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One scan, many answers: can a new CT predict heart risks after stenting?

NCT ID NCT07763340

Diagnosis Sponsor: Chinese PLA General Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This study is testing whether a new type of CT scan, called photon-counting CT, can do it all in one go for people who have had a coronary stent placed. The scan aims to check the stent and arteries, measure blood flow to the heart muscle, and assess heart function in a single exam. Researchers will follow 800 participants for a year to see how well this scan detects stent narrowing and whether it can predict future heart problems like heart attacks or hospitalizations.

What this could mean

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

Active substance
Photon-counting computed tomography (PCCT) imaging
What this could lead to
If successful, this could establish a single, comprehensive CT scan as a reliable way to detect stent narrowing and predict future heart events, potentially reducing the need for invasive follow-up procedures.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly improve outcomes. The accuracy and prognostic value of the new CT technique are still unproven, and results may not generalize beyond this specific patient group.

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

About 800 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Jan 2029

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 cardiovascular diseases

Ages

18 to 100 years

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. Age 18 years or older; 2. History of percutaneous coronary intervention with implantation of at least one coronary stent; 3. Ability to undergo iodinated contrast-enhanced CT; 4. Ability and willingness to provide written informed consent. Exclusion Criteria: 1. Estimated glomerular filtration rate below the institutional threshold for contrast-enhanced CT, generally less than 30 mL/min/1.73 m², unless examination is clinically justified and approved according to institutional policy; 2. Known severe hypersensitivity to iodinated contrast material that cannot be adequately managed using the institutional premedication protocol; Pregnancy or suspected pregnancy; 3. Inability to provide informed consent or comply with study procedures; 4. Severe respiratory inability to perform the required breath-hold.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder coronary artery disorder

As listed by the trial registrant

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

Cardiovascular diseases

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Chinese PLA General Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100039, China

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