期刊
DRUG AND ALCOHOL DEPENDENCE
卷 204, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.drugalcdep.2019.107553
关键词
Alcohol use disorder; Cognitive bias modification; Tumor necrosis factor-a; Interleukin-18; C-Reactive protein; Inflammation
资金
- National Institutes of Health (NIH) [ZIA-AA000218]
- Division of Intramural Clinical and Biological Research of the National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Intramural Research Program of the National Institute on Drug Abuse (NIDA)
- German Federal Ministry of Education and Research (BMBF) [01KR1207C]
- German Research Foundation [DFG_FOR_1617]
Background: Inflammatory pathways are known to be negatively affected in patients with alcohol use disorder (AUD). Cognitive bias modification (CBM), an emerging behavioral treatment that involves the 're-training' of cognitive biases using computerized tasks, has been reported to reduce alcohol craving and relapse rates. The aim of this study was to compare peripheral concentrations of the proinflammatory biomarkers IL-18, IL-6, IL-1 beta, TNF-alpha and CRP in AUD patients versus controls and to identify whether CBM treatment affected these biomarkers in AUD patients. Methods: This 3-week double-blind randomized controlled study tested 36 male abstinent AUD patients receiving CBM or placebo-training, who were also compared to 18 male healthy controls. The approach avoidance task (AAT) was used to test the AUD patients before and after training. CBM training took place over 6 sessions, using a joystick-based approach-avoidance task. Blood samples were collected after the pre- and post-AAT test sessions for the AUD groups, and during an outpatient appointment with the controls. Results: AUD patients, versus controls, presented with significantly higher plasma levels of TNF-alpha (P < 0.0001) and CRP (P = 0.0031). No changes in the CBM versus placebo groups were noted in IL-18, TNF-alpha and CRP concentrations following pre-post change or within group pretest-posttest analysis. IL-6 and IL-1 beta levels fell under the lower detection limit, thus were not included in the final analyses. Conclusions: This study confirms that the inflammatory system is altered in AUD. This was the first study that investigated whether CBM training affected proinflammatory markers in AUD patients.
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