Trial of Efficacy of the RetroPerc Device

Withdrawn before enrolling · Not applicable

Conditions studied: Kidney Stone

In brief

The purpose of this study is to determine the efficacy of RetroPerc® in obtaining renal access for percutaneous nephrolithotomy

Key facts

Study ID

NCT05022537

Run by

The University of Texas Health Science Center, Houston

People needed

0

Starts

2025-07-01

Expected to finish

2026-12-01

Last updated by the study team

2026-03-09

Who can join

Age: any. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Renal pelvis and proximal ureteral stones >10 mm confirmed with non-contrast computed tomography

You may not qualify if…

• Suspected pyelonephritis.
• Prior percutaneous nephrolithotomy procedure in affected kidney.
• Mid-ureteral or distal ureteral stones.
• Pregnancy.
• Anatomical abnormal kidney, including:
• Horseshoe
• Ectopic

Where it is running

• The University of Texas Health Science Center at Houston — Houston, Texas, United States

Full record on ClinicalTrials.gov

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