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New registry aims to uncover hidden heart risks in 1,000 patients

NCT ID NCT05369182

Knowledge-focused Sponsor: Samsung Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is a registry that follows over 1,000 people with suspected ischemic heart disease. Doctors use special tests during heart catheterization to measure blood flow and pressure in the heart's small vessels. The goal is to see if these measurements can predict future heart problems like death, heart attack, or need for repeat procedures.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors better predict heart problems and guide treatment for people with coronary microvascular disease.
What could go wrong
This is an observational registry, not a treatment trial. It may not lead to direct changes in care, and results may not apply to all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

1,003 people

The number who actually took part.

Started

Apr 2022

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with suspected IHD undergoing invasive coronary angiography and clinically indicated physiological assessment will be eligible. A total of 1,003 patients will be enrolled at 7 centers in South Korea.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Subject must be ≥18 years 2. Patients suspected with IHD 3. Patients undergoing physiologic assessment (CFR, IMR, and FFR) for evaluation of severity of CAD 4. Subject is able to verbally confirm understandings of risks, benefits and treatment alternatives of receiving invasive physiologic or imaging evaluation and he/she or his/her legally authorized representative provides written informed consent to any study related procedure. Exclusion Criteria: 1. Cardiogenic shock (systolic blood pressure \<90mmHg or requiring inotropics to maintain blood pressure \>90mmHg) or cardiac arrest 2. Non-cardiac co-morbid conditions are present with life expectancy \<2 year (per site investigator's medical judgment). 3. Inability to undergo physiologic assessment (CFR, IMR, and FFR) 4. Pregnant or lactating women

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Conditions

The condition(s) this trial relates to.

coronary artery disorder coronary microvascular disorder Microvascular Angina myocardial ischemia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Coronary artery disease Coronary microvascular disease Ischemic heart disease

Contacts and locations

Locations

  • Chonnam National University Hospital

    Gwangju, South Korea

  • Chosun University Hospital

    Gwangju, South Korea

  • Gyeongsang National University Hospital

    Jinju, South Korea

  • Samsung Medical Center

    Seoul, South Korea

  • Seoul National University Boramae Medical Center

    Seoul, South Korea

  • Seoul National University Bundang Hospital

    Seongnam, South Korea

  • Seoul St. Mary's Hospital

    Seoul, South Korea

More trials for these conditions

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