Tests colchicine in people with inflammatory heart muscle disease
Tests colchicine against placebo in adults with chronic inflammatory cardiomyopathy.
Plain-language title generated from the registry record
Registry title: CMP-MYTHiC Trial and Registry - CardioMyoPathy With MYocarditis THerapy With Colchicine
Key facts
- Where
- Ancona, Arezzo, Bologna, Milan, Naples, Rome, Trieste, Turin, and Udine, ItalySee the 10 sites
- Phase
- Phase 3
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with long-lasting inflammation of the heart muscle (chronic inflammatory cardiomyopathy) who have heart rhythm problems, weak heart pumping, or high heart-strain blood markers. It tests colchicine against placebo.
- Age
- 18 years or older
- Sex
- All sexes. Women who could become pregnant cannot join the trial part.
- Disease stage
- Chronic inflammation of the heart muscle, seen on heart MRI (CMRI) or FDG-PET scan. Symptoms for more than 1 month. Also at least one of: many extra heartbeats (3000 or more in 24 hours) or runs of fast heartbeats, weak heart pumping (LVEF under 50% on echocardiogram or under 60% on CMRI), or high NT-proBNP (1000 pg/mL or more) or BNP (200 pg/mL or more). Another option: high troponin for at least 2 months plus 1000 or more extra heartbeats in 24 hours.
- Earlier treatment
- Trial part: cannot join if already on long-term immune-suppressing treatment, including colchicine, or if such treatment is judged necessary.
- Biomarker or test result
- Evidence of heart muscle inflammation on CMRI (2018 Lake Louise criteria) or FDG-PET, done in the 3 months before randomization for the trial, or in the last 12 months for the registry.
Main reasons for not taking part
- Past heart attack with scar, or blocked heart arteries (over 50%)
- Heart disease caused by toxins such as alcohol or drugs, amyloidosis or hypertrophic cardiomyopathy
- Known whole-body autoimmune disease, or past heart surgery
- Known long-term infection such as HIV or tuberculosis
- Trial part: colchicine allergy, kidney eGFR under 30, liver cirrhosis, or breastfeeding
Read by machine on 12 November 2026.
Where in Italy
- Università Politecnica delle Marche e AOU Ospedali Riuniti Umberto I°-Lancisi-Salesi , AnconaAncona, ItalyContact: Michela Casella, MDTaking people
- ASL8 Arezzo San Donato HospitalArezzo, ItalyContact: Maurizio Pieroni, MDTaking people
- Policlinico S. Orsola MalpighiBologna, ItalyContact: Luciano Potena, MDTaking people
- ASST Grande Ospedale Metropolitano NiguardaMilan, ItalyContact: Enrico Ammirati, MD, PhDTaking people
- IRCCS Ospedale San RaffaeleMilan, ItalyContact: Giovanni Peretto, MDTaking people
- Università degli studi della Campania L.Vanvitelli e Azienda Ospedaliera Specialistica dei Colli - Ospedale MonaldiNaples, ItalyContact: Francesco Loffredo, MDTaking people
- Fondazione Policlinico Universitario Agostino Gemelli IRCCSRome, ItalyContact: Maria Lucia Narducci, MDTaking people
- Azienda Sanitaria Universitaria Integrata Giuliano Isontina, TriesteTrieste, ItalyContact: Marco Merlo, MDTaking people
- Azienda Ospedaliera Universitaria Citta Della Salute E Della Scienza Di TorinoTurin, ItalyContact: Gaetano De Ferrari, MDTaking people
- Presidio Ospedaliero Universitario Santa Maria della MisericordiaUdine, ItalyContact: Massimo Imazio, MDTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Niguarda Hospital
- Trial code
- NCT06158698
- Record updated
- 20 April 2026
- Original description
Two-parallel groups randomized, single-blinded, multi-center phase III controlled trial in patients with chronic inflammatory cardiomyopathy to assess the efficacy of colchicine and associated prospective registry to assess the prognostic value of positive genetic testing in this population.Read full original descriptionShow less
Single-blinded Randomized Investigator-initiated Controlled Trial to Assess the Efficacy of Colchicine to Treat Patients With Cardiomyopathy With Myocarditis (Chronic Inflammatory Cardiomyopathy)
Two-parallel groups randomized, single-blinded, multi-center phase III controlled trial in patients with chronic inflammatory cardiomyopathy to assess the efficacy of colchicine and associated prospective registry to assess the prognostic value of positive genetic testing in this population.
Inclusion: Males and females with Infl-CMP associated with VA (including high PVC burden), reduced LVEF, or significantly increased levels of natriuretic peptides; Patients of 18 years or older; Evidence of myocardial inflammation on CMRI (using 2018 Lake Louis criteria) or FDG-PET performed in the 3 months before randomization to be included in the trial OR in the last 12 months before for the registry; Presence of any of the following characteristics and if symptoms have been present for more than 1 month:; Mono-morphic or polymorphic PVC burden of ≥3000 in 24 hours, or NSVTs (defined as >3 more consecutive beat lasting <30 seconds) or evidence of sustained ventricular tachycardias (SVT); Reduced LVEF on echocardiogram (<50%) or on CMRI (<60%)-. Increased N-terminal pro-B-type natriuretic peptide (NT- proBNP) concentration of 1000 pg/mL or more, or a B-type natriuretic peptide (BNP) concentration of 200 pg/mL or more; Persistence of increased high-sensitivity troponin levels above the upper reference limit (URL) after at least 2 months from the first assessment and at least a mono-morphic or polymorphic PVC burden of ≥1000 in 24 hours.
Exclusion: Cardiomyopathy attributed to toxins such as alcohol and illicit drugs, or to specific causes (i.e. amyloidosis or hypertrophic cardiomyopathy); Previous history of cardiac surgery for instance correction of congenital heart disease or a valve repair/replacement; Participants involved in another clinical trial, defined by the participation in a clinical trial in which an investigational drug was administered in the 30 days prior to screening, or 5 half-lives of the study drug, whichever is longer; Cardiomyopathy attributed to toxins such as alcohol and illicit drugs, or to specific causes (i.e. amyloidosis or hypertrophic cardiomyopathy); Previous history of cardiac surgery for instance correction of congenital heart disease or a valve repair/replacement; Participants involved in another clinical trial, defined by the participation in a clinical trial in which an investigational drug was administered in the 30 days prior to screening, or 5 half-lives of the study drug, whichever is longer; Advance heart failure (NYHA III or need for inotropes including levosimendan), or recurrent VA despite previous catheter ablation,; Patients already on chronic immunosuppressive therapies (including colchicine) or in whom immunosuppressive therapy is deemed necessary; Proven history of myocardial infarction with evidence of ischemic scar on echocardiogram or CMRI,; Significant flow-limiting coronary artery disease (stenosis above 50%) on invasive coronary angiography or computed tomography (CT) coronary angiography,; Known systemic autoimmune disorder (the exception will be for patients with systemic autoimmune disease or isolated cardiac sarcoidosis with a family history of cardiomyopathy, myocarditis, or arrhythmias, where overlap between an autoimmune event and a genetic background can occur). These patients will undergo genetic tests. Patients with autoimmune systemic disorders and isolated cardiac sarcoidosis with positive genetic tests for MCVG will be included in the registry; Known chronic infective disease, such as HIV infection or tuberculosis; Any other significant disease or disorder which (expected life expectancy <12 months), in the opinion of the Investigator, may either put the participants at risk because of participation in the trial, or may influence the result of the trial or the participant's ability to participate in the trial; Proven history of myocardial infarction with evidence of ischemic scar on echocardiogram or CMRI,; Significant flow-limiting coronary artery disease (stenosis above 50%) on invasive coronary angiography or computed tomography (CT) coronary angiography,; Known systemic autoimmune disorder (the exception will be for patients with systemic autoimmune disease or isolated cardiac sarcoidosis with a family history of cardiomyopathy, myocarditis, or arrhythmias, where overlap between an autoimmune event and a genetic background can occur). These patients will undergo genetic tests. Patients with autoimmune systemic disorders and isolated cardiac sarcoidosis with positive genetic tests for MCVG will be included in the registry; Known chronic infective disease, such as HIV infection or tuberculosis; Any other significant disease or disorder which (expected life expectancy <12 months), in the opinion of the Investigator, may either put the participants at risk because of participation in the trial, or may influence the result of the trial or the participant's ability to participate in the trial; Current symptomatic atrial arrhythmias (including persistent atrial fibrillation) associated with LV dysfunction,; Known systemic autoimmune disorder or other conditions at the time of randomization where immunosuppression is assumed useful (i.e. cardiac sarcoidosis),; Contraindication to colchicine, including allergies to this medication and its excipients (i.e., lactose and sucrose),; Severe gastrointestinal insufficiency (for instance, malabsorption syndrome, severe chronic diarrhea); Impaired renal function (eGFR<30 ml/min/1.73m2),; Known history of hepatic cirrhosis or transaminase levels at baseline > x3-fold the URL; Patients with peripheral eosinophilia (eosinophil count >10% of the leukocytes) or known hypereosinophilic syndrome at the time of randomization; Women with childbearing potential (this exclusion criterion is due to insufficient human information regarding the embryofoetal risk with colchicine); Women during breastfeeding.