🏛️ Verified NIH Record • Updated 2026-04-21

Myocardial Injury and Outcomes Following COVID-19 Vaccination (MYOVAX Study) (NCT04967807)

🔵 Active, Not Recruiting Observational / Diagnostic 📋 Clinical Research Protocol Sponsor: University Health Network, Toronto

🩺 Plain-English Summary (8th-Grade Level)

The study will focus on cardiac blood and imaging biomarkers to facilitate early recognition of patients at risk for myocardial injury after COVID-19 vaccination. Ultimately, the intention is to identify patients at risk, reduce adverse events, and determine the need for longer-term follow-up in patients with myocardial injury after vaccination.

Who can join: Review the eligibility criteria below.

Location: University Health Network — Toronto, Ontario

Age range: 17 Years

🧪 Interventions in This Study

  • Cardiac PET/MRI (DIAGNOSTIC_TEST)
  • Blood Biomarkers (DIAGNOSTIC_TEST)

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (1 Sites)

  • University Health Network — Toronto, Ontario

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Myocardial Injury clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗