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The authors review the literature examining the validity and significance of cannabis withdrawal syndrome. Findings from animal laboratory research are briefly reviewed, and human laboratory and clinical studies are surveyed in more detail. Converging evidence from basic laboratory and clinical studies indicates that a withdrawal syndrome reliably follows(More)
OBJECTIVE To assess whether incentives improved treatment outcome in ambulatory cocaine-dependent patients. METHOD Forty cocaine-dependent adults were randomly assigned to behavioral treatment with or without an added incentive program. The behavioral treatment was based on the Community Reinforcement Approach and was provided to both groups. Subjects in(More)
PURPOSE OF REVIEW The demand for treatment for cannabis dependence has grown dramatically. The majority of the people who enter the treatment have difficulty in achieving and maintaining abstinence from cannabis. Understanding the impact of cannabis withdrawal syndrome on quit attempts is of obvious importance. Cannabis, however, has long been considered a(More)
OBJECTIVE The authors compared the efficacy of a multicomponent behavioral treatment and drug abuse counseling for cocaine-dependent individuals. METHOD The 38 patients were enrolled in outpatient treatment and were randomly assigned to the two treatments. Counseling in the behavioral treatment was based on the community reinforcement approach, while the(More)
OBJECTIVE The aim of this study was to assess the efficacy of a behavioral treatment program for achieving initial cocaine abstinence in individuals enrolled in outpatient treatment for cocaine dependence. METHOD Thirteen consecutively admitted outpatients were offered behavioral treatment consisting of contingency management procedures and the community(More)
Sixty individuals seeking outpatient treatment for marijuana dependence were randomly assigned to 1 of 3 treatments: motivational enhancement (M), M plus behavioral coping skills therapy (MBT), or MBT plus voucher-based incentives (MBTV). In the voucher-based incentive program, participants earned vouchers exchangeable for retail items contingent on them(More)
This naturalistic telephone survey study compared perceptions of withdrawal severity in 67 daily cannabis users and 54 daily tobacco cigarette smokers who made quit attempts during the prior 30 days. A Withdrawal Symptom Checklist assessed the severity of abstinence symptoms and a Likert scale assessed perceived relations between abstinence symptoms and(More)
The present study was conducted to identify predictors of cocaine abstinence during outpatient behavioral treatment for cocaine dependence. Subjects were 52 cocaine-dependent adults. Stepwise logistic regression was used to identify predictors of abstinence during a 12-week treatment program. Demographic, drug use, and other subject characteristics were(More)
Sixty-two individuals seeking treatment for marijuana dependence completed a comprehensive assessment. Sociodemographics, substance use, psychosocial functioning, psychiatric symptoms, and medical status were compared with similar data collected from 70 treatment-seeking, cocaine-dependent individuals. Substantial psychosocial and psychiatric problems were(More)