Flexible Ureteroscopy Versus Percutaneous Nephrolithotomy As Primary Treatment in Renal Stones 2-3 Cm

Flexible Ureteroscopy versus Percutaneous Nephrolithotomy as Primary Treatment in Renal Stones 2-3 Cm

Completed

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Key information

Conditions

Stones, Kidney Calculi Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Kidney Calculi Kidney Diseases Male Urogenital Diseases Nephrolithiasis Pathological Conditions, Anatomical Pathological Conditions, Signs and Symptoms Stones Ureter Ureteral Diseases Ureterolithiasis Urinary Calculi Urogenital Diseases Urolithiasis Urologic Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Hesham Torad

Cairo, Cairo Governorate, 38516, Egypt

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

stone burden from 2- 3 cm, single or multiple stones and radio-opaque or radio-lucent stones.

Exclusion criteria

stone burden from 2- 3 cm, single or multiple stones and radio-opaque or radio-lucent stones.

Treatment and study plan

RIRS

Procedure

RIRS performed in lithotomy position for which guide wire pass to the kidney, then passing ureteral dilators up to 14F and ureteral access sheath. Dusting stones by RIRS and holmium laser Fiber 200 mm, at the end of operation DJ was fixed.

PNL

Procedure

PNL performed in prone position, after passing guide wire and ureteric catheter in lithotomy position. Puncture to the kidney, passing 2 wires, then using renal dilators and access sheath to enter kidney by nephroscopy, fragment stones by pneumatic and remove stones, then place nelaton 28F at end of operation

Primary outcomes

stone free rate percentage defined as number of patients who have no stone residual

Time frame: 18 months

assessed by Plain urinary tract and ultrasound for confirmation of the presence of residual stone fragments.

Sponsors and collaborators

Lead sponsor

Cairo University

Other

Registry information

Important dates

Study start: 2022
Primary completion: 2023
Study completion: 2023
First posted: Mar 25, 2025
Registry last updated: Mar 25, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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