Fam-trastuzumab deruxtecan-nxki (Enhertu®, Daiichi Sankyo) has recently been FDA approved for the treatment of adult patients with locally advanced or metastatic human epidermal growth factor receptor 2 (HER2)-positive gastric or gastroesophageal adenocarcinoma previously treated with a trastuzumab-based regimen. In this interview with i3 Health, Kohei Shitara, MD, Chief of the Department of Gastrointestinal Oncology at the National Cancer Center Hospital East in Kashiwa, Japan, and lead investi...