Flu shot may calm artery inflammation after heart attack, new trial hopes to prove

NCT ID NCT06336317

First seen Feb 28, 2026 · Last updated Jun 20, 2026 · Updated 19 times

Summary

This study tests whether getting a flu vaccine soon after a heart attack can reduce inflammation in the heart's arteries. Researchers will compare the vaccine to a placebo in 90 adults who recently had a heart attack and a stent procedure. They will use special CT scans and blood tests to measure inflammation 8 weeks later.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Aarhus University Hospital, Department of Cardiology

    RECRUITING

    Aarhus, DK-8200, Denmark

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Cambridge University Hospitals NHS Foundation Trust

    RECRUITING

    Cambridge, CB2 0QQ, United Kingdom

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Örebro University Hospital

    RECRUITING

    Örebro, 70185, Sweden

    Contact Phone: •••-•••-•••• Email: •••••@•••••

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

influenza vaccine

What this could lead to

If it works, this could show that the flu vaccine helps reduce inflammation in heart arteries after a heart attack, potentially leading to a new way to prevent future heart problems.

What could go wrong

This is a small, early-phase trial (90 people) testing a short-term effect. The vaccine may not reduce inflammation as hoped, and results may not apply to all heart attack patients.

Conditions

The condition(s) this trial relates to.

cardiovascular disorder inflammatory disease influenza

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.