Merck has agreed to acquire Terns Pharmaceuticals in a $6.7 billion all-cash transaction, aiming to bolster its cancer drug development pipeline ahead of Keytruda's patent expiry in 2028. The move marks a strategic effort to maintain competitiveness in the oncology market.
- Merck to acquire Terns Pharmaceuticals for $6.7 billion in an all-cash transaction
- Keytruda's patent protection is set to expire in 2028
- Acquisition aims to strengthen Merck's oncology pipeline
- Terns Pharmaceuticals has clinical-stage cancer therapies
- Deal is expected to close in the second half of 2026
- Other major players in the sector include PFE, BMY, and VRTX
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