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Recruiting NCT06243653

NCT06243653 Relationship Between Coronary Microvascular Dysfunction and Improvement of Left Ventricular Systolic Function in Patients With Heart Failure With Reduced Ejection Fraction Caused by Non-ischemic Etiology

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Clinical Trial Summary
NCT ID NCT06243653
Status Recruiting
Phase
Sponsor Samsung Medical Center
Condition Heart Failure
Study Type OBSERVATIONAL
Enrollment 200 participants
Start Date 2023-08-09
Primary Completion 2026-12-31

Eligibility & Interventions

Sex All sexes
Min Age 19 Years
Max Age N/A
Study Type OBSERVATIONAL
Interventions
CMD test

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 200 participants in total. It began in 2023-08-09 with a primary completion date of 2026-12-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This study aims to evaluate the incidence of coronary microvascular dysfunction (CMD) and its prognostic implication for the improvement of left ventricular function in patients who have been diagnosed with heart failure with reduced ejection fraction (HFrEF) caused by non-ischemic etiology.

Eligibility Criteria

Inclusion Criteria: * a) Subject must be at least 19 years of age. b) Subject with symptoms or signs of HF (NYHA ≥2 dyspnea) and reduced ejection fraction (LVEF ≤ 40%) c) Subject who clinically need coronary angiography d) Subject who can voluntarily sign informed consent form Exclusion Criteria: * a) Subject with significant coronary artery stenosis on coronary angiography (diameter stenosis ≥90% or 50-90% with fractional flow reserve \[FFR\] ≤0.80) b) Subject scheduled for cardiac replacement therapy (heart transplantation or left ventricular assisted device \[LVAD\] implantation) c) HF due to restrictive cardiomyopathy, active myocarditis, or constrictive pericarditis d) Significant valvular heart disease requiring surgery e) Subject who have non-cardiac co-morbid conditions with life expectancy \<1 year

Contact & Investigator

Central Contact

Ki Hong Choi, MD

✉ cardiokh@gmail.com

📞 82-2-3410-3419

Principal Investigator

Ki Hong Choi, MD

PRINCIPAL INVESTIGATOR

Samsung Medical Center

Frequently Asked Questions

Who can join the NCT06243653 clinical trial?

This trial is open to participants of all sexes, aged 19 Years or older, studying Heart Failure. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT06243653 currently recruiting?

Yes, NCT06243653 is actively recruiting participants. Contact the research team at cardiokh@gmail.com for enrollment information.

Where is the NCT06243653 trial being conducted?

This trial is being conducted at Seoul, South Korea.

Who is sponsoring the NCT06243653 clinical trial?

NCT06243653 is sponsored by Samsung Medical Center. The principal investigator is Ki Hong Choi, MD at Samsung Medical Center. The trial plans to enroll 200 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology