# A Multi-Center Natural History of Urothelial Cancer and Rare Genitourinary Tract Malignancies

> **NCT04923178** · — · RECRUITING · sponsor: **National Cancer Institute (NCI)** · enrollment: 1100 (estimated)

## Conditions studied

- Urothelial Cancer
- Bladder Cancer
- Genitourinary Cancer
- Urogenital Neoplasms
- Urogenital Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04923178
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2022-10-24
- **Primary completion:** 2041-12-01
- **Final completion:** 2042-12-01
- **Target enrollment:** 1100 (ESTIMATED)
- **Last updated:** 2026-01-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04923178

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04923178, "A Multi-Center Natural History of Urothelial Cancer and Rare Genitourinary Tract Malignancies". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04923178. Licensed CC0.

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