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Effectiveness of a Combined Motivational Interviewing and Cognitive Behavioral Intervention to Reduce Substance Use
Tyrel J Starks1,2, Simone J Skeen3, S Scott Jones4
1Department of Psychology, Hunter College of the City University of New York (CUNY), 695 Park Ave. 611 Hunter North, New York, NY, 10065, USA. tstarks@hunter.cuny.edu.
Abstract:
This study evaluated the effectiveness of Project PLUS, a 6-session Motivational Interviewing and Cognitive Behavioral intervention to reduce substance use and improve antiretroviral therapy (ART) adherence among PLWH. In a quasi-experimental design, 84 participants from a network of three comprehensive care clinics in New York City received the intervention immediately post-baseline (the Immediate condition) and 90 were assigned to a Waitlist control. Viral load and CD4 data were extracted from electronic medical records (EMR) for a No-Intervention comparison cohort (n = 120). Latent growth curve analyses did not show a consistent pattern of significant between-group differences post-intervention or across time in ART adherence or substance use severity between Immediate and Waitlist participants. Additionally, Immediate intervention participants did not differ significantly from the Waitlist or No-Treatment groups on viral load or CD4 post-intervention or across time. The potential to detect intervention effects may have been limited by the use of a quasi-experimental design, the high quality of standard care at these clinics, or inadequate intervention dose.Trial Registration: ClinicalTrials.gov (NIH U.S. National Library of Medicine) Identifier: NCT02390908; https://clinicaltrials.gov/ct2/show/NCT02390908.
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