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Do complex heart procedures expose patients to more harmful radiation and contrast?

NCT ID NCT06565793

Knowledge-focused Sponsor: Centre Cardiologique du Nord 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Last updated Aug 21, 2026 · Updated 2 times

Summary

This study is looking at people hospitalized for a heart attack (STEMI or NSTEMI) who undergo a procedure to open blocked heart arteries, called percutaneous coronary intervention (PCI) or angioplasty. It compares two groups: those having a standard (non-complex) PCI and those having a complex PCI, which involves more challenging blockages. The goal is to see whether complex procedures expose patients to higher levels of radiation and more iodine-based contrast dye, and whether this leads to more complications like kidney injury, heart damage, or death. By tracking over 15,000 patients, the study aims to provide clearer data on the risks of these longer, more involved procedures.

What this could mean

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

Active substance
Complex PCI (percutaneous coronary intervention) with drug-eluting stents
What this could lead to
If successful, this could help doctors identify which patients are at higher risk from complex angioplasty and guide strategies to reduce radiation and contrast exposure, potentially improving safety and outcomes.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The results may be influenced by factors other than the procedure type, and the findings might not apply to all hospitals or patient groups.

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

15,630 people

The number who actually took part.

Started

Mar 2025

Expected to finish

Dec 2028

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

* Standard angioplasty: This encompasses angioplasty procedures that do not meet the criteria for complexity. * Complex angioplasty: This designation is applied to angioplasty procedures that meet at least one criterion for complexity. * Very complex angioplasty: This designation is applied to angioplasty procedures that meet at least two criteria for complexity.

Ages

18 to 90 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: * The patient presents with a STEMI or NSTEMI requiring either a non-complex or complex PCI. Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

acute coronary syndrome acute subendocardial myocardial infarction coronary artery disorder coronary atherosclerosis Coronary Occlusion coronary stenosis coronary thrombosis intermediate coronary syndrome myocardial infarction radiation injury ST-elevation myocardial infarction

As listed by the trial registrant

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

Coronary artery calcification Coronary artery disease Coronary occlusion Coronary stenosis Coronary syndrome Coronary thrombosis Myocardial infarction (MI) Radiation toxicity

Contacts and locations

Locations

  • Centre Cardiologique du Nord

    Saint-Denis, France, 93200, France

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