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Assessment for Antibodies to Rifapentine and Isoniazid in Persons Developing Flu-Like Reactions During Treatment of Latent Tuberculosis Infection

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File Language:
English


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  • Alternative Title:
    J Infect Dis
  • Personal Author:
  • Description:
    Background. ; Flu-like reactions can occur after exposure to rifampin, rifapentine, or isoniazid. Prior studies have reported the presence of antibodies to rifampin, but associations with underlying pathogenesis are unclear. ; Methods. ; We evaluated PREVENT TB study participants who received weekly isoniazid plus rifapentine for 3 months (3HP) or daily isoniazid for 9 months (9H) as treatment for Mycobacterium tuberculosis infection. Flu-like reaction was defined as a grade ≥2 of any of flu-like symptoms. Controls (3HP or 9H) did not report flu-like reactions. We developed a competitive enzyme-linked immunosorbent assays (ELISA) to detect antibodies against rifapentine, isoniazid, rifampin, and rifapentine metabolite. ; Results. ; Among 128 participants, 69 received 3HP (22 with flu-like reactions; 47 controls) and 59 received 9H (12 with flu-like reactions; 47 controls). In participants receiving 3HP, anti-rifapentine IgG was identified in 2 of 22 (9%) participants with flu-like reactions and 6 of 47 (13%) controls (P = .7), anti-isoniazid IgG in 2 of 22 (9%) participants with flu-like reactions and 4 of 47 (9%) controls (P = .9). Among participants receiving 9H, IgG and IgM anti-isoniazid antibodies were each present in 4 of 47 (9%) controls, but none among participants with flu-like reactions; anti-rifapentine IgG antibodies were not present in any participants with flu-like reactions or controls. ; Conclusions. ; We detected anti-rifapentine, anti-isoniazid, and anti-rifapentine metabolite antibodies, but the proportions of participants with antibodies were low, and did not differ between participants with flu-like reactions and those without such reactions. This suggests that flu-like reactions associated with 3HP and 9H were not antibody mediated. ; Clinical Trials Registration. ; NCT00023452.
  • Subjects:
  • Keywords:
  • Source:
    J Infect Dis. 230(5):1271-1278
  • Pubmed ID:
    38640958
  • Pubmed Central ID:
    PMC11489317
  • Document Type:
  • Funding:
  • Genre:
  • Volume:
    230
  • Issue:
    5
  • Download URL:
  • File Type:
    Filetype[PDF - 527.64 KB]
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:b981940c95a55a03a8fc9a50c35fff7018075796da5cd7b0944a11b576fd24ab2960744e78c5d54827888cad5b5f2ddb9d01425e4b22579252e17a082a61ffaa
File Language:
English
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