Abstract:
OBJECTIVE:To analyze the clinical relevance of the levels of TNFα blockers and anti-drug antibodies (anti-drug Ab) in patients with rheumatoid arthritis (RA) and spondyloarthritis (SpA) treated with adalimumab (ADA), etanercept (ETA), or infliximab (INF) for a prolonged period of time. METHODS:Clinical characteristics (disease activity, and adverse events), serum TNFα blockers, and anti-drug Ab levels were evaluated in 62 RA and 81 SpA patients treated with TNFα blockers for a median of 28 months. RESULTS:Anti-ADA Ab were detected in 1 (4.0%) and anti-INF Ab in 14 out of 57 (24.6%) RA and SpA patients. Patient with anti-ADA Ab and 57.1% patients with anti-INF Ab were considered nonresponders to treatment. Anti-ETA Ab were not found in any of 61 ETA treated patients. Anti-ADA and anti-INF Ab levels differ between responders and nonresponders (P > 0.05). Three (5.3%) patients with high serum anti-INF Ab levels developed infusion related reactions. Patients with anti-INF Ab more often required changing to another biologic drug (OR 11.43 (95% CI 1.08-120.93)) and treatment discontinuation (OR 9.28 (95% CI 1.64-52.52)). CONCLUSION:Patients not responding to treatment had higher serum anti-ADA and anti-INF Ab concentrations. Anti-INF Ab formation is related to increased risk of infusion related reactions, changing to another biologic drug, and treatment discontinuation.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Arstikyte I,Kapleryte G,Butrimiene I,Venalis Adoi
10.1155/2015/604872subject
Has Abstractpub_date
2015-01-01 00:00:00pages
604872eissn
2314-6133issn
2314-6141journal_volume
2015pub_type
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journal_title:BioMed research international
pub_type: 杂志文章,评审
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pub_type: 临床试验,杂志文章,多中心研究
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更新日期:2015-01-01 00:00:00
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pub_type: 已发布勘误
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章,评审
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