Journal
AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV
Volume 24, Issue 12, Pages 1504-1513Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/09540121.2012.672718
Keywords
HIV/AIDS; cognition; medication adherence; antiretroviral; methamphetamine
Categories
Funding
- NATIONAL INSTITUTE OF MENTAL HEALTH [P30MH062512] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON DRUG ABUSE [T32DA031098, P01DA012065, P50DA026306] Funding Source: NIH RePORTER
- NIDA NIH HHS [P01DA012065, P50 DA026306, T32 DA031098, P50DA026306, P01 DA012065, T32DA31098] Funding Source: Medline
- NIMH NIH HHS [P30MH62512, P30 MH062512, MH 62512] Funding Source: Medline
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The present study assesses the impact of methamphetamine (METH) on antiretroviral therapy (ART) adherence among HIV + persons, as well as examines the contribution of neurocognitive impairment and other neuropsychiatric factors [i.e., major depressive disorder (MDD), antisocial personality disorder (ASPD), and attention deficit disorder (ADHD)] for ART non-adherence. We examined HIV + persons with DSM-IV-diagnosed lifetime history of METH abuse/dependence (HIV + /METH +; n = 67) as compared to HIV + participants with no history of METH abuse/dependence (HIV + /METH +; n = 50). Ancillary analyses compared these groups with a small group of HIV + /METH + persons with current METH abuse/dependence (HIV + /CU METH +; n = 8). Non-adherence was defined as self-report of any skipped ART dose in the last four days. Neurocognitive functioning was assessed with a comprehensive battery, covering seven neuropsychological domains. Lifetime METH diagnosis was associated with higher rates of detectable levels of plasma and CSF HIV RNA. When combing groups (i. e., METH + and METH + participants), univariate analyses indicated co-occurring ADHD, ASPD, and MDD predicted ART non-adherence (p's<0.10; not lifetime METH status or neurocognitive impairment). A significant multivariable model including these variables indicated that only MDD uniquely predicted ART non-adherence after controlling for the other variables (p<0.05). Ancillary analyses indicated that current METH users (use within 30 days) were significantly less adherent (50% prevalence of non-adherence) than lifetime METH + users and HIV + /METH + participants and that neurocognitive impairment was associated with non-adherence (p's<0.05). METH use disorders are associated with worse HIV disease outcomes and ART medication non-adherence. Interventions often target substance use behaviors alone to enhance antiretroviral treatment outcomes; however, in addition to targeting substance use behaviors, interventions to improve ART adherence may also need to address coexisting neuropsychiatric factors and cognitive impairment to improve ART medication taking.
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