Status:

RECRUITING

Investigation Into the Integration of Intracavitary Cryoablation and Immunotherapy in Bladder-Preserving Therapy

Lead Sponsor:

Changhai Hospital

Conditions:

Bladder Cancer

Eligibility:

All Genders

18-85 years

Phase:

NA

Brief Summary

Professional Translation: This study is a single-center, prospective, non-randomized, parallel-controlled clinical trial initiated and conducted by the Department of Urology at the First Affiliated H...

Eligibility Criteria

Inclusion

  • Age between 18 and 85 years old, gender not restricted;
  • Clinically diagnosed as patients with bladder tumors, and classified as high-risk non-muscle-invasive bladder cancer through biopsy or TURBT staging.
  • \* High-risk non-muscle bladder cancer is defined as meeting any of the following criteria: ① T1 stage tumor; ② High-grade urothelial carcinoma; ③ Simultaneously meeting: multiple, recurrent and diameter \> 3cm bladder cancer;
  • The number of tumors is no more than 5;
  • Have the intention to preserve the bladder;
  • Voluntarily sign the informed consent form and be able to cooperate throughout the trial.

Exclusion

  • Preoperative imaging indicated involvement of organs around the bladder (such as ureters, prostate, rectum, etc.), the pelvic or abdominal wall, or lymph node metastasis (N1) and distant metastasis (M1) stage;
  • Preoperative imaging indicated hydronephrosis, pathology suggested carcinoma in situ or diagnostic TURBT indicated diffuse tumor growth during the procedure;
  • Known to be allergic to chemotherapy drugs and/or immunotherapy drugs;
  • Complicated with severe infectious diseases such as bacteremia and toxemia;
  • Complicated with severe coagulation dysfunction;
  • Suffering from serious diseases such as heart, brain, lung, liver, kidney, etc., and unable to tolerate surgery;
  • Suffering from other malignant tumors;
  • Pregnant or lactating women;
  • Complicated with severe complications such as urethral stenosis that cannot tolerate cystoscopy surgery;
  • Complicated with prohibited medications, including systemic anti-tumor drugs and immunosuppressants;
  • Participating in other clinical trials simultaneously;
  • Other situations that the investigator considers inappropriate for participating in this clinical trial.

Key Trial Info

Start Date :

September 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2027

Estimated Enrollment :

180 Patients enrolled

Trial Details

Trial ID

NCT07204132

Start Date

September 1 2025

End Date

September 1 2027

Last Update

October 2 2025

Active Locations (1)

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1

ChangHai Hospital

Shanghai, Shanghai Municipality, China, 200433