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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Price Changes Clear all
Completed Not applicable Interventional

The Impact of Innovative Tax Proposals on Purchase Patterns

NCT05370313
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Market Price Condition (control), Tobacco Parity Tax Condition, Nicotine-Content Tax Condition, Harm-Reduction Tax Condition, Modified Risk Tobacco Product (MRTP) Tax Condition
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Buffalo, New York • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Price Changes and Nutrient Profiling Among Adult Grocery Shoppers

NCT02376530
View directory record Official record
Conditions
Nutrition, Food Purchases
Interventions
Nutrient profiling, Price Changes
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
19 Years to 80 Years · Female only
Enrollment
788 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 11, 2026, 5:05 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Letters Promoting Colorectal Cancer Testing

NCT04548765
View directory record Official record
Conditions
Cancer Colorectal
Interventions
Letter, Loss Frame and Fear Appeals, Transparency, Default Effect and Presentation of Alternatives, Enhanced Fear Appeals and Decoy Effect
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
14,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 23, 2021 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fast Food Photo Study 2

NCT02452658
View directory record Official record
Conditions
Obesity
Interventions
Changed menu
Other
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
311 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2016 · Synced Sep 11, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

Effects of Tax Proposals and Cigarette Availability on Tobacco Purchasing

NCT07142668
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Harm Reduction Tax - Normal Nicotine Cigarettes Available, Harm Reduction Tax - Normal Nicotine Cigarettes Not Available, Modified Risk Tobacco Product Tax - Normal Nicotine Cigarettes Available, Modified Risk Tobacco Product Tax - Normal Nicotine Cigarettes Not Available, Nicotine Content Tax - Normal Nicotine Cigarettes Available, Nicotine Content Tax - Normal Nicotine Cigarettes Not Available, Tobacco Parity Tax - Normal Nicotine Cigarettes Available, Tobacco Parity Tax - Normal Nicotine Cigarettes Not Available
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Buffalo, New York • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Intervention for Weight Gain Prevention

NCT00708461
View directory record Official record
Conditions
Obesity
Interventions
weight gain prevention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
1,747 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 11, 2026, 5:05 PM EDT
Active, not recruiting Not applicable Interventional

Addressing Financial and Social Needs Among Patients With Cancer

NCT06430840
View directory record Official record
Conditions
Cancer, Financial Hardship
Interventions
CostCOM (Cost Communication, Financial navigation and counseling), Provision of local and national resources to address financial and social needs, Financial Education, Usual care, Screening for financial and social needs
Behavioral · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
6
States / cities
Costa Mesa, California • Fountain Valley, California • Irvine, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 11, 2026, 5:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Price Changes and Hypothetical Food Purchases in Adult Grocery Shoppers

NCT01619787
View directory record Official record
Conditions
Effect of Taxes and Subsides on Food Purchases in Mothers
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fast Food Photo Study

NCT02267954
View directory record Official record
Conditions
Obesity
Interventions
Menu edited
Other
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
309 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2016 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Obesity in the Worksite: A Multi-Message, Multi-"Step" Approach

NCT01585480
View directory record Official record
Conditions
Obesity
Interventions
Weight Gain Prevention Intervention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco/Nicotine Purchase Patterns Across SES

NCT06795997
View directory record Official record
Conditions
Smoking Behaviors, Smoking, Non-Tobacco Products, Smoking, Cigarette
Interventions
Tax Conditions, Control Condition
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional

Worksite Program to Prevent Weight Gain Among Bus Drivers

NCT00122993
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases, Heart Diseases
Interventions
Healthful eating and food choices behavior change programs and changes in worksite food availability and prices, Physical Activity, Environment
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 11, 2026, 5:05 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mind-Body Interventions to Mitigate Effects of Media Use on Sleep in Early Adolescents

NCT04550507
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
Mindful sensory awareness intervention, Mindful sensory awareness + mindful body awareness check-ins intervention
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
11 Years to 14 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced Sep 11, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy In-Store Marketing Study

NCT02499211
View directory record Official record
Conditions
Obesity
Interventions
Intervention stores
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Sep 11, 2026, 5:05 PM EDT