Coronary Microvascular Dysfunction Assessments in Myocardial Infarction

Status Recruiting

Clinical Trial Summary

To compare clinical outcomes of myocardial infarction with non-obstructive coronary arteries (MINOCA) according to the coronary microvascular dysfunction (CMD), evaluated by optical coherence tomography (OCT), invasive and non-invasive coronary physiologic assessment.

Clinical Trial Description

Background Approximately 5~10% of patients with acute myocardial infarction (AMI) have been reported as myocardial infarction with non-obstructive coronary arteries (MINOCA) in the contemporary clinical setting. Although those with MINOCA have a better prognosis than with obstructive coronary artery disease, several observational studies continuously reported that patients with MINOCA showed comparable outcomes. One plausible explanation of this discrepancy is the heterogeneous and variable definition of MINOCA. Possible causes of MINOCA include plaque erosion and/or rupture, vasospasm, and CMD. Therefore, it is natural that heterogeneous pathophysiology of MINOCA causes diagnostic challenges and proper management. Recently, there have been efforts for establishing the diagnosis of MINOCA and standardizing the systematic management according to the cause of MINOCA. According to the AHA scientific statement, patients who suspected MINOCA have been recommended to perform multimodality approach, including intravascular imaging (i.e., OCT). Although non-invasive methods, such as N-13 ammonia positron emission tomography (PET), can be used for evaluating the CMD, invasive coronary physiologic assessment using pressure-temperature wire has been recommended. CMD has been known as a major cause of MINOCA, and it may be required specific treatment. Nevertheless, there has no data on the outcomes of MINOCA with or without CMD. Therefore, the aim of CMD-MINOCA sought to assess the MINOCA patients regarding the latest clinical pathway for diagnosis of CMD and evaluate their clinical outcomes at 2 years. ;

Study Design

Related Conditions & MeSH terms

Coronary Microvascular Dysfunction
Coronary Vasospasm
Infarction
Myocardial Infarction

Clinical Trial Details

NCT number	NCT05272618
Study type	Observational [Patient Registry]
Source	Chonnam National University Hospital
Contact	Young Joon Hong, MD, PhD
Phone	82-10-2055-7919
Email	hyj200@hanmail.net
Status	Recruiting
Phase
Start date	February 14, 2022
Completion date	December 31, 2027

View Details

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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.

Coronary Microvascular Dysfunction Assessments in Myocardial Infarction With Non-Obstructive Coronary Arteries — CMD-MINOCA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms