# Ureteroscopic Lithotripsy for Renal Stones Using a Sheathless Approach or Using a Flexible and Navigable Ureteral Access Sheath (FANS)

> **NCT07741084** · NA · NOT_YET_RECRUITING · sponsor: **Haukeland University Hospital** · enrollment: 225 (estimated)

## Conditions studied

- Renal Stones

## Interventions

- **PROCEDURE:** Sheathless URS
- **PROCEDURE:** FANS, low power
- **PROCEDURE:** FANS, high power

## Key facts

- **NCT ID:** NCT07741084
- **Lead sponsor:** Haukeland University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-08-15
- **Primary completion:** 2027-03-31
- **Final completion:** 2027-06-30
- **Target enrollment:** 225 (ESTIMATED)
- **Last updated:** 2026-08-03

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07741084

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07741084, "Ureteroscopic Lithotripsy for Renal Stones Using a Sheathless Approach or Using a Flexible and Navigable Ureteral Access Sheath (FANS)". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07741084. Licensed CC0.

---

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