Mechanistic Effects of Colchicine in Patients With Myocardial Infarction

Status Withdrawn

Clinical Trial Summary

The aim of this study is to determine the immuno-modulatory mechanistic effects of colchicine in patients with myocardial infarction (MI). Investigators hypothesize that colchicine exerts its anti-inflammatory properties by switching the metabolism of neutrophils, thereby reducing the expression of adhesion molecules responsible for their recruitment in MI.

Clinical Trial Description

This is a pilot study to explore the mechanistic effects of colchicine in patients with MI. The study will be conducted sequentially in 3 parts:

1. Blood will be collected from up to 10 healthy volunteers for protocol development. (Group 1).

2. Blood will be collected from 20 MI patients within 24 hours of presentation at New York University (NYU) Langone Medical Center and Bellevue Hospital Center (BHC). Neutrophil adhesion to human aortic endothelial cells, quantitative expression of adhesion molecules on the surface of neutrophils, quantitative levels of adhesion molecules on neutrophils and endothelial cells, and neutrophil metabolism, using a Seahorse Analyzer will be evaluated pre- and post-addition of in vitro colchicine. (Group 2)

3. The standard low-dose loading regimen of colchicine (1.2 mg followed by 0.6 mg one hour later) will be administered to 20 patients with MI at BHC. Blood will be collected prior to drug administration, 2 to 3 hours after completion of the colchicine load, and 23 to 24 hours after the completion of the colchicine load. Neutrophil adhesion to human aortic endothelial cells, quantitative expression of adhesion molecules on the surface of neutrophils, quantitative levels of adhesion molecules on neutrophils and endothelial cells, and neutrophil metabolism will be evaluated pre- and post-addition of in vitro colchicine (exact markers will be determined based on the results of in viro studies above). (Group 3) ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02995512
Study type	Interventional
Source	New York University School of Medicine
Contact
Status	Withdrawn
Phase	Phase 4
Start date	May 1, 2017
Completion date	September 12, 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.