Clin2
NCT06827873Possibly a fitNot yet recruiting

Oral supplements to boost flu vaccine response

Influenza Vaccine Response

Part of Infections clinical trials.

This study tests whether taking oral supplements can improve how well your body responds to the flu vaccine. It may help older adults get better protection from the flu shot.

Summary written for real people, not researchers, by Clin2.

Phase
N/A
Enrollment
45 people
Ages
60 years to 70 years
Study type
Interventional

Who can take part

  • You are between 60 and 70 years old.
  • Your body mass index (BMI) is between 18.5 and 26.9.
  • You have not had a flu shot in the past year.
  • You are not taking certain medications like cholesterol-lowering drugs, weight-loss drugs, or insulin.
  • You have not taken probiotics, prebiotics, steroids, or immune-suppressing medications recently.
  • You do not have a weak immune system, severe vaccine allergies, or uncontrolled chronic conditions.

View the official record on ClinicalTrials.gov

Quick eligibility check

Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.

Similar studies

Other trials that look related to this one.

NCT07177417Recruiting· Phase 4
How the immune system responds to FluMist in the airways

This study tests how the immune system in your nose and airways responds to the FluMist nasal spray flu vaccine. It may help doctors understand why some people get better protection from the flu.

St Louis, Missouri
NCT07357467Not yet recruiting
Follow-up study on flu shot response from previous trial

This study follows up on people who were in a prior trial of an oral supplement (TUDCA) or a placebo. It will check how well the flu vaccine worked for them over time.

Beijing, Beijing Municipality
NCT06676644Recruiting
Flu vaccine with booster for older adults with health conditions

This trial tests whether a flu vaccine with an extra ingredient (called an adjuvant) is safer and works better for older Asian adults with chronic health conditions than a standard flu vaccine. It aims to provide better protection against the flu for people like you.

Taipei
NCT05291676Recruiting· Phase 2
Study how vaccines work in aging and frailty adults

This trial studies how well your immune system responds to a vaccine in people who are younger adults or, especially, older adults and those with frailty. Your participation may help researchers understand why vaccine responses can differ with age.

New Haven, Connecticut
NCT05108818Recruiting· Phase 4
Study immune responses after an flu shot in healthy adults

This study gives you a flu vaccine and measures how your immune system reacts, including both “blood immunity” and “cell immunity.” It’s for healthy adults and mainly aims to better understand how well flu vaccines work in people without major health issues.

Philadelphia, Pennsylvania
NCT05616546Recruiting· Phase 4
Study of immune responses during and after flu infection

This study looks at how your immune system (your body’s infection-fighting system) responds during and around the time of a flu illness. It’s meant to help researchers better understand immune changes in healthy adults and may guide future flu care.

Atlanta, Georgia

Hear when a new Influenza Vaccine Response trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.