CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 120 enrolled / 120 target
Drug / intervention
Colchicine +1 moredrug
Likely dose
Colchicine 1mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04870424
NCT04870424Phase 3CompletedHigh Momentum (2.1/mo)Completion was 25mo ago

Colchicine for Patients With Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement (Co-STAR): a Randomized-controlled Trial

Insel Gruppe AG, University Hospital Bern·interventional·Posted May 3, 2021·Updated Jun 3, 2026

In Brief

A Phase 3 clinical trial evaluating Colchicine and Placebo for Transcatheter Aortic Valve Replacement and 3 related conditions. Completed, enrolled 120 participants across 1 site.

Signals

Enrolling ahead of pace

Detailed Summary

Transcatheter aortic valve implantation (TAVI) is a well-established alternative to surgical aortic valve replacement for the treatment of patients with symptomatic severe aortic stenosis. While peri-procedural complications such as stroke, vascular complications and bleeding have substantially declined with the refinement of transcatheter valves and increasing experience, new-onset atrial fibrillation (NOAF) or atrioventricular conduction disturbances continue to occur in almost half of all patients. Colchicine is a well-known substance that has been approved for the treatment of acute gout flares and familial Mediterranean fever in many countries. Colchicine has proven safe and effective in the prevention of atrial fibrillation after cardiac surgery. The anti-inflammatory effects of colchicine may mitigate the occurrence of atrioventricular conduction disturbances and thus the need for the implantation of a permanent pacemaker post transcatheter aortic valve implantation. The objective of the Co-STAR-Trial is to investigate the efficacy of colchicine for the prevention of new-onset atrial fibrillation and conduction disturbances requiring the implantation of a permanent pacemaker in patients undergoing transcatheter aortic valve implantation. Co-STAR is an investigator-initiated, randomized, double blind, placebo-controlled trial. A total of 200 patients referred for treatment of symptomatic severe aortic stenosis and selected to undergo TAVI will be randomized in a 1:1 ratio to the treatment with Colchicine or placebo for 30 days post transcatheter aortic valve implantation.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesSwitzerland
Collaborators--

Timeline

Phase 3CompletedFinished
20222023202420252026
First PostedMay 3, 2021
Enrollment StartSep 21, 2021
Primary CompletionMay 26, 2024
Study CompletionJun 3, 2025
TodayJul 2, 2026
Enrollment to primary: 2.7 yearsPosted 5.2 years ago

Arms & Interventions

Colchicineexperimental

Drug: Colchicine
Placeboplacebo_comparator

Drug: Placebo

Interventions

Colchicinedrug

Colchicine in a loading dosage of 1mg single dose per os the day before TAVI and 1mg single dose at the day of procedure. Thereafter, colchicine 0.5mg once daily per os up to post-procedural day 12.

Placebodrug

Placebo once daily per os the day before TAVI and once at the day of procedure. Thereafter, once daily per os up to post-procedural day 12.