# Rate of Spontaneous Stone Passage as Assessed Using Urinary Ultrasonography and Direct Urinary System Radiography

> **NCT04550559** · NA · COMPLETED · sponsor: **Avrasya University** · enrollment: 149 (actual)

## Conditions studied

- Ureteral Calculi
- Masturbation

## Interventions

- **PROCEDURE:** Endoscopic ureterolitotripsy

## Key facts

- **NCT ID:** NCT04550559
- **Lead sponsor:** Avrasya University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-02-01
- **Primary completion:** 2020-03-31
- **Final completion:** 2020-03-31
- **Target enrollment:** 149 (ACTUAL)
- **Last updated:** 2020-09-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04550559

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04550559, "Rate of Spontaneous Stone Passage as Assessed Using Urinary Ultrasonography and Direct Urinary System Radiography". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04550559. Licensed CC0.

---

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