# Use of a Ureteral Access Sheath During Ureteroscopy and Its Effect on Stone Free Rate

> **NCT00199524** · PHASE4 · TERMINATED · sponsor: **London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's** · enrollment: 44 (actual)

## Conditions studied

- Urinary Calculi

## Interventions

- **DEVICE:** Navigator Ureteral Access Sheath

## Key facts

- **NCT ID:** NCT00199524
- **Lead sponsor:** London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2005-05
- **Primary completion:** 2009-03
- **Final completion:** 2009-05
- **Target enrollment:** 44 (ACTUAL)
- **Why stopped:** Enrollment was slower than anticipated.
- **Last updated:** 2009-10-14

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00199524

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00199524, "Use of a Ureteral Access Sheath During Ureteroscopy and Its Effect on Stone Free Rate". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT00199524. Licensed CC0.

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