Comparing the Spanish Version of CANreduce With or Without Psychological Support and Treatment as Usual, Reducing Cannabis Use.
NCT ID: NCT04517474
Last Updated: 2021-11-08
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
UNKNOWN
NA
300 participants
INTERVENTIONAL
2020-11-10
2022-12-01
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
This study will test the effectiveness of the Spanish version of the enhanced web-based self-help intervention with psychological support, an enhanced web-based self-help intervention (without psychological support) and a waiting list control in reducing cannabis use in problematic users.
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Keywords
Explore important study keywords that can help with search, categorization, and topic discovery.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
CANreduce with psychological support
Adherence-focused guidance enhanced web-based self-help for the reduction of cannabis use with psychological support
CANreduce
CANreduce is an automated web-based self-help tool based on classical Cognitive Behavioral Treatment (CBT) approaches for treating cannabis dependence. It will consist of a consumption diary, eight modules designed to reduce cannabis use based on the principles of motivational interviewing, self-control practices, and methods of cognitive behavioral therapy ( strategies for goal achievement, Identifying risk situations, Dealing with cannabis craving, Dealing with relapses, Working on needs, Saying "no" to foster refusal skills, Dealing with burdens, Preserving achievements). Participants can study all modules at their own pace and order, though a specific order will be advised.
psychological support
psychological support
CANreduce without psychological support
Adherence-focused guidance enhanced web-based self-help for the reduction of cannabis use without psychological support
CANreduce
CANreduce is an automated web-based self-help tool based on classical Cognitive Behavioral Treatment (CBT) approaches for treating cannabis dependence. It will consist of a consumption diary, eight modules designed to reduce cannabis use based on the principles of motivational interviewing, self-control practices, and methods of cognitive behavioral therapy ( strategies for goal achievement, Identifying risk situations, Dealing with cannabis craving, Dealing with relapses, Working on needs, Saying "no" to foster refusal skills, Dealing with burdens, Preserving achievements). Participants can study all modules at their own pace and order, though a specific order will be advised.
Treatment as usual
Users will be prompt to a web with a list of the treatment centers nearby their postal code
No interventions assigned to this group
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
CANreduce
CANreduce is an automated web-based self-help tool based on classical Cognitive Behavioral Treatment (CBT) approaches for treating cannabis dependence. It will consist of a consumption diary, eight modules designed to reduce cannabis use based on the principles of motivational interviewing, self-control practices, and methods of cognitive behavioral therapy ( strategies for goal achievement, Identifying risk situations, Dealing with cannabis craving, Dealing with relapses, Working on needs, Saying "no" to foster refusal skills, Dealing with burdens, Preserving achievements). Participants can study all modules at their own pace and order, though a specific order will be advised.
psychological support
psychological support
Other Intervention Names
Discover alternative or legacy names that may be used to describe the listed interventions across different sources.
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
* At least 18 years old
* At least weekly internet access and a valid email address
Exclusion Criteria
* Use of other pharmacological and psychosocial treatments for cannabis use disorders
* Inability to read or write in Spanish
18 Years
ALL
No
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
Research Institute for Public Health and Addiction, Switzerland
OTHER
Parc de Salut Mar
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Marta Torrens, PhD
Role: PRINCIPAL_INVESTIGATOR
Hospital del Mar Research Institute (IMIM)
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
Juan-Ignacio Mestre-Pinto
Barcelona, Catalonia, Spain
Countries
Review the countries where the study has at least one active or historical site.
Central Contacts
Reach out to these primary contacts for questions about participation or study logistics.
Facility Contacts
Find local site contact details for specific facilities participating in the trial.
Juan-Ignacio Mestre-Pinto, PhD
Role: primary
References
Explore related publications, articles, or registry entries linked to this study.
Amann M, Haug S, Wenger A, Baumgartner C, Ebert DD, Berger T, Stark L, Walter M, Schaub MP. The Effects of Social Presence on Adherence-Focused Guidance in Problematic Cannabis Users: Protocol for the CANreduce 2.0 Randomized Controlled Trial. JMIR Res Protoc. 2018 Jan 31;7(1):e30. doi: 10.2196/resprot.9484.
Schaub MP, Wenger A, Berg O, Beck T, Stark L, Buehler E, Haug S. A Web-Based Self-Help Intervention With and Without Chat Counseling to Reduce Cannabis Use in Problematic Cannabis Users: Three-Arm Randomized Controlled Trial. J Med Internet Res. 2015 Oct 13;17(10):e232. doi: 10.2196/jmir.4860.
Mestre-Pinto JI, Fonseca F, Schaub MP, Baumgartner C, Alias-Ferri M, Torrens M. CANreduce-SP-adding psychological support to web-based adherence-focused guided self-help for cannabis users: study protocol for a three-arm randomized control trial. Trials. 2022 Jun 22;23(1):524. doi: 10.1186/s13063-022-06399-2.
Related Links
Access external resources that provide additional context or updates about the study.
Web of the Spanish study (in Spanish)
Web of the Swiss study (in German)
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
2019/8901/I
Identifier Type: -
Identifier Source: org_study_id