DATOS

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ABOUT DATOS BACKGROUND (DARP/TOPS) ADULTS Introduction Services 1-Year Outcomes Retention Engagement History Effects Cocaine Treatment Cost Benefits 5-Yr Outcomes ADOLESCENTS Introduction Services 1-Yr Outcomes Engagement Special Populations PUBLICATIONS Listed by Year Listed by Topics Special Collections PRESENTATIONS WHAT'S NEW CONTENTS SEARCH Drug and Alcohol Dependence (1999) Simpson, D. D. & Brown, B. (Guest Eds.). (1999). Special issue: Treatment process and outcome studies from DATOS. Drug and Alcohol Dependence, 57(2), 81-174. Editors' Summary: This year's last issue of the journal Drug and Alcohol Dependence (December 1999) features a collection of new studies from the Drug Abuse Outcome Treatment Studies (DATOS) project, a collaborative research effort funded by the National Institute on Drug Abuse (NIDA) from 96 treatment programs in 11 U.S. cities. IBR at TCU, NDRI (National Development and Research Institutes), and the Drug Abuse Research Center at UCLA joined with NIDA in this 5-year project, which continued in the spirit of earlier national multi-site studies such as DARP (Drug Abuse Reporting Program) and TOPS (Treatment Outcome Prospective Study). The issue also reports on recent findings from a national treatment outcome study in England. 1) Fletcher, B. W., & Battjes, R. J. (1999). Introduction to the special issue: Treatment process in DATOS. Drug and Alcohol Dependence, 57(2), 81-87. Abstract: Several important findings from the Drug Abuse Treatment Outcome Studies (DATOS) are presented in this issue of drug and alcohol dependence. These studies focus on the drug abuse treatment process in areas of engagement in treatment and participation in program activities, the effect of the patient's age and treatment history in predicting treatment retention and outcomes, and the impact of prior treatment experience on the level of treatment engagement and subsequent outcomes. A cost-benefit model for drug abuse treatment is developed. Significant contributions are made in the development of a comprehensive model of the treatment process, including the relationship of patient attributes, program factors, and outcomes. Findings on retention from the United Kingdom's national treatment outcome research study (NTORS), a study similar in design to DATOS, also are presented. [Keywords: DATOS; treatment process; cost-benefit model] 2) Gossop, M., Marsden, J., Stewart, D., & Rolfe, A. (1999). Treatment retention and 1 year outcomes for residential programmes in England. Drug and Alcohol Dependence, 57(2), 89-98. Abstract: This paper reports changes in substance use behaviours at 1-year follow-up, and investigates the relationship between time in treatment and observed outcomes. A total of 408 clients were interviewed at intake to 23 residential treatment programmes, and 286 (70%) of these were interviewed at 1 year. Substantial improvements were found in terms of abstinence from opiates, psychostimulants and benzodiazepines. At 1 year, half of the clients were abstinent from heroin. Reductions in injecting, sharing injecting equipment, heavy drinking and criminal behaviour were found.

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