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Madrigal Pharmaceuticals Announces Three New Resmetirom Patents, Strengthening IP Portfolio

$MDGLPress releaseJul 13, 2026, 8:00 AM ETRead the release

Madrigal Pharmaceuticals announced the issuance of three new U.S. patents for Rezdiffra (resmetirom), covering dosing methods for F2/F3 MASH and a new indication for well-compensated cirrhosis. The patents extend intellectual property protection to 2045 for F2/F3 dosing with CYP2C8 inhibitors and to 2042 for the F4c indication and co-administration with rosuvastatin.

Key figures

Drug Name
Rezdiffra (resmetirom)
Patent numbers
["12,667,575","12,661,359","12,661,361"]
F4c protection year
2042
F2 f3 protection year
2045

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