Titre : | Shaping cocaine abstinence by successive approximation |
Auteurs : | K. L. PRESTON ; A. UMBRICHT ; C. J. WONG ; D. H. EPSTEIN |
Type de document : | Périodique |
Année de publication : | 2001 |
Format : | 643-654 / tabl. |
Note générale : | Journal of Consulting and Clinical Psychology, 2001, 69, (4), 643-654 |
Langues: | Anglais |
Discipline : | TRA (Traitement et prise en charge / Treatment and care) |
Mots-clés : |
Thésaurus mots-clés COCAINE ; ABSTINENCE ; METHADONE ; TRAITEMENT DE MAINTENANCE ; POLYCONSOMMATION ; DEPISTAGE ; URINE ; ENQUETE |
Résumé : | Cocaine-using methadone-maintenance patients were randomized to standard contingency management (abstinence group, n = 49) or to a contingency designed to increase contact with reinforcers (shaping group, n = 46). For 8 weeks, both groups earned escalating-value vouchers based on thrice-weekly urinalyses: The abstinence group earned vouchers for cocaine-negative urines only; the shaping group earned vouchers for each urine specimen with a 25% or more decrease in cocaine metabolite (first 3 weeks) and then for negative urines only (last 5 weeks). Cocaine use was lower in the shaping group, but only in the last 5 weeks, when the response requirement was identical. Thus, the shaping contingency appeared to better prepare patients for abstinence. A 2nd phase of the study showed that abstinence induced by escalating-value vouchers can be maintained by a nonescalating schedule, suggesting that contingency management can be practical as a maintenance treatment. |
Domaine : | Drogues illicites / Illicit drugs |
Refs biblio. : | 43 |
Affiliation : | Intramural Research Program, National Institute on Drug Abuse, Baltimore, Maryland 21224, USA |
Numéro Toxibase : | 1300345 |
Centre Emetteur : | 13 OFDT |
Cote : | A01075 |
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