Inclusion Criteria:

  • Previously received ofatumumab or placebo in Trial Hx-CD20-403.
  • Patients on methotrexate therapy (7.5 - 25 mg/week, p.o., i.m., and/or s.c.).
  • Oral corticosteroids therapy (≤ 10 mg/day prednisolone or equivalent).
  • Active disease at the time of screening as defined by:

    • 3 swollen joints (of 28 joints assessed) and ≥ 3 tender joints (of 28 joints assessed), DAS28≥3.2 (based on ESR)

Exclusion Criteria:

  • Use of DMARDs other than methotrexate or exposure to other cell depleting therapy, including investigational compounds < 6 months prior to Visit 2 A.
  • Patients who have received treatment with any non-marketed drug substance within 4 weeks prior to Visit 1 (screening).
  • Breast feeding women or women with a positive pregnancy test at Visit 1 (screening).
  • Received anti-cancer therapy, corticosteroids (intra-articular, i.m., or i.v.), or live/attenuated vaccinations, or exposure to cyclophosphamide, nitrogen mustard, chlorambucil or other alkylating agents < 5 years prior to screening.
  • Past or current malignancy, except for Cervical carcinoma Stage 1B or less, Non-invasive basal cell and squamous cell skin carcinoma, Malignant melanoma with a complete response of a duration of > 10 years, or other cancer diagnoses with a complete response of a duration of > 5 years.
  • Chronic or ongoing active infectious disease requiring systemic treatment.
  • Clinically significant cardiac disease, or history of significant cerebrovascular disease.

Significant concurrent, uncontrolled medical conditions, but not limited to, renal, hepatic, hematological, gastrointestinal, endocrine, pulmonary, neurological, cerebral psychiatric disease

  • Known or suspected HIV positive, positive serology for hepatitis B (HB), positive test for Hepatitis C, or positive plasma or white cell JC virus (JCV) PCR (either compartment).
  • A circulating IgG level <lower limit of normal.
  • Known hypersensitivity to components of the investigational medicinal product.
  • Patients known or suspected of not being able to comply with a study protocol.
  • Women of child bearing potential not will to use adequate contraception during study

Read more: http://www.clinicaltrials.gov/ct2/show/NCT00655824?cond=%22Arthritis%22&lup_s=07/14/2011&lup_d=30