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Trial resultsApr 28, 20221643 days ago

SURMOUNT-1 topline: tirzepatide up to 22.5% weight loss

Eli Lilly and Company reported results from its Phase 3 study of tirzepatide (Zepbound) for Obesity on Apr 28, 2022. The linked source has what the numbers showed.

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DetailsClinical trial results · also called: readout / topline data
Company
Eli Lilly and Company LLY
Drug
tirzepatide (Zepbound)
For
Obesity
Stage
Phase 3 · the last stage before a drug can be approved
When
Apr 28, 2022
Source note
Phase 3 obesity readout that reset expectations for the incretin class.
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Eli Lilly and Company
2 upcoming · 7 past catalysts
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FDA decisionLLYEli Lilly and CompanyH2 2026

The FDA is expected to decide in the second half of 2026 (no exact date yet) whether to approve Eli Lilly and Company’s Tirzepatide (Mounjaro) for Reduction of major adverse cardiovascular events in type 2 diabetes. Approval clears it for sale in the US; a rejection usually arrives as a letter listing what has to be fixed first.

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Entry
FDA decision on tirzepatide MACE-reduction indication (SURPASS-CVOT) · FDA decision due (PDUFA date)
Drug
Tirzepatide (Mounjaro)
For
Reduction of major adverse cardiovascular events in type 2 diabetes
Stage
sNDA under review
When
H2 2026 · the company gave a window, not a day
Source note
Prime Therapeutics' GLP-1 pipeline tracker (May 2026) says an FDA decision on the SURPASS-CVOT-based CV indication is expected mid-2026; pdufa.bio estimates Q4 2026. No exact PDUFA date has been disclosed by Lilly, and the decision may land at any point in H2 2026 — verify current status before publishing.
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page

MilestoneLLYEli Lilly and CompanyQ1 2027

Retatrutide US regulatory submission for obesity planned Q1 2027, expected in Q1 2027 (Jan–Mar) (no exact date yet). A company milestone for Eli Lilly and Company (Retatrutide (GIP/GLP-1/glucagon triple agonist) for Obesity / chronic weight management): a step in the program rather than a decision or a data readout.

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Entry
Retatrutide US regulatory submission for obesity planned Q1 2027 · Company milestone
Drug
Retatrutide (GIP/GLP-1/glucagon triple agonist)
For
Obesity / chronic weight management
Stage
Phase 3 · the last stage before a drug can be approved
When
Q1 2027 · the company gave a window, not a day
Source note
After positive Phase 3 TRIUMPH-1/-2/-3 topline results (up to ~30% average weight loss), Lilly said it is completing the CMC package and plans to submit retatrutide for US approval in Q1 2027 (reported by CNBC from company statements, July 23, 2026). An FDA decision would follow in 2027 or later depending on review designation.
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page