About the Myositis Working Group
Idiopathic inflammatory myopathies (IIM) are rare inflammatory autoimmune diseases, commonly with primary involvement of the skeletal muscle. IIM are multi-system diseases often extending beyond muscle weakness and may involve the lungs, joints, skin, and the gastrointestinal tract.
The aim of the Outcome Measures in Rheumatology (OMERACT) Myositis group is to identify core domains and instruments that reflect the life impact area in IIM, with strong patient participation.

Helene Alexanderson
Co-Chair

Jin Park
Co-Chair

Chris Mecoli
Co-Chair

Lisa Christopher-Stine
Co-Chair
OMERACT Endorsed Core Domain Set for use in Clinical Trials/LOS in Myositis

Working Group Publications
Reliability and validity of PROMIS physical function, pain interference, and fatigue as patient reported outcome measures in adult idiopathic inflammatory myopathies: International study from the OMERACT myositis working group
Assessing the content validity of patient-reported outcome measures in adult myositis: A report from the OMERACT myositis working group
Perceptions of Patients, Caregivers, and Healthcare Providers of Idiopathic Inflammatory Myopathies: An International OMERACT Study
OMERACT 2018 Modified Patient Reported Outcome Domain Core Set In The Life Impact Area For Adult Idiopathic Inflammatory Myopathies
Working Group Members:
