Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 6:55 PM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Conditions
Covid19, Vaccine Refusal
Interventions
Messaging informed by construal level theory, Usual Care
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
3,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Smoking Cessation, Smoking Reduction, Cancer
Interventions
High-level construal, Down-regulation of craving for cigarettes, Up-regulation of goal energization
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
25 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Eugene, Oregon