New heart test could better spot dangerous blockages
NCT ID NCT07195968
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at two ways to measure blood flow in partially blocked heart arteries. About 50 people with moderate blockages will get both tests and a standard one to see which is more accurate. The goal is to find a better method to guide treatment decisions.
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
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2025
An estimate. Start dates often move.
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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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
Participants referred for coronary angiography with intermediate lesions will be invited to join the registry. Enrollment sites include medical facilities in northern and central Taiwan.
- Ages
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21 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Participants with coronary artery with 50-90% stenosis. * In participants who suffered from ST elevation myocardial infarction within 5 days, only the non-culprit vessel was eligible for coronary functional testing. Exclusion Criteria: * Systolic blood pressure is less than 90 mmHg for more than 5 minutes during examination. * Resting heart rate is less than 50 beats per minute. * Heart failure remains decompensated at the time of examination, such as inability to lie flat or cardiogenic shock. * Acute onset of asthma or chronic obstructive pulmonary disease.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
3 sites. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Miaoli General Hospital, Ministry of Health and Welfare
Miaoli, 36054, Taiwan
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National Taiwan University Hospital Hsin-Chu Hospital
Hsinchu, Select, 30047, Taiwan
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Taichung Veterans General Hospital
Taichung, 407219, Taiwan
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Other studies related to the condition(s) this trial covers.
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