Biotechnology US biotech Altimmune has secured $225 million in funding at closing, along with an additional $225 million warrant tranche, to advance its lead candidate, pemvidutide, a dual-action therapy targeting glucagon and GLP-1 receptors for treating metabolic dysfunction-associated steatohepatitis (MASH), alcohol use disorder (AUD), and alcohol-associated liver disease (ALD). 28 April 2026