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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)
BACKGROUND This study compared 2 psychosocial approaches for the treatment of cocaine dependence: contingency management (CM) and cognitive-behavioral therapy (CBT). METHODS Patients with cocaine dependence who were receiving methadone maintenance treatment (n = 120) were randomly assigned to 1 of 4 conditions: CM, CBT, combined CM and CBT (CBT + CM), or(More)
AIMS Previous research has reported that both contingency management (CM) and cognitive-behavioral therapy (CBT) are efficacious interventions for the treatment of stimulant abusers. The present study sought to directly compare the effectiveness of (CM) and (CBT) alone and in combination in reducing stimulant use. DESIGN Randomized clinical trial. (More)
AIM Modafinil was tested for efficacy in decreasing use in methamphetamine-dependent participants, compared to placebo. METHODS This was a randomized, double-blind, placebo-controlled study, with 12 weeks of treatment and a 4-week follow-up. Eight outpatient substance abuse treatment clinics participated in the study. There were 210 treatment-seekers(More)
This study examined participant characteristics and treatment response among substance-abusing adolescents who received outpatient treatment (N=305, 70.2% adolescent male, 55.3% White, 33.1% Latino, average age of 16 years). Chart reviews were performed on existing intake and discharge assessments between 1999 and 2003 from two Matrix Institute on(More)
AIMS LAAM, a long-acting opioid agonist, was approved by the US Food and Drug Administration in 1993 for use in licensed narcotic treatment programs. These programs have the exclusive authority in the United States to dispense methadone and LAAM for the treatment of opiate dependence. The purpose of this report is to describe the course of LAAM's(More)
Based upon a sample of 83 cocaine users self-selected into one of 3 programs, several conclusions seem possible. There seems to be little difference in Ss populations who choose hospital, outpatient or self-help/no treatment. Current hospital aftercare programs may not be appropriately oriented for cocaine users. It appears the hospital program in this(More)
The Matrix model of outpatient treatment was developed during the 1980s in response to an overwhelming demand for cocaine abuse treatment services. The model was constructed using components based upon empirically supported findings from the substance abuse research field. Over the course of development, data were collected on the treatment model and the(More)
The current study examined the effectiveness of Matrix outpatient stimulant treatment. We associated 146 subjects' in-treatment abstinence data, treatment lengths, and weekly treatment activities to their 6-month abstinence outcomes as part of an interim analysis of a NIDA treatment demonstration project. Results indicated that the pretreatment subject(More)