Boosted flu shot may offer better protection for seniors
NCT ID NCT06676644
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares an adjuvanted (boosted) flu vaccine to a standard flu vaccine in 200 adults aged 65 and older who have chronic medical conditions like diabetes or heart disease. Researchers will measure immune response and safety over one year. The goal is to see if the adjuvanted vaccine provides stronger protection against influenza in this vulnerable group.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
adjuvanted influenza vaccine (aIIV4) and non-adjuvanted influenza vaccine (IIV4)
What this could lead to
If the adjuvanted vaccine works better, it could lead to stronger flu protection for older adults with chronic health issues.
What could go wrong
This is a small, early-phase study (200 participants) in one country, so results may not apply to all elderly populations. The vaccines may show similar effectiveness, or the adjuvanted version could cause more side effects.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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National Taiwan University Hospital
RECRUITINGTaipei, 100225, Taiwan
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••