Unknown NA INTERVENTIONAL 2-arm NCT05643989

Self-expandable Metal Stent (SEMS) Endoscopic Placement for Malignant Colonic Obstruction Therapy (PATENCY)

Randomized Non-inferiority Single-center Prospective Trial of Malignant Colonic Obstruction Therapy With Self-expandable Metal Stent (SEMS) Endoscopic Placement or Stoma Formation.

Sponsor: Russian Society of Colorectal Surgeons

Conditions Neoplasms,Colorectal

Interventions Endoscopic self-expandable metal stent placement Stoma formation

Updated 5 times since 2023 Last updated: Dec 1, 2022 Started: Nov 1, 2019 Primary completion: Feb 1, 2023 Completion: May 11, 2023

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

Listed as NCT05643989, this NA trial focuses on Neoplasms,Colorectal and remains ongoing. Sponsored by Russian Society of Colorectal Surgeons, it has been updated 5 times since 2019, reflecting limited change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

Change History

5 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Jan 2025 — Sep 2025 [monthly]

Unknown NA

Status: Recruiting → Unknown
Sep 2024 — Jan 2025 [monthly]

Recruiting NA
Jul 2024 — Sep 2024 [monthly]

Recruiting NA
Jan 2023 — Jul 2024 [monthly]

Recruiting NA

First recorded

Nov 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Russian Society of Colorectal Surgeons

Data source: Russian Society of Colorectal Surgeons

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

Study Locations

• Moscow, Russia