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Improved treatment completion with shorter treatment regimens for latent tuberculous infection
  • Published Date:
    November 01 2018
  • Source:
    Int J Tuberc Lung Dis. 22(11):1344-1349
  • Language:
Filetype[PDF-436.27 KB]

  • Alternative Title:
    Int J Tuberc Lung Dis
  • Description:

    Four New York City (NYC) Health Department tuberculosis (TB) clinics.


    To assess the effectiveness of preferentially offering two shorter treatment regimens—4 months of daily rifampin (4R) and 3 months of once-weekly isoniazid and rifapentine (3HP)—as an alternative to 9 months of daily isoniazid (9H) for the treatment of latent tuberculous infection (LTBI).


    Retrospective analysis of patients treated for LTBI from January to June 2015. Poisson regression with robust standard error was used to examine the factors associated with treatment completion.


    Of the patients on 9H, 49% (27/55) completed treatment compared with 70% (187/269) of patients on 4R (P=0.003) and 79% (99/125) of patients on 3HP (P < 0.001). When adjusting for age, sex, and TB risk factors, patients on 4R (adjusted risk ratio [aRR] 1.39, 95%CI 1.07–1.81) and 3HP (aRR 1.67, 95%CI 1.27–2.19) were more likely to complete treatment than patients on 9H. Treatment was discontinued due to side effects in 1% (3/269) of patients on 4R, 2% (2/125) of patients on 3HP, and 4% (2/55) of patients on 9H.


    Most patients were placed on shorter regimens for LTBI treatment, and higher treatment completion was observed. Encouraging community providers to use shorter regimens for LTBI treatment would reduce the TB disease burden in NYC.

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