Flexible Nephroscopy-Assisted Single-Tract Versus Multi-Tract Percutaneous Nephrolithotomy for Complex Renal Stones
Flexible Nephroscopy-Assisted Single-Tract Versus Multi-Tract Percutaneous Nephrolithotomy for Complex Renal Stones: A Prospective, Randomized, Non-Inferiority Trial
Al-Azhar University
470 participants
Aug 13, 2026
INTERVENTIONAL
Conditions
Summary
This randomized, parallel-group, non-inferiority trial will compare flexible nephroscopy-assisted single-tract percutaneous nephrolithotomy with conventional multi-tract percutaneous nephrolithotomy in patients with complex unilateral renal stones. The primary outcome is stone-free rate at 3 months, and secondary outcomes include operative time, fluoroscopy time, hemoglobin drop, transfusion rate, hospital stay, complications, need for auxiliary procedures, and cost-effectiveness.
Eligibility
Plain Language Summary
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Interventions
Single-tract percutaneous nephrolithotomy using flexible nephroscopy through the same tract, with rigid nephroscopy, pneumatic lithotripsy, and Holmium:YAG laser as needed.
Multi-tract percutaneous nephrolithotomy using rigid nephroscopy through multiple accesses, with pneumatic lithotripsy as needed.
Locations(1)
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NCT07753733