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Completed

NCT Number: NCT07349992

Retrograde Intrarenal Surgery (RIRS) With High-Power Laser and Flexible, Navigable Suction Access Sheath (FANS) vs Mini-Percutaneous Nephrolithotomy (miniPCNL) for 2-3 cm Renal Stones

This prospective cohort study aims to compare the safety and efficacy of retrograde intrarenal surgery combined with a high-power Holmium:YAG laser and flexible navigable suction access sheath versus mini-percutaneous nephrolithotomy in patients with 2-3 cm renal stones.

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Key information

Conditions

Kidney Stones 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 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

Necmettin Erbakan University Medical Faculty

Konya, Turkey (Türkiye)

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Age ≥18 years
  • Kidney stones measuring 2-3 cm
  • Suitable for Retrograde Intrarenal Surgery (RIRS) or Mini-Percutaneous Nephrolithotomy (MiniPCNL)
  • Provided written informed consent

Exclusion criteria

  • Pregnancy
  • Renal transplantation
  • Congenital renal anomalies
  • Uncorrectable coagulopathy

Treatment and study plan

Retrograde Intrarenal Surgery

Procedure

We performed retrograde intrarenal surgery combined with a high-power Holmium:YAG laser and flexible navigable suction access sheath in patients with 2-3 cm renal stones.

Mini Percutaneous Nephrolithotomy

Procedure

We performed mini-percutaneous nephrolithotomy in patients with 2-3 cm renal stones.

Primary outcomes

  1. Stone-Free Rate

    Time frame: 1 month

Secondary outcomes

  1. Hemoglobin change

    Time frame: postoperative first day

  2. Fluoroscopy time

    Time frame: Perioperative

  3. Complications

    Time frame: up to 4 weeks

Sponsors and collaborators

Lead sponsor

Necmettin Erbakan University

Other

Registry information

Official study title

Flexible Ureterorenoscopy With High-Power Holmium: YAG Laser and Flexible, Navigable Suction Access Sheath vs Mini-Percutaneous Nephrolithotomy in 2-3 cm Kidney Stones Treatment: A Prospective Cohort Study

Important dates

Study start
2022
Primary completion
2024
Study completion
2024
First posted
Jan 20, 2026
Registry last updated
Jan 20, 2026

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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