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Neural-Tube Defects and Antiretroviral Treatment Regimens in Botswana
Virological remission after antiretroviral therapy interruption in female African HIV seroconverters
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Prednisone for the Prevention of Paradoxical Tuberculosis-Associated IRIS
Repeat testing of low-level HIV-1 RNA: assay performance and implementation in clinical trials
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Course and Clinical Significance of CD8+ T-Cell Counts in a Large Cohort of HIV-Infected Individuals
Impact of low-level viremia on clinical and virological outcomes in treated HIV-1-infected patients
Predicting the outcomes of treatment to eradicate the latent reservoir for HIV-1
Prednisone for the Prevention of Paradoxical Tuberculosis-Associated IRIS
Published by Anton POZNAK
Updated: 15 December, 2018
BACKGROUND : Early initiation of ART in HIV–infected patients who have tuberculosis reduces mortality among patients with low CD4 counts, but it increases the risk of paradoxical tuberculosis-associated immune reconstitution inflammatory syndrome (IRIS).
METHODS : We conducted this randomized, double-blind, placebo-controlled trial to assess whether prophylactic prednisone can safely reduce the incidence of paradoxical tuberculosis- associated IRIS in patients at high risk for the syndrome. We enrolled HIV infected patients who were initiating ART (and had not previously received ART), had started tuberculosis treatment within 30 days before initiating ART, and had a CD4 count of 100 cells or fewer per microliter. Patients received either prednisone (at a dose of 40 mg per day for 14 days, then 20 mg per day for 14 days) or placebo. The primary end point was the development of tuberculosis-associated IRIS within 12 weeks after initiating ART, as adjudicated by an independent committee.
RESULTS : Among the 240 patients who were enrolled, the median age was 36 (IQR, 30 to 42), 60% were men, and 73% had microbiologically confirmed tuberculosis; the median CD4 count was 49 cells per microliter (IQR, 24 to 86), and the median HIV type 1 RNA viral load was 5.5 log10 copies per milliliter (IQR, 5.2 to 5.9). A total of 120 patients were assigned to each group, and 18 patients were lost to follow-up or withdrew. Tuberculosis-associated IRIS was diagnosed in 39 patients (32.5%) in the prednisone group and in 56 (46.7%) in the placebo group (relative risk, 0.70; 95% CI, 0.51 to 0.96; P = 0.03). Open-label glucocorticoids were prescribed to treat tuberculosis-associated IRIS in 16 patients (13.3%) in the prednisone group and in 34 (28.3%) in the placebo group (relative risk, 0.47; 95% CI, 0.27 to 0.81). There were five deaths in the prednisone group and four in the placebo group (P = 1.00). Severe infections (AIDS-defining illnesses or invasive bacterial infections) occurred in 11 patients in the prednisone group and in 18 patients in the placebo group (P = 0.23). One case of Kaposi’s sarcoma occurred in the placebo group.
CONCLUSIONS : Prednisone treatment during the first 4 weeks after the initiation of ART for HIV infection resulted in a lower incidence of tuberculosis-associated IRIS than placebo, without evidence of an increased risk of severe infections or cancers.