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CTN-0021
Primary
Outcomes

A Multisite Randomized Effectiveness Trial of Motivational Enhancement Therapy for Spanish-Speaking Substance Users.

Journal of Consulting and Clinical Psychology 2009;77(5):993-999. [doi: 10.1037/a0016489]

Kathleen M. Carroll, PhD (Yale University School of Medicine, NE Node), Steve Martino, PhD (Yale University School of Medicine, NE Node), Samuel A. Ball, PhD (Yale University School of Medicine, NE Node), Charla Nich (Yale University School of Medicine, NE Node), Tami L. Frankforter (Yale University School of Medicine, NE Node), Luis Añez, EdS, PsyD (Yale University School of Medicine, NE Node), Manuel Paris, Jr., PsyD (Yale University School of Medicine, NE Node), Lourdes Suarez-Morales, PhD (University of Miami School of Medicine, FL Node), José Szapocznik, PhD (University of Miami School of Medicine, FL Node), William R. Miller, PhD (University of New Mexico), Carmen L. Rosa, MS (Center for the Clinical Trials Network, NIDA CCTN), Julie Matthews (Advanced Behavioral Health, Inc., NE Node), Christiane Farentinos, MD, MPH, CADC II (ChangePoint Inc., OR/HI Node).

This is the Primary Outcomes Article for CTN-0021. Hispanic individuals are underrepresented in clinical and research populations and are often excluded from clinical trials in the United States. Hence, there are few data on the effectiveness of most empirically validated therapies for Hispanic substance users. The authors conducted a multisite randomized trial in the National Drug Abuse Treatment Clinical Trials Network (CTN) comparing the effectiveness of three individual sessions of motivational enhancement therapy with that of three individual sessions of counseling as usual on treatment retention and frequency of substance use (protocol NIDA-CTN-0021); all assessment and treatment sessions were conducted in Spanish among 405 individuals seeking treatment for any type of current substance use. Treatment exposure was good, with 66% of participants completing all three protocol sessions. Although both interventions resulted in reductions in substance use during the 4-week therapy phase, there were no significant Treatment Condition x Time interactions nor Site x Treatment Condition interactions.

Conclusions: The individual treatments delivered in Spanish were both attractive to and effective with this heterogeneous group of Hispanic adults, but the differential effectiveness of motivational enhancement therapy may be limited to those whose primary substance use problem is alcohol and may be fairly modest in magnitude. (Article (Peer-Reviewed), PDF, English, 2009)

Keywords: Alcohol | Behavior therapy | Community health services | CTN primary outcomes | Hispanics and Latinos | Minority groups | Motivational Enhancement Therapy (MET) | Journal of Consulting and Clinical Psychology (journal)

Document No: 359, PMID: 19803579, PMCID: PMC2792592.

Submitted by Julie Matthews, Node Coordinator, NE Node, 10/12/2009.

AUTHORS SEARCH LINK
Añes, Luis search
Ball, Samuel A. search mail
Carroll, Kathleen M. search mail
Farentinos, Christiane search  
Frankforter, Tami L. search mail
Martino, Steve search mail
Matthews, Julie search mail
Miller, William R. search  
Nich, Charla search mail
Paris, Manuel Jr. search
Rosa, Carmen L. search mail
Suarez-Morales, Lourdes search mail
Szapocznik, José search mail
PROTOCOLS
NIDA-CTN-0021 search www
PARTICIPATING NODES
Florida Node Alliance (Lead) search www
New England Consortium (formerly New England) (Lead) search www
Greater New York (formerly New York) search www
Rocky Mountain Regional search www
Southwest search www
Western States (formerly Oregon/Hawaii) search www

Supported by a grant from the National Institute on Drug Abuse to the University of Washington Alcohol and Drug Abuse Institute.
The materials on this site have neither been created nor reviewed by NIDA.
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