PRINCETON, N.J.--(BUSINESS WIRE)--Medarex, Inc. (NASDAQ:MEDX) today announced it will receive a milestone payment of an undisclosed amount from Novartis Pharma AG (Novartis), in connection with the marketing approval from the U.S. Food and Drug Administration (FDA), to market Ilaris® (canakinumab, previously known as ACZ885) for the treatment of children as young as four years old and adults with cryopyrin-associated periodic syndrome, or CAPS, a serious life-long auto-inflammatory disease caused by rare genetic mutations.