Males With X-linked Myotubular Myopathy (XLMTM)
Conditions
Keywords
XLMTM
Brief summary
This retrospective medical chart review (RECENSUS) of approximately 100 XLMTM patients (with a goal to obtain 50 deceased and 20 living records) will provide further knowledge about the clinical manifestations and recorded medical management of XLMTM and potentially inform the design of future therapeutic intervention studies.
Interventions
Non-interventional, retrospective medical chart review
Sponsors
Study design
Eligibility
Inclusion criteria
* Patient diagnosed with XLMTM resulting from a confirmed mutation in the MTM1 gene, or a combination of XLMTM genetically confirmed family history and muscle biopsy * Patient is male * Access to available medical records for each patient * Signed informed consent by the parent(s) or legal guardians and/or assent by the patient (when applicable), unless the associated IRB provides an appropriate consent waiver
Exclusion criteria
* Patient data after participation in an interventional study designed to treat XLMTM (patient data prior to participation in an interventional study may be included)
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Survival | Lifetime, up to 50 years | Descriptive statistics: mean, median, range for age at death for deceased patients, mean, median, range for current age for living patients |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Age at diagnosis | Lifetime, up to 50 years | Descriptive statistics: mean, median, range for age of definitive diagnosis |
| Age at tracheostomy (if applicable) | Lifetime, up to 50 years | Descriptive statistics: mean, median, range for number of patients requiring tracheostomy (if applicable) and average age at tracheostomy |
| Age at need for/type of ventilation (if applicable) | Lifetime, up to 50 years | Descriptive statistics: mean, median, range for number of patients requiring ventilation (if applicable) and type of ventilation |
Countries
United Kingdom, United States