HIV viral suppression trends over time among HIV-infected patients receiving care in the United States, 1997 to 2015 a cohort study

Robin M. Nance, J. A. Chris Delaney, Jane M. Simoni, Ira B. Wilson, Kenneth H. Mayer, Bridget M. Whitney, Frances M. Aunon, Steven A. Safren, Michael J. Mugavero, W. Christopher Mathews, Katerina A. Christopoulos, Joseph J. Eron, Sonia Napravnik, Richard D. Moore, Benigno Rodriguez, Bryan Lau, Rob J. Fredericksen, Michael S. Saag, Mari M. Kitahata, Heidi M. Crane

Research output: Contribution to journalReview articlepeer-review

37 Scopus citations


Background: Because HIV viral suppression is essential for optimal outcomes and prevention efforts, understanding trends and predictors is imperative to inform public health policy. Objective: To evaluate viral suppression trends in people living with HIV (PLWH), including the relationship of associated factors, such as demographic characteristics and integrase strand transfer inhibitor (ISTI) use. Design: Longitudinal observational cohort study. Setting: 8 HIV clinics across the United States. Participants: PLWH receiving clinical care. Measurements: To understand trends in viral suppression (≤400 copies/mL), annual viral suppression rates from 1997 to 2015 were determined. Analyses were repeated with tests limited to 1 random test per person per year and using inverse probability of censoring weights to address loss to follow-up. Joint longitudinal and survival models and linear mixed models of PLWH receiving antiretroviral therapy (ART) were used to examine associations between viral suppression or continuous viral load (VL) levels and demographic factors, substance use, adherence, and ISTI use. Results: Viral suppression increased from 32% in 1997 to 86% in 2015 on the basis of all tests among 31 930 PLWH. In adjusted analyses, being older (odds ratio [OR], 0.76 per decade [95% CI, 0.74 to 0.78]) and using an ISTI-based regimen (OR, 0.54 [CI, 0.51 to 0.57]) were associated with lower odds of having a detectable VL, and black race was associated with higher odds (OR, 1.68 [CI, 1.57 to 1.80]) (P < 0.001 for each). Similar patterns were seen with continuous VL levels; when analyses were limited to 2010 to 2015; and with adjustment for adherence, substance use, or depression. Limitation: Results are limited to PLWH receiving clinical care. Conclusion: HIV viral suppression rates have improved dramatically across the United States, which is likely partially attributable to improved ART, including ISTI-based regimens. However, disparities among younger and black PLWH merit attention.

Original languageEnglish (US)
Pages (from-to)376-384
Number of pages9
JournalAnnals of internal medicine
Issue number6
StatePublished - Sep 18 2018

ASJC Scopus subject areas

  • Internal Medicine


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