Exclusives | Global

Merck, rivals eye deal for Inhibrx experimental cancer drug tied to Keytruda, sources say

22 April 2026, 9:51 am
1 min read
FILE PHOTO: Merck and Keytruda logos are seen in this illustration taken March 26, 2025. REUTERS/Dado Ruvic/Illustration/File Photo

Inhibrx Biosciences has drawn interest from drugmakers including Merck & Co, Germany’s Merck and Japan’s Ono Pharmaceutical for an experimental cancer treatment that could be valued at more than $8 billion, people familiar with the matter said. 

Why it matters

Inhibrx has said it believes its drug can boost the efficacy of New Jersey-based Merck’s more than $30-billion-a-year immunotherapy, the world’s top-selling prescription medicine. Shares of biotech firm surged more than 85% on the Reuters report. 

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