If a subject has received any of the following treatments, the indicated washout period prior to randomization must be followed:

  1. Oral or injectable azathioprine, gold, D-Penicillamine, cyclosporine, anakinra, etanercept, parenteral or intra-articular corticosteroids: 30 days
  2. Leflunomide: 6 months unless an active washout with Cholestyramine has been performed
  3. Mycophenolate mofetil, cyclophosphamide, tacrolimus or other immunosuppressant: 3 months
  4. Adalimumab, Infliximab, Golimumab, Certolizumab pegol, Abatacept or Tocilizumab: 60 days
  5. Rituximab or any B-cell depleting agent: 1 year

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01404585?cond=%22Arthritis%22&lup_s=07/28/2011&lup_d=30