Biotech Tracker
ApprovalMar 14, 2024957 days ago

FDA approval of Rezdiffra: first NASH drug

The FDA approved Madrigal’s Rezdiffra (resmetirom) for NASH/MASH on Mar 14, 2024. The company can now sell it in that market.

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

DetailsRegulatory approval
Company
Madrigal Pharmaceuticals, Inc. MDGL
Drug
Rezdiffra (resmetirom)
For
NASH/MASH
When
Mar 14, 2024
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Madrigal Pharmaceuticals, Inc.
2 upcoming · 4 past catalysts
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MilestoneMDGLMadrigalQ4 2026

Ervogastat/resmetirom drug-drug interaction study start, expected in Q4 2026 (Oct–Dec) (no exact date yet). A company milestone for Madrigal (Rezdiffra (resmetirom) + ervogastat for MASH combination): a step in the program rather than a decision or a data readout.

More details
Entry
Ervogastat/resmetirom drug-drug interaction study start · Company milestone
Drug
Rezdiffra (resmetirom) + ervogastat
For
MASH combination
Stage
Phase 1 · an early safety study in a small group of people
When
Q4 2026 · the company gave a window, not a day
Source note
From Madrigal's Q1 2026 results release (May 6, 2026). Madrigal's Q2 2026 release (Jul 30, 2026) gave no new dated milestones; MAESTRO-NASH OUTCOMES F4c readout remains 2027 (already listed).
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page

Trial resultsMDGLMadrigal2027

Madrigal expects to report results from its Phase 3 study of Rezdiffra (resmetirom) for Compensated MASH cirrhosis (F4c) during 2027 (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
MAESTRO-NASH OUTCOMES Phase 3 topline: Rezdiffra in compensated MASH cirrhosis (F4c) · Clinical trial results (readout / topline data)
Drug
Rezdiffra (resmetirom)
For
Compensated MASH cirrhosis (F4c)
Stage
Phase 3 · the last stage before a drug can be approved
When
2027 · the company gave a window, not a day
Source note
Q2 2026 press release (July 30, 2026): company expects the event-driven MAESTRO-NASH OUTCOMES study to read out in 2027, with events accruing in line with that timeframe. Success would add an F4c indication and support full approval in noncirrhotic MASH. Year-level precision only.
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Plain-English summary generated from this entry’s own fields (drug, condition, stage, date). Glossary · Open this catalyst’s page