🏛️ Verified NIH Record • Updated 2025-12-02

Registry on Augmented Antithrombotic Treatment Regimens for Patients With Arterial Thrombotic APS (NCT05646394)

🟢 Recruiting Interventional Protocol 📊 Observational Clinical Research Sponsor: McMaster University

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

The goal of this registry is to gather more information on the efficacy and safety of various antithrombotic regimens. The registry collects data on patients with antiphospholipid syndrome and an arterial event within the past 12 months, on treatment with either A) a VKA with therapeutic range, INR 2.0-3.0 plus low-dose aspirin (75-100 mg daily), B) a VKA alone with therapeutic range, INR 2.0-3.0, C) a VKA with therapeutic range, INR 3.0-4.0, or D) with a dual antiplatelet regimen. The follow-up is 2 years.

Who can join: Review the eligibility criteria below.

Location: Instituto de Investigaciones en Salud Pública, Universidad de Buenos Aires — Buenos Aires, Buenos Aires F.D.

Age range: 18 Years

📋 "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 (3 Sites)

  • Instituto de Investigaciones en Salud Pública, Universidad de Buenos Aires — Buenos Aires, Buenos Aires F.D.
  • Clinica Universitaria Reina Fabiola — Córdoba,
  • McMaster University — Hamilton, Ontario

📞 Contact the Study Coordinator

Phone: (905) 527-0271

Email: schulms@mcmaster.ca

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 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.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  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 ↗