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This study is being completed to pilot prevention methods to promote wellness and reduce risky behaviors, including the use of substances such as cannabis. This study will help researchers learn about ways of delivering this information that is both appealing and helpful to young adults who use mobile apps.
Locally preserved from ClinicalTrials.govOpen ClinicalTrials.govlast source update 2026-10-27
What this record can show
Results are reported by the registry submitter and preserved exactly. They are not independent verification or a treatment recommendation.
Registry facts
Linked local records
Local links use governed condition terms or exact source-reported intervention names. They are navigation candidates, not efficacy claims.
Interventions
Behavioral: MiWaves behavioral messages Participants will be using the MiWaves mobile app for 30 days. When a participant is assigned to receive a message, a message will be randomly selected from a pool of intervention message sets. Messages are based in motivational interviewing and include affect management and behavioral economic strategies.
Source-reported results
Results are reported by the registry submitter and preserved exactly. They are not independent verification or a treatment recommendation.
% of participants who consented to the study who download the MiWaves app.
Population: App feasibility outcome is operationalized as % of participants who consented to the study who download the MiWaves app. Not all that consented to the study were included in study flow since not all that consented downloaded the app. Therefore, the number analyzed for app feasibility is greater than the number in the participant flow.
| Group | N | Value | Spread / interval |
|---|---|---|---|
| JITAI | 137 | 122 | - |
Participants will complete acceptability ratings for the MiWaves app within their post-test assessment (percent with positive rating).
| Group | N | Value | Spread / interval |
|---|---|---|---|
| JITAI | 112 | 90 | - |
Eligibility
primary outcomes
Time frame: 1 month
% of participants who consented to the study who download the MiWaves app.
Time frame: 1 month
Participants will complete acceptability ratings for the MiWaves app within their post-test assessment (percent with positive rating).
Publications
No exact PMID-linked public article is currently readable locally.
| Milestone | JITAI |
|---|---|
| STARTED | 122 |
| COMPLETED | 122 |
| NOT COMPLETED | 0 |
Organisations & named parties
Organisation links are temporarily unavailable.