Coronary disease & ACSDiagnostic or prognostic study

Prediction of mortality, bleeding, and ischaemic events in patients with cancer and acute coronary syndrome: a model development and validation study

LancetPublished

  • Model development and validation study
  • machine learning
  • competing risks framework
  • external validation
  • multinational

Authors' conclusion

The ONCO-ACS score provides a validated practical tool for predicting mortality, bleeding, and ischaemic risk in patients with cancer and acute coronary syndrome.

Study context

Population
Patients with cancer and ACS in England, UK, Sweden and Switzerland, Jan 1, 2004–Aug 8, 2023ACS
Participants
1,017,759 patients
Comparison
Internal validation vs English Midlands vs Sweden vs Switzerland
  • Swedenn = 194,059
  • Switzerlandn = 8,530
Outcome
Prediction of all-cause mortality, major bleeding and ischaemic events (CV death, MI, ischaemic stroke) by the ONCO-ACS score
Follow-up
6 months

Performance

As reported in the abstract

tAUC at 6 months
Test or modeltAUC all-cause mortalitytAUC major bleedingtAUC ischaemic events
Internal validation0.84 (0.83-0.85)0.70 (0.68-0.73)0.79 (0.78-0.81)
English Midlands0.84 [0.82-0.85]0.70 [0.67-0.74]0.76 [0.74-0.78]
Sweden0.80 [0.79-0.82]0.67 [0.65-0.70]0.70 [0.69-0.72]
Switzerland0.83 [0.76-0.91]0.74 [0.57-0.91]0.73 [0.61-0.86]

Further findings

Cumulative incidence in patients with cancer and ACS

All-cause mortality
27.8% [95% CI 27.3-28.3]
Major bleeding
7.3% [7.0-7.5]
Ischaemic events
16.1% [15.7-16.4]

Original publication

Prediction of mortality, bleeding, and ischaemic events in patients with cancer and acute coronary syndrome: a model development and validation study. Lancet. Published 31 January 2026. doi:10.1016/s0140-6736(25)02020-3

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