The impact on disability of initial treatment with methotrexate in patients with rheumatoid arthritis: results from the MARI study

  • M. Manara | maria.manara@gmail.com Department of Rheumatology, Istituto Ortopedico Gaetano Pini, Milano, Italy.
  • L. Arcarese Unit of Immunology and Rheumatology, Policlinico Universitario-Università Campus Bio-Medico, Roma, Italy.
  • G. Bianchi Department of Rheumatology, ASL3 - Azienda Sanitaria Genovese, Genova, Italy.
  • V. Corbelli Unit of Rheumatology, Azienda Ospedaliera S. Anna, San Fermo della Battaglia (CO), Italy.
  • O. Epis Unit of Rheumatology, Ospedale Niguarda Ca’ Granda, Milano, Italy.
  • R. Laurenti Centro IDI IRCCS, Roma, Italy.
  • A. Migliore Unit of Rheumatology, Ospedale San Pietro FBF, Roma, Italy.
  • M. Muratore Unit of Rheumatology, Ospedale Galateo ASL Lecce, San Cesario (LE), Italy.
  • A. Roncaglione Rheumatology Service, Distretto 1 ULSS 12 Veneziana, Venezia, Italy.
  • M. Rossini Unit of Rheumatology, Department of Internal Medicine, Azienda Ospedaliera Universitaria Integrata, Verona, Italy.
  • M. Savo Ospedale Spaziani, Frosinone, Italy.
  • L. Sinigaglia Department of Rheumatology, Istituto Ortopedico Gaetano Pini, Milano, Italy.

Abstract

The study aimed to assess in a population of subjects with rheumatoid arthritis (RA) treated with methotrexate (MTX) how the initial approach to the treatment influenced subsequent disability. We performed a cross-sectional analysis of data collected during the baseline visit of the MARI study, a multicenter observational study on patients with RA on treatment with MTX for at least 12 months. Subjects who fulfilled the Health Assessment Questionnaire (HAQ) were included in the evaluation. For every patient we retrospectively evaluated the disease duration, the duration of symptoms before the diagnosis, the time elapsed before first MTX treatment, the initial MTX dose, and the concomitant medications in the first six months of therapy. Disability was defined as a DI-HAQ score ≥1. The study population included 1015 subjects. Patients with a DI-HAQ score ≥1 had a longer duration of symptoms before diagnosis, a higher delay in treatment initiation, a lower initial dose of MTX and a more frequent co-treatment with symptomatic drugs. Disability was found less frequently in subjects treated with other concomitant disease modifying anti-rheumatic drugs (DMARDs) but not with biological agents. Logistic regression analysis identified as significant predictors of disability: older age, female sex, a longer time to complete diagnosis, a delay in starting MTX treatment higher than 6 months, and a concomitant treatment with symptomatic drugs, while a combination therapy with other DMARDs was associated with a lower risk of disability. A late diagnosis and a delay in starting a treatment with MTX are associated with poorer functional outcomes in patients with RA.

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Published
2016-12-31
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Articles
Keywords:
Methotrexate, rheumatoid arthritis, disability, HAQ.
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How to Cite
Manara, M., Arcarese, L., Bianchi, G., Corbelli, V., Epis, O., Laurenti, R., Migliore, A., Muratore, M., Roncaglione, A., Rossini, M., Savo, M., & Sinigaglia, L. (2016). The impact on disability of initial treatment with methotrexate in patients with rheumatoid arthritis: results from the MARI study. Reumatismo, 68(4), 188-194. https://doi.org/10.4081/reumatismo.2016.903