COVID-19 Booster Incentives
Public ClinicalTrials.gov record NCT05648773. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
COVID-19 Booster Incentives in a County-Run Health System
Study identification
- NCT ID
- NCT05648773
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- University of Southern California
- Other
- Enrollment
- 57,893 participants
Conditions and interventions
Interventions
- Financial Incentive Behavioral
- Messaging Behavioral
- Placebo Other
Behavioral · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 7, 2022
- Primary completion
- Dec 22, 2022
- Completion
- Dec 22, 2022
- Last update posted
- Aug 13, 2023
2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Contra Costa Health Plan | Martinez | California | 94553 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05648773, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 13, 2023 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05648773 live on ClinicalTrials.gov.