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AIMS The Center for Substance Abuse Treatment (CSAT) Methamphetamine Treatment Project (MTP) is the largest randomized clinical trial of treatments for methamphetamine (MA) dependence to date. The objective of the study was to compare the Matrix Model, a manualized treatment method, with treatment-as-usual (TAU) in eight community out-patient settings in(More)
The effectiveness of motivational enhancement therapy (MET) in comparison with counseling as usual (CAU) for increasing retention and reducing substance use was evaluated in a multisite randomized clinical trial. Participants were 461 outpatients treated by 31 therapists within 1 of 5 outpatient substance abuse programs. There were no retention differences(More)
The use of methamphetamine and cocaine have both produced significant public health problems during the past two decades. Although these powerful psychostimulants have many common acute and chronic effects, there are some important differences in who uses these drugs and the consequences of their use. This article reports on two large cohorts of(More)
CONTEXT Contingency management interventions that provide tangible incentives based on objective indicators of drug abstinence are efficacious in improving outcomes in substance abusers, but these treatments have rarely been implemented in community-based settings. OBJECTIVE To evaluate the efficacy of an abstinence-based contingency management(More)
The Matrix model was originally developed in response to the cocaine epidemic of the 1980s. The program consists of relapse prevention groups, education groups, social support groups, individual counseling, and urine and breath testing delivered in a structured manner over a 16-week period. The treatment is a directive, nonconfrontational approach which(More)
Relapse prevention techniques have recently been incorporated into some nonpharmacologic models of chemical dependency treatment. The neurobehavioral model of cocaine dependency treatment establishes a clear timetable for recovery from cocaine dependency and focuses on four distinct areas of functioning. Strategies for addressing these areas of functioning(More)
Methamphetamine (MA) abuse has been a problem in the western United States for decades. However, recently the incidence of MA abuse has risen to epidemic levels in some regions and among particular subgroups of the population. Recognizing the need to develop effective treatments for MA dependence, the Center for Substance Abuse Treatment (CSAT) established(More)
A six-session cognitive behavioral protocol has been developed for substance abusers who meet the description "hazardous users." This category includes individuals evidencing mild to moderate use of alcohol or other drugs, whose lifestyles are minimally disrupted, or who are displaying signs of problem use or abuse, but are unwilling to enter intensive(More)
Providers and their treatment programs are the focus of efforts to translate research into practice. In the best of partnerships, they are more than the recipients of research efforts, because they are actively involved in developing and evaluating healthy links between practice and research . This article reports on experiences in a multisite(More)
A treatment outcome study of adult patients treated for substance abuse disorders was conducted in which 80% of the participants were successfully contacted for follow-up six months post discharge. Analyses focused on baseline and outcome comparisons of patients with histories of sexual assault and patients with no history of sexual assault. The prevalence(More)
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