Abstract
This study was carried out to determine the effectiveness of half-dose administration of etanercept in patients with rheumatoid arthritis (RA) who exhibited secondary loss of efficacy of infliximab. Seventeen patients were administered 25 mg of etanercept once weekly for at least 1 year after secondary loss of efficacy of infliximab. The mean duration of treatment with infliximab was 32.5 ± 1.3 months. The patient cohort consisted of 3 males and 14 females, with a mean age of 56.3 ± 11.4 years and mean weight of 57.2 ± 10.9 kg. The mean duration of RA was 16.2 ± 10.9 years. The mean Disease Activity Score 28 was decreased significantly, from 5.8 at the initiation of infliximab therapy to 3.6 at the end of observation. There were no withdrawals due to adverse reactions during the study period, although in 2 subjects the agent was changed to tocilizumab due to lack of effect, one after 18 months and the other after 36 months, and 1 subject withdrew after 18 months for financial reasons. A good response can be expected to a half dose of etanercept in patients with secondary loss of efficacy of infliximab. Reduction of the patient’s cost burden also makes this a superior treatment.
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Matsuno, H. Etanercept response in patients with rheumatoid arthritis after secondary loss of efficacy of infliximab. Mod Rheumatol 20, 561–565 (2010). https://doi.org/10.1007/s10165-010-0320-8
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DOI: https://doi.org/10.1007/s10165-010-0320-8