Text messages may help young adults cut back on cannabis
NCT ID NCT07011615
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new mobile health program for young adults ages 18-29 who use cannabis frequently or use high-potency products. Participants receive personalized feedback and weekly text messages to reflect on their cannabis use and personal goals. The program aims to reduce the number of hours spent high per week and lessen negative consequences from cannabis use.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 29 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 18-29 years old * reside in Washington or Oregon State * have valid email address * report using cannabis on 15 or more days in the past month, and/or using high THC concentration products in the past month (\>60% THC) * have a mobile phone and agree to receive text messages and has an internet browser * not attending or enrolled at a 4-year college or university or graduate/professional school. Exclusion Criteria: * females who are pregnant or trying to become pregnant * those who are in substance abuse treatment at screening * those attending or enrolled at a 4-year college or university or graduate/professional school.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Washington
Seattle, Washington, 98195, United States
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Other studies related to the condition(s) this trial covers.
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