- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07676201
One-year Prognostic Impact of Microcirculation Assessed by NH IMR Angio in Patients Hospitalized for Acute Myocarditis (MICROMYOC)
The goal of this observational study is to evaluate the association between post-coronary angiography IMR and medium-term clinical prognosis in patients with acute myocarditis. The main question it aims to answer is:
Is there a correlation between impaired microcirculation and the occurrence of serious clinical events in this population of patients?
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
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)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
MACE
Tidsramme: From the time of the coronary angiography up to one year
|
The primary endpoint is the 1-year incidence rate of MACE.
MACE is defined by a composite endpoint comprising: 1) all-cause mortality, 2) cardiac decompensation requiring readmission, 3) heart transplantation, 4) documented sustained ventricular arrhythmia lasting >30 seconds, and 5) recurrence of myocarditis.
|
From the time of the coronary angiography up to one year
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Individual components of the 12-month MACE: cardiovascular death, transplantation, hospitalization for heart failure, and persistent heart failure (reported separately)
Tidsramme: From the time of the coronary angiography up to one year
|
From the time of the coronary angiography up to one year
|
|
Correlation between IMR angiographic NH (continuous variable) and: a) MRI imaging criteria (LVEF, fibrosis, septal involvement, edema); b) biological markers (maximum troponin, CRP)
Tidsramme: From the time of the coronary angiography up to one year
|
From the time of the coronary angiography up to one year
|
|
Predictive value of MRI angiography: diagnostic performance in predicting the primary endpoint (ROC, optimal cut-off values, sensitivity/specificity)
Tidsramme: From the time of the coronary angiography up to one year
|
From the time of the coronary angiography up to one year
|
|
Assessment of inter- and intra-observer reproducibility of the MR angiography NH calculation (if a subsample is reanalyzed)
Tidsramme: From the time of the coronary angiography up to one year
|
From the time of the coronary angiography up to one year
|
Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Andre undersøgelses-id-numre
- 38RC26.0180
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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