# Diagnostic Values of Urothelial Carcinomas: Single-bolus Versus Split-bolus Computed Tomography Urography

> **NCT04113603** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Chang Gung Memorial Hospital** · enrollment: 352 (estimated)

## Conditions studied

- Urothelial Carcinoma

## Interventions

- **DIAGNOSTIC_TEST:** Urinary malignancy

## Key facts

- **NCT ID:** NCT04113603
- **Lead sponsor:** Chang Gung Memorial Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-06-01
- **Primary completion:** 2026-12-30
- **Final completion:** 2026-12-30
- **Target enrollment:** 352 (ESTIMATED)
- **Last updated:** 2026-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04113603

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04113603, "Diagnostic Values of Urothelial Carcinomas: Single-bolus Versus Split-bolus Computed Tomography Urography". Retrieved via AI Analytics 2026-07-23 from https://api.ai-analytics.org/clinical/NCT04113603. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*