The primary endpoint – first case of tuberculosis or death from tuberculosis or unknown cause among patients with HIV – was reported in 2% of both arms in the open-label, phase 3, noninferiority trial BRIEF TB (NCT01404312).
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In the New England Journal of Medicine (2019 Mar 14;380[11]:1001-11), 3,000 patients with HIV were randomized to receive either 1 month of rifapentine/isoniazid or 9 months of isoniazid monotherapy for prevention of tuberculosis. Although safety was also similar between arms, the completion rate was significantly higher in the combination treatment arm, compared with the monotherapy arm (97% vs. 90%; P less than .001).
We covered this story at the annual Conference on Retroviruses & Opportunistic Infections. See our coverage at the link below.