Total events and net clinical benefit of rivaroxaban and aspirin in patients with chronic coronary or peripheral artery disease: The COMPASS trial

Am Heart JPublished Secondary analysis of the COMPASS randomised trial

Primary result · Total MACEResult — go to the resultHazard ratio 0.75 95% CI 0.66–0.85

Authors' conclusion

Low dose rivaroxaban with aspirin significantly reduces first and total cardiovascular events compared with aspirin alone with a NNT2y of 63 and a 20% net clinical benefit.

Study context

Population
Patients with chronic coronary and/or PAD
Participants
27,395 patients
Comparison
Rivaroxaban plus aspirin or rivaroxaban alone vs aspirin alone
Primary endpoint
Total (first and recurrent) MACE (CV death, stroke or MI)
Methodological detailsexploratory on-treatment and net clinical benefit analyses
  • Exploratory on-treatment and net clinical benefit analyses

Primary result

Total MACE

Hazard ratio

0.75

95% CI 0.66–0.85

P < 0.0001

Events by treatment group

Rivaroxaban + aspirin

432

events

Rivaroxaban

508

events

Aspirin

574

events

Rivaroxaban + aspirinvs Aspirin
HR 0.75 (95% CI 0.66–0.85); P < 0.0001

As reported in the abstract

Further findings

OutcomeHR (95% CI)
Net clinical benefitRivaroxaban + aspirin vs Aspirin · 20% higher net clinical benefit · exploratory analysis0.80 (16.3%–31.6%)

Major cardiovascular events (MACE) on vs off randomised treatment

MACE outcomes similar for those on and off randomised treatment
  • On-treatment exploratory analysis

Original publication

Total events and net clinical benefit of rivaroxaban and aspirin in patients with chronic coronary or peripheral artery disease: The COMPASS trial. Am Heart J. Published 14 January 2023. doi:10.1016/j.ahj.2023.01.008

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