Contact information
Type
Scientific
Primary contact
Prof John Strang
ORCID ID
Contact details
King's College London
Institute of Psychiatry
National Addiction Centre
4 Windsor Walk
Camberwell
London
SE5 8AF
United Kingdom
+44 (0)20 7848 0438
john.strang@kcl.ac.uk
Additional identifiers
EudraCT number
ClinicalTrials.gov number
Protocol/serial number
071301
Study information
Scientific title
Acronym
Study hypothesis
The primary hypothesis to be tested is that: Motivational Interviewing (MI) will reduce frequency of cannabis use in comparison to an equally credible Drug Information and Advice (DIA) intervention after three months among young people aged 16 to 19 years old in Further Education (FE) colleges.
Ethics approval
Not provided at time of registration
Study design
Randomised controlled trial
Primary study design
Interventional
Secondary study design
Randomised controlled trial
Trial setting
Other
Trial type
Treatment
Patient information sheet
Condition
Drug addiction
Intervention
Interventions will be delivered by practitioners trained in both interventions, and will embrace the range of drugs currently being used by the young person. Recorded interventions will be analysed to identify process mechanisms associated with outcomes. Follow-up data will be collected after three and six months.
Intervention type
Other
Phase
Not Specified
Drug names
Primary outcome measures
The primary outcome will be frequency of use of cannabis.
Secondary outcome measures
1. Secondary outcomes will include the use of other illegal drugs and interactional indicators of risk
2. Secondary measures of use of cannabis, cigarettes, alcohol, stimulant drugs will include both consumption and related problems, including dependence
Overall trial start date
01/01/2004
Overall trial end date
09/01/2005
Reason abandoned
Eligibility
Participant inclusion criteria
1. Weekly cannabis smokers
2. Aged 16 to 19 years
3. In Further Education (FE) colleges
Participant type
Patient
Age group
Adult
Gender
Both
Target number of participants
320
Participant exclusion criteria
No exclusion criteria
Recruitment start date
01/01/2004
Recruitment end date
09/01/2005
Locations
Countries of recruitment
United Kingdom
Trial participating centre
King's College London
London
SE5 8AF
United Kingdom
Sponsor information
Organisation
King's College London (UK)
Sponsor details
Institute of Psychiatry
De Crespigny Park
London
SE5 8AF
United Kingdom
g.dale@iop.kcl.ac.uk
Sponsor type
University/education
Website
Funders
Funder type
Charity
Funder name
The Wellcome Trust (UK) (grant ref: 071301)
Alternative name(s)
Funding Body Type
Funding Body Subtype
Location
Results and Publications
Publication and dissemination plan
Not provided at time of registration
Intention to publish date
Participant level data
Not provided at time of registration
Results - basic reporting
Publication summary
1. 2008 results in http://www.ncbi.nlm.nih.gov/pubmed/18778385
Publication citations
-
Results
McCambridge J, Slym RL, Strang J, Randomized controlled trial of motivational interviewing compared with drug information and advice for early intervention among young cannabis users., Addiction, 2008, 103, 11, 1809-1818, doi: 10.1111/j.1360-0443.2008.02331.x.