Study Protocol for Evaluating the Efficacy of Postoperative Adjuvant Chemotherapy Drugs for Bladder Cancer Based on Organoid Technology.
To evaluate the clinical efficacy of using tumor organoid drug sensitivity experiments to guide postoperative adjuvant chemotherapy in patients with muscle-invasive bladder cancer, and to assess the application value of tumor organoid drug sensitivity experiments in guiding individualized postoperative adjuvant chemotherapy for muscle-invasive bladder cancer.
• 1\. Age between 18 and 80 years, any gender; 2. For patients undergoing radical cystectomy, if the pathology meets inclusion criterion No. 3, tissue from the surgical specimen will be used for organoid culture; 3. Patients with pT3-pT4 and/or lymph node-positive MIBC who require adjuvant chemotherapy after surgery; 4. Patients who can tolerate platinum-based chemotherapy; 5. ECOG performance status of 0-2; 6. According to the investigator's judgment, able to comply with the study protocol, demonstrate good adherence, cooperate with the monitoring of adverse events and efficacy, and comply with follow-up; 7. Willing to voluntarily participate in this clinical trial, understand the study procedures, and have signed the informed consent form to participate in this study.