursuant to this transaction, the NoveCite
license was assumed by Brooklyn with all of the original terms and conditions in the exclusive license agreement.
In
October 2022, Brooklyn changed its name to Eterna Therapeutics Inc.
Market
Opportunity
Globally,
there are 3 million cases of ARDS every year, out of which approximately 200,000 cases are in the U.S. The COVID-19 outbreak has added
significantly to the number of ARDS cases. Once COVID-19 patients advance to ARDS, they are put on mechanical ventilators. Death rate
among patients on ventilators can be as high as 50% depending on associated co-morbidities. There are no approved treatments for ARDS,
and the current standard of care only attempts to provide symptomatic relief.
Sales
and Marketing
We
are primarily focused on identifying opportunities within the critical care and cancer care market segments. In our product acquisition
criteria, we concentrate on markets that are highly influenced by key opinion leaders, commonly referred to as KOLs, and in which products
are prescribed by a relatively small number of physicians, yet provide opportunities for growth and market share. This strategy allows
for a manageable commercialization effort for our Company in terms of resources and capital. We also seek to provide cost-effective therapies
that would be endorsed by payers, patients, and providers. We believe that we will be able to commercialize products within the scope
of these criteria ourselves, and that we can create marketing synergies by having a common narrow audience for our marketing efforts
(“several products in the bag for the same customer”).
For
our product candidates that fall out of the narrow scope criteria, we have identified pharmaceutical companies with large sales forces,
experienced sales and marketing management teams, direct-to-consumer capabilities, significantly larger resources than ours, and non-competing
product portfolios that we believe would make excellent sales and marketing partners. We intend to license our mass audience, non-specialty
product candidates to such companies for sales and marketing.
LYMPHIR
Sales and Marketing
Citius
Oncology does not currently have its own commercial infrastructure and is in the early stages of developing its sales or marketing capability
by contracting with a large third-party commercial sales and marketing organization with an existing commercial infrastructure and product
launch experience to assist in its commercial efforts. Citius Oncology intends to utilize a dedicated field force combined with various
marketing programs which will be tailored to both physicians and patients to launch LYMPHIR and grow its market share. We, through Citius
Oncology, plan to focus our commercial efforts on a concentrated group of prescribing hematologists, oncologists and dermatologist-oncologists,
along with key opinion leaders and advocacy groups who play an important role in the CTCL treatment regimen. Our strategy includes seeking
inclusion in the National Comprehensive Cancer Network (“NCCN”) guidelines and compendia as well as obtaining coverage and
reimbursement from the Centers for Medicare and Medicaid Services.
17
Intellectual
Property
We
rely on a combination of patent, trade secret, copyright, and trademark laws, as well as confidentiality, licensing and other agreements,
to establish and protect our proprietary rights. Our policy is to actively seek to obtain, where appropriate, the broadest intellectual
property protection possible for our current product candidates and any future product candidates both in the U.S. and abroad. However,
patent protection may not provide us with complete protection against competitors who seek to circumvent our patents. To help protect
our proprietary know-how that is not patentable, and for inventions for which patents may be difficult to enforce, we currently rely
and will in the future rely on trade secret protection and confidentiality agreements to protect our interests.
LYMPHIR
Intellectual Property
On
September 3, 2021, we acquired the exclusive license of E7777 (denileukin diftitox), a late-stage oncology immunotherapy for the treatment
of CTCL from Eisai, who acquired it previously from Dr. Reddy’s. We refer to the agent as LYMPHIR. The exclusive license, which
was amended as part of the transaction, is with Eisai and includes rights to develop and commercialize LYMPHIR in all markets except
for Japan and certain parts of Asia. The license includes an option on the right to develop and market the product in India. In April
2022, Citius Pharma assigned the license agreement to Citius Oncology, at which time Citius Oncology began operations.
Under
the license agreement, Eisai is to receive a $6 million development milestone payment upon initial approval by the FDA of LYMPHIR for
the CTCL indication (which increase to $7 million in the event Citius Oncology exercises the option to add India to the licensed territory)
and an aggregate of up to $22 million related to the achievement of net product sales thresholds. Pursuant to the terms of the license
agreement, Citius Pharma reimbursed Eisai for approximately $2.65 million of Eisai’s costs to complete the ongoing Phase 3 pivotal
clinical trial for LYMPHIR for the CTCL indication and for all reasonable costs associated with the preparation of a BLA for LYMPHIR.
Pursuant
to the terms of the license agreement, Eisai was responsible for completing the current CTCL clinical trial, and chemistry, manufacturing
and controls development activities through the production of the BLA, which we filed with the FDA in September 2022, while we are responsible
for the costs of correcting any major deficiencies in the BLA as well as the costs of any further studies and development costs associated
with potential additional indications.
The
term of the license agreement will continue until (i) March 30, 2026, if there has not been a commercial sale of a licensed product in
the territory, or (ii) if there has been a first commercial sale of a licensed product in the territory by March 30, 2026, the 10-year
anniversary of the first commercial sale on a country-by-country basis. The term of the license may be extended for additional 10-year
periods for all countries in the territory by notifying Eisai and paying an extension fee equal to $10 million. Either party may terminate
the license agreement upon written notice if the other party is in material breach of the agreement, subject to cure within the designated
time periods. Either party also may terminate the license agreement immediately upon written notice if the other party files for bankruptcy
or takes related actions or is unable to pay its debts as they become due. Additionally, either party will have the right to terminate
the agreement if the other party directly or indirectly challenges the patentability, enforceability, or validity of any licensed patent.
We,
through our subsidiary, are responsible for preparing, filing, prosecuting, and maintaining all patent applications and patents included
in the licensed patents that we intend to pursue within the territory.
Under
the terms of the agreement with Dr. Reddy’s, we, through our subsidiary, are obligated to pay up to an aggregate of $40 million
related to CTCL approvals in the U.S. and other markets, up to $70 million in development milestones for additional indications, and
up to $300 million for commercial sales milestones. We, through our subsidiary, will also be obligated to pay on a fiscal quarter basis
tiered royalties equal to low double-digit percentages of net product sales. The royalties will end on the earlier of (i) the 15-year
anniversary of the first commercial sale of the latest indication that received regulatory approval in the applicable country and (ii)
the date on which a biosimilar product results in the reduction of net sales in the applicable product by 50% in two consecutive quarters,
as compared to the four quarters prior to the first commercial sale of the biosimilar product. We, through our subsidiary, will also
pay to Dr. Reddy’s an amount equal to a low-thirties percentage of any sublicense upfront consideration or milestone payments (or
the like) received by Citius Oncology and the greater of (i) a low-thirties percentage of any sublicensee sales-based royalties or (ii)
a mid-single digit percentage of such licensee’s net sales.
18
Also
under the agreement with Dr. Reddy’s, we, through our subsidiary, are required to (i) use commercially reasonable efforts to make
commercially available products in the CTCL indication, peripheral T-cell lymphoma indication and immuno-oncology indication, (ii) initiate
two investigator initiated immuno-oncology trials, (iii) use commercially reasonable efforts to achieve each of the approval milestones,
and (iv) complete each specified immuno-oncology investigator trial on or before the four-year anniversary of the effective date of the
definitive agreement. Additionally, we are required to commercially launch a product in a territory within six months of receiving regulatory
approval for such product in each such jurisdiction.
Patents
As
part of the definitive agreement with Dr. Reddy’s, the Citius Pharma acquired, and later transferred to Citius Oncology, method
of use patents in which E7777 is administered in combination with the programmed cell death protein 1 (“PD-1”) pathway inhibitor
drug class. PD-1 plays a vital role in inhibiting immune responses and promoting self-tolerance through modulating the activity of T-cells,
activating apoptosis of antigen-specific T cells and inhibiting apoptosis of regulatory T cells.
The
following patents were acquired:
US
Provisional Application No. 63/070,645, which was filed on August 26, 2020, and subsequently published as US 2022/0062390 A1 on March
3, 2022, entitled Methods of Treating Cancer.
International
Patent Application Number: PCT/IB2021/0576733, which was filed with the World Intellectual Property Organization on August 23, 2021,
and subsequently published as WO 2022/043863 A1 on March 3, 2022, entitled, Combination for Use in Methods of Treating Cancer.
Mino-Lok
Intellectual Property
In
May 2014, our subsidiary LMB entered into a patent and technology license agreement with Novel Anti-Infective Therapeutics, Inc. (“NAT”),
who licensed the intellectual property from MDACC, to develop and commercialize Mino-Lok on an exclusive, worldwide (except for South
America), sub-licensable basis. LMB incurred a one-time license fee in May 2014. On March 20, 2017, LMB entered into an amendment to
the license agreement that expanded the licensed territory to include South America, providing LMB with worldwide rights. We are obligated
to pay annual maintenance fees that increase annually until reaching a designated amount, which we must pay until the first sale of product.
We also must pay up to an aggregate of approximately $1.1 million in milestone payments, depending on the achievement of various regulatory
and commercial milestones. Under the terms of the license agreement, we also must pay a royalty equal to mid-single digit percentages
to low-double digit percentages of net sales, depending on the level of sales in that year, and subject to downward adjustment to lower-
to mid-single digit percentages in the event there is no valid patent for the product in the country of sale at the time of sale. After
the first sale of product, we will owe an annual minimum royalty payment that will increase annually until reaching a designated amount,
which we must pay for the duration of the term. We will be responsible for all patent expenses for the term of the agreement although
MDACC is responsible for filing, prosecution and maintenance of all patents.
Unless
earlier terminated by NAT based on the failure to achieve certain development or commercial milestones, the license agreement remains
in effect until the date that all patents licensed under the agreement have expired and all patent applications within the licensed patent
rights have been cancelled, withdrawn or expressly abandoned. The license agreement will terminate in the event we breach any of our
payment or reporting obligations or NAT breaches any of its obligations under the agreement. NAT will have the right to terminate the
agreement if we bring or participate in an action to challenge NAT’s ownership of any of the licensed patent rights. We may terminate
the license agreement upon 180 days’ notice. The license agreement may also be terminated upon our and NAT’s mutual consent.
19
Mino-Lok
is covered in relation to the composition by issued U.S. patent No. 7,601,731, entitled “Antimicrobial Flush Solutions,”
which was issued on October 13, 2009. Mino-Lok is further covered in relation to its method of use by issued U.S. Patent No. 9,078,441,
which was issued on July 14, 2015. The patents provide intellectual property protection until June 7, 2024. There are corresponding patents
granted in Europe and Canada (European Patent No. EP 1644024, and Canadian Patent No. 2528522).
Stability
Patent Application for Mino-Lok
In
October 2018, the USPTO issued U.S. Patent No. 10,086,114 (the “114 patent”), entitled “Antimicrobial Solutions with
Enhanced Stability.” On October 9, 2019, the European Patent Office (“EPO”) granted European Patent No. 3370794, which
corresponds to the ’114 patent. The grant of these patents strengthens the intellectual property protection for Mino-Lok through
November 2036. While the original patents for Mino-Lok (discussed above) cover the basic composition, this invention overcomes limitations
in mixing antimicrobial solutions in which components have precipitated because of physical and/or chemical factors, thus limiting the
stability of the post-mix solutions. The scientists and technologists at MDACC have been able to improve the stability of the post-mixed
solutions through adjustments of the post-mixed pH of the solution. This may allow for longer storage time of the ready-to-use solution.
As such, the patents claiming the enhanced stability may effectively extend patent protection for Mino-Lok beyond the 2024 expiration
of the original patents since it is expected that the compositions providing enhanced stability would be preferred over any non-stabilized
versions that a competitor may introduce after June 7, 2024. Citius Pharma holds the exclusive worldwide license which provides access
to this patented technology for development and commercialization of Mino-Lok.
Mino-Lok
has received a Qualified Infectious Disease Product (“QIDP”) designation. The QIDP designation provides New Drug Applications
an additional five years of market exclusivity, which together with the potential three years of exclusivity for the new strength and
formulation of Mino-Lok, would result in a combined total of eight years of market exclusivity regardless of patent protection.
Halo-Lido
Intellectual Property
We
are developing Halo-Lido to have a unique combination of excipients as well as unique concentrations of the active ingredients. The goal
is to have a product that is optimized for stability and activity. Once the formulation development is completed and data is obtained,
we intend to apply for a patent on this new topical formulation.
We
seek to achieve approval for Halo-Lido by utilizing the FDA’s 505(b)(2) pathway. This pathway allows an applicant to file an NDA
that contains full reports of investigations of safety and effectiveness, but where at least some of the information required for approval
comes from prior studies not conducted by or for the applicant and for which the applicant has not obtained a right of reference to such
prior third-party studies. This pathway would provide three years of market exclusivity.
Mino-Wrap
Intellectual Property
In
January 2019, we entered into a patent and technology license agreement with MDACC to develop and commercialize Mino-Wrap on an exclusive
worldwide basis, with no rights to sub-license. We paid a one-time upfront licensing fee upon execution of the agreement. Under the agreement,
we are required to use commercially reasonable efforts to commercialize Mino-Wrap under several regulatory scenarios and achieve milestones
that are associated with these regulatory options leading to an approval from the FDA. We are obligated to pay annual maintenance fees
that increase annually until reaching a designated amount, which we must pay until the first sale of product. We also must pay up to
an aggregate of $2.1 million in milestone payments, depending on the achievement of various regulatory and commercial milestones. Under
the terms of the license agreement, we also must pay a royalty equal to mid- to upper-single digit percentages of net sales, depending
on the level of sales in that year, and subject to downward adjustment to lower- to mid-single digit percentages in the event there is
no valid patent for the product in the U.S. at the time of sale. After the first sale of product, we will owe an annual minimum royalty
payment that will increase annually for the duration of the term. We will be responsible for all patent expenses incurred by MDACC for
the term of the agreement although MDACC is responsible for filing, prosecution and maintenance of all patents.
20
The
term of the license agreement will end on the later of the expiration of all licensed patents, or the fifteenth anniversary of the agreement.
MDACC may terminate the license agreement at any time after four years in any country if we have not commercialized or are not actively
attempting to commercialize a product in such country. The license agreement will terminate in the event we breach any of our payment
or reporting obligations or MDACC breaches any of its obligations under the agreement. MDACC will have the right to terminate the agreement
if we bring or participate in an action to challenge MDACC’s ownership of any of the licensed patent rights. We may terminate the
license agreement upon 180 days’ notice. The license agreement may also be terminated upon our and MDACC’s mutual consent.
In
December 2017, the USPTO issued U.S. Patent No. 9,849,217, entitled “Antimicrobial Wraps for Medical Implants.” This invention
overcomes limitations in breast reconstruction utilizing tissue expanders and implants following mastectomies by providing, in certain
aspects, biodegradable antimicrobial film that may be wrapped around a medical implant such as a breast implant prior to the insertion
into a subject such as a human patient. The scientists and technologists at MDACC have developed a biodegradable covering for a medical
implant comprising a highly plasticized gelatin and at least one drug to reduce infection.
On
November 18, 2021, MDACC filed a provisional patent application entitled “Antimicrobial Wraps for Medical Implants” in which
the manufacturing process of the wrap now incorporates a freeze-drying process to prevent degradation of the active drug.
Citius
Pharma holds the exclusive worldwide license, which provides access to this patented technology for development and commercialization
of Mino-Wrap.
NoveCite
Intellectual Property
In
October 2020, we, through our subsidiary NoveCite, Inc., entered into a license agreement with Novellus Therapeutics Limited (“Licensor”),
whereby NoveCite acquired an exclusive, worldwide license, with the right to sublicense, to develop and commercialize a stem cell therapy
based on the Licensor’s patented technology for the treatment of acute pneumonitis of any etiology in which inflammation is a major
agent in humans. The patented technology consists of mesenchymal stem cells (“MSCs”) derived from an induced pluripotent
stem cell line that is made by Licensor using the mRNA cell reprogramming methods in the patents covering the licensed technology.
Upon
execution of the license agreement, NoveCite paid an upfront payment of $5,000,000 and issued to Licensor shares of NoveCite’s
common stock representing 25% of NoveCite’s currently outstanding equity. We own the other 75% of NoveCite’s currently outstanding
equity.
NoveCite
is obligated to pay Licensor up to an aggregate of $51,000,000 in milestone payments upon the achievement of various regulatory and developmental
milestones. NoveCite also must pay on a fiscal quarter basis a royalty equal to low double-digit percentages of net sales, commencing
upon the first commercial sale of a licensed product. This royalty is subject to downward adjustment on a product-by-product and country-by-country
basis to an upper-single digit percentage of net sales in any country in the event of the expiration of the last valid patent claim or
if no valid patent claim exists in that country. The royalty will end on the earlier of (i) the date on which a biosimilar product is
first marketed, sold, or distributed by Licensor or any third party in the applicable country or (ii) the 10-year anniversary of the
date of expiration of the last-to-expire valid patent claim in that country. In the case of a country where no licensed patent ever exists,
the royalty will end on the later of (i) the date of expiry of such licensed product’s regulatory exclusivity and (ii) the 10-year
anniversary of the date of the first commercial sale of the licensed product in the applicable country. In addition, NoveCite will pay
to Licensor an amount equal to a mid-twenties percentage of any sublicensee fees it receives.
During
the term of the license agreement, NoveCite is required to use commercially reasonable efforts to make commercially available at least
one product in at least two markets: the U.S. and either the United Kingdom, France, Germany, China or Japan. Additionally, NoveCite
shall (i) on or before the five-year anniversary of the date of the license agreement, file an IND for a licensed product in the field
of acute pneumonitis treatment and (ii) receive regulatory approval for a licensed product in the field of acute pneumonitis treatment
in the U.S. or in a major market country on or before the ten-year anniversary of the date of the license agreement.
21
Pursuant
to the terms of the license agreement, NoveCite has been granted a right of first negotiation to exclusively license the rights to any
new products developed or acquired by Licensor which cannot include MSC’s, that may be used within the field of acute pneumonitis
treatment. After receiving notice from the Licensor of the new product opportunity, NoveCite has 30 days to notify Licensor of its desire
to negotiate a license agreement for the new product. If such notice is given by NoveCite, the parties shall then have a period of 150
days from the date of Licensor’s notice to NoveCite to negotiate, exclusively and in good faith, the terms and conditions for the
new product license agreement.
The
term of the license agreement will continue on a country-by-country and licensed product-by-licensed product basis until the expiration
of the last-to-expire royalty term for any and all licensed products unless earlier terminated in accordance with its terms. Either party
may terminate the license agreement upon written notice if the other party is in material default or breach of the agreement, subject
to cure within the designated time periods. Either party also may terminate the license agreement if the other party files for bankruptcy
or takes related actions or is unable to pay its debts as they become due, subject to cure within the designated time period. Additionally,
Licensor will have the right to terminate the agreement if NoveCite directly or indirectly challenges the patentability, enforceability
or validity of any licensed patent. NoveCite may terminate the license agreement at any time without cause upon 90 days prior written
notice.
Licensor
will be responsible for preparing, filing, prosecuting and maintaining all patent applications and patents included in the licensed patents
in the territory. Provided however, that if Licensor decides that it is not interested in maintaining a particular licensed patent or
in preparing, filing, or prosecuting a licensed patent, it will promptly advise NoveCite in writing and NoveCite will have the right,
but not the obligation, to assume such responsibilities in the territory at NoveCite’s sole cost and expense.
During
the term of the license agreement, Licensor is prohibited from commercializing or exploiting (directly or indirectly) any product that
includes mesenchymal stem cells for any purpose in acute pneumonitis treatment (subject to certain sponsored research exceptions), or
exploiting (directly or indirectly) or enabling a third party to exploit, for any purpose in acute pneumonitis treatment or otherwise,
the original licensed cell banks line or any GMP-grade cell banks of a cell line derived therefrom and that can be used as starting material
for the manufacture of products derived from the licensed technology. During the term of the license agreement, each party is prohibited
from soliciting any employee of the other party, subject to certain exceptions.
In
July 2021, Novellus was acquired by Brooklyn. Pursuant to this transaction, the NoveCite license was assumed by Brooklyn with all of
its original terms and conditions. In October 2021, Brooklyn changed its name to Eterna Therapeutics Inc.
Competition
We
operate in a highly competitive and regulated industry which is subject to change. We face significant competition from organizations
that are pursuing drugs that would compete with the drug candidates that we are developing and the same or similar products that target
the same conditions we intend to treat. Due to our limited resources, we may not be able to compete successfully against these organizations,
which include many large, well-financed and experienced pharmaceutical and biotechnology companies, as well as academic and research
institutions and government agencies.
LYMPHIR
Competition
There
are currently several approved targeted therapeutics for patients with persistent or recurrent CTCL. However, there are limitations to
these targeted therapies, which often are discontinued due to toxicity, adverse events, or a limited duration of response due to resistance
over time. Consequently, we believe there continues to be an unmet medical need for patients with CTCL and an opportunity for LYMPHIR
to be included among the treatment armamentarium for advanced-stage CTCL.
The
following products are approved for the systemic treatment of advanced CTCL:
●
Mogamulizumab, sold under
the brand name Poteligeo, is a humanized, afucosylated monoclonal antibody targeting CC chemokine receptor 4. The FDA approved it
for treatment of relapsed or refractory mycosis fungoides and Sézary disease.
●
Brentuximab vedotin, sold
under the brand name Adcetris, is an antibody-drug conjugate medication used to treat relapsed or refractory Hodgkin lymphoma and
systemic anaplastic large cell lymphoma, a type of T-cell non-Hodgkin lymphoma. It selectively targets tumor cells expressing the
CD30 antigen, a defining marker of Hodgkin lymphoma and ALC.
●
Romidepsin sold under the
brand name Istodax, is a histone deacetylase (“HDAC”) inhibitor indicated for the treatment of CTCL in adult patients
who have received at least one prior systemic therapy.
●
Vorinostat sold under the
brand name Zolinza, is a HDAC inhibitor indicated for the treatment of cutaneous manifestations in patients with CTCL who have progressive,
persistent or recurrent disease on or following two systemic therapies.
22
Mino-Lok
Competition
Currently,
the only alternative to Mino-Lok in the treatment of infected CVCs in CRBSI/CLABSI patients of which we are aware, is the standard of
care of removing the culprit CVC and replacing a new CVC at a different vascular site. The Company is not aware of any INDs for a salvage
antibiotic lock solution and does not expect any to be forthcoming due to the difficulty of meeting the necessary criteria to be effective
and practical.
At
this time, there are no pharmacologic agents approved in the U.S. for the prevention or treatment of CRBSIs or CLABSIs in central venous
catheters. The Company is aware that there are several agents in development for prevention but none for salvage. The most prominent
of these appear to be Defencath from CorMedix Inc. and B-Lock from Great Lakes Pharmaceuticals, Inc. (“GLP”). Neither of
these lock solutions have been shown to be effective in salvaging catheters in bacteremic patients as Mino-Lok is intended to do, and
Citius Pharma does not expect that either would be pursued for this indication.
Defencath TM
(CorMedix Inc.)
Defencath
is a formulation of Taurolidine 1.35%, Citrate 3.5%, and Heparin 1000 units/mL. Neutrolin is an anti-microbial catheter lock solution
being developed by CorMedix to prevent CRBSIs and to prevent clotting. In January 2015, the FDA granted Fast Track and QIDP designations
for Defencath. In December 2015, CorMedix initiated its Phase 3 clinical trial in hemodialysis patients in the U.S. On June 20, 2018,
CorMedix announced that it had completed its review and source-verification of the data required for the interim analysis of the Phase
3 LOCK-IT-100 study for Neutrolin. The data was then locked and transferred to the independent biostatistician for un-blinding and analysis,
who then provided the results to the Data and Safety Monitoring Board (“DSMB”) for its review.
On
July 25, 2018, CorMedix announced that the DSMB had completed its review of the interim analysis of the data from the currently ongoing
Phase 3 LOCK-IT-100 study for Neutrolin. Because the pre-specified level of statistical significance was reached and efficacy had been
demonstrated, the DSMB recommended the study be terminated early. No safety concerns were reported by the DSMB based on the interim analysis.
CorMedix
submitted its NDA for Defencath to the FDA, which accepted the NDA in August 2020. The FDA set a target review date of February 28, 2021.
In March 2021, CorMedix reported that the FDA, in its Complete Response Letter (“CRL”), informed CorMedix that the FDA could
not approve the NDA for DefenCath in its present form. The FDA noted concerns at the third-party manufacturing facility after a review
of records requested by the FDA and provided by the contract manufacturer (“CMO”). Additionally, the FDA is requiring a manual
extraction study to demonstrate that the labeled volume can be consistently withdrawn from the vials despite an existing in-process control
to demonstrate fill volume within specifications. In April 2021, CorMedix and the CMO met with the FDA to discuss proposed resolutions
for the deficiencies identified in the CRL and the Post-Application Action Letter (“PAAL”) received by the CMO from the FDA
for the NDA for DefenCath. There was an agreed upon protocol for the manual extraction study identified in the CRL, which has been successfully
completed. Addressing the FDA’s concerns regarding the qualification of the filling operation necessitated adjustments in the process
and generation of additional data on operating parameters for the manufacture of DefenCath. CorMedix and the CMO determined that additional
process qualification is needed with subsequent validation to address these issues. The FDA stated that the review timeline would be
determined when the NDA resubmission is received and that it expected all corrections to facility deficiencies to be complete at the
time of resubmission so that all corrective actions may be verified during an onsite evaluation of the manufacturing facility in the
next review cycle, if the FDA determines it will do an onsite evaluation.
23
On
February 28, 2022, CorMedix resubmitted the NDA for DefenCath to address the CRL issued by the FDA. In parallel, CorMedix’s third-party
manufacturer submitted responses to the deficiencies identified at the manufacturing facility in the PAAL issued by the FDA concurrently
with the CRL. On March 28, 2022, CorMedix announced that the resubmission of the NDA for DefenCath had been accepted for filing by the
FDA. The FDA considers the resubmission as a complete, Class 2 response with a six-month review cycle. The CMO has notified us that an
onsite inspection by the FDA was conducted that resulted in FORM FDA 483 observations that are being addressed. The CMO submitted responses
to the inspectional observations along with a corrective action plan and requested a meeting with the FDA to discuss. CorMedix also has
been notified by its supplier of heparin, an active pharmaceutical ingredient (“API”) for DefenCath, that an inspection by
the FDA for an unrelated API has resulted in a Warning Letter due to deviations from good manufacturing practices for the unrelated API.
On
August 8, 2022, CorMedix announced receipt of a second CRL from the FDA regarding our DefenCath NDA. The FDA stated that the DefenCath
NDA cannot be approved until deficiencies conveyed to the CMO and the heparin API supplier are resolved to the satisfaction of the FDA.
There were no other requirements identified by the FDA for CorMedix prior to resubmission of the NDA. As part of the NDA review process,
the FDA also notified CorMedix that although the tradename DefenCath was conditionally approved, the FDA now has identified potential
confusion with another pending product name that is also under review. The ultimate acceptability of the proposed tradename is dependent
upon which application is approved first. As a precaution, CorMedix has submitted an alternative proprietary name to the FDA which will
undergo review.
CorMedix
also announced that it had finalized an agreement with Alcami Corporation (“Alcami”), a U.S. based contract manufacturer
with proven capabilities for manufacturing commercial sterile parenteral drug products. Alcami will function as a manufacturing site
for DefenCath for the U.S. market, and CorMedix expects to be able to submit a supplement to its NDA application around the end of the
first quarter of 2023 to request approval from FDA for DefenCath manufacturing.
On
November 15, 2023 CorMedix announced that the FDA has approved DefenCath to reduce the incidence of catheter-related bloodstream infections
(CRBSIs) for the limited population of adult patients with kidney failure receiving chronic hemodialysis through a central venous catheter
(CVC).
B-Lock™
(Great Lakes Pharmaceuticals, Inc.)
B-Lock
is a triple combination of trimethoprim, EDTA and ethanol from Great Lakes Pharmaceuticals, Inc. (“GLP”). On July 24, 2012,
GLP announced the initiation of a clinical study of B-Lock. We are unaware as to the progress or results of these studies. In addition,
we are not aware of any IND being filed in the U.S. for B-Lock, nor are we aware of any clinical studies to support salvage of infected
catheters in bacteremic patients.
There
has been no further public information available on GLP. GLP’s web site and phone number are no longer active and the Company believes
that they have ceased operations.
Halo-Lido
Competition
The
primary competition in the hemorrhoid market is non-prescription OTC products. If approved by the FDA, Halo-Lido would be the only prescription
product for the treatment of hemorrhoids.
Mino-Wrap
Competition
The
primary competition for Mino-Wrap would be the existing standard of care treatment, which includes a systemic perioperative antimicrobial
agent with the perioperative immersion of the implant or irrigation of the surgical pocket with an antimicrobial solution prior to insertion
of the tissue expander device. This is also administered with immediate postoperative oral antimicrobials.
24
NoveCite
Competition
There
are multiple participants in the cell therapy field both in the U.S. and abroad. We believe that the following companies most directly
compete with NoveCite in our licensed field of acute pneumonitis treatment.
Cynata
Therapeutics Limited develops and commercializes a proprietary mesenchymal stem cell technology under the Cymerus brand for human therapeutic
use in Australia. The company’s lead therapeutic product candidate is CYP-001, which has completed a Phase 1 clinical trial for
the treatment of graft versus host disease. Cynata also develops products for the treatment of asthma, heart attack, diabetic wounds,
coronary artery disease, acute respiratory distress syndrome, brain cancer, melanoma, sepsis, osteoarthritis, and critical limb ischemia,
which are in a preclinical model.
Athersys,
Inc. is a biotechnology company that focuses on the research and development activities in the field of regenerative medicine. Its clinical
development programs are focused on treating neurological conditions, cardiovascular diseases, inflammatory and immune disorders, and
pulmonary and other conditions. The company’s lead platform product includes MultiStem cell therapy, an allogeneic stem cell product,
which has an ongoing Phase 2/3 clinical trial for the treatment of ARDS and has an ongoing clinical trial in Japan for the treatment
of RDS. The MultiStem therapy also is in a Phase 3 clinical study for the treatment of patients suffering from neurological damage from
an ischemic stroke, as well as in a Phase 2 clinical study for the treatment of patients with acute myocardial infarction, and has completed
a Phase 1 clinical study for the treatment of patients suffering from leukemia or various other blood-borne cancers. The company has
license and collaboration agreements with Healios K.K. to develop and commercialize MultiStem cell therapy for ischemic stroke, acute
respiratory distress syndrome, and ophthalmological indications, as well as for the treatment of liver, kidney, pancreas, and intestinal
tissue diseases; and the University of Minnesota to develop MultiStem cell therapy platform.
Pluristem
Therapeutics Inc. operates as a bio-therapeutics company in Israel. It focuses on the research, development, clinical trial, and manufacture
of placental expanded (PLX) based cell therapeutic products and related technologies for the treatment of various ischemic, inflammatory,
and hematologic conditions, as well as autoimmune disorders. A Phase 2 study of PLX cells as a treatment for severe COVID-19 cases complicated
by acute respiratory distress syndrome has been initiated in the U.S. as well as in Europe and Israel.
Mesoblast
Limited is a biopharmaceutical company that develops and commercializes allogeneic cellular medicines. The company offers products in
the areas of cardiovascular, spine orthopedic disorder, oncology, hematology, and immune-mediated and inflammatory diseases. Its proprietary
regenerative medicine technology platform is based on specialized cells known as mesenchymal lineage adult stem cells. In April 2020,
Mesoblast initiated a Phase 3 trial using mesenchymal stromal cells for the treatment of moderate to severe COVID-19 acute respiratory
distress syndrome. The trial was halted in December 2020 after the Data Safety Monitoring Board (DSMB) performed a third interim analysis
on the trial’s first 180 patients, noting that the trial was not likely to meet the 30-day mortality reduction endpoint at the
planned 300 patient enrolment. The trial was powered to achieve a primary endpoint of 43% reduction in mortality at 30 days for treatment
with remestemcelL on top of maximal care. The DSMB recommended that the trial complete with the enrolled 222 patients, and that all be
followed-up as planned. At follow-up through day 60, remestemcel-L showed a positive but non-significant trend in overall mortality reduction
across the entire population of treated patients (n=217). In the pre-specified population of patients under age 65 (n=123), remestemcel-L
reduced mortality through day 60 by 46%, but not in patients 65 or older (n=94). In an exploratory analysis through day 60, remestemcelL
reduced mortality by 75% and increased days alive off mechanical ventilation in patients under age 65 when combined with dexamethasone,
in comparison with controls on dexamethasone.
Supply
and Manufacturing
We
do not currently have and we do not intend to set up our own manufacturing facilities. We expect to use approved contract manufacturers
for manufacturing our product candidates in all stages of development after we file for FDA approval. Each of our domestic and foreign
contract manufacturing establishments, including any contract manufacturers we may decide to use, must be listed in the NDA or the BLA,
as applicable, and must be registered with the FDA. Also, the FDA imposes substantial annual fees on manufacturers of branded products.
In
general, our suppliers purchase raw materials and supplies on the open market. Substantially all such materials are obtainable from a
number of sources so that the loss of any one source of supply would not have a material adverse effect on us.
25
If
we elect to conduct product development and manufacturing, we will be subject to regulation under various federal and state laws, including
the Food, Drug and Cosmetic Act, Occupational Safety and Health Act, the Environmental Protection Act, the Toxic Substances Control Act,
the Resource Conservation and Recovery Act, the Controlled Substances Act and other present and potential future federal, state or local
regulations.
We
have contracted with proven suppliers and manufacturers for active pharmaceutical ingredient, development and packaging. We are confident
that all materials meet or will meet specifications discussed at the chemistry, manufacturing and controls meeting with the FDA.
Supply
and Manufacturing of LYMPHIR
We
have either contracted directly or contracted through Citius Oncology, to secure supply agreements with third-party cGMP facilities who
are in compliance with current good manufacturing practices as generally accepted by the FDA. We are confident that all drug substance
and drug product materials meet or will meet specifications as agreed with the FDA.
We
believe our contract manufacturers have sufficient capacity to support demand for our products as our business grows. In addition to
our supply agreements with third-party manufacturers, we, through Citius Oncology, have contracted with other proven suppliers for, testing,
labeling, packaging, and distribution of LYMPHIR.
Regulation
United
States Government Regulation
The
research, development, testing, manufacture, labeling, promotion, advertising, distribution and marketing, among other things, of our
product candidates are extensively regulated by governmental authorities in the U.S. and other countries. All of our current product
candidates are considered drugs. Consequently, we plan to resubmit the BLA for LYMPHIR early in the first quarter of 2024 and, depending
on the results of our preclinical and clinical trials, we intend to submit an NDA to the FDA for each of Mino-Lok, Halo-Lido, Mino-Wrap
and a BLA to the FDA for NoveCite.
In
the U.S., the FDA regulates drugs under the Federal Food, Drug, and Cosmetic Act and the agency’s implementing regulations. If
we fail to comply with the applicable U.S. requirements at any time during the product development process, including clinical testing,
as well as at any time before and after the approval process, we may become subject to administrative or judicial sanctions. These sanctions
could include the FDA’s refusal to approve pending applications, license suspension or revocation, withdrawal of an approval, warning
letters, adverse publicity, product recalls, product seizures, total or partial suspension of production or distribution, injunctions,
fines, civil penalties or criminal prosecution. Any agency enforcement action could have a material adverse effect on our company and
its operations.
Before
any one of our drug product candidates may be marketed in the U.S., it must be approved by the FDA. The steps required before a drug
may be approved for marketing in the U.S. generally include:
●
preclinical laboratory
and animal tests, and formulation studies;
●
the submission to the FDA
of an IND application for human clinical testing that must become effective before human clinical trials may begin;
●
adequate and well-controlled
human clinical trials to establish the safety and efficacy of the product candidate for each indication for which approval is sought;
●
the submission to the FDA
of an NDA or a BLA and the FDA’s acceptance of the NDA or BLA for filing;
●
satisfactory completion
of an FDA inspection of the manufacturing facilities at which the product is to be produced to assess compliance with the FDA’s
current Good Manufacturing Practices (“cGMP”); and
●
FDA review and approval
of the NDA or BLA.
Foreign
Regulation
We
and any of our collaborative partners may be subject to widely varying foreign regulations, which may be different from those of the
FDA, governing clinical trials, manufacture, product registration and approval and pharmaceutical sales. Whether or not FDA approval
has been obtained, we or our collaboration partners must obtain a separate approval for a product by the comparable regulatory authorities
of foreign countries prior to the commencement of product marketing in such countries. In certain countries, regulatory authorities also
establish pricing and reimbursement criteria. The approval process varies from country to country, and the time may be longer or shorter
than that required for FDA approval. In addition, under current U.S. law, there are restrictions on the export of products not approved
by the FDA, depending on the country involved and the status of the product in that country.
26
Employees
As
of September 30, 2023, we had 22 employees and various consultants providing support. Through our consulting and collaboration arrangements,
and including our Scientific Advisory Board, we have access to more than 30 additional professionals, who possess significant expertise
in business development, legal, accounting, regulatory affairs, clinical operations, and manufacturing. We also rely upon a network of
consultants to support our clinical studies and manufacturing efforts.
Executive
Officers of Citius Pharma
Leonard
Mazur , Chief Executive Officer, Chairman and Secretary – Mr. Mazur, 78, was appointed Chief Executive Officer effective
May 1, 2022, and has been a member of the Board since September 2014. Mr. Mazur previously served as Chief Executive Officer, President,
and Chief Operating Officer from September 2014 until March 2016.
Myron
Holubiak, Executive Vice Chairman and Director – Mr. Holubiak, 76, was appointed Executive Vice Chairman effective May
1, 2022, and has been a member of the Board since October 2015. He previously served as President and Chief Executive Officer from March
2016 through April 2022. He was also the founder and Chief Executive Officer and President of Leonard-Meron Biosciences, Inc., an acquired
subsidiary of Citius Pharma, from March 2013 until March 2016.
Jaime
Bartushak , Chief Business Officer, Chief Financial Officer and Principal Financial Officer – Mr. Bartushak, 56, was appointed
as Chief Financial Officer in November 2017. Previously, he was one of the founders and Chief Financial Officer of Leonard-Meron Biosciences,
Inc., an acquired subsidiary of Citius Pharma.
Myron
Czuczman , Chief Medical Officer and Executive Vice President – Dr. Czuczman, 64, was appointed as Chief Medical Officer
and Executive Vice President in July 2020. Dr. Czuczman previously served as Vice President, Global Clinical Research and Development,
Therapeutic Head of Lymphoma/CLL at Celgene Corporation.
Other
Information
We
make available, free of charge through our website, our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on
Form 8-K and all amendments to those reports as soon as is reasonably practicable after such material is electronically filed with or
furnished to the SEC pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).
The SEC maintains an Internet site that contains these reports at www.sec.gov.
Our
website address is http://www.citiuspharma.com . The information contained in, or that can be accessed through, our website is
not part of this report.