- Conditions
- Bladder Small Cell Neuroendocrine Carcinoma, Castration-Resistant Prostate Carcinoma, Metastatic Bladder Urothelial Carcinoma, Metastatic Urethral Urothelial Carcinoma, Prostate Carcinoma Metastatic in the Bone, Prostate Neuroendocrine Neoplasm, Prostate Small Cell Carcinoma, Stage III Bladder Cancer American Joint Committee on Cancer ( AJCC) v8, Stage III Prostate Cancer AJCC v8, Stage III Urethral Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8, Stage IV Urethral Cancer AJCC v8, Stage IVA Bladder Cancer AJCC v8, Stage IVB Bladder Cancer AJCC v8, Ureter Small Cell Carcinoma, Urothelial Carcinoma
- Interventions
- Carboplatin, Cisplatin, Docetaxel, Etoposide, Pembrolizumab
- Drug · Biological
- Lead sponsor
- Jonsson Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced May 21, 2026, 11:07 PM EDT