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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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Conditions
Cannabis Use, Risk Perception, Decision Making
Interventions
Cannabis Packaging Discrete Choice Experiment
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed Not applicable Interventional Accepts healthy volunteers Results available

Online Study of the Effects of Sugary Drink Warning Labels on Consumption

NCT05079477
Conditions
Food Preferences
Interventions
Exposure to sugar-sweetened beverage warning labels, Exposure to calorie information
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Smoking Cessation, Smoking, Cigarette
Interventions
text-only PWL, low arousal graphic PWL, high arousal graphic PWL, absolute risk, relative risk
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
19 Years to 64 Years
Enrollment
3,213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Columbus, Ohio
Recruiting Not applicable Interventional Accepts healthy volunteers

Developing and Testing Health Warning Labels on the ENDS Device

NCT04907136
Conditions
Electronic Cigarette Use
Interventions
Preferred ENDS, Preferred ENDS with HWL
Other
Lead sponsor
Florida International University
Other
Eligibility
21 Years to 35 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Miami, Florida
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Developing and Strengthening Cannabis Warnings: Warning Message Testing

NCT07699198
Conditions
Cannabis, Marijuana Use
Interventions
Constituents, Cognitive Functioning, Cardiovascular Health, Motor Vehicle Crashes, Dependence, Psychosis and Schizophrenia, Mental Health, Reproductive Health, Respiratory Health, Edibles, Cannabis Hyperemesis Syndrome, Control
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Developing and Testing Waterpipe-specific Health Warning Labels

NCT05317663
Conditions
Waterpipe Smoking, Health Warning Label, Harm Perception, Puffing Behaviour, Quitting Smoking, Health Risk Behaviors
Interventions
Test Health Warning Label (HWL), Test without Health Warning Label (no-HWL)
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
21 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Warning Labels on Ultra-Processed Foods

NCT06296355
Conditions
Health Behavior, Diet, Healthy
Interventions
Health Warning Label, Identity Warning Label, Barcode Label
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Phase 4 Interventional Accepts healthy volunteers

Improving Prescription Drug Warning Labels

NCT00846209
Conditions
Enhanced Text, Enhanced Text + Icon
Interventions
Enhanced drug labeling
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chicago, Illinois