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Amneal Receives U.S. FDA Approval of Sodium Oxybate Oral Solution

Key Takeaway: Amneal Pharmaceuticals has received FDA approval for its sodium oxybate oral solution, a treatment for narcolepsy. This approval allows Amneal to offer a more affordable option in a market previously dominated by a single manufacturer. Sodium oxybate is crucial for managing symptoms like excessive daytime sleepiness and cataplexy in patients aged 7 and older.
Price reaction · baseline $9.82 (2025-09-10 close) · hit pre-market · clean, no other AMRX news in the window
day 0 close · peak
+2.7%

Market Sentiment Analysis

POSITIVE FACTORS

  • FDA approval expands Amneal's product offerings.
  • Provides a more affordable alternative for narcolepsy treatment.
  • Addresses a critical therapy area for a rare neurological condition.

CONCERNS & RISKS

  • Potential adverse reactions include nausea and dizziness.
  • Limited historical competition in the sodium oxybate market.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+90%
120-day peak, hindsight
Typical move
3.6%
average across 12 past catalysts
Cash runway
~19 mo
Low dilution risk
Lead asset
Mometasone Furoate
Phase 3 · Seasonal Allergic Rhinitis

Full Press Release Details

BRIDGEWATER, N.J, Sept. 11, 2025 (GLOBE NEWSWIRE) -- Amneal Pharmaceuticals, Inc. (“Amneal” or the “Company”) today announced the U.S. Food and Drug Administration (FDA) approval of Amneal’s sodium oxybate oral solution 500 mg/mL Abbreviated New Drug Application (ANDA) which references Jazz Pharmaceuticals’ Xyrem®. Amneal had previously been distributing an authorized generic of sodium oxybate oral solution in limited quantities.
Sodium oxybate oral solution is a central nervous system depressant indicated for the treatment of cataplexy or excessive daytime sleepiness in patients 7 years of age and older with narcolepsy. Narcolepsy is characterized by excessive daytime sleepiness, sudden sleep attacks, and cataplexy, a sudden loss of muscle control often triggered by emotions and sodium oxybate is considered a standard of care therapy in narcolepsy due to its ability to consolidate nighttime sleep and significantly reduce cataplexy episodes.
“This approval expands Amneal’s Affordable Medicines portfolio into a critical therapy area for patients living with narcolepsy, a rare neurological condition that affects approximately 150,000 individuals in the United States,” said Tony Rosa, Senior Vice President, Retail Affordable Medicines. “By offering sodium oxybate, Amneal is providing patients, providers, and payers with a more affordable alternative in a therapeutic category that has historically been limited to a single manufacturer.”
The most common adverse reactions in adults taking sodium oxybate oral solution include nausea, dizziness, vomiting, somnolence, enuresis (bedwetting), and tremor. In pediatric patients the most common adverse events were nausea, enuresis, vomiting, headache, weight decrease, decreased appetite, dizziness, and sleepwalking. Full prescribing information including boxed warning is availablehere.
About AmnealAmneal 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 visitwww.amneal.comand follow us onLinkedIn.
Cautionary Statement on Forward-Looking StatementsCertain 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 ContactAnthony DiMeoVP, Investor Relationsanthony.dimeo@amneal.comMedia ContactBrandon SkopSr. Director, Corporate Communicationsbrandon.skop@amneal.com

Frequently Asked Questions

What is sodium oxybate used for?

Sodium oxybate is used to treat cataplexy and excessive daytime sleepiness in narcolepsy patients.

Who is eligible for sodium oxybate treatment?

Patients aged 7 years and older with narcolepsy are eligible for sodium oxybate treatment.

What are common side effects of sodium oxybate?

Common side effects include nausea, dizziness, and enuresis (bedwetting).

How does Amneal's product differ from others?

Amneal's sodium oxybate offers a more affordable alternative in a previously limited market.

What is the significance of this FDA approval?

The approval expands access to a critical therapy for narcolepsy patients, impacting approximately 150,000 individuals.

Last updated: Sep 11, 2025