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RECRUITING Not applicable ClinicalTrials.gov

Safety and Efficacy of Papillary Versus NonPapillary Access During Percutaneous Nephrolithotomy

Sponsor: Ain Shams University • ClinicalTrials.gov ID: NCT07855354

Registry updated: 2026-10-02
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Description

This study aims to evaluate and compare the safety, efficacy, and clinical outcomes of papillary and non-papillary renal access during percutaneous nephrolithotomy (PCNL), and to determine whether non-papillary puncture can be considered a safe and effective alternative to the conventional papillary approach in selected patients.

Interventions

  • Papillary access puncture (Procedure)
    Patients will undergo papillary access puncture (Control group)
  • Non-papillary access puncture (Procedure)
    Patients will undergo non-papillary access puncture

Eligibility criteria

Inclusion Criteria: * Age ≥ 18 years * Solitary or multiple renal calculi ≥2 cm * Ability to provide informed consent Exclusion Criteria: * Bleeding diathesis or uncorrected coagulopathy * Active urinary tract infection at the time of surgery * Congenital anomalies severely distorting renal anatomy (e.g., horseshoe kidney, ectopic kidney) * Morbid obesity \[body mass index (BMI) ≥ 40\] limiting safe positioning * Pregnancy

Conditions

Safety Efficacy Papillary NonPapillary Percutaneous Nephrolithotomy

Locations

  • Ain Shams University — Cairo, Egypt
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record