ODAC votes overwhelmingly in support of PD-L1 expression as predictive biomarker for efficacy of checkpoint inhibitors

FDA has approved Vyloy (zolbetuximab-clzb), a claudin 18.2-directed cytolytic antibody, with fluoropyrimidine- and platinum-containing chemotherapy, for the first-line treatment of adults with locally advanced unresectable or metastatic human epidermal growth factor receptor 2-negative gastric or gastroesophageal junction adenocarcinoma whose tumors are CLDN18.2 positive, as determined by an FDA-approved test.