Abstract:
:Varenicline reduces drinking in people with alcohol use disorder, but little is known about the mechanisms underlying this effect. Varenicline targets α4β2 and α7 nicotinic acetylcholine receptors, which are associated with several cognitive functions such as working memory. Varenicline may improve drinking outcomes by enhancing cognitive functioning. The current manuscript reports on cognitive outcomes from a placebo-controlled, double-blind human laboratory experiment examining the effects of varenicline on drinking behavior (Verplaetse et al., 2016a). Participants were 55 adult heavy drinkers who met criteria for an alcohol use disorder. They were randomized to receive varenicline (1 mg/day, 2 mg/day) or placebo. They completed a baseline assessment of cognitive functioning (i.e., digits backward task, continuous performance task) before starting medication. After a medication titration period, they attended a laboratory session (post medication Day 8) where they completed the cognitive assessment battery and an alcohol-primed ad libitum drinking task. Blood was collected to measure plasma varenicline levels. Varenicline produced dose-dependent improvements in working memory. Although there was no significant effect of oral varenicline dose on response time on the continuous performance task, participants with higher levels of plasma varenicline showed greater improvement of reaction time (RT). Among participants receiving 2 mg/day varenicline, larger improvements in working memory were associated less drinking, although mediation analyses did not find a significant indirect effect. These findings suggest that varenicline can improve working memory above baseline levels in heavy drinkers. Varenicline may reduce rates of alcohol use by improving working memory. (PsycINFO Database Record
journal_name
Exp Clin Psychopharmacoljournal_title
Experimental and clinical psychopharmacologyauthors
Roberts W,McKee SAdoi
10.1037/pha0000161subject
Has Abstractpub_date
2018-02-01 00:00:00pages
49-57issue
1eissn
1064-1297issn
1936-2293pii
2018-03782-006journal_volume
26pub_type
杂志文章,随机对照试验abstract::In this study, crack/cocaine-dependent (CD) and non-drug-using matched control (MC) participants were presented with hypothetical immediate and delayed rewards, with 16 delay conditions ranging from 5 min to 25 years. All participants were presented with hypothetical monetary rewards; however, the CD group was also pr...
journal_title:Experimental and clinical psychopharmacology
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doi:10.1037//1064-1297.11.1.18
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abstract::W. J. Lynch and M. E. Carroll (2001) suggested 3 processes that contribute to the regulation of drug intake over time when drugs serve as reinforcers. The commentator suggests that none of these processes are necessary for drugs to function as reinforcers and hence are either secondary or superfluous to the study of d...
journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章
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更新日期:2018-06-01 00:00:00
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pub_type: 杂志文章,评审
doi:10.1037//1064-1297.10.2.67
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章
doi:10.1037//1064-1297.9.3.297
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pub_type: 杂志文章
doi:10.1037/1064-1297.15.5.461
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章
doi:10.1037/1064-1297.15.2.165
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2018-06-01 00:00:00
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pub_type: 杂志文章
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journal_title:Experimental and clinical psychopharmacology
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pub_type: 杂志文章
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章,评审
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journal_title:Experimental and clinical psychopharmacology
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
pub_type: 评论,杂志文章
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journal_title:Experimental and clinical psychopharmacology
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章
doi:10.1037//1064-1297.8.4.483
更新日期:2000-11-01 00:00:00
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journal_title:Experimental and clinical psychopharmacology
pub_type: 杂志文章
doi:10.1037/1064-1297.16.2.165
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