Cardio-oncology & other

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

JACC CardioOncolPublished Retrospective cohort study

Main finding · Incident CVD (AF, MI, stroke, HF hospitalization, angina or coronary revascularization)Result — go to the resultHazard ratio 2.20 95% CI 1.57–3.09

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
Methodological detailspropensity-score matched, administrative claims databases
  • Propensity-score matched
  • Administrative claims databases

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 suppressionvs 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

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