Cannabis app trial found less use, without clear changes in disorder severity
A culturally tailored mobile program for Black adults with probable cannabis use disorder showed promising use-related results, while several other outcomes did not improve significantly.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The intervention group showed lower cannabis-use frequency and less time intoxicated than the assessment-only group. However, cannabis-related problems and disorder severity did not show significant improvement at follow-up. This small preliminary trial suggests changes in some use patterns, while leaving broader clinical benefit and longer-term effects unresolved.
The trial was preliminary, and the abstract does not provide effect sizes or confidence intervals. The authors call for larger trials; persistence of any benefit beyond the study period remains unclear.
What researchers found
Cannabis-use frequency and time intoxicated
Mobile intervention plus assessments versus assessments alone during the 6-week trial; effect sizes were not reported.
What both groups received
Both groups completed repeated assessments in daily life. Only the intervention group also received the culturally tailored mobile program, which combined skills addressing cannabis use with skills targeting behaviors described as false safety behaviors.
Engagement and clinical outcomes differ
The authors described the program as feasible and acceptable, with high engagement. Those implementation findings are distinct from clinical outcomes: cannabis-related problems, disorder severity, and false safety behavior use showed no significant intervention effects.
The original publication
Mobile intervention to address cannabis use disorder among black adults: A proof-of-concept randomized controlled trial.
Garey L, Jones AA, Nizio P et al.
Behav Res Ther · 2025
- PubMed ID
- 41109077
- Record checked
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