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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Label with text health warning Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Pictorial Warning Labels & Memory for Relative & Absolute Cigarette Health-risk Information Over Time in Adult Smokers

NCT03499340
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT05079477
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional

Testing the Influence of Different Sugary Drink Warning Label Designs

NCT03648138
View directory record Official record
Conditions
Obesity, Weight Gain, Diabetes Type 2
Interventions
Sugary drink warning labels
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,016 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Sep 25, 2026, 1:19 PM EDT
Active, not recruiting Not applicable Interventional

A Novel Remote Patient and Medication Monitoring Solution to Improve Adherence and PerSiStence With IBD Therapy

NCT05316584
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis
Interventions
Remote monitoring
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 80 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
5
States / cities
Baltimore, Maryland • New York, New York • Chapel Hill, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of UPF Warning Labels on Social Media Among Teens and Young Adults

NCT07227519
View directory record Official record
Conditions
Nutrition, Healthy Diet, Food Preferences
Interventions
UPF Warning Labels, No Labels (Control)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
13 Years to 29 Years
Enrollment
1,012 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Cigarette Pack Constituent Disclosures

NCT02785484
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Label with constituent disclosure message, Label with litter message
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
784 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Graphic Cigarette Warnings

NCT02247908
View directory record Official record
Conditions
Smoking
Interventions
Surgeon General's Warning, Graphic Warning
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
2,149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Oakland, California • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2016 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Are Sugar-Sweetened Beverage Information Labels Well-Targeted

NCT05038163
View directory record Official record
Conditions
Soft Drink Consumption, Sugar-sweetened Beverages, Information Labels
Interventions
Nutrition Facts, Text Warning, Graphic Warning
Other
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
5,845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing and Evaluating Product Messaging

NCT04716010
View directory record Official record
Conditions
Cancer of Colon, Cancer of Rectum
Interventions
Control, Warning Labels, Tax, Combined Warning Labels and Tax
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
4,160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Sugar-Sweetened Beverage Health Warnings

NCT03511937
View directory record Official record
Conditions
Dietary Habits
Interventions
Sugar-Sweetened Beverage Health Warning Label, Neutral Label
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reactions to Warnings on Hookah Ads

NCT03723616
View directory record Official record
Conditions
Reactions to Warnings, Hookah Smoking
Interventions
Ads Only, Ads with text-only health warning labels (HWLs), Ads with text + graphic health warning labels (HWLs)
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 34 Years
Enrollment
2,588 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 25, 2026, 1:19 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Sugary Drink Warning Labels

NCT03654586
View directory record Official record
Conditions
Obesity, Diabetes, Weight Gain
Interventions
Sugary drink warning labels
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Front-of-package Warning Labels on Perceived Weight Stigmatization

NCT06179043
View directory record Official record
Conditions
Weight Stigma
Interventions
Nutrient warning labels, Text-only health warning labels, Graphic health warning labels, Control labels
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
2,522 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Sep 25, 2026, 1:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of E-cigarette Device Warnings

NCT05714982
View directory record Official record
Conditions
Vaping Behaviors
Interventions
Label with text health warning, Label with pictorial health warning, Label with neutral statements about vaping
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 25, 2026, 1:19 PM EDT