Generic name: carbidopa and levodopa
Treatment for: Parkinson’s Disease
Amneal Receives U.S. FDA Complete Response Letter for IPX203
BRIDGEWATER, N.J.–(BUSINESS WIRE) July 03, 2023 –Amneal Pharmaceuticals, Inc. (NYSE: AMRX) (“Amneal” or the “Company”) today announced it has received a Complete Response Letter (CRL) from the U.S. Food and Drug Administration (FDA) regarding the Company’s New Drug Application (NDA) for IPX203 for the treatment of Parkinson’s disease.
The letter indicated that although an adequate scientific bridge was established for the safety of one ingredient, levodopa (LD), based on pharmacokinetic studies, it was not adequately established for the other ingredient, carbidopa (CD), and FDA has requested additional information. The letter did not identify any issues with respect to the efficacy or manufacturing of IPX203. Amneal will work closely with the FDA to address its comments and plans to meet with the agency to align on the best path forward.
“We are committed to advancing IPX203 for Parkinson’s disease, which has been developed to provide a longer duration of therapeutic benefit than existing formulations with fewer doses,” said Chirag and Chintu Patel, Co-Chief Executive Officers at Amneal. “We plan to work closely with the FDA to address the agency’s feedback and we remain confident in bringing this new treatment to Parkinson’s patients as soon as possible.”
The NDA submission is based on the results from the Phase 3 RISE-PD clinical trial, which found that IPX203’s extended-release formulation offers significantly more “Good On” time, as well as significantly less “Off” time, compared to immediate-release CD/LD, even when dosed less frequently.
This does not impact Amneal’s 2023 financial guidance, which did not include IPX203 revenues.
About IPX203
IPX203 is a novel, oral formulation of CD/LD extended-release capsules designed for the treatment of Parkinson’s disease. IPX203 contains immediate-release granules and extended-release coated beads. The IR granules consist of CD and LD, with a disintegrant polymer to allow for rapid dissolution. The ER beads consist of LD, coated with a sustained release polymer to allow for slow release of the drug a mucoadhesive polymer to keep the granules adhered to the area of absorption longer, and an enteric coating to prevent the granules from disintegrating prematurely in the stomach. This formulation is distinct from RYTARY® (carbidopa/levodopa) extended-release capsules, Amneal’s extended-release CD/LD treatment for PD approved by the U.S. FDA in 2015.
About Parkinson’s Disease
Parkinson’s disease (PD) has become the fastest growing neurological disorder worldwide, with approximately 1 million patients diagnosed in the U.S.1,2 It is a progressive disorder of the central nervous system (CNS) that affects dopamine-producing neurons in the brain that affect movement.
PD is characterized by slowness of movement, stiffness, resting tremor and impaired balance.3 While PD is not considered a fatal disease, it is associated with significant morbidity and disability.4 The average age at diagnosis for patients with PD is 60; as people live longer, the number of patients living with PD is predicted to grow significantly over the coming decades.1,5
About Amneal
Amneal Pharmaceuticals, Inc. (NYSE: AMRX), headquartered in Bridgewater, NJ, is a fully integrated global pharmaceuticals company. We make healthy possible through the development, manufacturing, and distribution of a diverse portfolio of approximately 270 pharmaceutical products, primarily within the United States. In its Generics segment, the Company is expanding across a broad range of complex product categories and therapeutic areas, including injectables and biosimilars. In its Specialty segment, Amneal has a growing portfolio of branded pharmaceuticals focused primarily on central nervous system and endocrine disorders, with a pipeline focused on unmet needs. Through its AvKARE segment, the Company is a distributor of pharmaceuticals and other products for the U.S. federal government, retail, and institutional markets. For more information, please visit www.amneal.com.
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Certain statements contained herein, regarding matters that are not historical facts, may be forward-looking statements (as defined in the U.S. Private Securities Litigation Reform Act of 1995). Such forward-looking statements include statements regarding management’s intentions, plans, beliefs, expectations, financial results, or forecasts for the future, including among other things: discussions of future operations, including international expansion; expected or estimated operating results and financial performance; the Company’s growth prospects and opportunities as well as its strategy for growth; product development and launches; the successful commercialization and market acceptance of new products, and other non-historical statements. Words such as “plans,” “expects,” “will,” “anticipates,” “estimates,” and similar words, or the negatives thereof, are intended to identify estimates and forward-looking statements.
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Such risks and uncertainties include, but are not limited to: our ability to successfully develop, license, acquire and commercialize new products on a timely basis; the competition we face in the pharmaceutical industry from brand and generic drug product companies, and the impact of that competition on our ability to set prices; our ability to obtain exclusive marketing rights for our products; our ability to manage our growth through acquisitions and otherwise; our revenues are derived from the sales of a limited number of products, a substantial portion of which are through a limited number of customers; the continuing trend of consolidation of certain customer groups; our dependence on third-party suppliers and distributors for raw materials for our products and certain finished goods; our substantial amount of indebtedness and our ability to generate sufficient cash to service our indebtedness in the future, and the impact of interest rate fluctuations on such indebtedness; our ability to secure satisfactory terms when negotiating a refinancing or other new indebtedness; our dependence on third-party agreements for a portion of our product offerings; legal, regulatory and legislative efforts by our brand competitors to deter competition from our generic alternatives; risks related to federal regulation of arrangements between manufacturers of branded and generic products; our reliance on certain licenses to proprietary technologies from time to time; the significant amount of resources we expend on research and development; the risk of product liability and other claims against us by consumers and other third parties; risks related to changes in the regulatory environment, including U.S. federal and state laws related to healthcare fraud abuse and health information privacy and security and changes in such laws; changes to Food and Drug Administration product approval requirements; the impact of healthcare reform and changes in coverage and reimbursement levels by governmental authorities and other third-party payers; our potential expansion into additional international markets subjecting us to increased regulatory, economic, social and political uncertainties, including bank failures; our ability to identify, make and integrate acquisitions or investments in complementary businesses and products on advantageous terms; the impact of global economic, political or other catastrophic events; our ability to attract, hire and retain highly skilled personnel; our obligations under a tax receivable agreement may be significant; and the high concentration of ownership of our Class A Common Stock and the fact that we are controlled by the Amneal Group. The forward-looking statements contained herein are also subject generally to other risks and uncertainties that are described from time to time in the Company’s filings with the Securities and Exchange Commission, including under Item 1A, “Risk Factors” in the Company’s most recent Annual Report on Form 10-K and in its subsequent reports on Forms 10-Q and 8-K. Investors are cautioned not to place undue reliance on any such forward-looking statements, which speak only as of the date they are made. Forward-looking statements included herein speak only as of the date hereof and we undertake no obligation to revise or update such statements to reflect the occurrence of events or circumstances after the date hereof.
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Source: Amneal Pharmaceuticals, Inc.
Posted: July 2023
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IPX203 (carbidopa and levodopa) FDA Approval History
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