The Direct Oral Anticoagulation Versus Vitamin K Antagonist After Cardiac Surgery Trial — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(19 sites)
Australia
St Vincent's Hospital Melbourne, Fitzroy, Victoria Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria Canada
University of Alberta Hospital, Edmonton, Alberta University of British Columbia, Vancouver, British Columbia St. Boniface Hospital, Winnipeg, Manitoba Saint John Regional Hospital, Saint John, New Brunswick Health Science Centre, St. John's, Newfoundland and Labrador Health Sciences North Research Institute, Greater Sudbury, Ontario Hamilton General Hospital, Hamilton, Ontario Sunnybrook Hospital, Toronto, Ontario Toronto General Hospital, Toronto, Ontario Montreal Heart Institute, Montreal, Quebec Hôpital Sacré-Coeur de Montréal, Montreal, Quebec IUCPQ-ULaval, Québec, Quebec Germany
Heart Center Leipzig, Leipzig, Saxony University Hospital Jena, Jena, Thuringia University Hospital Bonn Heart Center, Bonn West-German Heart and Vascular Center, University of Duisburg-Essen, Essen University Medical Center Hamburg-Eppendorf, Hamburg Last updated September 2025