Muscle ultrasound: A potential new tool to diagnose and evaluate treatment in dermatomyositis and polymyositis.
- Conditions
- Myositis, polymyositis, dermatomyositis, muscle ultrasound, corticosteroid induced myopathy
- Registration Number
- NL-OMON22461
- Lead Sponsor
- Radboud University Nijmegen Medical Centre
- Brief Summary
/A
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- Not specified
- Target Recruitment
- 154
Inclusion Criteria
1. Patients suspected of dermatomyositis or polymyositis based on: Myalgia, muscle weakness, typical skin lesion and/or elavation of serum CK;
2. Dermatomyositis and polymyositis patients diagnosed according to the Bohan and Peter criteria;
Exclusion Criteria
1. Patients on immunosuppressive medications > 2 weeks;
2. Patients younger than 18 years of age.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Diagnostic value muscle ultrasound: Sensitivity, specificity en predictive value;<br /><br>2. Monitoring disease activitiy muscle ultrasound: Correlation between muscle ultrasound and muscle strength/function (MRC and dynamometry), patient reported outcome (HAQ, SF-36, VAS patient and patient reported outcome questionnaire), Myositis Disease Activity Assessment Tool (MDAAT) and Myositis Damage index (MDI);<br /><br>3. Corticosteroid myopathy: Structural muscle muscle changes defined by ultasound in patients with chronic corticosteroid use.
- Secondary Outcome Measures
Name Time Method