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  • Title: Long-term real-life experience with rituximab in adult Finnish patients with rheumatoid arthritis refractory or with contraindication to anti-tumor necrosis factor drugs.
    Author: Valleala H, Korpela M, Hienonen-Kempas T, Immonen K, Lähteenmäki J, Uusitalo T, Komulainen R, Möttönen T, Hannonen P.
    Journal: J Clin Rheumatol; 2015 Jan; 21(1):24-30. PubMed ID: 25539430.
    Abstract:
    OBJECTIVE: The objective of this study was to evaluate the long-term safety and efficacy of repeated rituximab (RTX) infusions in the treatment of rheumatoid arthritis in daily clinical practice in Finland. METHODS: Data were collected from the medical records of a total of 151 patients with rheumatoid arthritis treated with RTX and followed up for at least 12 months after the treatment onset. Change in the 28-joint Disease Activity Score (DAS28), European League Against Rheumatism response criteria and proportions of patients reaching disease remission (DAS28 < 2.6) or low disease activity (DAS28 < 3.2) were used to assess the clinical response. RESULTS: Of the 151 patients 128 received 2 courses, 76 received 3 courses, and 42 received 4 courses of RTX. The mean time to retreatment for the first 4 courses varied between 11 and 13 months. Median DAS28 decreased from 5.4 (0.5-8.6) to 3.3 (0.6-6.6) after the first course. After the second treatment course, the DAS28 was 3.1 (range, 0.1-6.5). The median precourse baseline DAS28 before the second and third courses were 4.6 (range, 1.7-7.8) and 4.24 (range, 1.7-7.2), respectively. The number of previously failed tumor necrosis factor inhibitors did not predict response to RTX in this patient cohort with extensive use of previous disease-modifying antirheumatic drugs (median = 6). CONCLUSIONS: The treatment as-needed regimen used in this study cohort led to delayed RTX retreatment and disease flare in a significant proportion of patients. A regular retreatment every 6 months, at least, after the first 2 treatment courses in patients who are not in remission could allow better control of disease activity.
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