Defining and Predicting Opioid and Cocaine Treatment Response.
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| Title: | Defining and Predicting Opioid and Cocaine Treatment Response. |
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| Authors: | Gardner, Robert A. (AUTHOR), Epstein, David H. (AUTHOR), Preston, Kenzie L. (AUTHOR), Phillips, Karran A. (AUTHOR) |
| Source: | Substance Use & Misuse. 2019, Vol. 54 Issue 13, p2134-2143. 10p. 1 Chart. |
| Subjects: | Cocaine, Methadone treatment programs, Therapeutic use of narcotics, Substance abuse diagnosis, Diagnosis of drug addictions, Attitude (Psychology), Confidence intervals, Drug addiction, Fathers, Help-seeking behavior, Hepatitis C, Heroin, Interviewing, Research methodology, Classification of mental disorders, Narcotics, Psychotherapy, Therapeutics, White people, Treatment effectiveness, Patients' attitudes, Odds ratio |
| Abstract: | Background: Treatment with methadone is effective in reducing heroin use, HIV risk, and death; however, not all patients respond to treatment. Better outcomes may emerge with personalized treatment based on factors that influence treatment courses. Objectives: To investigate psychosocial variables contributing to treatment response, using a comprehensive definition of treatment response. Methods: Seventy participants seeking treatment for heroin and cocaine addiction completed up to 40 weeks of daily methadone. At week 22, we administered a semi-structured interview for DSM-IV symptoms. We defined opioid treatment responders as people still enrolled at 22 weeks, not meeting past 30-day criteria for DSM-IV opioid abuse or dependence or DSM-5 opioid use disorder, and providing ≥75% opioid-negative urine samples in the 30 days prior to week 22. The same criteria were applied to assess cocaine treatment response. Results: Sample was 71% male, 41% White, and averaged 39.4 ± 7.9 years old. Opioid treatment response was more likely in participants who had been employed over the past 3 years (OR: 8.1, 95% CI: 1.2–55) and less likely in those who spent more time on hobbies (OR: 0.45, 95% CI: 0.23–0.88). Cocaine treatment response was more likely in participants who had a good relationship with their father (OR: 5.3, 95% CI: 1.2–24) and less likely if positive for hepatitis C (OR: 0.15, 95% CI: 0.03–0.75). Conclusions: Pretreatment characteristics differentially predict treatment response for heroin and cocaine use. Similar research in diverse patient groups may aid in the development of personalized treatment combining biologic treatment with targeted psychosocial interventions. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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