The rough ride presaged by briefing documents came to pass for GSK plc with the drug first approved by the U.S. FDA as Blenrep (belantamab mafodotin, bel-maf), as the agency’s Oncologic Drugs Advisory Committee (ODAC) appraised the possibility that the antibody-drug conjugate could return to market for relapsed/refractory multiple myeloma (r/r MM).