Status:

RECRUITING

Neoadjuvant Toripalimab in Combination with Gemcitabine and Cisplatin Therapy in Local Advanced Bladder Cancer Subjects

Lead Sponsor:

Zhujiang Hospital

Conditions:

Urinary Bladder Cancer

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

This is a pre-surgical study involving subjects with local advanced bladder cancer, who are candidates for neoadjuvant therapy. It is a single-arm phase II portion.

Detailed Description

Outline: This study is a single-arm, open, exploratory clinical trial; Subjects receive: gemcitabine 1000mg/m2 IV Day1 and Day8 every 21 days repeated for 4 cycles; cisplatin 35mg/m2 IV Day1 and Day2...

Eligibility Criteria

Inclusion

  • Patients between 18 and 75 years old on day of signing informed consent, regardless of gender;
  • ECOG score 0-1 points, expected survival time\> 6 months;
  • Pathologically confirmed locally advanced bladder urothelial carcinoma (cT2-T4a, N≤1, M0, tumor staging according to American Joint Committee on Cancer (AJCC), 2017, eighth edition);
  • Appropriate and plan for radical cystectomy;
  • According to the RECIST1.1 standard, there is at least one measurable lesion (spiral CT scan ≥10mm);
  • Since the diagnosis of locally advanced bladder urothelial carcinoma, patient has not received anti-tumor system treatment;
  • The main organ functions are normal, and the following requirements must be met within 2 weeks before the first study treatment:
  • Routine blood examination must meet: WBC≥4.0×109/L; PLT≥90×109/L; Hb≥90g/L (patients can be infused with red blood cells to meet this standard);
  • Blood biochemical examination must meet: serum creatinine (Cr) ≤1.5 times the upper limit of normal (ULN) or endogenous creatinine clearance ≥60mL/min; TBIL≤1.5×ULN; ALB≥30g/L; ALT and AST≤ 3.0×ULN; TSH≤1.5×ULN.
  • Female patients with fertility must undergo a pregnancy test (serum or urine) within 7 days before enrollment, and the result is negative, and they voluntarily adopt appropriate methods of contraception during the observation period and within 8 weeks after the last administration;
  • Agree to provide diagnosis and treatment-related tumor tissue specimens for clinical research, and have the ability to follow the planned research visit until the clinical recurrence/progress is clear.
  • Sign informed consent voluntarily.

Exclusion

  • Have previously received anti-PD1/PDL1/CTLA-4 antibody treatment or systemic chemotherapy, bladder infusion chemotherapy is excluded;
  • Have received bladder bacille Calmette Guerin (BCG) infusion therapy within 4 weeks;
  • Have received radiotherapy of the bladder in the past;
  • Patients with any history of active autoimmune disease or autoimmune disease;
  • Complicated diseases that require the use of immunosuppressive drugs; concurrent diseases that require the use of immunosuppressive agents for systemic or locally absorbable corticosteroids. It is forbidden to use prednisone greater than 10 mg/day or the same dose in the 2 weeks before the use of the study drug;
  • Combined with other malignant tumors;
  • Have a history of allergy to other antibody drugs;
  • The history of human immunodeficiency virus (HIV) infection;
  • The subject has active infection, including active tuberculosis;
  • Combined with severe heart disease, or combined with New York Heart Association (NYHA) grade 3 or 4 cardiac insufficiency;
  • Kidney transplant patients;

Key Trial Info

Start Date :

June 3 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 3 2027

Estimated Enrollment :

41 Patients enrolled

Trial Details

Trial ID

NCT04861584

Start Date

June 3 2021

End Date

April 3 2027

Last Update

December 4 2024

Active Locations (1)

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Zhujiang Hospital

Guangzhou, Guangdong, China, 510282