Question · Q4 2025
Carter Gould inquired about Merck's strategy for pursuing combinations with its TL1A inhibitor, Tulisokibart, especially in light of competitors' rapid advancements with IL-23 combinations and multi-specifics, while acknowledging the near-term focus on Atlas UC.
Answer
Dean Li, President of Research Labs, positioned TL1A as a potential third class in immunology, aiming for Tulisokibart to be first and best-in-class. He confirmed that while the immediate focus is on ulcerative colitis and Crohn's disease, Merck has a robust plan for future combinability strategies, including two separate antibodies, bispecifics, and orals, but declined to elaborate further on public call.
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