Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

For more information regarding BMS clinical trial participation, please visit www.BMSStudyConnect.com
Rheumatoid arthritis (RA) diagnosis less than 6 months
CRP \> 3 mg/L or Erythrocyte Sedimentation Rate (ESR) ≥ 28 mm/h
At least 3 swollen and 3 tender joints
Anti-citrullinated protein antibodies (ACPA) positive

At risk for tuberculosis
Have acute infection
Have chronic or recurrent bacterial or serious latent viral infection
History of malignancies in the last 5 years except squamous skin, basal skin or cervical carcinoma
Previous treatment with any conventional or biologic Disease-modifying anti rheumatic drugs (DMARD)

Effects of Abatacept in Patients With Early Rheumatoid Arthritis