Cholesterol drug may alter flu Shot's power
NCT ID NCT06024096
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether taking the statin drug atorvastatin changes the body's immune response to the flu vaccine. 63 adults took either a statin or a placebo for four weeks before and after getting the flu shot. Researchers measured antibody levels and checked for side effects, and also looked at gut bacteria from stool samples. The goal is to understand if common cholesterol medications can influence how well vaccines protect us.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Atorvastatin (a statin drug used to lower cholesterol)
- What this could lead to
- If it works, this could help doctors understand whether statins affect vaccine effectiveness, potentially guiding vaccination strategies for people on statins.
- What could go wrong
- This is a small, completed Phase 4 study with only 63 participants, so results may not apply to everyone. It looks at immune markers, not real-world infection rates, so the practical impact is uncertain.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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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Locations
-
Hope Clinic
Atlanta, Georgia, 30322, United States
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