Chronic Remote Ischemic Conditioning to Modify Post-MI Remodeling

Status Recruiting

Clinical Trial Summary

During a heart attack, an artery carrying blood and oxygen to the heart becomes blocked, which causes damage to the heart muscle. When possible, a clot-busting drug is given or a procedure called angioplasty is performed soon after a heart attack starts, to open up the blocked artery and restore blood flow to the heart. While this can be an effective treatment to reduce permanent damage to the heart, patients can still experience heart failure afterwards. Consequently many patients require medications to support their heart after a heart attack. Recent research has shown a new technique called Remote Ischemic conditioning or RIC, is effective at protecting the heart muscle in a heart attack. RIC is produced simply by repeated inflation and deflation of a blood pressure cuff on an arm or leg to temporarily cut off and then restore blood flow to that limb. The investigators believe this triggers the release of molecular factors that protect heart muscle. In a recent study in humans, it reduced the amount of permanent damage to the heart muscle when applied before the angioplasty procedure. The investigators recent animal studies have shown that RIC may also help the heart muscle recover after a heart attack if applied everyday during the month after a heart attack, by preventing heart failure. This is important for two reasons: first, currently the investigators can only treat heart failure with medications, and second, some people have heart attacks but are not suitable to have angioplasty and so are at greater risk of heart failure. Daily RIC may provide an easy and effective new treatment to prevent heart failure after a heart attack. This application proposes a preliminary study in humans to see if daily RIC can help heart muscle recovery after a heart attack.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01817114
Study type	Interventional
Source	The Hospital for Sick Children
Contact	Christopher Overgaard, RCPSC
Phone	416.340.5311
Email	chris.overgaard@uhn.ca
Status	Recruiting
Phase	N/A
Start date	March 2013
Completion date	March 2017

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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.

Chronic Remote Ischemic Conditioning to Modify Post-MI Remodeling — CRIC-RCT

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms