Pulmonary vascular disease & thromboembolismRandomised controlled trial

Rivaroxaban or Enoxaparin in Nonmajor Orthopedic Surgery

N Engl J MedPublished

  • Randomised controlled trial
  • international
  • parallel-group
  • double-blind
  • non-inferiority

Authors' conclusion

Rivaroxaban was more effective than enoxaparin in the prevention of venous thromboembolic events during a period of immobilization after nonmajor orthopedic surgery of the lower limbs.

Study context

Population
Adults undergoing lower-limb nonmajor orthopedic surgery, at risk for VTE by investigator's judgment
Participants
3,604 adults
Comparison
Rivaroxaban vs enoxaparin
  • Rivaroxabann = 1,809
  • Enoxaparinn = 1,795reference
Primary endpoint
Major VTE: symptomatic distal or proximal DVT, PE or VTE-related death during treatment, or asymptomatic proximal DVT at end of treatment
Follow-up
Treatment period

Primary result

Major VTE

Relative risk

0.25

95% CI 0.09–0.75

P < 0.001

Events by treatment group

Rivaroxaban vs Enoxaparin
RR 0.25 (95% CI 0.09–0.75); P < 0.001

As reported in the abstract

Safety

Major or nonmajor clinically relevant bleeding

Major bleeding

Major or nonmajor clinically relevant bleeding

Did not differ significantly

Major bleeding

Did not differ significantly

Original publication

Rivaroxaban or Enoxaparin in Nonmajor Orthopedic Surgery. N Engl J Med. Published 29 March 2020. doi:10.1056/nejmoa1913808

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