Coronary disease & ACSRandomised controlled trial

Ticagrelor and Aspirin or Aspirin Alone after Coronary Surgery for Acute Coronary Syndrome

N Engl J MedPublished

  • Randomised controlled trial
  • open-label
  • registry-based
  • 22 Nordic cardiothoracic surgery centres

Authors' conclusion

Among patients who underwent CABG for an acute coronary syndrome, ticagrelor plus aspirin did not result in a lower incidence of death, myocardial infarction, stroke, or repeat coronary revascularization than aspirin alone at 1 year.

Study context

Population
Patients undergoing coronary-artery bypass grafting (CABG) for ACS
Participants
2,201 patients
Comparison
Ticagrelor plus aspirin vs aspirin alone for 1 year after CABG
  • Ticagrelor plus aspirinn = 1,104
  • Aspirin alonen = 1,097reference
Primary endpoint
Composite of:
  • Death
  • MI
  • Stroke
  • Repeat revascularization
Follow-up
1 year

Primary result

As reported in the abstract

Hazard ratio

1.06

95% CI 0.72–1.56

P = 0.77

Events by treatment group

Ticagrelor plus aspirin vs Aspirin alone
HR 1.06 (95% CI 0.72–1.56); P = 0.77

Secondary outcomes

OutcomeTicagrelor plus aspirinAspirin aloneHR (95% CI)
Net adverse clinical events (primary-outcome event or major bleeding; key secondary)9.1%6.4%1.45 (1.07–1.97)

Safety

OutcomeTicagrelor plus aspirinAspirin aloneHR (95% CI)
Major bleeding4.9%2.0%2.50 (1.52–4.11)

Original publication

Ticagrelor and Aspirin or Aspirin Alone after Coronary Surgery for Acute Coronary Syndrome. N Engl J Med. Published 1 September 2025. doi:10.1056/nejmoa2508026

Summarised from the published abstract; every number is checked against it