Cardio-oncology & otherCohort study

Cardiovascular Disease With Hormone Therapy and Ovarian Suppression in Premenopausal Breast Cancer Survivors

JACC CardioOncolPublished

  • Retrospective cohort study
  • propensity-score matched
  • administrative claims databases

Authors' conclusion

Premenopausal patients with breast cancer treated with aromatase inhibitors and ovarian suppression may be at elevated risk for CVD

Study context

Population
Enrollees younger than 55 years with incident breast cancer, MarketScan claims databases, 2013–2020matched cohort
Exposure
Aromatase inhibitor plus ovarian suppression vs tamoxifen
Outcome
Incident cardiovascular disease (CVD) (AF, MI, stroke, HF hospitalization, angina or coronary revascularization)
Follow-up
Median 1.55 years

Main finding

As reported in the abstract

Hazard ratio

2.20

95% CI 1.57–3.09

Events by group

Aromatase inhibitors plus ovarian suppression

2.3 per 100 person-years

51 events

Tamoxifen

1.0 per 100 person-years

102 events

Aromatase inhibitors plus ovarian suppression vs Tamoxifen
HR 2.20 (95% CI 1.57–3.09)
Incidence rate difference
0.012 (95% CI 0.006-0.019)

Observational data: associations, not effects.

Original publication

Cardiovascular Disease With Hormone Therapy and Ovarian Suppression in Premenopausal Breast Cancer Survivors. JACC CardioOncol. Published 8 October 2024. doi:10.1016/j.jaccao.2024.08.006

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