- Conditions
- Vaping
- Interventions
- Exposure to Influencer Age and Context Variations in E-Cigarette Marketing
- Other
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 14 Years to 17 Years
- Enrollment
- 6,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2027 – 2030
- U.S. locations
- 1
- States / cities
- Los Angeles, California
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- Conditions
- Vaping
- Interventions
- Youth Perceptions of Influencer Age and Fitness Contexts in E-Cigarette Marketing
- Other
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 14 Years to 17 Years
- Enrollment
- 700 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Vaping
- Interventions
- Influencer marketing
- Other
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 13 Years to 17 Years
- Enrollment
- 664 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Vaping
- Interventions
- Videos featuring influencers promoting e-cigarettes alongside healthy lifestyle activities
- Other
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years to 24 Years
- Enrollment
- 1,500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Electronic Nicotine Delivery Systems
- Interventions
- Influencer marketing
- Behavioral
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 16 Years to 17 Years
- Enrollment
- 1,462 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California