Ensayos clínicos

Inclusion Criteria:

• Have a diagnosis of rheumatoid arthritis (RA) for at least 3 months before screening
• Have moderately to severely active RA with at least 4 of 68 tender joints and 4 of 66 swollen joints, at screening and at baseline
• Have had anti-tumor necrosis factor (TNF)-alpha therapy and were unresponsive by 1 of the following 2 reasons: Lack of benefit to at least 1 anti-TNF-alpha biologic therapy, as assessed by the treating physician, after at least 12 weeks of etanercept, yisaipu, adalimumab, golimumab, or certolizumab pegol therapy and/or at least a 14-week dosage regimen (ie, at least 4 doses) of infliximab; Intolerance to at least 2 anti-TNF-alpha biologic therapies, as assessed by the treating physician, to etanercept, yisaipu, adalimumab, golimumab, certolizumab pegol, or infliximab or have documented intolerance to an anti-TNF-alpha agent as described above that precludes further administration of anti-TNF-alpha agents
• If using oral corticosteroids, must be on a stable dose equivalent to less than or equal to 10 mg/day of prednisone for at least 2 weeks prior to the first administration of study agent. If currently not using corticosteroids, must not have received oral corticosteroids for at least 2 weeks prior to the first administration of study agent
• If using non nonsteroidal anti-inflammatory drug (NSAIDs) or other analgesics for RA, must be on a stable dose for at least 2 weeks prior to the first administration of study agent
• If using non-biologic disease modifying antirheumatic drugs (DMARDs) such as methotrexate (MTX), sulfasalazine (SSZ), hydroxychloroquine, chloroquine, or bucillamine, must be on a stable dose for at least 4 weeks prior to the first administration of study agent and should have no serious toxic side effects attributable to the DMARD
• C-reactive protein (CRP) 8.00 mg/L or more or erythrocyte sedimentation rate (ESR) 28 mm/hr or more at screening

Exclusion Criteria:

• Has received infliximab, infliximab biosimilar, or golimumab intravenous (IV) within 8 weeks of the first study agent administration
• Has received subcutaneously (SC) golimumab, adalimumab, or certolizumab pegol within 6 weeks of the first study agent administration
• Has received etanercept or yisaipu within 4 weeks of the first study agent administration
• Has a history of intolerance to tocilizumab that precluded further treatment with it, or inadequate response to 3 months of tocilizumab (anti-IL-6 receptor) therapy. Has used tocilizumab within 8 weeks of the first study agent administration
• Has used B-cell-depleting therapy (eg, rituximab) within 7 months of first study agent administration or have evidence during screening of abnormally low B-cell level caused by previous B-cell depletion therapy
• Has used anakinra within 1 week of first study agent administration
• Has used abatacept or any other biologic therapy for the treatment of RA within 8 weeks of the first study agent administration
• Has received intra-articular (IA), intramuscular (IM), or IV corticosteroids for RA, including adrenocorticotrophic hormone during the 4 weeks prior to first study agent administration
• Has received leflunomide within 24 months before the first study agent administration and has not undergone a drug elimination procedure, unless the M1 metabolite is measured and is undetectable
• Has a history of cyclophosphamide or cytotoxic agent use
• Has received cyclosporine A, azathioprine, tacrolimus, mycophenolate mofetil, oral or parenteral gold, or D-penicillamine within 4 weeks of the first study agent administration
• Has received an investigational drug (including investigational vaccines) or used an investigational medical device within 3 months or 5 half-lives, whichever is longer, before the first study agent administration