Bladder Cancer Clinical Trial
Official title:
A Prospective, Single-arm, Exploratory Study on the Efficacy and Safety of Neoadjuvant Adebrelimab Plus Etoposide and Cisplatin in Patients With Neuroendocrine Bladder Carcinoma
The goal of this clinical trial is to learn about the efficacy and safety of neoadjuvant adebrelimab plus etoposide and cisplatin in patients with neuroendocrine bladder carcinoma. The main questions it aims to answer are: - The pathologic complete response rate at radical cystectomy - Safety and tolerability of combination therapy Participants will be treated with a combination therapy of adebrelimab, etoposide, and cisplatin before radical cystectomy, with a maximum of 4 cycles.
This is an prospective, single-arm, open-label clinical study of neoadjuvant adebrelimab in combination with etoposide and cisplatin in patients with neuroendocrine bladder carcinoma. Approximately 22 participants will be enrolled in this study to evaluate the efficacy and safety of neoadjuvant adebrelimab, cisplatin and etoposide. The study population will include male and female patients over the age of 18 with invasive (cT1-cT4) neuroendocrine carcinoma of the bladder, with or without urothelial component (neuroendocrine component should be >50%). Patients with resectable N1-3 disease (judged by investigators) are eligible. Patients should be fit to undergo cystectomy with normal function of vital organs. Participants will be intravenously treated with adebrelimab (1200mg, day 1) in combination with etoposide (0.1g, day 1-3) and cisplatin (35mg/m2, day 1-2) every 21 days for a maximum of 4 cycles. Radical cystectomy, lymph node dissection and urine diversion will be performed after the completion of therapy. ;
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