The fibroblast growth factor 21 (FGF21) analogue space took another turn as Novo Nordisk A/S said during its second-quarter financial update that work with zalfermin (NNC0194-0499) will be discontinued. A phase II study testing the compound in combination with glucagon-like peptide-1 therapy failed to hit the primary endpoint related to liver fibrosis in metabolic dysfunction-associated steatohepatitis (MASH), without MASH worsening.