Merck to buy Terns Pharmaceuticals for $6.7 billion to boost cancer pipeline

Merck is trying to bulk up its portfolio ahead of its best-selling cancer drug Keytruda losing patent protection in 2028.

Merck to buy Terns Pharmaceuticals for $6.7 billion to boost cancer pipeline

Pharma giant Merck is buying U.S. biotech firm Terns Pharmaceuticals for $6.7 billion, the company said Wednesday.

This is the third multibillion-dollar acquisition for Merck over the past year as the company looks to bulk up its portfolio ahead of its best-selling cancer drug Keytruda losing patent protection in 2028.

Terns shares rose 5.3% while Merck stock was largely flat in premarket trading.

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