Immunogenicity of anti-tumour necrosis factor therapy in Korean patients with rheumatoid arthritis and ankylosing spondylitis

Seung Min Jung, Hyun Sook Kim, Hae Rim Kim, Na Young Kim, Jung Hwa Lee, Juryun Kim, Seung Ki Kwok, Kyung Su Park, Sung Hwan Park, Ho Youn Kim, Ji Hyeon Ju

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20 Scopus citations

Abstract

The aim of this study was to investigate the prevalence of antidrug antibodies (ADAs) against tumour necrosis factor (TNF) inhibitors in patients with rheumatoid arthritis (RA) and ankylosing spondylitis (AS). ADAs were detected in 18 (9.8%) patients with RA and in 18 (10.2%) patients with AS of the 360 patients. Development of ADAs was significantly associated with treatment failure in RA patients (P = 0.003). When classified by drugs, the prevalence of immunogenicity in descending order was 17 (28.8%) patients treated with infliximab, 17 (10.4%) with adalimumab, and 2 (1.4%) with etanercept. After adjustment for disease and duration of anti-TNF therapy, the odds ratio as a reference of adalimumab-treated patients was 9.159 (95% confidence interval [CI] 2.005-41.845) for infliximab and 0.280 (95% CI 0.128-0.611) for etanercept. The immunogenicity of anti-TNF therapy was highest in the infliximab-treated group and significantly lower in the etanercept-treated group.

Original languageEnglish
Pages (from-to)20-25
Number of pages6
JournalInternational Immunopharmacology
Volume21
Issue number1
DOIs
StatePublished - Jul 2014

Bibliographical note

Funding Information:
This study was supported by a grant from the Korea Healthcare Technology R&D Project , Ministry of Health and Welfare, Republic of Korea ( HI10C2020 , A092258 ). The funding source had no involvement in the study design, collection, analysis and interpretation of data; in the writing of the article; and in the decision to submit the article for publication.

Keywords

  • Ankylosing spondylitis
  • Antidrug antibody
  • Immunogenicity
  • Rheumatoid arthritis
  • TNF inhibitor

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