3 years ago

Simian immunodeficiency virus infection increases blood ethanol concentration duration after both acute and chronic administration.

Curtis Vande Stouwe, Meghan Brashear, Steve Nelson, Tekeda Ferguson, Robert Siggins, Patricia E Molina, Gregory J Bagby, Kejing Song, Peter Winsauer, Donald Mercante, Liz Simon, Angela Martin Amedee
Alcohol use disorder (AUD) is a frequent comorbidity among people living with HIV/AIDS (PLWHA). Alcohol consumption is a significant predictor of non-adherence to antiretroviral therapy (ART), as well as worsening immunological and virological indicators among ¬PLWHA. Clinical studies indicate that higher viral loads increase sensitivity to alcohol in PLWHA. The factors that influence alcohol kinetics after HIV infection and initiation of ART are not well understood, limiting the information upon which interventions can be designed to ameliorate the impact of alcohol misuse on this vulnerable patient population. To better understand the relationship between viral load and alcohol kinetics, we measured changes in doses of intragastric ethanol administration to achieve target blood ethanol concentration (BEC) in a rhesus macaque model of ¬¬chronic binge alcohol (CBA) administration and acute changes following a single acute binge dose of alcohol (ABA) pre- and post-simian immunodeficiency virus (SIV) infection, and following ART initiation. Our results from CBA (14 months) administered SIV-infected male macaques, showed that following ART initiation macaques required higher doses of alcohol to achieve a target peak BEC compared to non-ART treated SIV-infected macaques. In animals given ABA, we found prolonged duration of elevated BEC and decreased elimination rate of alcohol that was not corrected following 7 weeks of ART. These findings suggest, that binge drinking associated with AUD could negatively interact with HIV infection and enhance disease progression. These findings further support the need for implementation of behavioral or therapeutic interventions to decrease alcohol consumption to improve the quality of life in PLWHA.

Publisher URL: http://doi.org/10.1089/AID.2017.0195

DOI: 10.1089/AID.2017.0195

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