Juvenile dermatomyositis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Diagnosed Juvenile Dermatomyositis by a pediatric rheumatologist using the Bohan and Peter Criteria. - Be able to follow instructions regarding testing - Parental and child informed consent - Age between 8-20 years of age
Exclusion criteria
Exclusion criteria: - Insufficient understanding of the Dutch language in both children and parents - Medical events that might intervene with the outcome of testing - Medical status that will not allow maximal exercise testing (e.g. acute fever, heart conditions)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameters are: • Exercise capacity during a graded exercise test with respiratory gas analysis • Muscle strength as assessed with hand-held dynamometry • Fatigue as assessed with the PEDSQL fatigue scale | — |
Secondary
| Measure | Time frame |
|---|---|
| • Muscle soreness as assessed with the 10 cm Visual Analogue Scale • Muscle function as assessed with the Childhood Myositis Assessment Scale (CMAS) • Walking distance at the 6-minutes walking test • Quality of life as assessed with the PEDSQL questionnaire • Functional ability as assessed with the Childhood Health Assessment Questionnaire • Physical activity as assessed by 7 days activity monitoring using an Actical accelerometer • Physical activity enjoyment as assessed with the Physical Activity Enjoyment Scale • Muscle strength as assessed with the Bruininks-Oseretsky Test of Motor Proficiency 2 Subscale 8 - Strength | — |
Countries
Netherlands