期刊
DRUG AND ALCOHOL DEPENDENCE
卷 67, 期 3, 页码 311-322出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/S0376-8716(02)00082-0
关键词
modafinil; cocaine; stimulants; discriminative effects; subjective effects
资金
- NCRR NIH HHS [M01 RR02602] Funding Source: Medline
- NIDA NIH HHS [DA 10325] Funding Source: Medline
Modafinil is a novel stimulant that is effective in the treatment of narcolepsy and excessive daytime sleepiness. In vitro and in vivo neuropharmacological data suggest that the mechanism of action of modafinil is distinct from that of prototypical abused stimulants like cocaine and d-amphetamine. In the present experiment, six human volunteers with recent histories of cocaine use learned to discriminate 150 mg oral cocaine HCL. After acquiring the discrimination (i.e. greater than or equal to 80% correct responding on 4 consecutive days), a range of doses of oral cocaine (50, 100, and 150 mg), modafinil (200, 400, and 600 mg), and placebo were tested to determine if they shared discriminative-stimulus and self-reported effects with 150 mg cocaine. Methylphenidate (60 mg) and triazolam (0.5 mg) were included as positive and negative controls, respectively. Cocaine and methylphenidate, but neither modafinil nor triazolam, produced cocaine-like discriminative-stimulus, subject-rated, and cardiovascular effects. The results of the present experiment suggest that cocaine discrimination in humans is pharmacologically specific within and across drug classes. (C) 2002 Published by Elsevier Science Ireland Ltd.
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