First HER2 directed medicine approved for patients with gastric cancer in a decadeTOKYO & MUNICH & BASKING RIDGE, N.J.--(BUSINESS WIRE)--Daiichi Sankyo Company, Limited (hereafter, Daiichi Sankyo) and AstraZeneca’s ENHERTU® (fam-trastuzumab deruxtecan-nxki) has been approved in the U.S. for the treatment of adult pa...