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Positive reinforcement targeting abstinence in substance misuse

Cluster randomised controlled trial of two Contingency Management schedules targeting treatment attendance or abstinence from street heroin use in people treated for heroin dependence

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN01591254
Enrollment
660
Registered
2012-11-19
Start date
2012-11-19
Completion date
Unknown
Last updated
2021-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mental Health Research Network

Interventions

Each of the 33 clinics will be their own cluster. Each clinic/cluster will be randomly assigned to one of the following trial arms (i.e., 20 participants per cluster, 11 clusters per arm, 220 particip

Sponsors

South London & Maudsley NHS Foundation Trust and Kings College London (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged >18 years 2. Seeking new episode of OST treatment 3. Agree to 12 week treatment programme promoting abstinence 4. Regular users of street heroin in preceding month (self report 15/30 use and all UDS in past 4 weeks opiate positive) 5. Opiate dependent (meeting ICD-10 criteria) and at liberty to participate in the study for 24 weeks 6. Willing and able to provide informed consent 7. Male or female

Exclusion criteria

Exclusion criteria: 1. Pregnant or breastfeeding 2. Active mental health problem 3. Patients referred into treatment under a criminal justice order 4. Patients who cannot read English AND require the service of an interpreter to understand a brief oral description of the study

Design outcomes

Primary

MeasureTime frame
Mean number of opiate negative urine test results during weeks 9-12

Secondary

MeasureTime frame
1. Retention in treatment at the 3-month and 6-month follow-up 2. Urine test results at the 6-month follow-up (3 months post-CM) 3. Indices of physical, psychological and social well-being 4. Health economic and criminal justice outcomes

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026