What are the adverse effects of biologic agents used to treat rheumatoid arthritis (RA)?

Updated: Feb 07, 2020
  • Author: Howard R Smith, MD; Chief Editor: Herbert S Diamond, MD  more...
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Adverse effects associated with the biologic agents include the generation of antibodies against these compounds, emergence of antinuclear antibodies (ANAs), occasional drug-induced lupuslike syndromes, and infections (including tuberculosis). Rarely, demyelinating disorders and bone marrow suppression occur. Immunogenicity, such as the development of anti-drug antibodies, has been shown to occur in adalimumab and infliximab, potentially leading to decreased drug efficacy. Concomitant use of MTX may reduce the frequency of anti-drug antibodies. [75]

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