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A Study Comparing Two Minimally Invasive Surgeries for Kidney Stones Measuring 1.5 2 cm

Comparing Retrograde Intrarenal Surgery and Mini Percutaneous Nephrolithotomy for the Management of 1.5 2 cm Renal Stones: A Prospective Randomized Controlled Trial - NIL

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/03/106799
Enrollment
96
Registered
2026-03-24
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: N200- Calculus of kidney

Interventions

Intervention1: Retrograde intrarenal surgery: Flexible ureterorenoscopy under general anesthesia. Stone fragmentation using Thulium fiber laser. DJ stent placed at the end of the procedure. Stone free

Sponsors

Dr Umesh Pradhan
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Single or multiple renal stone in cumulation measuring 1.5 2 cm on CT scan

Exclusion criteria

Exclusion criteria: Stones more than 2 cm or less than 1.5 cm Congenital renal anomalies Concomitant Ureteral stones Uncorrected coagulopathy Previous surgery on the same renal unit

Design outcomes

Primary

MeasureTime frame
To compare stone-free rates between RIRS and mini-PCNLTimepoint: 6 weeks post procedure—

Secondary

MeasureTime frame
To compare operative time between the two proceduresTimepoint: At the end of each procedure;To grade perioperative and postoperative complications using Clavien Dindo classificationTimepoint: During postoperative period;To measure postoperative painTimepoint: During postoperative period;To calculate the efficiency quotient (EQ) for the proceduresTimepoint: Within 6 weeks post procedure—

Countries

Nepal

Contacts

Public ContactDr Manish Man Pradhan

Tribhuvan University Teaching Hospital, Mahargunj medical campus, Institute of Medicine

Pawan_rc@yahoo.com9851067980

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Apr 4, 2026