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MilestoneAug 2026a window, not a day

Tulisokibart Ph3 ATLAS UC trial primary completion

Tulisokibart Ph3 ATLAS UC trial primary completion, in Aug 2026. A company milestone for Merck & (tulisokibart (MK-7240) for Moderately-to-severely active ulcerative colitis): a step in the program rather than a decision or a data readout.

Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary

DetailsCompany milestone
Company
Merck & Co., Inc. MRK
Drug
tulisokibart (MK-7240)
For
Moderately-to-severely active ulcerative colitis
Stage
Phase 3 · the last stage before a drug can be approved
When
Aug 2026 · the company gave a window, not a day; the calendar never invents one
Source note
Merck Q2 2026 slides list the ATLAS UC primary completion in August among milestones expected in the next six months; the Q2 release already reported induction-only ATLAS-UC met primary endpoints, so this likely gates the remaining/maintenance data. Slides also list 'Presentation of detailed findings from Phase 2 study in HS' for tulisokibart in the same window.
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Merck & expects to report results from its Phase 3 study of sacituzumab tirumotecan (MK-2870) for Advanced/recurrent endometrial cancer (TroFuse-005) in the second half of 2026 (no exact date yet). Phase 3 is the last stage before a drug can be approved, so this result usually decides the program’s future.

More details
Entry
Sac-TMT TroFuse-005 endometrial cancer detailed Ph3 data presentation · Clinical trial results (readout / topline data)
Drug
sacituzumab tirumotecan (MK-2870)
For
Advanced/recurrent endometrial cancer (TroFuse-005)
Stage
Phase 3 · the last stage before a drug can be approved
When
H2 2026 · the company gave a window, not a day
Source note
Merck Aug 4, 2026 Q2 earnings slides list this under milestones 'expected over next six months' (Aug 2026-Jan 2027); no congress named, so H2 2026 is an approximation of that window. Topline (OS and PFS met) was announced in Q2 2026.
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page