lenvatinibRC48Disitamab vedotinHuazhong University of Science and TechnologyTongji Medical CollegeChemotherapyadvanced biliary tract cancer (BTC)human epidermal growth factor receptor 2 (HER2)-positive BTCUnion Hospital
…e enrolled in this study to receive the combination of RC48 and lenvatinib. The primary study endpoint is objective response rate, and the…