ISRCTN ISRCTN93702927
DOI https://doi.org/10.1186/ISRCTN93702927
Secondary identifying numbers #001
Submission date
18/03/2011
Registration date
06/05/2011
Last edited
19/09/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Study website

Contact information

Dr Michael Schaub
Scientific

Konradstrasse 32
Zurich
8031
Switzerland

Email michael.schaub@isgf.uzh.ch

Study information

Study designRandomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Other
Study typePrevention
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleSnow Control: a web-based self-help tool to reduce dependence in problematic cocaine users – a randomized controlled trial
Study acronymSC
Study objectivesA web-based cognitive-behavioral self-help tool is more effective in reducing cocaine dependence than an active control condition
Ethics approval(s)Local Ethics Committee of the Canton of Zurich December 1, 2009 (reference number: KEK-StV-Nr. 70/09)
Health condition(s) or problem(s) studiedCocaine use/misuse/dependence
Intervention1. Snow Control in the intervention group is a six week self-help intervention tool to reduce cocaine consumption
2. Snow Control in the intervention group is based on classical cognitive behavioural therapy (CBT) approaches for:
2.1. Cocaine addiction
2.2. Motivational interviewing for cocaine using individuals
2.3. Principles of self control
2.4. Relapse-Prevention Model
3. It is structured into three parts and includes the following eight modules that will be activated for access week by week with three additional voluntary modules (module 5, 6 and 7) that can be activated during week 5-6
4. In the control condition, participants receive 8 psycho-educative information on the risks, potential harms and other important information on their cocaine consumption also in a weekly manner within 6 weeks of intervention. After having read this information they participate in a weekly quiz to control their information knowledge.
5. Follow up will be at 6 months for both groups after the 6 intervention weeks
Intervention typeOther
Primary outcome measureSeverity of Dependence Scale SDS
Secondary outcome measures1. Cocaine Craving Questionnaire Brief (CCQ-B)
2. Simplified version of the Beck Depression Inventory (BDI-V)
3. Alcohol, tobacco and other substance use (last 30 days)
Overall study start date01/05/2010
Completion date31/08/2011

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants160
Total final enrolment196
Key inclusion criteria1. Age between 17 - 65
2. High speed internet access
Key exclusion criteria1. Beck Depression Inventory (BDI)-V>45
2. Suicidal thoughts
Date of first enrolment01/05/2010
Date of final enrolment31/08/2011

Locations

Countries of recruitment

  • Austria
  • Germany
  • Switzerland

Study participating centre

Konradstrasse 32
Zurich
8031
Switzerland

Sponsor information

Swiss Office for the Coordination of Addiction Facilities (INFODROG) (Switzerland)
Government

Eigerplatz 5
Postfach 460
Bern 14
3000
Switzerland

Website http://www.infodrog.ch
ROR logo "ROR" https://ror.org/01qtc5416

Funders

Funder type

Government

Swiss Office for the Coordination of Addiction Facilities (INFODROG) (Switzerland) (Nr. 4962/09/ZHZ/WSOK)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Protocol article protocol 25/09/2011 Yes No
Results article results 28/11/2012 19/09/2019 Yes No

Editorial Notes

19/09/2019: The following changes have been made:
1. Publication reference added.
2. The final enrolment number has been added from the reference.