Could one month of dual blood thinners after bypass beat aspirin alone?
NCT ID NCT05997693
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two blood thinner strategies in 700 people with chronic heart disease who are having bypass surgery. One group takes ticagrelor plus low-dose aspirin for one month, then aspirin alone; the other takes only low-dose aspirin. The goal is to see if the short dual therapy reduces death, stroke, heart attack, or graft failure over the following year.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 700 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Jan 2031
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥18 years * Elective first-time CABG with use of ≥1 saphenous vein graft; * Ability to sign informed consent and comply with all study procedures, including follow-up for at least 5 years. Exclusion Criteria: * Any indication for dual antiplatelet therapy, including * Acute/recent (within 1 year) ACS (NSTE-ACS or STEMI) * Recent PCI requiring continuation of dual antiplatelet therapy after CABG * Current or anticipated use of oral anticoagulation; * Paroxysmal, persistent or permanent atrial fibrillation; * Any concomitant cardiac or non-cardiac procedure; * Planned cardiac or non-cardiac surgery within one year; * Preoperative end-organ dysfunction (dialysis, moderate to severe liver failure, respiratory failure), cancer or other non-cardiac comorbidity with a life expectancy \<5 years; * Inability to use the saphenous vein; * Contraindications to the use of aspirin; * Contraindications to the use of ticagrelor, including * Known hypersensitivity to ticagrelor * Active pathological bleeding (including, but not limited to gastrointestinal or intracranial bleeding) * History of intracranial hemorrhage * Concomitant therapy with strong CYP3A4 inhibitors (eg ketoconazole, clarithromycin, nefazodone, ritonavir, atazanavir) * Inability to undergo coronary computed tomographic angiography (CCTA); * Participating in another investigational device or drug study; * Women of childbearing potential * Any major perioperative complication including, but not limited to, stroke, TIA, MI, CABG-related bleeding (BARC type 4), sepsis.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
22 sites in 6 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Beijing Anzhen Hospital
RECRUITINGBeijing, 100029, China
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Center China Fuwai Hospital
RECRUITINGBeijing, China
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Englewood Hospital
RECRUITINGEnglewood, New Jersey, 07631, United States
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Jena University Hospital
RECRUITINGJena, Germany
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Jilin Heart Hospital
RECRUITINGChangchun, Jilian, China
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Johannes Kepler University Linz
RECRUITINGLinz, Austria
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Klinik für Herz- und Gefäßchirurgie - Universitäts-Herzzentrum Freiburg - Bad Krozingen
RECRUITINGFreiburg im Breisgau, Germany
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LMU Klinikum Campus Großhadern
NOT_YET_RECRUITINGMünchen, Germany
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Medical University Graz
RECRUITINGGraz, Austria
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Medical University Innsbruck
RECRUITINGInnsbruck, Innsbruck, 6020, Austria
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Medical University of Vienna
RECRUITINGVienna, 1090, Austria
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NewYork-Presbyterian: Queens Hospital
RECRUITINGFlushing, New York, 11355, United States
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Robert-Bosch-Krankenhaus Stuttgart
NOT_YET_RECRUITINGStuttgart, Germany
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Ruijin Hospital: Shanghai Jiao Tong University School of Medicine
RECRUITINGShanghai, China, 200023, China
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Sahlgrenska University Hospital
RECRUITINGGothenburg, 413 45, Sweden
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Sahlgrenska University Hospital Sweden
NOT_YET_RECRUITINGGothenburg, Sweden
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Skåne University Hospital
RECRUITINGMalmö, 214 28, Sweden
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University Hospital Giessen
RECRUITINGGiessen, 35043, Germany
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University Hospital of Düsseldorf
RECRUITINGDüsseldorf, Germany
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University of Ottawa Heart Institute
NOT_YET_RECRUITINGOttawa, Ontario, K1Y 4W7, Canada
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Weill Cornell Medicine
RECRUITINGNew York, New York, 10065, United States
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Westdeutsches Herz- und Gefäßzentrum Essen, Universität Duisburg-Essen
NOT_YET_RECRUITINGEssen, Germany