11/14/2025
Merck to Acquire Cidara Therapeutics in $9.2 Billion Deal, Strengthening Its Antiviral Pipeline
Merck has announced a major expansion of its infectious disease portfolio with a definitive agreement to acquire Cidara Therapeutics, Inc. for approximately $9.2 billion. The all-cash transaction, valued at $221.50 per share, brings Cidara’s late-stage antiviral candidate CD388 directly into Merck’s pipeline as the company seeks to diversify its portfolio with innovative, long-acting preventative treatments.
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