Heart bypass showdown: does using more arteries save more lives?
NCT ID NCT03217006
First seen Apr 30, 2026 · Last updated Jun 23, 2026 · Updated 8 times
Summary
This study compares two types of heart bypass surgery: using one artery graft versus multiple artery grafts. Researchers want to see if using more arteries reduces the chance of death, stroke, heart attack, or the need for another procedure. About 4,300 patients will take part across many hospitals.
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This is a summary of
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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.
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
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Study contacts
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Locations
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Allegheny General Hospital (Cardiovascular Institute)
RECRUITINGPittsburgh, Pennsylvania, 15232, United States
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Anthea Hospital
RECRUITINGBari, Italy
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Baystate Health
RECRUITINGSpringfield, Massachusetts, 01109, United States
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Centro Hospitalar e Universitário São João
RECRUITINGPorto, Portugal
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Cleveland Clinic Foundation
RECRUITINGCleveland, Ohio, 44106, United States
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Dedinje Cardiovascular Institute
RECRUITINGBelgrade, Serbia
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Duisburg Heart Center
RECRUITINGDuisburg, Germany
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Düsseldorf University
RECRUITINGDüsseldorf, Germany
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Essen University
RECRUITINGDuisburg, Germany
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European Hospital
RECRUITINGRome, Italy
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Federal University of Sao Paulo
RECRUITINGSão Paulo, Brazil
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Fondazione Poliambulanza
RECRUITINGBrescia, Italy
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Fuwai Hospital
RECRUITINGBeijing, China
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General University Hospital, Prague
RECRUITINGPrague, Czechia
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Giessen Hospital
RECRUITINGGiessen, Germany
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HDZ NRW Bad
RECRUITINGOeynhausen, Germany
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Hamilton General Hospital
RECRUITINGHamilton, Canada
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Heart Center (Herzzentrum)
RECRUITINGLeipzig, Germany
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Hospital Clinic de Barcelona (ICCV)
RECRUITINGBarcelona, Spain
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Hospital Univeritario Del Vinalopo
RECRUITINGAlicante, Spain
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Hospitalar de Lisboa Central
RECRUITINGCapuchos, Portugal
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Icahn School of Medicine, Mount Sinai
RECRUITINGNew York, New York, 10029, United States
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Innsbruck (Medical University) Austria
RECRUITINGInnsbruck, Austria
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Jena University Hospital
RECRUITINGJena, Germany
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Jilin Heart Hospital
RECRUITINGChangchun, China
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Krankenhaus Nord Vienna North Hospital
RECRUITINGVienna, Austria
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Krankenhaus der Barmherzigen Brüder Trier
RECRUITINGTrier, Germany
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Lenox Hill Hospital (Northwell)
RECRUITINGNew York, New York, 10075, United States
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London Health Sciences Ontario Canada
RECRUITINGLondon, Canada
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MU Vienna Austria
RECRUITINGVienna, Austria
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MUMC Maastricht (University Medical Centre)
RECRUITINGMaastricht, Netherlands
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Maria Cecilia Hospital GVM
RECRUITINGCotignola, Italy
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Medical University of Silesia (Katowice)
RECRUITINGKatowice, Poland
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National Taiwan University Hospital
RECRUITINGTaiwan, China
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National University of Singapore
RECRUITINGSingapore, Singapore
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Nebraska Heart Hospital
RECRUITINGLincoln, Nebraska, 68526, United States
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NewYork-Presbyterian Brooklyn Methodist Hospital
RECRUITINGBrooklyn, New York, 11215, United States
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NewYork-Presbyterian Queens
RECRUITINGNew York, New York, 11355, United States
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Ospedale Le Molinette
RECRUITINGTorino, Italy
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Robert-Bosch-Hospital
RECRUITINGStuttgart, Germany
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Royal Victoria Hospital (McGill)
RECRUITINGQuébec, Canada
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Ruijin Hospital Shanghai Jiao Tong University School of Medicine
RECRUITINGShanghai, China
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Saitama Medical University
RECRUITINGSaitama, Japan
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Severance Cardiovascular Hospital, Yonsei University College of Medicine
RECRUITINGSinchŏn-dong, South Korea
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St. Boniface General Hospital / WHRA
RECRUITINGWinnipeg, Canada
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Sunnybrook Health Sciences Centre
RECRUITINGToronto, Canada
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Teda Hospital (TICH)
RECRUITINGTianjin, China
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Toronto General Hospital
RECRUITINGToronto, Canada
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Universita' Cattolica del Sacro Cuore
RECRUITINGRoma, Italy
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Universite Laval Quebec (CRIUCPQ) Canada
RECRUITINGQuébec, Canada
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University Hospital (Praceta Mota Pinto)
RECRUITINGCoimbra, Portugal
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University Hospital Dubrava
RECRUITINGZagreb, Croatia
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University Hospital Erlangen
RECRUITINGErlangen, Germany
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University Hospital of Montreal (CHUM)
RECRUITINGMontreal, Canada
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University Medical Center of Goettingen
ENROLLING_BY_INVITATIONGöttingen, Germany
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University of Colorado
RECRUITINGBoulder, Colorado, 80309, United States
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University of Nebraska Medical Center
RECRUITINGOmaha, Nebraska, 68198, United States
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University of Ottawa Heart Institute Canada
RECRUITINGOttawa, Canada
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Weil Cornell Medical College Department of Cardiothoracic Surgery
RECRUITINGNew York, New York, 10065, United States
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What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
arterial grafts (surgical procedure)
What this could lead to
If successful, this could show that using multiple arterial grafts during bypass surgery improves long-term survival and reduces the risk of heart attacks or repeat procedures.
What could go wrong
This is a large trial, but results may not apply to older patients or those with weaker hearts. The surgery itself carries risks like bleeding, infection, or stroke.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.