Pulmonary vascular disease & thromboembolism

A Bleeding Risk Score for Cancer-Associated Venous Thromboembolism in Patients Receiving Direct Oral Anticoagulants

JACC CardioOncolPublished Prediction model development and external validation study

Authors' conclusion

The ONCO-DOAC BLEED score provides clinically relevant stratification of major bleeding risk in patients with cancer-associated VTE receiving DOAC therapy

Study context

Population
Patients with cancer-associated venous thromboembolism (VTE) receiving DOAC therapyderivation cohort
Participants
1,166 patients
Comparison
Derivation vs Validation
  • Derivationn = 1,166
Outcome
Discrimination of the ONCO-DOAC BLEED score for major bleeding
Follow-up
Median 163 days
Methodological detailsderivation cohort, external validation cohort
  • Derivation cohort
  • External validation cohort

Performance

As reported in the abstract

Discrimination for major bleeding
Test or modelHarrell's C-indexUno's C-index
Derivation0.680.67
Validation0.620.63

Harrell's C-index

Derivation0.68
Validation0.62

Uno's C-index

Derivation0.67
Validation0.63

Further findings

Major bleeding incidence (derivation cohort) · median follow-up 163 days

Patients with major bleeding
127 (10.9%)

Independent predictors of major bleeding (multivariable analysis)

History of major bleeding, CKD, NSAID use, distant metastatic cancer, terminal cancer, upper GI cancer, pancreatic cancer, uterine cancer

Original publication

A Bleeding Risk Score for Cancer-Associated Venous Thromboembolism in Patients Receiving Direct Oral Anticoagulants. JACC CardioOncol. Published June 2026. doi:10.1016/j.jaccao.2026.05.002

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

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