Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 10:51 AM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Covid19, Mental Health Issue, Violence
Interventions
Community popular opinion leader (POL) based intervention
Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
COVID-19, COVID-19 Testing
Interventions
Motivational interviewing (MI) counseling, Text messages (TMs) and quiz questions (QQs), Peer education, Access to COVID testing
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 70 Years
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Nudges on Downloads of COVID-19 Exposure Notification Smartphone Apps: A Randomized Trial

NCT05080179
Conditions
COVID-19
Interventions
Self-Benefit/Social Norm, Self-Benefit/No Social Norm, Other Benefit/Social Norm, Other Benefit/No Social Norm
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
16,903 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Terminated Not applicable Interventional

Trusted Messenger Intervention

NCT05167422
Conditions
Vaccine Hesitancy
Interventions
Trusted Messenger
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Concord, New Hampshire
Conditions
Alcohol Drinking, Sexual Assault
Interventions
Positive Change (+Change), A healthy lifestyles attention control, Positive Change (+Change) Plus Booster
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 25 Years
Enrollment
1,116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Not listed Not applicable Interventional Accepts healthy volunteers

Using Social Norms to Encourage People to Exercise More

NCT02907164
Conditions
Physical Activity
Interventions
Email invitation, Social norm, Intrinsic, health motive, Extrinsic, reward motive
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Behavioral Economics to Enhance Appointment Reminders and Reduce Missed Visits

NCT03850431
Conditions
Appointment Reminders
Interventions
Social Norms + Behavioral Instructions, Caring + Consequences for Others + Behavioral Instructions, Caring + Consequences for Self + Behavioral Instructions, Caring + Consequences for Others + Consequences for Self + Social Norms + Behavioral Instructions
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
34,516 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Hashtag HPV: HPV Vaccine Twitter Education Program

NCT05204030
Conditions
Human Papilloma Virus, Vaccine-Preventable Diseases
Interventions
HPV Twitter Education Program - Narrative, HPV Twitter Education Program - Non-Narrative
Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fayetteville, Arkansas
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Program-related Communications on Enrollment: Replication

NCT04289623
Conditions
Health Promotion, Wellness Program
Interventions
Email, Loss frame, Testimonial (medical expert), Testimonial (rank-and-file), Social norms (percentage), Social norms (number)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
13,546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Not listed Not applicable Interventional Accepts healthy volunteers

Strengthening Families Program Online

NCT04214327
Conditions
Substance Abuse
Interventions
Strengthening Families Program Online eLearning Game, SFP Home-use DVD, Wait-Listed Control
Behavioral
Lead sponsor
Strengthening Families Program LLC
Industry
Eligibility
11 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah