Merck to Acquire Cidara Therapeutics for $9.2B to Enhance Antiviral Portfolio
ByAinvest
Friday, Nov 14, 2025 7:16 am ET1min read
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Merck is acquiring Cidara Therapeutics for $9.2 billion in a cash deal. The takeover will strengthen Merck's antiviral portfolio, particularly with CD388, a late-stage flu prevention drug. This move comes as Merck looks to maintain revenue momentum before Keytruda loses patent protection in 2028. The deal is expected to close in Q1 2026, subject to certain conditions.
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