Akero Therapeutics, Inc. reported a mixed Phase IIb data readout for its FGF21 analog efruxifermin (EFX) in non-alcoholic steatohepatitis patients with cirrhosis on 10 October that led the stock to plummet, though multiple analysts praised the data as potentially best-in-class. The data also appeared to damage sentiment around the FGF21 class, as Akero’s direct competitor 89bio, Inc. also suffered a steep decline in share price.
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