Biggest changeA Phase 2 study in ulcerative colitis using our polymer-encapsulated, delayed-release, oral formulation of PL8177 initiated patent enrollment in September 2022, and may take up to one year to complete. The Phase 2 study is a multi-center, randomized, double-blind, placebo-controlled, adaptive design, parallel group of PL8177 study, with once daily oral dosing in adult ulcerative colitis subjects.
Biggest changeThe Phase 2 study is a multi-center, randomized, double-blind, placebo-controlled, adaptive design, parallel group of PL8177 study, with once daily oral dosing in adult ulcerative colitis subjects. The study uses an adaptive design with an interim assessment by an independent DMC after the initial 16 subjects have completed the 8-week evaluation visit. Diabetic Nephropathy Proof-of-Concept Study.
PL9643 for Dry Eye Disease and Anti-Inflammatory Ocular Indications. PL9643, a peptide melanocortin agonist active at multiple MCrs, including MC1r and MC5r, is our lead clinical development candidate for anti-inflammatory ocular indications, including dry eye disease, which is also known as keratoconjunctivitis sicca. Dry eye disease is a syndrome with symptoms including irritation, redness, discharge and blurred vision.
PL9643, a peptide melanocortin agonist active at multiple MCrs, including MC1r and MC5r, is our lead clinical development candidate for anti-inflammatory ocular indications, including dry eye disease, which is also known as keratoconjunctivitis sicca. Dry eye disease is a syndrome with symptoms including irritation, redness, discharge and blurred vision.
The laws and regulations that may affect our ability to operate include: · the federal Anti-Kickback Statute, which prohibits, among other things, any person or entity from knowingly and willfully offering, soliciting, receiving or providing any remuneration (including any kickback, bribe or rebate), directly or indirectly, overtly or covertly, in cash or in kind, to induce either the referral of an individual or in return for the purchase, lease, or order of any good, facility item or service, for which payment may be made, in whole or in part, under federal healthcare programs such as the Medicare and Medicaid programs; · federal civil and criminal false claims laws and civil monetary penalty laws, including, for example, the federal civil False Claims Act, which impose criminal and civil penalties, including civil whistleblower or qui tam actions, against individuals or entities for, among other things, knowingly presenting, or causing to be presented, to the federal government, including the Medicare and Medicaid programs, claims for payment that are false or fraudulent or making a false statement to avoid, decrease or conceal an obligation to pay money to the federal government; · the federal Health Insurance Portability and Accountability Act of 1996 (“HIPAA”), which created new federal criminal statutes that prohibit knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit program or obtain, by means of false or fraudulent pretenses, representations or promises, any of the money or property owned by, or under the custody or control of, any healthcare benefit program, regardless of the payer (e.g., public or private), knowingly and willfully embezzling or stealing from a health care benefit program, willfully obstructing a criminal investigation of a health care offense and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or making any materially false statements in connection with the delivery of, or payment for, healthcare benefits, items or services relating to healthcare matters; · HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act, and their implementing regulations, which impose obligations on covered entities, including healthcare providers, health plans, and healthcare clearinghouses, as well as their respective business associates that create, receive, maintain or transmit individually identifiable health information for or on behalf of a covered entity, with respect to safeguarding the privacy, security and transmission of individually identifiable health information; · the federal physician sunshine requirements under the Patient Protection and Affordable Care Act (“Affordable Care Act”), which require manufacturers of drugs, devices, biologics and medical supplies to report annually to the Centers for Medicare & Medicaid Services information related to payments and other transfers of value provided to physicians and teaching hospitals, and ownership and investment interests held by physicians and their immediate family members; and · state law equivalents of each of the above federal laws, such as anti-kickback and false claims laws, which may apply to items or services reimbursed by any third-party payer, including commercial insurers; state laws that require pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the applicable compliance guidance promulgated by the federal government, or otherwise restrict payments that may be provided to healthcare providers and other potential referral sources; state laws that require drug manufacturers to report information related to payments and other transfers of value to healthcare providers or marketing expenditures; and state laws governing the privacy and security of health information in certain circumstances, many of which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.
The laws and regulations that may affect our ability to operate include: · the federal Anti-Kickback Statute, which prohibits, among other things, any person or entity from knowingly and willfully offering, soliciting, receiving or providing any remuneration (including any kickback, bribe or rebate), directly or indirectly, overtly or covertly, in cash or in kind, to induce either the referral of an individual or in return for the purchase, lease, or order of any good, facility item or service, for which payment may be made, in whole or in part, under federal healthcare programs such as the Medicare and Medicaid programs; · federal civil and criminal false claims laws and civil monetary penalty laws, including, for example, the federal civil False Claims Act, which impose criminal and civil penalties, including civil whistleblower or qui tam actions, against individuals or entities for, among other things, knowingly presenting, or causing to be presented, to the federal government, including the Medicare and Medicaid programs, claims for payment that are false or fraudulent or making a false statement to avoid, decrease or conceal an obligation to pay money to the federal government; · the federal Health Insurance Portability and Accountability Act of 1996 (“HIPAA”), which created new federal criminal statutes that prohibit knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit program or obtain, by means of false or fraudulent pretenses, representations or promises, any of the money or property owned by, or under the custody or control of, any healthcare benefit program, regardless of the payer (e.g., public or private), knowingly and willfully embezzling or stealing from a health care benefit program, willfully obstructing a criminal investigation of a health care offense and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or making any materially false statements in connection with the delivery of, or payment for, healthcare benefits, items or services relating to healthcare matters; 10 Table of Contents · HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act, and their implementing regulations, which impose obligations on covered entities, including healthcare providers, health plans, and healthcare clearinghouses, as well as their respective business associates that create, receive, maintain or transmit individually identifiable health information for or on behalf of a covered entity, with respect to safeguarding the privacy, security and transmission of individually identifiable health information; · the federal physician sunshine requirements under the Patient Protection and Affordable Care Act (“Affordable Care Act”), which require manufacturers of drugs, devices, biologics and medical supplies to report annually to the Centers for Medicare & Medicaid Services information related to payments and other transfers of value provided to physicians and teaching hospitals, and ownership and investment interests held by physicians and their immediate family members; and · state law equivalents of each of the above federal laws, such as anti-kickback and false claims laws, which may apply to items or services reimbursed by any third-party payer, including commercial insurers; state laws that require pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the applicable compliance guidance promulgated by the federal government, or otherwise restrict payments that may be provided to healthcare providers and other potential referral sources; state laws that require drug manufacturers to report information related to payments and other transfers of value to healthcare providers or marketing expenditures; and state laws governing the privacy and security of health information in certain circumstances, many of which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.
Products under development include perfluorohexyloctane, cyclosporine, TRPM8 selective agonist, aldehyde derivative, partial TrkA receptor agonist, cardiolipin peroxidation inhibitor, tumor necrosis factor agonists, alpha-2 adrenergic receptor agonist, calcineurin inhibitors, and nicotinic receptor agonists, among others. There are no reported MC1r agonist drugs in clinical trials by third parties for dry eye disease.
Products under development include perfluorohexyloctane, cyclosporine, TRPM8 selective agonist, aldehyde derivative, partial TrkA receptor agonist, cardiolipin peroxidation inhibitor, tumor necrosis factor antagonists, alpha-2 adrenergic receptor agonist, calcineurin inhibitors, and nicotinic receptor agonists, among others. There are no reported MC1r agonist drugs in clinical trials by third parties for dry eye disease.
Upon the first commercial sale of Vyleesi in Korea we will receive a $3.0 million milestone payment and will receive mid-single digit to low double-digit royalties on all net sales and may receive up to $37.5 million in sales related milestones. 3 Table of Contents We retain worldwide rights for Vyleesi for HSDD and all other indications outside Korea and China.
Upon the first commercial sale of Vyleesi in Korea we will receive a $3.0 million milestone payment and will receive mid-single digit to low double-digit royalties on all net sales and may receive up to $37.5 million in sales related milestones. We retain worldwide rights for Vyleesi for HSDD and all other indications outside Korea and China.
An interim analysis by an independent Data Monitoring Committee (“DMC”) of the first 120 patients who had completed the MELODY-1 trial recommended the study continue with a sample size of up to 350 patients. Topline results from the MELODY-1 trial are now expected in the second quarter of calendar 2023.
An interim analysis by an independent Data Monitoring Committee (“DMC”) of the first 120 patients who had completed the MELODY-1 trial recommended the study continue with a sample size of up to 350 patients. Topline results from the MELODY-1 trial are now expected in the fourth quarter of calendar 2023.
There are other companies reported to be developing new drugs for FSD indications, some of which may be in clinical trials in the United States or elsewhere. We are not aware of any other company actively developing a melanocortin receptor agonist drug for HSDD. 4 Table of Contents PL9643 for Anti-Inflammatory Ocular Indications.
There are other companies reported to be developing new drugs for FSD indications, some of which may be in clinical trials in the United States or elsewhere. We are not aware of any other company actively developing a melanocortin receptor agonist drug for HSDD. PL9643 for Anti-Inflammatory Ocular Indications.
In addition, the Affordable Care Act provided that the government may assert that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal civil False Claims Act. 10 Table of Contents Achieving and sustaining compliance with these laws may prove costly.
In addition, the Affordable Care Act provided that the government may assert that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal civil False Claims Act. Achieving and sustaining compliance with these laws may prove costly.
This might not be an adequate remedy to us because third parties other than the person who causes the breach will be free to use the information without accountability to us. This is an inherent limitation of the law of trade secret protection. 6 Table of Contents U.S. Governmental Regulation of Pharmaceutical Products General.
This might not be an adequate remedy to us because third parties other than the person who causes the breach will be free to use the information without accountability to us. This is an inherent limitation of the law of trade secret protection. U.S. Governmental Regulation of Pharmaceutical Products General.
Failure to comply with the statutory and regulatory requirements subjects the manufacturer and/or the NDA sponsor or distributor to possible legal or regulatory action, such as a delay or refusal to approve an NDA, suspension of manufacturing, seizure or recall of a product, or civil or criminal prosecution of the company or individual officers or employees. 8 Table of Contents Postmarketing Regulation.
Failure to comply with the statutory and regulatory requirements subjects the manufacturer and/or the NDA sponsor or distributor to possible legal or regulatory action, such as a delay or refusal to approve an NDA, suspension of manufacturing, seizure or recall of a product, or civil or criminal prosecution of the company or individual officers or employees. Postmarketing Regulation.
We also focus our Vyleesi marketing efforts towards healthcare professionals, who play a significant role in increasing HSDD and Vyleesi awareness among their patients. As the commercial potential of Vyleesi is demonstrated, Palatin will explore licensing, marketing and distribution rights for the United States to a marketing partner.
We also focus our Vyleesi marketing efforts towards healthcare professionals, who play a significant role in increasing HSDD and Vyleesi awareness among their patients. As the commercial potential of Vyleesi is demonstrated, Palatin is exploring licensing marketing and distribution rights for the United States to a marketing partner.
The timing and extent of future generic competition is dependent upon both our intellectual property rights and the FDA regulatory process but cannot be accurately predicted. The pharmaceutical and biotechnology industries are characterized by extensive research efforts and rapid technological change.
The timing and extent of future generic competition is dependent upon both our intellectual property rights and the FDA regulatory process but cannot be accurately predicted. 4 Table of Contents The pharmaceutical and biotechnology industries are characterized by extensive research efforts and rapid technological change.
Further, healthcare reimbursement systems vary from country to country, and third-party reimbursement might not be made available for Vyleesi for HSDD under other reimbursement systems. 12 Table of Contents Manufacturing and Marketing To be successful, our proposed products will need to be manufactured in commercial quantities under GMP prescribed by the FDA and at acceptable costs.
Further, healthcare reimbursement systems vary from country to country, and third-party reimbursement might not be made available for Vyleesi for HSDD under other reimbursement systems. Manufacturing and Marketing To be successful, our proposed products will need to be manufactured in commercial quantities under GMP prescribed by the FDA and at acceptable costs.
Additionally, the claims of our issued patents may be narrowed or invalidated by administrative proceedings, such as interference or derivation, inter partes review, post grant review or reexamination proceedings before the USPTO. Future Patent Infringement.
Additionally, the claims of our issued patents may be narrowed or invalidated by administrative proceedings, such as interference or derivation, inter partes review, post grant review or reexamination proceedings before the USPTO. 6 Table of Contents Future Patent Infringement.
The ANDA also will not be approved until any applicable non-patent regulatory exclusivity listed in the Orange Book for the referenced product has expired. 11 Table of Contents Regulatory Exclusivity.
The ANDA also will not be approved until any applicable non-patent regulatory exclusivity listed in the Orange Book for the referenced product has expired. Regulatory Exclusivity.
We own three issued United States patents and a pending patent application in the United States for methods of treating FSD with Vyleesi, with related patents issued or pending in selected countries in Europe and Asia and in Australia and New Zealand.
We own four issued United States patents and pending patent applications in the United States for methods of treating FSD with Vyleesi, with related patents issued or pending in selected countries in Europe and Asia and in Australia and New Zealand.
The IRB at each institution at which a clinical trial is being performed may suspend a clinical trial at any time for a variety of reasons, including a belief that the test subjects are being exposed to an unacceptable health risk.
The IRB at each institution at which a clinical trial is being performed may suspend a clinical trial at any time for a variety of reasons, including a belief that the test subjects are being exposed to an unacceptable health risk. As the sponsor, we can also suspend or terminate a clinical trial at any time.
If a patent is granted, the patents will have a presumptive term until 2041. Until one or more product candidates covered by a claim of one of these patent applications are developed for commercialization, which may never occur, we cannot evaluate the duration of any potential patent term extension under the Hatch-Waxman Amendments.
Until one or more product candidates covered by a claim of one of these patent applications are developed for commercialization, which may never occur, we cannot evaluate the duration of any potential patent term extension under the Hatch-Waxman Amendments.
We are working on a formulation for intravitreal and subcutaneous administration. If results support advancing the program, we will conduct required safety studies and manufacture drug product under Good Manufacturing Practices (“GMP”) regulations needed to file an Investigational New Drug application (“IND”) and initiating clinical studies. Ocular Research Programs.
If results support advancing the program, we will conduct required safety studies and manufacture drug product under Good Manufacturing Practices (“GMP”) regulations needed to file an Investigational New Drug application (“IND”) and initiating clinical studies. Ocular Research Programs.
With respect to post-market product advertising and promotion, the FDA and other government agencies including the Department of Health and Human Services and the Department of Justice, and individual States, impose a number of complex regulations on entities that advertise and promote pharmaceuticals, including, among others, standards and restrictions on direct-to-consumer advertising, off-label promotion, industry-sponsored scientific and educational activities and promotional activities involving the Internet.
The FDA also may impose other conditions, including labeling restrictions which can materially impact the potential market and profitability of a product. 9 Table of Contents With respect to post-market product advertising and promotion, the FDA and other government agencies including the Department of Health and Human Services and the Department of Justice, and individual States, impose a number of complex regulations on entities that advertise and promote pharmaceuticals, including, among others, standards and restrictions on direct-to-consumer advertising, off-label promotion, industry-sponsored scientific and educational activities and promotional activities involving the Internet.
There are no reported MC1r agonist drugs in clinical trials for diabetic retinopathy. If one or more of the competing product candidates under development is approved and can treat diabetic retinopathy with an acceptable side effect profile, it could reduce the market for MC1r peptide products for this indication. Melanocortin Receptor 1 Agonist Drug Products for Inflammatory and Autoimmune Diseases.
If one or more of the competing product candidates under development is approved and can treat diabetic retinopathy with an acceptable side effect profile, it could reduce the market for MC1r peptide products for this indication. 5 Table of Contents Melanocortin Receptor 1 Agonist Drug Products for Inflammatory and Autoimmune Diseases.
Employees As of September 21, 2022 we employed 33 people full time, of whom 20 are engaged in research and development activities and 13 are engaged in administration and management, and did not have any part-time employees. While we have been successful in attracting skilled and experienced scientific personnel, competition for personnel in our industry is intense.
Employees As of September 28, 2023, we employed 34 people full time, of whom 22 are engaged in research and development activities and 12 are engaged in administration and management, and did not have any part-time employees. While we have been successful in attracting skilled and experienced scientific personnel, competition for personnel in our industry is intense.
After regulatory approvals are obtained, the subsequent discovery of previously unknown problems, or the failure to maintain compliance with existing or new regulatory requirements, may result in: · restrictions on the marketing or manufacturing of a product; · Warning Letters or Untitled Letters from the FDA asking us, our collaborators or third-party contractors to take or refrain from taking certain actions; · withdrawal of the product from the market; · the FDA’s refusal to approve pending applications or supplements to approved applications; · voluntary or mandatory product recall; · fines or disgorgement of profits or revenue; · suspension or withdrawal of regulatory approvals; · refusals to permit the import or export of products; · product seizure; and · injunctions or the imposition of civil or criminal penalties. 9 Table of Contents We may also be subject to healthcare laws, regulations and enforcement and our failure to comply with any such laws, regulations or enforcement could adversely affect our business, operations and financial condition.
After regulatory approvals are obtained, the subsequent discovery of previously unknown problems, or the failure to maintain compliance with existing or new regulatory requirements, may result in: · restrictions on the marketing or manufacturing of a product; · Warning Letters or Untitled Letters from the FDA asking us, our collaborators or third-party contractors to take or refrain from taking certain actions; · withdrawal of the product from the market; · the FDA’s refusal to approve pending applications or supplements to approved applications; · voluntary or mandatory product recall; · fines or disgorgement of profits or revenue; · suspension or withdrawal of regulatory approvals; · refusals to permit the import or export of products; · product seizure; and · injunctions or the imposition of civil or criminal penalties.
Net sales of Vyleesi were $1.2 million in fiscal 2022, compared to negative net sales of $0.3 million in fiscal 2021. Vyleesi is distributed nationally through a home delivery specialty pharmacy.
Net sales of Vyleesi were $4.9 million in fiscal 2023, compared to $1.2 million in fiscal 2022. Vyleesi is distributed nationally through a home delivery specialty pharmacy.
The steps ordinarily required by the FDA before an innovative new drug product may be marketed in the United States are similar to steps required in most other countries and include, but are not limited to: · completion of preclinical laboratory tests, preclinical animal testing and formulation studies; · submission to the FDA of an IND, which must be in effect before clinical trials may commence; · clinical studies to evaluate safety and efficacy; · submission to the FDA of an NDA that includes preclinical data, clinical trial data and manufacturing information; · payment of substantial user fees for filing the NDA and other recurring user fees; · FDA review of the NDA; · satisfactory completion of an FDA pre-approval inspection of the manufacturing facilities; and · FDA approval of the NDA, including approval of all product labeling.
The steps ordinarily required by the FDA before an innovative new drug product may be marketed in the United States are similar to steps required in most other countries and include, but are not limited to: · completion of preclinical laboratory tests, preclinical animal testing and formulation studies; · submission to the FDA of an IND, which must be in effect before clinical trials may commence; · clinical studies to evaluate safety and efficacy; · submission to the FDA of an NDA that includes preclinical data, clinical trial data and manufacturing information; · payment of substantial user fees for filing the NDA and other recurring user fees; · FDA review of the NDA; · satisfactory completion of an FDA pre-approval inspection of the manufacturing facilities; and · FDA approval of the NDA, including approval of all product labeling. 7 Table of Contents For new drug products or for combination products deemed to have a “drug” primary mode of action, primary review of the product will be conducted by the appropriate division within the FDA’s Center for Drug Evaluation and Research (“CDER”).
However, we are aware of several other drugs at various stages of development, most of which are being developed for the treatment of HSDD that are to be taken on a chronic, typically once-daily, basis.
We are not aware of any company actively developing another melanocortin receptor agonist drug for the treatment of HSDD. However, we are aware of several other drugs at various stages of development, most of which are being developed for the treatment of HSDD that are to be taken on a chronic, typically once-daily, basis.
Even if the FDA approves a product, it may limit the approved uses for the product as described in the product labeling, require that contraindications, warning statements or precautions be included in the product labeling, require that additional studies be conducted following approval as a condition of the approval, impose restrictions and conditions on product distribution, prescribing or dispensing in the form of a REMS, or otherwise limit the scope of any approval or limit labeling.
We will be required to assure product performance and manufacturing processes from one country to another. 8 Table of Contents Even if the FDA approves a product, it may limit the approved uses for the product as described in the product labeling, require that contraindications, warning statements or precautions be included in the product labeling, require that additional studies be conducted following approval as a condition of the approval, impose restrictions and conditions on product distribution, prescribing or dispensing in the form of a REMS, or otherwise limit the scope of any approval or limit labeling.
Gross product sales of Vyleesi increased to $5.8 million in the fiscal year ended June 30, 2022 (“fiscal 2022”), compared to $4.7 million in the fiscal year ended June 30, 2021 (“fiscal 2021”), with gross product sales in the fourth quarter ended June 30, 2022 increasing 79% over the prior quarter and 91% over the comparable quarter in 2021.
Gross product sales of Vyleesi increased to $12.5 million in the fiscal year ended June 30, 2023, compared to $5.8 million in the fiscal year ended June 30, 2022 (“fiscal 2022”), with gross product sales in the fourth quarter ended June 30, 2023 increasing 20% over the prior quarter and 78% over the comparable quarter in 2022.
The failure of any manufacturer or supplier to comply with FDA regulations, including GMP or medical device quality systems regulations (“QSR”), or to supply the device component or drug substance and services as agreed, would force us or our licensees to seek alternative sources of supply and could interfere with our and our licensees’ ability to deliver product on a timely and cost-effective basis or at all.
Manufacturing drug product, such as the oral formulation of PL8177, similarly may involve production, formulation and other problems not present in manufacturing at clinical trial or laboratory scale. 13 Table of Contents The failure of any manufacturer or supplier to comply with FDA regulations, including GMP or medical device quality systems regulations (“QSR”), or to supply the device component or drug substance and services as agreed, would force us or our licensees to seek alternative sources of supply and could interfere with our and our licensees’ ability to deliver product on a timely and cost-effective basis or at all.
We have completed subcutaneous dosing of human subjects in a Phase 1 single and multiple ascending dose clinical safety study, and a human microdose pharmacokinetic study to evaluate a polymer-encapsulated, delayed-release, oral formulation of PL8177. 2 Table of Contents For ulcerative colitis and other inflammatory bowel diseases we will administer PL8177 in our oral formulation to deliver PL8177 to the interior wall of the diseased bowel.
PL8177, a selective MC1r agonist peptide, is our lead clinical development candidate for inflammatory bowel diseases, including ulcerative colitis. We have completed subcutaneous dosing of human subjects in a Phase 1 single and multiple ascending dose clinical safety study, and a human microdose pharmacokinetic study to evaluate a polymer-encapsulated, delayed-release, oral formulation of PL8177.
We have developed a PL9643 ophthalmic solution (topical eye drops) in a single use delivery device, and a Phase 3 pivotal clinical trial (“MELODY-1”) designed to support a New Drug Application (“NDA”) which is ongoing.
We have developed a PL9643 ophthalmic solution (topical eye drops) in a single use delivery device, and a Phase 3 pivotal clinical trial (“MELODY-1”) designed to support a New Drug Application (“NDA”) has completed patient enrollment, with top line results expected by December 31, 2023.
As the sponsor, we can also suspend or terminate a clinical trial at any time. 7 Table of Contents Clinical development is typically conducted in three sequential phases, Phases 1, 2, and 3, involving clinical trials with increasing numbers of human subjects. These phases may sometimes overlap or be combined.
Clinical development is typically conducted in three sequential phases, Phases 1, 2, and 3, involving clinical trials with increasing numbers of human subjects. These phases may sometimes overlap or be combined.
Certain federal and state healthcare laws and regulations pertaining to fraud and abuse and patients’ rights are and will be applicable to our business. We are subject to regulation by both the federal government and the states in which we or our partners conduct our business.
We are subject to regulation by both the federal government and the states in which we or our partners conduct our business.
Evaluation of MCr agonists in rodent animal models have demonstrated therapeutic responses that are statistically significant compared to placebo, and that are equal to or superior to established positive controls. However, success in animal models does not necessarily mean that any of our drug candidates will be able to successfully treat diseases in human patients.
Evaluation of MCr agonists in rodent animal models have demonstrated therapeutic responses that are statistically significant compared to placebo, and that are equal to or superior to established positive controls.
Our website and the information contained in it or connected to it are not incorporated into this Annual Report. The reference to our website is an inactive textual reference only.
Our website and the information contained in it or connected to it are not incorporated into this Annual Report. The reference to our website is an inactive textual reference only. The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC ( www.sec.gov ).
The FDA may then approve the new product candidate for all, or some, of the label indications for which the referenced product has been approved, as well as for any new indication or conditions of use sought by the Section 505(b)(2) applicant.
The FDA may then approve the new product candidate for all, or some, of the label indications for which the referenced product has been approved, as well as for any new indication or conditions of use sought by the Section 505(b)(2) applicant. 12 Table of Contents To the extent that the Section 505(b)(2) applicant is relying on studies conducted for an already approved product, the applicant is required to certify to the FDA concerning any patents listed for the approved product in the Orange Book to the same extent that an ANDA applicant would.
If the ANDA applicant has provided a Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV certification to the NDA holder and patent owner once the ANDA has been accepted for filing by the FDA.
If the ANDA contains one or more Paragraph III Certifications, the ANDA cannot not be approved until each listed patent for which a Paragraph III Certification was filed have expired. 11 Table of Contents If the ANDA applicant has provided a Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV certification to the NDA holder and patent owner once the ANDA has been accepted for filing by the FDA.
The PL8177 drug product oral formulations for ulcerative colitis has been manufactured for clinical trial use. While the production process for making peptide active pharmaceutical ingredient involves well-established technology, there are a limited number of manufacturers capable of scaling up to commercial quantities under GMP at acceptable costs.
While the production process for making peptide active pharmaceutical ingredient involves well-established technology, there are a limited number of manufacturers capable of scaling up to commercial quantities under GMP at acceptable costs. Additionally, scaling up to commercial quantities may involve production, purification, formulation and other problems not present in the scale of manufacturing done to date.
Pursuant to the termination of the license agreement with AMAG, we have assumed contracts relating to manufacturing, and intend to manufacture Vyleesi for sales in the United States and to our licensees throughout the world. Our PL3994 product candidate is a peptide mimetic molecule, incorporating a proprietary amino acid mimetic structure and amino acids.
Pursuant to the termination of the license agreement with AMAG, we have assumed contracts relating to manufacturing, and manufacture Vyleesi for sales in the United States and to our licensees. Our MC1r and MCr agonist product candidates are synthetic peptides.
Further, third parties may challenge the validity or scope of any issued patent, and under the Hatch-Waxman Amendments, potentially receive approval of a competing generic version of our product or products even before a court rules on the validity or infringement of our patents. 5 Table of Contents We have filed patent applications under the Patent Cooperation Treaty claiming PL9643 and other peptides in development for ocular and inflammatory disease indications and have entered national stage prosecution in the United States, European Patent Office, Eurasian Patent Office, and broadly throughout the world.
Further, third parties may challenge the validity or scope of any issued patent, and under the Hatch-Waxman Amendments, potentially receive approval of a competing generic version of our product or products even before a court rules on the validity or infringement of our patents.
We have had a contract manufacturer make the active pharmaceutical ingredient in quantities sufficient for Phase 1 and Phase 2. Our MC1r and MCr agonist product candidates are synthetic peptides. We have had a contract manufacturer make both the PL8177 and PL9643 peptides in suitable scale for toxicity studies and under GMP for clinical trial use.
We have had a contract manufacturer make both the PL8177 and PL9643 peptides in suitable scale for toxicity studies and under GMP for clinical trial use. The PL8177 drug product oral formulation for ulcerative colitis has been manufactured for clinical trial use.
PL8177 activates MC1r present on the interior wall of the bowel in ulcerative colitis and other inflammatory bowel diseases. We believe that PL8177 at MC1r in the bowel wall will maximize treatment effect while minimizing any systemic or off-target effects.
We believe that PL8177 at MC1r in the bowel wall will maximize treatment effect while minimizing any systemic or off-target effects. A Phase 2 study in ulcerative colitis using our polymer-encapsulated, delayed-release, oral formulation of PL8177 initiated patent enrollment in September 2022, and is ongoing.
Vyleesi faces competition primarily from Addyi® (flibanserin), which was introduced into the market in October 2015 for the treatment of HSDD in pre-menopausal women and is marketed by Sprout Pharmaceuticals, Inc. We are not aware of any company actively developing another melanocortin receptor agonist drug for the treatment of HSDD.
Palatin assumed Vyleesi manufacturing agreements, and AMAG transferred information, data and assets related exclusively to Vyleesi, including existing inventory. 3 Table of Contents Vyleesi faces competition primarily from Addyi® (flibanserin), which was introduced into the market in October 2015 for the treatment of HSDD in pre-menopausal women and is marketed by Sprout Pharmaceuticals, Inc.
The study uses an adaptive design with an interim assessment by an independent DMC after the initial 16 subjects have completed the 8-week evaluation visit. Melanocortin Peptides for Diabetic Retinopathy. We conducted preclinical studies with melanocortin peptides in diabetic retinopathy models and have selected a peptide candidate for further development work.
Melanocortin Peptides for Diabetic Retinopathy. We conducted preclinical studies with melanocortin peptides in diabetic retinopathy models and have selected a peptide candidate for further development work. We are working on a formulation for intravitreal and subcutaneous administration.