# Efficacy and Safety of Narrow Focus (F1) Versus Wide Focus (F3) of Shock Wave Lithotripsy (SWL) for Renal Calculi

> **NCT04759599** · NA · UNKNOWN · sponsor: **Benha University** · enrollment: 140 (estimated)

## Conditions studied

- Renal Stone
- Treatment Side Effects

## Interventions

- **PROCEDURE:** Shock Wave Lithotripsy (SWL)

## Key facts

- **NCT ID:** NCT04759599
- **Lead sponsor:** Benha University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-02-01
- **Primary completion:** 2023-09-30
- **Final completion:** 2023-09-30
- **Target enrollment:** 140 (ESTIMATED)
- **Last updated:** 2023-08-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04759599

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04759599, "Efficacy and Safety of Narrow Focus (F1) Versus Wide Focus (F3) of Shock Wave Lithotripsy (SWL) for Renal Calculi". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04759599. Licensed CC0.

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