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ClinicalTrials.gov public records Last synced Sep 28, 2026, 12:01 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Mailers Promoting Mammogram Screening

NCT04555902
Conditions
Breast Cancer
Interventions
Postcard, Small Gift, Loss Frame and Fear Appeals
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
1,342 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Emails Promoting Mail-order Pharmacy

NCT04587063
Conditions
Health Care Utilization
Interventions
Fear Appeals, Message about Future Healthcare Costs, Endorsement from a Doctor, Comparison Table, Highlighting Cost Savings and Convenience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Letters Promoting Colorectal Cancer Testing

NCT04548765
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