Testing the Addition of an Anti-cancer Drug, Pembrolizumab, to the Usual Intravesical Chemotherapy Treatment (Gemcitabine) for the Treatment of BCG-Unresponsive Non-muscle Invasive Bladder Cancer
ACTIVE_NOT_RECRUITING
Status
Conditions
- Bladder Flat Urothelial Carcinoma In Situ
- Non-Muscle Invasive Bladder Urothelial Carcinoma
- Stage 0a Bladder Cancer AJCC v8
- Stage 0is Bladder Cancer AJCC v8
- Stage I Bladder Cancer AJCC v8
Interventions
- PROCEDURE: Biopsy Procedure
- PROCEDURE: Biospecimen Collection
- PROCEDURE: Computed Tomography
- PROCEDURE: Cystoscopy
- DRUG: Gemcitabine Hydrochloride
- PROCEDURE: Magnetic Resonance Imaging
- BIOLOGICAL: Pembrolizumab
- PROCEDURE: Transurethral Resection of Bladder Tumor
Sponsor
National Cancer Institute (NCI)