Sacituzumab Govitecan, Preceding Radical Cystectomy, in Treating Patients With Muscle-invasive Bladder Cancer

Sacituzumab govitecan is a humanized monoclonal antibody (mAb) with a hydrolyzable linker through which SN-38 is conjugated to the humanized mAb hRS7 IgG1κ to enhance the delivery of SN-38 to Trop-2- expressing tumors while reducing systemic toxicity. SN-38 is the active metabolite of irinotecan. Sacituzumab govitecan is administered at 7.5 mg/kg as an IV infusion on days 1 and 8 of a 21- day cycle till progression, toxicity or withdrawal of consent