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Special Supplement to Journal of Substance Abuse Treatment, "A Decade of Research by the National Drug Abuse Treatment Clinical Trials Network."

 

Multisite Effectiveness Trials of Treatments for Substance Abuse and Co-Occurring Problems: Have We Chosen the Best Designs?

Journal of Substance Abuse Treatment 2010;39(suppl 1):S97-S112. [doi: 10.1016/j.jsat.2010.01.012]

Edward V. Nuñes, MD (New York State Psychiatric Institute, LI Node), Samuel A. Ball, PhD (Yale University School of Medicine, NE Node), Robert E. Booth, PhD (University of Colorado Health Sciences Center, RM Node), Gregory S. Brigham, PhD (Maryhaven, Inc., OV Node), Donald A. Calsyn, PhD (Alcohol and Drug Abuse Institute, PN Node), Kathleen M. Carroll, PhD (Yale University School of Medicine), Daniel J. Feaster, PhD (University of Miami School of Medicine, FL Node), Denise A. Hien, PhD (New York State Psychiatric Institute, LI Node), Robert L. Hubbard, PhD, MBA (Duke University Medical Center, NC Node), Walter Ling, MD (Integrated Substance Abuse Programs, UCLA, PR Node), Nancy M. Petry, PhD (University of Connecticut Health Center, NE Node), John Rotrosen, MD (VA New York Harbor Healthcare System, NY Node), Jeffrey A. Selzer, MD (Committee for Physician Health, LI Node), Maxine L. Stitzer, PhD (Johns Hopkins University School of Medicine, MA Node), Susan Tross, PhD (New York State Psychiatric Institute, LI Node), Paul G. Wakim, PhD (NIDA Center for the Clinical Trials Network), Theresa M. Winhusen, PhD (University of Cincinnati/CinARC, OV Node), George E. Woody, MD (University of Pennsylvania School of Medicine, DV Node).

Multisite effectiveness trials such as those carried out in the National Drug Abuse Treatment Clinical Trials Network (CTN) are a critical step in the development and dissemination of evidence-based treatments because they address how such treatments perform in real-world clinical settings. Several possible experimental designs may be chosen for such effectiveness trials. These include (a) a new treatment intervention (Tx) is compared to an existing mode of community based treatment as usual (TAU): Tx versus TAU; (b) a new intervention is added to TAU and compared to TAU alone: Tx + TAU versus TAU; or (c) a new intervention is added to TAU and compared to a control condition added to TAU: Tx + TAU versus control + TAU. Each of these designs addresses a different question and has different potential strengths and weaknesses. As of December 2009, the primary outcome paper had been published for 16 of the multisite randomized clinical trials conducted in the CTN, testing various treatments for drug abuse, HIV risk behavior, or related problems. This paper systematically examines, for each of the completed trials, the experimental design type chosen and its original rationale, the main findings of the trial, and the strengths and weaknesses of the design in hindsight. Based on this review, recommendations are generated to inform the design of future effectiveness trials on treatments for substance abuse, HIV risk, and other behavioral health problems. Addressing the right questions, looking closely at effect size and power, as well as internal versus external validity, and more consideration for three-arm designs and cost-effectiveness will serve well the goals of effectiveness research. (Article (Peer-Reviewed), PDF, English, 2010)

Keywords: CTN 10-year anniversary | Cost-effectiveness | Research design | Sample size | Journal of Substance Abuse Treatment (journal)

Document No: 436, PMID: 20307801, PMCID: PMC2909698.

Submitted by the CTN Dissemination Librarians (3/23/2010).

AUTHORS SEARCH LINK
Ball, Samuel A. search mail
Booth, Robert E. search
Brigham, Gregory search mail
Calsyn, Donald A. search mail
Carroll, Kathleen M. search mail
Feaster, Daniel J. search mail
Hien, Denise A. search mail
Hubbard, Robert L. search
Ling, Walter search mail
Nuñes, Edward V. search mail
Petry, Nancy M. search mail
Rotrosen, John search mail
Selzer, Jeffrey A. search mail
Stitzer, Maxine L. search mail
Tross, Susan search mail
Wakim, Paul G. search mail
Winhusen, Theresa M. search mail
Woody, George E. search mail
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Supported by a grant from the National Institute on Drug Abuse to the University of Washington Alcohol and Drug Abuse Institute.
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