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Clinical Trial Summary

COPAS pilot is a pilot single center double blinded randomized study to determine the effect of targeted anti-inflammation therapy using colchicine, on valvular calcification activity using imaging, i.e. aortic valvular NaF uptake. The current proposal uses a randomized design to evaluate the effect of colchicine vs. placebo on valvular calcification activity over 6 months measured using NaF PET


Clinical Trial Description

COPAS pilot is a pilot single center double blinded randomized study. The investigators will compare the effect of colchicine (0.6 mg daily - intervention arm) vs. placebo (control group) on the 18F NaF aortic valve uptake in patients with mild to moderate AS defined by a mean pressure gradient measured using transthoracic echocardiography (TTE) between 15-25 mm Hg after a 6-month period of treatment. The investigators plan to enroll 12 patients (6 males/6 females) in each arm (total sample size: 24 patients). Primary endpoint is the change in 18FNaF aortic valve uptake between baseline and 6 months in each arm. Parameters of interest are the maximal and total standard uptake values (SUVs) and tissue-to background ratios (TBRs) at the level of the aortic valve. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05253794
Study type Interventional
Source Ottawa Heart Institute Research Corporation
Contact David Messika-Zeitoun
Phone 613 796 7000
Email DMessika-zeitoun@ottawaheart.ca
Status Recruiting
Phase Phase 2/Phase 3
Start date July 1, 2022
Completion date September 30, 2024

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