Rheumatoid Arthritis Memory B Cells and Abatacept

Abatacept for reconstitution and dilution prior to intravenous (IV) administration. Each single-use vial of Abatacept for injection provides 250-mg Abatacept, maltose (500 mg), monobasic sodium phosphate (17.2 mg), and sodium chloride (14.6 mg) for administration.

Patients will receive methotrexate or remain on pre-existing conventional synthetic disease-modifying anti-rheumatic drug (DMARD) if already prescribed.