CHICAGO — Trastuzumab deruxtecan showed clinically meaningful activity against several types of HER2-expressing solid tumors, according to interim results of the DESTINY-PanTumor02 study presented at ASCO Annual Meeting.The HER2-directed antibody-drug conjugate, also known as T-DXd (Enhertu; AstraZeneca, Daiichi Sankyo), demonstrated the highest objective response rates and most durable