Baseline serum osteopontin levels predict the clinical effectiveness of tocilizumab but not infliximab in biologic-Naïve patients with rheumatoid arthritis: A single-center prospective study at 1 year (the Keio First-Bio Cohort study)

Keisuke Izumi, Yuko Kaneko, Misato Hashizume, Keiko Yoshimoto, Tsutomu Takeuchi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Objective: To explore the baseline predictors of clinical effectiveness after tocilizumab or infliximab treatment in biologic-naïve rheumatoid arthritis patients. Methods: Consecutive biologic-naïve patients with rheumatoid arthritis initiating infliximab (n = 57) or tocilizumab (n = 70) treatment were included in our prospective cohort study. Our cohort started in February 2010, and the patients observed for at least 1 year as of April 2013 were analysed. We assessed baseline variables including patients' characteristics (age, sex, disease duration, prednisolone dose, methotrexate dose, other disease-modifying antirheumatic drug use, Clinical Disease Activity Index [CDAI]) and serum biomarker levels (C-reactive protein, immunoglobulin M-rheumatoid factor, anti-cyclic citrullinated protein/pep-tide antibodies, interferon-y, interleukin (IL)-1β, IL-2, IL-6, IL-8, IL-10, IL-17, tumor necrosis factor-a, soluble intercellular adhesion molecule-1, bone alkaline phosphatase, osteonectin, osteopontin) to extract factors associated with clinical remission (CDAK2.8) at 1 year using univariate analyses, and the extracted factors were entered into a multivariate logistic regression model. Similar analyses were also performed for Simplified Disease Activity Index (SDAI) remission (

Original languageEnglish
Article numbere0145468
JournalPLoS One
Volume10
Issue number12
DOIs
Publication statusPublished - 2015 Dec 1

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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