Targeted therapy for arrhythmogenic cardiomyopathy using tideglusib
Official title: Targeted Therapy With Glycogen Synthase Kinase-3 Inhibition for Arrhythmogenic Cardiomyopathy
Run by Hamilton Health Sciences Corporation · NCT06174220 · Data updated 2026-11-12
This study is testing a new medication called tideglusib to see if it can help people with a specific genetic type of arrhythmogenic cardiomyopathy feel better and reduce their risk of serious heart problems.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 120 (estimated) |
| Sponsor | Hamilton Health Sciences Corporation Academic / other |
| Locations | 17 sites (Calgary, Alberta and 16 other locations) |
| Status | Recruiting |
| Started | March 21, 2025 |
| Main results expected | February 1, 2027 |
| Study ends | July 1, 2027 |
| Registry record updated | March 12, 2026 |
| Trial ID | NCT06174220 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are individuals with a pathogenic or likely pathogenic desmosomal variant or the TMEM43-p.S358L variant, along with a clinical diagnosis of ACM.
✕Probably not a fit
Patients with NYHA class IV heart failure or those with ventricular scar secondary to coronary artery disease may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial evaluates the efficacy of tideglusib, a glycogen synthase kinase-3 β inhibitor, in patients with genotype positive arrhythmogenic cardiomyopathy (ACM). It is a multi-centre, prospective, randomized, double-blind, placebo-controlled trial designed to assess how this targeted therapy can address the underlying pathophysiology of ACM, which is characterized by myocardial fibrosis and a risk of sudden cardiac death. The study aims to recruit patients with specific genetic variants associated with ACM and monitor their response to treatment over time.
Why it matters
Potential benefit: If successful, this treatment could significantly reduce the risk of sudden cardiac death in patients with arrhythmogenic cardiomyopathy.
How similar studies have gone: While there has been progress in understanding ACM, this specific approach using glycogen synthase kinase-3 inhibition is novel and has not been extensively tested in prior studies.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * A pathogenic or likely pathogenic desmosomal (PKP2, DSG2, DSC2, DSP, or JUP\*) rare variant OR the TMEM43-p.S358L variant \*JUP carriers must be homozygous or compound heterozygous * Mean ≥ 500 PVCs per 24 hours on a baseline screening 7-day Holter monitor * Clinical ACM diagnosis or recognition of genetic carrier status for ≥ 6 months prior to screening Exclusion Criteria: * NYHA class IV heart failure * Ventricular scar secondary to coronary artery disease * Initiation, cessation, or dose change of a Class I or III anti-arrhythmic drug in the 3 months prior to screening * Any potentially harmful chronic liver disease * ALT value \> 2X the upper limit of the normal reference range at Screening * Total bilirubin value greater than the upper limit of the normal reference range at Screening, unless documented Gilbert's syndrome. For individuals with Gilbert's syndrome, total bilirubin value greater than 2-fold the upper limit of the normal reference range at Screening. * A history of alcohol or illicit substance use disorders * Regular and long-term use of strong CYP3A4 inhibitors, including clarithromycin, telithromycin, ketoconazole, itraconazole, posaconazole, nefazodone, idinavir and ritonavir * Serum creatinine \> 150 micromole/L or creatinine clearance ≤ 60 mL/min (according to Cockcroft-Gault formula) at Screening * Pregnant at time of enrollment and women of childbearing age who do not use a highly effective form of contraception * Males, engaged in sexual relations with a female of child-bearing potential, not using an acceptable contraceptive method if not surgically sterile * Patients unwilling to provide informed consent or comply with follow-up * Hypersensitivity to tideglusib or any components of its formulation, including allergy to strawberry * Concurrent use of drugs metabolized by CYP3A4 with a narrow therapeutic window e.g. warfarin and digoxin
Where it's running
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University of Calgary
Calgary, Alberta, Canada Recruiting -
University of British Columbia
Vancouver, British Columbia, Canada Recruiting -
Victoria Cardiac Arrhythmia Trials Inc.
Victoria, British Columbia, Canada Recruiting -
NL Health Services
St. John's, Newfoundland and Labrador, Canada Recruiting -
Nova Scotia Health
Halifax, Nova Scotia, Canada Recruiting -
Hamilton General Hospital
Hamilton, Ontario, Canada Recruiting
Show 11 more locations
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London Health Sciences Centre
London, Ontario, Canada Recruiting -
Heart Health Institute Research Inc
Scarborough Village, Ontario, Canada Recruiting -
Montreal Heart Institute
Montreal, Quebec, Canada Recruiting -
University Institute of Cardiology and Pneumology of Quebec
Québec, Quebec, Canada Recruiting -
Kingston General Hospital
Kingston, Ontario, Canada Not yet recruiting -
Newmarket Electrophysiologist Research Group 'NERG'
Newmarket, Ontario, Canada Not yet recruiting -
University of Ottawa Heart Institute
Ottawa, Ontario, Canada Not yet recruiting -
Sunnybrook Health Sciences Centre
Toronto, Ontario, Canada Not yet recruiting -
St. Michael's Hospital
Toronto, Ontario, Canada Not yet recruiting -
McGill University Health Centre
Montreal, Quebec, Canada Not yet recruiting -
Hopital du Sacré-Coeur de Montréal
Montreal, Quebec, Canada Not yet recruiting
Study contacts
- Principal investigator: Jason D Roberts, MD MAS — McMaster University and Population Health Research Institute
- Study coordinator: Jason Roberts, MD MAS
- Email: jason.roberts@phri.ca
- Phone: 905-521-2100
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
S-ICD Eligibility Over Time in Arrhythmogenic Cardiomyopathy
This study checks whether adults with arrhythmogenic cardiomyopathy stay eligible for a subcutaneous ICD over 18 months.
-
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This project tests whether T1 mapping MRI scans, including dye-free native T1, can define normal and disease-specific heart tissue values for adults with various heart conditions.
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Assessing patient characteristics and clinical course for those with PKP2-ACM
This study looks at the experiences and health changes of people with PKP2-ACM over time to better understand the condition and its impact on their lives.
-
Atorvastatin 80 mg to slow progression of arrhythmogenic cardiomyopathy
This trial will try daily high-dose atorvastatin (80 mg) versus placebo in adults with arrhythmogenic cardiomyopathy to see if it prevents right ventricular functional decline and related electrical and structural worsening.
-
Identifying patients with cardiomyopathy for potential heart transplantation
This study is trying to find new ways to identify and understand cardiomyopathy in patients to better predict if they might need a heart transplant in the future.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.