Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 24, 2026, 3:11 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Conditions
Workplace Culture, Help-Seeking Behavior, Social Stigma, Education, Medical, Continuing
Interventions
Popular-Opinion Leader-led encouragement during training meetings and informal conversation
Other
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Palo Alto, California