Active — Not RecruitingPhase 3

A Study of Sasanlimab in People With Non-muscle Invasive Bladder Cancer

United States1,068 participantsStarted 2019-12-30

Plain-language summary

The purpose of this study is to learn about the safety and effects of the study medicine (sasanlimab) in people with non-muscle invasive bladder cancer. This study is seeking participants whose bladder cancer is still in early stages, has not spread outside of the bladder, has been removed with surgery, and is high risk (Part A) or was previously treated with BCG (Bacillus Calmette Guerin), a standard treatment for bladder cancer (Part B). In Part A (enrollment closed), each participant was assigned to one of three study treatment groups. * One group is given sasanlimab and BCG at the study clinic. * The second group is given sasanlimab and BCG at the study clinic. This group will receive BCG for the first six weeks only. * The third group is given BCG only and will not receive sasanlimab. In Part B of the study, each new participant will be assigned to a study treatment group based on the type of their bladder tumor. \- Both groups will be given sasanlimab at the study clinic. On August 31, 2022, the Sponsor announced the discontinuation of enrollment to Part B. The decision to discontinue enrollment to Part B was not made for safety reasons.

Who can participate

Age range18 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Histological confirmed diagnosis of high risk non-muscle invasive transitional cell carcinoma (TCC) of the urothelium of the urinary bladder (tumors of mixed transitional/non-transitional cell histology are allowed, but TCC must be the predominant histology) * Complete resection of all Ta/T1 papillary disease (including participants with concurrent CIS), with most recent positive TURBT occurring within 12 weeks prior to randomization or study intervention. A second TURBT must have been performed if indicated according to the current locally applicable guidelines, ie, American Urological Association, European Association of Urology * (Cohorts B1 and B2 only): Histological confirmed diagnosis of BCG-unresponsive high-risk, non-muscle invasive TCC of the urothelium within 12 months (CIS only) or 6 months (recurrent Ta/T1 disease) of completion of adequate BCG therapy. * Have refused or are ineligible for radical cystectomy Exclusion Criteria: * Evidence of muscle-invasive, locally advanced or metastatic urothelial cancer or concurrent extravesical, non-muscle invasive TCC of the urothelium * (Cohort A only): Intravesical BCG therapy within 2 years prior to randomization. Prior intravesical chemotherapy for NMIBC is allowed. (Cohorts B1 and B2 only): Any systemic or intravesical chemotherapy or immunotherapy from the time of most recent positive TURBT to initiation of study intervention. * Prior immunotherapy with anti PD-1, anti PD-L1, anti PD-L2, or a…

What they're measuring

Cohort A: Event Free Survival (EFS) as Assessed by the Investigator: Arm A Versus Arm C

Timeframe: From randomization (Day 1) to first documentation of high-grade disease, progression of disease, persistence of CIS or death due to any cause, whichever occurred first (maximum follow up duration was up to 257.1 weeks)

Trial details

NCT IDNCT04165317

SponsorPfizer

Sponsor typeINDUSTRY

Study typeINTERVENTIONAL

Primary completion2024-12-02

Results submitted2025-11-24

View on ClinicalTrials.gov More Non-muscle Invasive Bladder Cancer trials