This is a multicenter, international, non-interventional, natural history study designed to collect longitudinal retrospective clinical information on patients with Danon disease (DD). This study is composed of 2 parts: * Feasibility study: to identify participating sites, assess site and team capabilities, confirm the site and investigator qualification for taking part in the study, * Retrospective chart review: Data will be collected retrospectively by means of a chart review of living and/or deceased DD patients with a confirmed lysosome associated membrane protein-2 gene (LAMP2) mutation, and, * For living patients (who have not undergone heart transplantation or placement of a cardiac assist device), availability of at least 6-month cardiology follow-up data, * For living patients who underwent heart transplantation or placement of a cardiac assist device, and for deceased patients, at least 1 MRI or echo assessment prior to heart transplantation/cardiac assist device placement or death.
Age range
6 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Cardiac Manifestations- LVPWd
Timeframe: Retrospective minimum of 6 months
Cardiac Manifestations- lVSd
Timeframe: Retrospective minimum of 6 months
Cardiac Manifestations- LVmass
Timeframe: Retrospective minimum of 6 months
Cardiac Manifestations - LVEF
Timeframe: Retrospective minimum of 6 months