# 7.5F Versus 9.2F Flexible Ureteroscopy for the Treatment of 1-2cm Renal Calculi on Postoperative Infection

> **NCT05231577** · NA · UNKNOWN · sponsor: **The First Affiliated Hospital of Guangzhou Medical University** · enrollment: 80 (estimated)

## Conditions studied

- Kidney Stones

## Interventions

- **PROCEDURE:** 7.5fr ultra-fine ureteroscopy
- **PROCEDURE:** 9.2fr Ureteroscopy

## Key facts

- **NCT ID:** NCT05231577
- **Lead sponsor:** The First Affiliated Hospital of Guangzhou Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-02-01
- **Primary completion:** 2022-08-31
- **Final completion:** 2022-08-31
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2022-02-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05231577

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05231577, "7.5F Versus 9.2F Flexible Ureteroscopy for the Treatment of 1-2cm Renal Calculi on Postoperative Infection". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05231577. Licensed CC0.

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