Tocilizumab treatment leads to improvement in disease activity regardless of CCP status in rheumatoid arthritis

Laura C. Cappelli, Judy Lynn Palmer, Joel Kremer, Clifton O. Bingham

Research output: Contribution to journalArticlepeer-review

Abstract

Objective Autoantibodies can be useful in predicting response to certain treatments in rheumatoid arthritis (RA). We aimed to evaluate initial response to tocilizumab (TCZ) by change in physician and patient-reported outcomes and laboratory parameters in a real-world cohort of patients with RA. We analyzed the data by autoantibody status to determine whether patients with seronegative RA had improved response to tocilizumab when compared to their seropositive counterparts. Methods Data from the CORRONA RA registry were analyzed. Patients were included if they were started on TCZ and had data from a follow-up visit 4–8 months after initiation, as well as having information on serologic status. Serologic status was determined by presence of anti-cyclic citrullinated peptide (CCP) antibodies. Changes in disease activity measures from baseline to follow-up visit were evaluated. Results Both CCP-negative and -positive groups had statistically significant improvement in physician-reported measurements (physician rating of disease activity and joint counts), patient-reported measures (disease activity, pain, and fatigue), and acute phase reactants after 4–8 months of treatment with tocilizumab. The magnitude of improvement, however, did not differ significantly by CCP status. Conclusion Tocilizumab led to statistically significant improvement in all patient- and physician-reported measures of disease activity evaluated in this cohort of patient with RA. The response to tocilizumab did not differ by CCP status.

Original languageEnglish (US)
Pages (from-to)165-169
Number of pages5
JournalSeminars in Arthritis and Rheumatism
Volume47
Issue number2
DOIs
StatePublished - Oct 2017

Keywords

  • CCP
  • Rheumatoid arthritis
  • Tocilizumab

ASJC Scopus subject areas

  • Rheumatology
  • Anesthesiology and Pain Medicine

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