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A study to assess whether the intervention Moti-4 is effective in influencing adolescents cannabis use.


- candidate number14042
- NTR NumberNTR3730
- ISRCTNISRCTN wordt niet meer aangevraagd.
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR29-nov-2012
- Secondary IDs12-N-110 METC
- Public TitleA study to assess whether the intervention Moti-4 is effective in influencing adolescents cannabis use.
- Scientific TitleA RCT of the moti-4 intervention.
- ACRONYMRCT Moti4
- hypothesisAs a result of the moti-4 intervention, participants will use less cannabis and/or change the stage of motivation positively.
- Healt Condition(s) or Problem(s) studiedCannabis, Substance abuse, Motivational interviewing, Early intervention
- Inclusion criteria1. Age 14-24;
2. Use of cannabis in last month.
- Exclusion criteria1. <14 or >24;
2. No cannabis use in last month.
- mec approval receivedyes
- multicenter trialyes
- randomisedyes
- masking/blindingNone
- controlActive
- groupParallel
- Type2 or more arms, randomized
- Studytypeintervention
- planned startdate 1-nov-2012
- planned closingdate31-dec-2013
- Target number of participants180
- InterventionsTarget group: Young (13-23) cannabis users.
Condition: Moti-4; a four session intervention based on motivation interviewing.
Control: Protocollised information session; one session business as usual, no motivational interviewing.
- Primary outcome1. Change in amount of cannabis registered last week;
2. Change in stage of motivation (RCQ).
- Secondary outcome1. Change in intention;
2. Change in knowledge;
3. Change in planning.
- Timepoints1-11-2012: Start inclusion pre post test;
1-4-2013: Start posttest after 6 mnths (t3);
1-7-2013: End inclusion;
31-2013: Last posttest (t3).
- Trial web siteN/A
- statusplanned
- CONTACT FOR PUBLIC QUERIES J.B.H.M. Dupont
- CONTACT for SCIENTIFIC QUERIES J.B.H.M. Dupont
- Sponsor/Initiator CAPHRI, The Research Institute of the University Maastricht and University Hospital Maastricht (AZM), University Maastricht (UM), NUTRIM
- Funding
(Source(s) of Monetary or Material Support)
CAPHRI, The Research Institute of the University Maastricht , Nutrition and Toxicology Research Institute Maastricht (NUTRIM)
- PublicationsN/A
- Brief summaryThe basis of the moti-4 program is to motivate behavioral change, using the Circle of Behaviour (Prochaska and DiClemente, 1984) and the appropriate use of Motivational interviewing (Miller and Rollnick, 2005). Other underlaying theories were used to further develop moti-4. In this randomised controlled trial we compare youngsters in the moti4 condition with youngsters getting a one session business as usual information session. Main outcome measures are the consumption of cannabis in the last week and the stage of motivational change.
- Main changes (audit trail)
- RECORD29-nov-2012 - 16-dec-2012


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