Retention of patients in opioid substitution treatment: A systematic review

Retention in opioid substitution (OST) treatment is associated with substantial reductions in all cause and overdose mortality. This systematic review aims to identify both protective factors supporting retention in OST, and risk factors for treatment dropout. A systematic search was performed using...

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Veröffentlicht in:PloS one 2020-05, Vol.15 (5), p.e0232086-e0232086
Hauptverfasser: O'Connor, Aisling Máire, Cousins, Gráinne, Durand, Louise, Barry, Joe, Boland, Fiona
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Cousins, Gráinne
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Barry, Joe
Boland, Fiona
description Retention in opioid substitution (OST) treatment is associated with substantial reductions in all cause and overdose mortality. This systematic review aims to identify both protective factors supporting retention in OST, and risk factors for treatment dropout. A systematic search was performed using MEDLINE, Embase, PsycInfo, CINAHL and Web of Science (January 2001 to October 2019). Randomised controlled trials (RCTs) and observational cohort studies reporting on retention rates and factors associated with retention in OST were included. Factors associated with treatment retention and dropout were explored according to the Maudsley Addiction Profile. A narrative synthesis is provided. 67 studies were included in this review (4 RCTs and 63 observational cohort studies; N = 294,592), all assessing factors associated with retention in OST or treatment dropout. The median retention rate across observational studies was approximately 57% at 12 months, which fell to 38.4% at three years. Studies included were heterogeneous in nature with respect to treatment setting, type of OST, risk factor assessment, ascertainment of outcome and duration of follow-up. While the presence of such methodological heterogeneity makes it difficult to synthesise results, there is limited evidence to support the influence of a number of factors on retention, including age, substance use, OST drug dose, legal issues, and attitudes to OST. Younger age, substance use particularly cocaine and heroin use, lower doses of methadone, criminal activity/incarceration, and negative attitudes to MMT appear to be associated with reduced retention in OST. A consensus definition of retention is required to allow for comparability across future studies.
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This systematic review aims to identify both protective factors supporting retention in OST, and risk factors for treatment dropout. A systematic search was performed using MEDLINE, Embase, PsycInfo, CINAHL and Web of Science (January 2001 to October 2019). Randomised controlled trials (RCTs) and observational cohort studies reporting on retention rates and factors associated with retention in OST were included. Factors associated with treatment retention and dropout were explored according to the Maudsley Addiction Profile. A narrative synthesis is provided. 67 studies were included in this review (4 RCTs and 63 observational cohort studies; N = 294,592), all assessing factors associated with retention in OST or treatment dropout. The median retention rate across observational studies was approximately 57% at 12 months, which fell to 38.4% at three years. 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subjects Addictions
Attitudes
Bias
Biology and Life Sciences
Clinical trials
Cocaine
Crime
Drug abuse
Drug overdose
Drug therapy
Future predictions
Health risks
Heroin
Heterogeneity
Legal issues
Management
Medicine and Health Sciences
Methadone
Methadone maintenance
Mortality
Narcotics
Narratives
Nature
Observational studies
Opioid abuse
Opioids
Overdose
Patient compliance
Patient outcomes
Physical Sciences
Research and Analysis Methods
Retention
Risk analysis
Risk factors
Setting (Literature)
Social Sciences
Studies
Substance abuse
Substance abuse treatment
Substance use
Substitutes
title Retention of patients in opioid substitution treatment: A systematic review
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