Heart attack survivors may get help from an unexpected source: doxycycline

NCT ID NCT03508232

First seen Apr 25, 2026 · Last updated May 14, 2026 · Updated 2 times

Summary

This study tested whether doxycycline, an antibiotic also used for gum disease, could prevent heart damage after a heart attack. 174 adults who had a severe heart attack took either doxycycline or a placebo twice a day for one week. Researchers used MRI scans three months later to see if the drug helped keep the heart healthier.

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Contacts and locations

Locations

  • Royal Alexandra Hospital

    Edmonton, Alberta, T5H 3V9, Canada

Conditions

Explore the condition pages connected to this study.