Oncopeptides AB...today announces that the European Commission has granted Pepaxti (melphalan flufenamide, also called melflufen) marketing authorization in combination with dexamethasone, for the treatment of adult patients with multiple myeloma who have received at least three prior lines of therapies, whose disease is refractory to at least one proteasome inhibitor, one immunomodulatory agent, and one anti-CD38 monoclonal antibody, and who have demonstrated disease progression on or after the last therapy.