A Study to Learn About Flu and COVID-19 Vaccine Responses in Healthy People
Public ClinicalTrials.gov record NCT06683352. 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
A PHASE 1/2, RANDOMIZED, OBSERVER-BLINDED STUDY TO EVALUATE THE SAFETY, TOLERABILITY, AND IMMUNOGENICITY OF COMBINED VACCINE CANDIDATES AGAINST INFLUENZA AND COVID-19 IN HEALTHY INDIVIDUALS
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study is to learn about flu and COVID vaccines, either alone or when mixed together. Healthy people aged 18 or older can join. Participants will get one shot in each arm, either a flu or COVID vaccine, alone or mixed. The study lasts about 6 months, and participants need to visit the research site at least 3 times.
Study identification
- NCT ID
- NCT06683352
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 1,353 participants
Conditions and interventions
Conditions
Interventions
- Investigational Influenza Vaccine Biological
- COVID-19 Vaccine Biological
- Investigational Influenza/COVID-19 Vaccine Combination Product
- Licensed Influenza Vaccine 1 Biological
- Licensed Influenza Vaccine 2 Biological
- Placebo Other
Biological · Combination Product · 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
- Nov 11, 2024 (Actual)
- Primary completion
- Jul 15, 2025 (Actual)
- Completion
- Jul 15, 2025 (Actual)
- Last update posted
- Aug 19, 2026
2024 – 2025
United States locations
- U.S. sites
- 22
- U.S. states
- 12
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Orange County Research Center | Lake Forest | California | 92630 | — |
| Artemis Institute for Clinical Research | San Diego | California | 92103 | — |
| Diablo Clinical Research, Inc. | Walnut Creek | California | 94598 | — |
| Clinical Research Consulting | Milford | Connecticut | 06460 | — |
| Indago Research & Health Center, Inc | Hialeah | Florida | 33012 | — |
| Miami Dade Medical Research Institute, LLC | Miami | Florida | 33176 | — |
| Palm Springs Community Health Center | Miami Lakes | Florida | 33014 | — |
| Headlands Research Orlando | Orlando | Florida | 32819 | — |
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| East-West Medical Research Institute | Honolulu | Hawaii | 96814 | — |
| Clinical Research Professionals | Chesterfield | Missouri | 63005 | — |
| Bio-Kinetic Clinical Applications, LLC dba QPS-MO | Springfield | Missouri | 65802 | — |
| Bio-Kinetic Clinical Applications, LLC dba QPS-MO-Screening and Recruitment Center | Springfield | Missouri | 65807 | — |
| Velocity Clinical Research, Omaha | Omaha | Nebraska | 68134 | — |
| Las Vegas Clinical Trials | Las Vegas | Nevada | 89030 | — |
| ActivMed Practices & Research, LLC. | Portsmouth | New Hampshire | 03801 | — |
| DM Clinical Research- Cyfair | Houston | Texas | 77065 | — |
| SMS Clinical Research | Mesquite | Texas | 75149 | — |
| Dynamed Clinical Research, LP d/b/a DM Clinical Research | Tomball | Texas | 77375 | — |
| J. Lewis Research, Inc. / Foothill Family Clinic | Salt Lake City | Utah | 84109 | — |
| J. Lewis Research, Inc. / Foothill Family Clinic South | Salt Lake City | Utah | 84121 | — |
| Charlottesville Medical Research | Charlottesville | Virginia | 22911 | — |
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 NCT06683352, 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 19, 2026 · Synced Oct 20, 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 public registry record, listed eligibility criteria, and available contact information for NCT06683352 live on ClinicalTrials.gov.