Merck says Phase 3 trial shows tulisokibart meets primary endpoint in ulcerative colitis study

Merck & Co., Inc.

Merck & Co., Inc.

MRK

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  • Merck reported positive topline results from its Phase 3 ATLAS-UC induction-only study of tulisokibart in moderately to severely active ulcerative colitis.
  • The trial met the primary endpoint on clinical remission at 12 weeks, also achieving key secondary goals, supporting a potential new biologic option.
  • No new safety signals were identified, consistent with earlier mid-stage studies.
  • Results have not yet been presented; Merck expects to present them at an upcoming scientific congress, alongside data from an ongoing induction and maintenance study.
  • The readout strengthens Merck’s position in the emerging anti-TL1A class, where tulisokibart is being tested across multiple inflammatory indications.


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