Optical dilatation versus serial dilatation prior to Retrograde Intrarenal Surgery in treatment of urinary stones. A randomized controlled trial

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

PACTR

Registry ID

PACTR202605559624949

Enrollment

Registered

2026-05-25

Start date

2025-11-18

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

Urological and Genital Diseases

Interventions

optical dilatation using semi rigid cystoscope

Serial uretric dilatation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with unilateral or bilateral renal and upper ureteric stones, confirmed by imaging (CT scan, ultrasound, or X-ray). Stone Size: Stones range from 1 to 2 cm.

Exclusion criteria

Exclusion criteria: A. Active Urinary Tract Infection: that has not been treated and cleared. B. Pregnancy: due to potential risks to the fetus from radiation or anesthesia. C. Severe Systemic Conditions: Patients with uncontrolled diabetes, uncontrolled hypertension, or any other systemic conditions that would increase perioperative risk.

Design outcomes

Primary

Measure	Time frame
1. Placement of ureteral access sheath success rate2. ?Time of the procedure	—

Secondary

Measure	Time frame
1. Complications intra operatively such as Bleeding, Perforation or ureteral avulsion 2. ?Stone Free Rate documented by Non-contrast CT scan 4 weeks post operative	—

Countries

Egypt

Contacts

Public ContactHafsa Gheat

lecturer

hafsasalah66@gmail.com+20123558563

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026