deltatrials
Completed OBSERVATIONAL NCT07202923

Effect of Preoperative Alpha-blockers on Successful Insertion Ureteral Access Sheath and Reduce Ureteral Injury in Non-prestented Patients During RIRS. Assessment of Factors for Successful Ureteral Access Sheath Insertion.

Effect of Preoperative Tamsulosin and Silodosin on Successful Insertion Ureteral Access Sheath and Reduce Ureteral Injury in Non-Prestented Patients During Retrograde Intrarenal Surgery (RIRS). Assessment of Factors for Successful Ureteral Access Sheath Insertion. Randomized Clinical Trial.

Sponsor: St. Luke's Clinical Hospital, Russia

Updated 2 times since 2025 Last updated: Nov 18, 2025 Started: Jul 9, 2021 Primary completion: Jun 2, 2024 Completion: Jun 2, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Retrograde Intrarenal Surgery and Ureteral Access Sheath, this trial is completed. The trial is conducted by St. Luke's Clinical Hospital, Russia and has accumulated 2 data snapshots since 2021. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Nov 2025 – ~Dec 2025 · 30 days · monthly snapshotCompleted~Dec 2025 – present · 8 months · monthly snapshotCompleted

Change History

2 versions recorded
  1. Dec 2025 — Present [monthly]

    Completed

  2. Nov 2025 — Dec 2025 [monthly]

    Completed

    First recorded

Jul 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • St. Luke's Clinical Hospital, Russia
Data source: St. Luke's Clinical Hospital, Russia

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

Study Locations