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Collagen VI-related diseases include Bethlem myopathy and Ulrich dystrophy. They are both caused by decreased levels or a lack of collagen VI. The first symptoms can be present at birth as joint laxity and hypotonic muscles; often seen with luxation of the hip and scoliosis. During childhood, patients may develop contractures of fingers, wrists, elbows and ankles. Muscle weakness often appears in childhood to early adulthood and is progressive. It often results in walking difficulties.
There is no treatment available for Behtlem and Ulrich dystrophies.
The primary aim of this study is to investigate the pattern of involved muscles, the function and quality of the muscles and the disease severity using MRI.
See above
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Persons with collagen VI defect | Other | Observational |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Observeational | Other | No intervention, observational |
|
| Measure | Description | Time Frame |
|---|---|---|
| Muscle fat fraction | The Dixon MRI will be used to quantify the fat fraction in skeletal muscle | One MRI scan pr subject (exam lasts approximately 60 min) |
| Measure | Description | Time Frame |
|---|---|---|
| Muscle strength | MRC in order to test specific muscles in the subjects | Exam lasts approximately 40-60 min |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ruth Salim, stud.med | Contact | +45 24 64 84 87 | ruth.salim.01@regionh.dk | |
| Julia Dahlqvist, MD | Contact |
| Name | Affiliation | Role |
|---|---|---|
| John Vissing, Prof., MD | CNMC, Rigshospitalet | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Copenhagen Neuromuscular Center | Recruiting | Copenhagen | Østerbro | 2100 | Denmark |
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| ID | Term |
|---|---|
| C535436 | Bethlem myopathy |
| C537521 | Scleroatonic muscular dystrophy |
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