期刊
CLINICAL INFECTIOUS DISEASES
卷 77, 期 1, 页码 64-73出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciad122
关键词
HIV; cryptococcal meningitis; ART; causal inference
This study aimed to investigate the impact of the timing of antiretroviral therapy (ART) initiation on mortality rates among patients with HIV and cryptococcal meningitis in high-income settings. The study found little evidence to suggest that early ART was associated with higher mortality rates in high-income settings.
Background Randomized controlled trials (RCTs) from low- and middle-income settings suggested that early initiation of antiretroviral therapy (ART) leads to higher mortality rates among people with HIV (PWH) who present with cryptococcal meningitis (CM). There is limited information about the impact of ART timing on mortality rates in similar people in high-income settings. Methods Data on ART-naive PWH with CM diagnosed from 1994 to 2012 from Europe/North America were pooled from the COHERE, NA-ACCORD, and CNICS HIV cohort collaborations. Follow-up was considered to span from the date of CM diagnosis to earliest of the following: death, last follow-up, or 6 months. We used marginal structural models to mimic an RCT comparing the effects of early (within 14 days of CM) and late (14-56 days after CM) ART on all-cause mortality, adjusting for potential confounders. Results Of 190 participants identified, 33 (17%) died within 6 months. At CM diagnosis, their median age (interquartile range) was 38 (33-44) years; the median CD4(+) T-cell count, 19/mu L (10-56/mu L); and median HIV viral load, 5.3 (4.9-5.6) log(10) copies/mL. Most participants (n = 157 [83%]) were male, and 145 (76%) started ART. Mimicking an RCT, with 190 people in each group, there were 13 deaths among participants with an early ART regimen and 20 deaths among those with a late ART regimen. The crude and adjusted hazard ratios comparing late with early ART were 1.28 (95% confidence interval, .64-2.56) and 1.40 (.66-2.95), respectively. Conclusions We found little evidence that early ART was associated with higher mortality rates among PWH presenting with CM in high-income settings, although confidence intervals were wide. Little is known about antiretroviral therapy (ART) timing and mortality in people with human immunodeficiency virus and cryptococcal meningitis in high-income settings. We used causal inference to mimic a trial and found little evidence that early ART was detrimental.
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