期刊
AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE
卷 35, 期 6, 页码 434-438出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/00952990903384332
关键词
Cocaine; craving; cue reactivity; extinction; D-cycloserine
资金
- NCRR NIH HHS [M01 RR001070-315781, M01 RR001070, 5 M01 RR01070] Funding Source: Medline
- NIDA NIH HHS [K24 DA000435-10, K24 DA000435, 5 K24 DA00435] Funding Source: Medline
Background: D-cycloserine (DCS), a partial glutamate N-methyl- D-aspartic acid (NMDA) receptor agonist, enhances extinction of conditioned fear responding in rodents and facilitates exposure-based learning in humans with anxiety disorders. Objectives: This preliminary study investigates DCS pretreatment on response to cocaine cues in cocaine-dependent subjects. Methods: Ten cocaine-dependent subjects were randomly assigned to receive either 50 mg DCS or matching placebo two hours before each of two 1-hour cocaine cue exposure sessions one day apart. HR and craving ratings were obtained before and during cue exposure sessions. Results: There was a trend towards increased craving to cocaine cues in cocaine-dependent individuals after administration of DCS. Conclusions: The administration of DCS prior to cue exposure sessions may facilitate response activation. Scientific Significance: While facilitation of extinction-based learning by DCS may have therapeutic potential for cocaine dependence, this drug may exhibit a different profile in cocaine-dependent individuals as compared to those with anxiety disorders.
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