Overview Phase IIIB Subcutaneous Missed Dose Study Status: Completed Trial end date: 2014-02-01 Target enrollment: Participant gender: Summary The purpose of the study is to determine whether subcutaneous abatacept administered to patients with rheumatoid arthritis is associated with increased immunogenicity or increased safety events upon withdrawal and reintroduction. Phase: Phase 3 Details Lead Sponsor: Bristol-Myers SquibbTreatments: Abatacept