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Filters: Condition: Booster Message + Financial Incentive Clear all
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Booster Incentives

NCT05648773
View directory record Official record
Conditions
Booster Message, Booster Message + Financial Incentive
Interventions
Messaging, Financial Incentive, Placebo
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
57,893 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Jun 25, 2026, 10:36 PM EDT