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Study Comparing Flexible vs. Traditional Access Tubes for Minimally Invasive Kidney Stone Surgery

Comparison of Flexible and Navigable Suction Ureteral Access Sheath (FANS) and Traditional Ureteral Access Sheath in Retrograde lntrarenal Surgery for Renal Calculi - A Randomized Controlled Trial - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/10/096605
Enrollment
80
Registered
2025-10-29
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-01

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: Using Flexible and Navigable Suction Ureteral Access Sheath (FANS) while performing RIRS surgery.: Standard operative timing for each RIRS procedure is around 1 hour. No extra costs or

Sponsors

Nil
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients aged above 18 years No abnormal renal anatomy Renal or upper ureteric calculi less than 2 cm Primary RIRS and secondary RIRS where the patients were pre-stented

Exclusion criteria

Exclusion criteria: Children less than 18 years Renal or upper ureteric calculi more than 2 cm Abnormal renal anatomy (such as ileal conduit or horseshoe kidney) Diagnostic ureteroscopy showing narrow ureter Not willing for the study Patients with absolute contraindications Uncontrolled urinary tract infection

Design outcomes

Primary

MeasureTime frame
To assess the immediate stone free rate (SFR) in flexible and navigable suction ureteral access sheath vs traditional ureteral access sheath. To assess the Stone free rate at 1 month after the primary procedureTimepoint: To assess the immediate stone free rate (SFR) in flexible and navigable suction ureteral access sheath vs traditional ureteral access sheath. To assess the Stone free rate at 1 month after the primary procedure—

Secondary

MeasureTime frame
To assess the intra operative & immediate post operative factors associated with both the procedures.Timepoint: Intra operative, 4 weeks—

Countries

India

Contacts

Public ContactSenthil Kumar T

SRM Medical College Hospital & Research Centre

hod.urolog.ktr.med@srmist.edu.in9841468834

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 11, 2026