A Comparative Study Between the Usage of Flexible and Navigable Suction Ureteral Access Sheath Versus Traditional Access Sheath in Retrograde Intrarenal Surgeries

Recruiting now · Not applicable

Conditions studied: Stones, Kidney, Ureter Stones

In brief

A comparative study between the Usage of Flexible and Navigable Suction Ureteral Access Sheath (FANS) versus Traditional Access sheath in RIRS : Randomized controlled trial .

Key facts

Study ID

NCT07076589

Run by

Yosseif elhousseiny ammar ahmed

People needed

80

Starts

2025-06-01

Expected to finish

2026-03-03

Last updated by the study team

2026-03-10

Who can join

Age: 14 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥14 years old in patients not known to have stone forming medical conditions.
• Renal stones diameter of ≤2 cm confirmed by CT with all types of configurations (branching \& non-branching).
• Non - recurrent cases with no history of previous open renal surgeries or PCNL with normal renal anatomy.
• Patients with non - infected urine analysis.

You may not qualify if…

• Patients with abnormal urinary tract anatomy (such as horseshoe kidney or ileal conduit).
• Patients with medical conditions promoting stone formation (hyperparathyroidism - gout).
• Patients with history of stones on the same side with previous open surgical intervention or PCNL .
• Patients with e-GFR < 60 ml / min.
• Patients with uncontrolled urinary tract infection.
• Patients with health or other factors that are absolute contraindications to RIRS.
• Patients who are unable to understand or complete trial documentation.

Where it is running

• Cairo university hospitals — Cairo, Egypt (enrolling)

Full record on ClinicalTrials.gov

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