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

Mestre-Pintó, J I; Fonseca, F; Schaub, Michael P; Baumgartner, Christian; Alias-Ferri, M; Torrens, M

doi:10.1186/s13063-022-06399-2

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Mestre-Pintó, J. I., Fonseca, F., Schaub, M. P., Baumgartner, C., Alias-Ferri, M., & Torrens, M. (2022). 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, 23, 524. https://doi.org/10.1186/s13063-022-06399-2

Abstract

Background: Cannabis is the most-frequently used illicit drug in Europe. Over the last few years in Spain, treatment demand has increased, yet most cannabis users do not seek treatment despite the related problems. A web-based self-help tool, like CANreduce 2.0, could help these users to control their consumption.

Methods: This study protocol describes a three-arm randomized controlled trial (RCT) comparing the effectiveness of three approaches, in terms of reducing cannabis use among problematic cannabis users, the first two treatme