Overview Abatacept in Juvenile Dermatomyositis Status: Completed Trial end date: 2021-01-06 Target enrollment: Participant gender: Summary The purpose of this study is to assess the safety and efficacy of subcutaneous abatacept in 10 patients seven years of age and older with refractory JDM. Phase: Phase 4 Details Lead Sponsor: George Washington UniversityTreatments: Abatacept