# A Prospective Observational Comparison of SMP and ESWL for the Treatment of Renal Stones ≥20 mm in Children (IAU-04)

> **NCT04317443** · — · UNKNOWN · sponsor: **The International Alliance of Urolithiasis** · enrollment: 250 (estimated)

## Conditions studied

- Kidney Stone

## Interventions

- **PROCEDURE:** Super-mini percutaneous nephrolithotomy (SMP)
- **PROCEDURE:** Extracorporeal Shock Wave Lithotripsy (ESWL)

## Key facts

- **NCT ID:** NCT04317443
- **Lead sponsor:** The International Alliance of Urolithiasis
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-05-01
- **Primary completion:** 2021-05-01
- **Final completion:** 2021-09-01
- **Target enrollment:** 250 (ESTIMATED)
- **Last updated:** 2020-04-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04317443

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04317443, "A Prospective Observational Comparison of SMP and ESWL for the Treatment of Renal Stones ≥20 mm in Children (IAU-04)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04317443. Licensed CC0.

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