Completed NA INTERVENTIONAL 3-arm NCT04894058

Ureteroscopic Lithotripsy in the Reverse Trendelenburg Position for Upper Ureteral Stones

Ureteroscopic Lithotripsy in the Reverse Trendelenburg Position for Upper Ureteral Stones: a Prospective, Randomized, Comparative Study

Sponsor: Ankara Training and Research Hospital

Conditions Ureter Calculi Ureter Stone Ureterolithiasis

Interventions Ureteroscopic lithotripsy

Updated 4 times since 2021 Last updated: May 21, 2021 Started: Apr 1, 2019 Primary completion: Dec 1, 2020 Completion: Apr 1, 2021

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04894058, this NA trial focuses on Ureter Calculi and Ureter Stone and remains completed. Sponsored by Ankara Training and Research Hospital, it has been updated 4 times since 2019, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

4 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jun 2021 — Jul 2024 [monthly]

Completed NA

First recorded

Apr 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Ankara Training and Research Hospital

Data source: Ankara Training and Research Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Ankara, Turkey (Türkiye)