Karyopharm Therapeutics Inc. obtained approval for Xpovio (selinexor) to treat penta-refractory multiple myeloma patients on 3 July, with a full approval hinged on the ongoing Phase III BOSTON trial, despite safety concerns and other issues overhanging the drug.
Pessimism reigned regarding the chances for the first-in-class nuclear export inhibitor to gain accelerated approval following a US FDA advisory committee review in February, but