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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)
This review examines the evidence for longitudinal predictors of substance use and abuse in emerging adulthood. Nationally representative data from the 2007 National Survey on Drug use and Health suggest that many substance use problems reach their peak prevalence during emerging adulthood (usually defined as the period from age 18 to age 26). This stage of(More)
The recent West Coast experience with increased methamphetamine use is showing signs of spreading to other parts of the US. The risk of corresponding medical and psychosocial problems has led to a call to action at the highest levels of government. The next few years will likely witness a substantial increase in treatment research on methamphetamine(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)
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)
Increasing numbers of methamphetamine users sought treatment during the decade of the 1990s. Little is known about the post treatment status of methamphetamine users who enter treatment. The data presented in this paper describe the outcome status of a group of a convenience sample of 114 methamphetamine users from a total group of 500 methamphetamine users(More)
The current report examined HIV-related high risk sexual behaviors among a small sample of gay and bisexual male methamphetamine abusers in Los Angeles. Participants were 16 methamphetamine-abusing or -dependent gay or bisexual males who participated in a treatment demonstration project between 1989 and 1993. All participants completed the NIDA/WAVE survey,(More)
This study examined two issues. One, whether individuals with possible substance use disorders were more likely to be admitted to specialized chemical dependency (CD) treatment after receiving a brief intervention (BI) - either alone or in combination with other services - than similar individuals who did not receive a BI. Two, whether participation in(More)
BACKGROUND Methamphetamine dependence and associated medical and psychiatric concerns are significant public health issues. This project evaluated the efficacy of sertraline (50mg bid) and contingency management (CM) for the treatment of methamphetamine dependence. METHOD In this randomized, placebo-controlled, double-blind trial, participants completed a(More)