New High-Dose flu vaccine trial aims to better protect seniors
NCT ID NCT07302256
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tests a new influenza vaccine in 120 adults aged 60 and older. Participants receive either a high-dose vaccine, a standard-dose vaccine, or a placebo. The study focuses on safety and how well the vaccine triggers an immune response, with the goal of developing a more effective flu shot for older adults.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Influenza virus split vaccine (high-dose and standard-dose)
- What this could lead to
- If successful, this could lead to a more effective flu vaccine for older adults, who are at higher risk of severe flu.
- What could go wrong
- This is a very early Phase 1 trial with only 120 people, so it is primarily checking safety and immune response, not yet proving the vaccine prevents flu. The higher dose may cause more side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for INFLUENZA are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Danjiangkou Disease Prevention and Control Center
RECRUITINGWuhan, Hubei, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Flu vaccine showdown: which shot protects seniors best?
- Can a simple breath test catch flu in High-HIV regions?
- Can a simple mask stop the flu? 2,000 volunteers put it to the test
- Can a stronger flu shot better protect seniors?
- Flu shot showdown: Cell-Grown vs recombinant vaccine put to the test
- New mRNA vaccine aims to outsmart flu by targeting its hidden parts