Amneal Receives U.S. FDA Approval for Risperidone Extended-Release Injectable Suspension

By: Amneal Pharmaceuticals LLC via GlobeNewswire

September 04, 2025 at 16:01 PM EDT

Another addition to Amneal’s growing complex injectables portfolio reflects leadership in advanced development and manufacturing of complex pharmaceuticals

BRIDGEWATER, N.J., Sept. 04, 2025 (GLOBE NEWSWIRE) -- Amneal Pharmaceuticals, Inc. (“Amneal” or the “Company”) today announced the U.S. Food and Drug Administration (FDA) approval of risperidone extended-release injectable suspension 12.5 mg/vial, 25 mg/vial, 37.5 mg/vial and 50 mg/vial, which references Janssen’s Risperdal Consta^®. The product is eligible for 180-day exclusivity under the FDA’s Competitive Generic Therapy (CGT) designation. Product launch is planned for the fourth quarter of 2025.

Risperidone extended-release injectable suspension is an atypical antipsychotic indicated for the treatment of schizophrenia or may be used alone or as an adjunctive therapy with lithium or valproate for the maintenance treatment of Bipolar I disorder.

“This approval further strengthens our complex injectables portfolio with a new long-acting treatment option in mental health,” said Arash Dabestani, Pharm.D., Senior Vice President, Institutional. “Risperidone extended-release injectable suspension requires advanced capabilities—such as microsphere formulation and cold-chain manufacturing—that underscore Amneal’s leadership in developing and producing complex medicines. This milestone reflects our strong R&D and manufacturing expertise and lays the foundation for future microsphere-based long-acting injectables.”

The most commonly reported adverse reactions for risperidone extended-release injectable suspension in clinical studies were headache, parkinsonism, dizziness, movement disorder, fatigue, constipation, indigestion, sedation, weight increased, pain in extremity, and dry mouth. For full prescribing information, see the package insert here.

According to IQVIA^® U.S. annual sales for risperidone extended-release injectable suspension for the 12 months ended July 2025 were approximately $194 million.

About Amneal
Amneal Pharmaceuticals, Inc. (Nasdaq: AMRX), headquartered in Bridgewater, NJ, is a global biopharmaceutical company. We make healthy possible through the development, manufacturing, and distribution of a diverse portfolio of over 280 pharmaceuticals, primarily within the United States. In its Affordable Medicines 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. 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 and follow us on LinkedIn.

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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; expected or estimated operating results and financial performance; and statements regarding our positioning, including our ability to drive sustainable long-term growth, 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. 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. 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.

Investor Contact
Anthony DiMeo
VP, Investor Relations
anthony.dimeo@amneal.com

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Sr. Director, Corporate Communications
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