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Could a simple heart catheter test predict serious complications after myocarditis?

NCT ID NCT07676201

Knowledge-focused Sponsor: University Hospital, Grenoble 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This study investigates whether measuring blood flow in the heart's smallest blood vessels (microcirculation) can help predict serious health events within a year after a person is hospitalized for acute myocarditis. Researchers will use a special technique during a standard heart catheterization to assess microvascular function. The goal is to see if impaired microcirculation is linked to outcomes like death, heart failure, or recurrence of myocarditis in 106 adult patients.

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 a link is found, doctors might use this measurement to identify high-risk patients and tailor follow-up care.
What could go wrong
This is an observational study, not a treatment trial. It cannot prove cause and effect, and the findings may not change current practice.

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 106 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

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 hospitalized in the cardiology department at CHUGA between 2015 and 2025 who had a diagnosis of myocarditis confirmed by cardiac MRI.

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: * Male or female patients over the age of 18. * Patients hospitalized between June 2015 and July 2025. * Patients who presented with chest pain and at least 1 diagnostic criterion; or, in the absence of chest pain, at least 2 of the following diagnostic criteria: * Electrocardiographic abnormalities (ST-segment elevation or depression, T-wave inversions, conduction disturbances such as type 3 atrioventricular block), * Elevated troponin levels, * Abnormal kinematics on echocardiography. * Associated with MRI findings of ≥2 tissue abnormalities (edema, hyperemia, myocardial fibrosis). * Coronary angiography performed during the initial hospitalization * Patient enrolled in or eligible for a social security program. * Patient who has expressed consent to participate. Exclusion Criteria: * Absence of coronary artery disease confirmed by coronary angiography * Myocarditis secondary to immunotherapy * Presence of documented coronary artery disease (coronary angiography or cardiac CT) * Presence of cardiomyopathy (hypertrophic cardiomyopathy, dilated cardiomyopathy) * Infiltrative heart disease (sarcoidosis or cardiac amyloidosis) * Severe valvular heart disease * Takotsubo syndrome * Constrictive or chronic pericarditis * Loeffler's endocarditis * Left ventricular noncompaction * Cardiac tumor * Pulmonary embolism * Coronary spasm * Patients covered by Articles L1121-5 through L1121-8 of the Public Health Code (pregnant women, women in labor, and breastfeeding women; persons deprived of their liberty by judicial or administrative decision; adults under guardianship)

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Conditions

The condition(s) this trial relates to.

acute myocarditis

As listed by the trial registrant

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

Myocarditis acute

How to take part

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

  1. 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.

    Open the record ↗

  2. A doctor treating you

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