To date, only three ADCs have received market approval.
Brentuximab vedotin[REF] was granted accelerated approval by the U.S. Food and Drug Administration (FDA) on August 19, 2011 for relapsed HL and relapsed sALCL and conditional Marketing authorization from the European Medicines Agency in October 2012 for relapsed or refractory HL and relapsed or refractory sALCL.