Clinical trial for Immunology
Official title Impact of Egg-Based and Cell-Based Vaccine Platforms on Immune Responses to Repeated Influenza Vaccination
ClinicalTrials.gov ID: NCT07910266
What this study is testing
What is Egg-Based Inactivated Influenza Vaccine?
Egg-Based Inactivated Influenza Vaccine is an investigational medicine, being studied as a potential treatment for immunology.
Plain-language explanation of the investigational treatment. It is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- The goal of this clinical trial is to learn how different types of influenza (flu) vaccines affect the body's immune response over time.
- Phase 4: studies an already-approved treatment
- Time commitment: about 7 years
- Which group you join is decided by chance.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 and older. Healthy volunteers may be eligible.
You may be able to join if
- Did NOT receive a flu shot last year
- Planning to get flu shot this year;
- 18 years of age or older;
- English speaking
- Willing to be assigned by chance to receive either FDA-approved cell-based or egg-based flu vaccination
You likely can't join if
- Received a flu shot last year
- Less than 18 years old
- Not willing to be directed to get a certain type of vaccination
- Not willing to get a flu vaccination or a second vaccination during the study period
- Does not speak English
- History of severe allergic reaction (e.g., anaphylaxis) following a previous influenza vaccine or to a component of the study vaccine.
See the full eligibility criteria
- Did NOT receive a flu shot last year
- Planning to get flu shot this year;
- 18 years of age or older;
- English speaking
- Willing to be assigned by chance to receive either FDA-approved cell-based or egg-based flu vaccination
- Willing to get a second flu shot about 3 months after the first one
- Received a flu shot last year
- Less than 18 years old
- Not willing to be directed to get a certain type of vaccination
- Not willing to get a flu vaccination or a second vaccination during the study period
- Does not speak English
- History of severe allergic reaction (e.g., anaphylaxis) following a previous influenza vaccine or to a component of the study vaccine.
- Have a history of Guillain-Barré Syndrome within 6 weeks of a previous influenza vaccination.
- Women who are pregnant or may be pregnant will not receive the second study vaccination
The study team makes the final eligibility decision.
Where it is enrolling
- Columbia, Missouri, United States
Compensation & support
A stipend or payment for your time may be offered.
No amount is published here because ClinicalTrials.gov has no reliable field for payment or travel support. Ask the study team what's actually covered (payment for your time, travel, parking, or other study costs), and never join a trial for the compensation alone.
Questions & answers
Do participants get paid in this trial?
This study's listing includes signals that participants may be compensated or receive a stipend. Amounts vary and are set by the study team, so confirm the details with them.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.
How long does this study last?
The study runs about 7 years per participant, based on its public description. The team confirms the exact schedule and number of visits before you enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years and older. Healthy volunteers may be eligible. The study team makes the final eligibility decision.
Where is this trial taking place?
This study is enrolling now at Columbia, Missouri, United States. Enter your location above to see the nearest enrolling site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.