# Flexible Ureteroscopy With a Flexible and Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for 1-2 cm Lower Pole Kidney Stones

> **NCT07159035** · NA · ACTIVE_NOT_RECRUITING · sponsor: **The First Affiliated Hospital of Guangzhou Medical University** · enrollment: 640 (estimated)

## Conditions studied

- Kidney Stones

## Interventions

- **PROCEDURE:** Flexible ureteroscopy with FANS
- **PROCEDURE:** Mini-percutaneous nephrolithotomy (mini-PCNL)

## Key facts

- **NCT ID:** NCT07159035
- **Lead sponsor:** The First Affiliated Hospital of Guangzhou Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-08-28
- **Primary completion:** 2026-05-01
- **Final completion:** 2026-06-30
- **Target enrollment:** 640 (ESTIMATED)
- **Last updated:** 2026-05-18

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07159035

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07159035, "Flexible Ureteroscopy With a Flexible and Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for 1-2 cm Lower Pole Kidney Stones". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT07159035. Licensed CC0.

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