Prevalence & Long-term Impact of Non-atherosclerotic CAD

Status Completed

Clinical Trial Summary

Despite a relatively high prevalence of non-atherosclerotic coronary artery disease (NACAD) among young women, the majority of these abnormalities were misdiagnosed in this population, and thus treatments were not targeted adequately in this patient population. Furthermore, the short and long-term cardiovascular outcomes of young women with NACAD have not been evaluated. Given the importance of NACAD in young women, the challenges of diagnosis and subsequent treatment, and unknown outcomes with NACAD, we propose a prospective registry to further evaluate this population. We propose to evaluate young women (age < or equal to 55) presenting with myocardial infarction (MI) prospectively, to diagnose the etiology of MI differentiating atherosclerotic versus NACAD, to correlate the prevalence of FMD in other vascular territory, and to evaluate the long-term outcome of young women with NACAD in comparison to those with atherosclerotic CAD over a 5-year follow-up.

Clinical Trial Description

All women aged 55 or younger having a coronary angiogram for acute coronary syndrome (ACS) will be approached prior to their procedure. A pregnancy test will be performed (standard for pre-menopausal women due to potential radiation exposure). If the cause of the heart attack is uncertain (eg no obvious infarct-related narrowing or occlusion), intravascular ultrasound or optimal coherence tomography will be performed within the context of the angiogram to better view the artery wall. A picture of the iliac and renal arteries will be accomplished by aortography (one dye shot down the aorta); in the case that the renal arteries are not well visualized, selective renal angiography will be performed (catheter at the entry to the renal artery). In the case of suspected non-atherosclerotic abnormalities, a head CT angiogram wil be performed. Referral to appropriate specialists for detected abnormality will occur. If symptoms continue, the subject will be followed by a cardiologist. A research coordinator will contact the subject at 1, 6 and 12 months and then annually to collect data on medications, hospitalization and symptoms. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01479140
Study type	Observational
Source	Cardiology Research UBC
Contact
Status	Completed
Phase
Start date	December 2011
Completion date	January 13, 2021

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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.

Prevalence and Long-term Impact of Non-atherosclerotic CAD — PRYME

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms