J&J and Sanofi's multiple myeloma tit-for-tat continues, as subcutaneous Darzalex wins combo approval

J&J and Sanofi have gone back and forth in their multiple myeloma tug-of-war. Earlier this year, Sanofi notched an approval of Sarclisa in combination with Amgen’s Kyprolis to try to outflank the big conglomerate, but J&J is clapping back.