Altimmune Inc. has announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy Designation for pemvidutide, a balanced 1:1 glucagon/GLP-1 dual receptor agonist, for the treatment of metabolic dysfunction-associated steatohepatitis (MASH). The designation was based on 24-week data from the IMPACT Phase 2b trial, which demonstrated statistically significant MASH resolution without worsening of fibrosis, as well as early and substantial improvements in liver fat and non-invasive tests of fibrosis and hepatic inflammation. In December 2025, Altimmune reported 48-week topline data showing continued statistically significant improvements versus placebo in key non-invasive tests, further weight loss, and a favorable tolerability profile. The company plans to initiate a Phase 3 trial evaluating multiple pemvidutide doses over a 52-week treatment period, incorporating biopsy-based endpoints and the use of AIM-MASH AI Assist, an FDA-qualified AI pathology tool.
Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Altimmune Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 9619588) on January 05, 2026, and is solely responsible for the information contained therein.
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