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An evaluation of multidimensional therapy versus treatment as usual for young people, aged 10-17 years, who use drugs

Randomised controlled trial of multidimensional therapy versus treatment as usual for young people aged 10-17 years who use illegal drugs

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN10024151
Enrollment
400
Registered
2025-07-17
Start date
2025-11-01
Completion date
Unknown
Last updated
2026-01-12

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

Conditions

Substance use treatment for young people who offend or at risk of offending Mental and Behavioural Disorders

Interventions

Multidimensional Family Therapy delivered face-to-face by a trained therapist weekly over a 4-6 month period versus existing treatment as usual control. Participants have an equal probability of being

Sponsors

University of Kent
Lead Sponsor

Eligibility

Sex/Gender
All
Age
13 Years to 17 Years

Inclusion criteria

Inclusion criteria: 1. Young people aged 13-17 years inclusive who are resident in the Bristol or Newport LA 2. Currently involved with the police or youth justice service or at risk of offending. At risk of offending is defined as having at least one of the following risk factors, assessed on referral: 2.1. Previously being in the secure estate. 2.2. Currently, or previously, persistently absent from school (defined by DfE as 10% or more) 2.3. Have been the victim of violence 2.4. Currently, or have attended alternative education provision 2.5. Received multiple suspensions from school or has been permanently excluded 2.6. Have a sibling or parent who has been involved in serious violence or identified as facing exploitation harm 2.7. Currently, or have been, in the care system 2.8. Have been identified as being at risk of criminal exploitation 2.9. Currently or have had a social worker 2.10. Have previously been in contact with youth justice services 2.11. Have been arrested, admitted an offence and released by the police with no further action 3. Evidence of alcohol or substance use on at least 4 occasions in the past 28 days, assessed using a single substance use frequency question on referral to Barnardo’s 4. Willing and able to provide informed consent or willing to provide assent with a parent/carer willing to provide consent

Exclusion criteria

Exclusion criteria: 1. Alcohol or substance severity that requires inpatient residential treatment or immediate detoxification 2. Severe mental health condition requiring immediate psychiatric assessment

Design outcomes

Primary

MeasureTime frame
Percent days abstinent from substance use in the past 28 days assessed using the Time Line Follow-Back method at 6 months post-randomisation

Secondary

MeasureTime frame
1. Percent days abstinent from substance use in the past 28 days assessed using the Time Line Follow-Back method at 12 months post-randomisation 2. Self-reported volume of violent offending behaviour assessed using the Self-Report Delinquency Scale at 6 and 12 months post-randomisation 3. Behaviour: internalising behaviour (emotional regulation plus peer relationships subscales) assessed using the Strengths and Difficulties Questionnaire at 6 and 12 months post-randomisation 4. Externalising behaviour (hyperactivity plus conduct problems subscales) assessed using the Strengths and Difficulties Questionnaire at 6 and 12 months post-randomisation 5. Mental health and wellbeing assessed using the short Warwick Edinburgh Mental Wellbeing Scale at 6 and 12 months post-randomisation 6. Alcohol and substance use problems assessed using the European School Survey on Alcohol and Drugs - Problems Scale at 6 and 12 months post-randomisation

Countries

England, United Kingdom, Wales

Contacts

Public ContactAndrew Divers
a.divers@tees.ac.uk+44 (0)1642 218121

Outcome results

None listed

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