PROSPECTIVE OPEN LABEL CLINICAL TRIAL TO ADMINISTER A BOOSTER DOSE OF PFIZER/BIONTECH OR MODERNA COVID-19 VACCINE IN HIGH-RISK INDIVIDUALS
Public ClinicalTrials.gov record NCT05279365. 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.
Study identification
- NCT ID
- NCT05279365
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- DHR Health Institute for Research and Development
- Other
- Enrollment
- 1,000 participants
Conditions and interventions
Conditions
Interventions
- Pfizer/BioNTech (BNT162b2) Biological
- Moderna Biological
Biological
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
- Jul 29, 2021
- Primary completion
- Aug 30, 2022
- Completion
- Aug 30, 2023
- Last update posted
- Mar 28, 2022
2021 – 2023
United States locations
- U.S. sites
- 4
- U.S. states
- 1
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Brownsville Independent School District | Brownsville | Texas | 78521 | Recruiting |
| DHR Health Institute for Research and Development | Edinburg | Texas | 78539 | Recruiting |
| Edinburg CISD School Based Health Center | Edinburg | Texas | 78542 | Recruiting |
| Starr County Memorial Hospital | Rio Grande City | Texas | 78582 | Recruiting |
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 NCT05279365, 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 Mar 28, 2022 · Synced Jul 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05279365 live on ClinicalTrials.gov.