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Treatment of latent Mycobacterium tuberculosis infection with 12 once weekly directly-observed doses of isoniazid and rifapentine among persons experiencing homelessness

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  • Nwabunie Nwana
  • Suzanne M Marks
  • Edward Lan
  • Alicia H Chang
  • Michael Holcombe
  • Sapna Bamrah Morris

Abstract

Objectives: To investigate treatment outcomes and associated characteristics of persons experiencing homelessness who received 12-weekly doses of directly observed isoniazid and rifapentine (3HP/DOT) treatment for latent TB infection (LTBI). Methods: Among homeless persons treated with 3HP/DOT during July 2011 –June 2015 in 11 U.S. TB programs, we conducted descriptive analyses of observational data, and identified associations between sociodemographic factors and treatment outcomes. Qualitative interviews were conducted to understand programmatic experiences. Results: Of 393 persons experiencing homelessness (median age: 50 years; range: 13–74 years), 301 (76.6%) completed treatment, 55 (14.0%) were lost to follow-up, 18 (4.6%) stopped because of an adverse event (AE), and 19 (4.8%) stopped after relocations or refusing treatment. Eighty-one (20.6%) had at least one AE. Persons aged ≥65 were more likely to discontinue treatment than persons aged 31–44 years. Programs reported difficulty in following up with persons experiencing homelessness because of relocations, mistrust, and alcohol or drug use. Conclusions: This study demonstrates the feasibility of administering the 3HP/DOT LTBI regimen to persons experiencing homelessness, a high-risk population.

Suggested Citation

  • Nwabunie Nwana & Suzanne M Marks & Edward Lan & Alicia H Chang & Michael Holcombe & Sapna Bamrah Morris, 2019. "Treatment of latent Mycobacterium tuberculosis infection with 12 once weekly directly-observed doses of isoniazid and rifapentine among persons experiencing homelessness," PLOS ONE, Public Library of Science, vol. 14(3), pages 1-15, March.
    • Handle: RePEc:plo:pone00:0213524
    DOI: 10.1371/journal.pone.0213524
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