Study of Disitamab Vedotin Combined With Gemcitabine in Neoadjuvant Treatment of Urothelial Carcinoma
Radical Cystectomy, Urothelial Carcinoma
About this trial
This is an interventional treatment trial for Radical Cystectomy
Eligibility Criteria
Inclusion Criteria: Subjects voluntarily joined the study, signed the informed consent form, and were able to follow the study and follow-up procedures Age 18-75 Suitable and planned for radical cystectomy (including lymph node dissection) Clinical stage T2-T4aN0M0 (CT/MR/PET-CT evaluation) Pathologically, it is urothelial carcinoma, and the patient has HER2 expression and refuses neoadjuvant chemotherapy or physical condition/renal function [glomerular filtration rate (GFR) 30-60mL/min], which is not suitable for neoadjuvant chemotherapy (pathology allows urothelial carcinoma to merge with other variant subtypes, with urothelial carcinoma as the main type) ECOG score 0 or 1 There is residual tumor after TURBT (cystoscopy or imaging evidence) The blood test of subjects should meet the following requirements Exclusion Criteria: Receive live attenuated vaccine within 4 weeks before enrollment or during the study period. Have received systemic chemotherapy and targeted therapy of anti-PD-1, PD-L1 and HER2 in the past 6 months Known allergy to gemcitabine/RC48 and its components Active, known or suspected autoimmune diseases. A history of primary immunodeficiency is known.
Sites / Locations
- Tongji Hospital affiliated to Tongji Medical College of Huazhong University of Science and TechnologyRecruiting
- Tongji HospitalRecruiting
Arms of the Study
Arm 1
Experimental
Vidiximab and Gemcitabine Neoadjuvant therapy
Vidiximab (RC48) 2.0mg/kg, once every two weeks, intravenous drip (60-90 min); Gemcitabine is 1000mg/m2, once every 2 weeks