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Key clinical point: Discontinuing adjuvant hormone therapy (HT) was associated with a higher likelihood of discontinuing cardiovascular therapy and an increased risk for mortality due to cardiovascular diseases in patients with estrogen receptor-positive breast cancer (ER+ BC).
Major finding: Compared with patients who continued adjuvant HT, the rate of discontinuing cardiovascular therapy was higher among patients who discontinued HT within a period of 3 months before (incidence rate ratio [IRR] 1.83; 95% CI 1.41-2.37) and after (IRR 2.31; 95% CI 1.74-3.05) adjuvant HT discontinuation. Discontinuation of adjuvant HT was also associated with a higher risk for death due to cardiovascular diseases (hazard ratio 1.79; 95% CI 1.15-2.81).
Study details: Findings are from a population-based cohort study including 5493 patients with nonmetastatic ER+ BC who initiated adjuvant HT and concomitantly used cardiovascular therapy.
Disclosures: This study was supported by grants from the Swedish Research Council and other sources. The authors declared no conflicts of interest.
Source: He W et al. Concomitant discontinuation of cardiovascular therapy and adjuvant hormone therapy among patients with breast cancer. JAMA Netw Open. 2023;6(7):e2323752 (Jul 17). doi: 10.1001/jamanetworkopen.2023.23752
Key clinical point: Discontinuing adjuvant hormone therapy (HT) was associated with a higher likelihood of discontinuing cardiovascular therapy and an increased risk for mortality due to cardiovascular diseases in patients with estrogen receptor-positive breast cancer (ER+ BC).
Major finding: Compared with patients who continued adjuvant HT, the rate of discontinuing cardiovascular therapy was higher among patients who discontinued HT within a period of 3 months before (incidence rate ratio [IRR] 1.83; 95% CI 1.41-2.37) and after (IRR 2.31; 95% CI 1.74-3.05) adjuvant HT discontinuation. Discontinuation of adjuvant HT was also associated with a higher risk for death due to cardiovascular diseases (hazard ratio 1.79; 95% CI 1.15-2.81).
Study details: Findings are from a population-based cohort study including 5493 patients with nonmetastatic ER+ BC who initiated adjuvant HT and concomitantly used cardiovascular therapy.
Disclosures: This study was supported by grants from the Swedish Research Council and other sources. The authors declared no conflicts of interest.
Source: He W et al. Concomitant discontinuation of cardiovascular therapy and adjuvant hormone therapy among patients with breast cancer. JAMA Netw Open. 2023;6(7):e2323752 (Jul 17). doi: 10.1001/jamanetworkopen.2023.23752
Key clinical point: Discontinuing adjuvant hormone therapy (HT) was associated with a higher likelihood of discontinuing cardiovascular therapy and an increased risk for mortality due to cardiovascular diseases in patients with estrogen receptor-positive breast cancer (ER+ BC).
Major finding: Compared with patients who continued adjuvant HT, the rate of discontinuing cardiovascular therapy was higher among patients who discontinued HT within a period of 3 months before (incidence rate ratio [IRR] 1.83; 95% CI 1.41-2.37) and after (IRR 2.31; 95% CI 1.74-3.05) adjuvant HT discontinuation. Discontinuation of adjuvant HT was also associated with a higher risk for death due to cardiovascular diseases (hazard ratio 1.79; 95% CI 1.15-2.81).
Study details: Findings are from a population-based cohort study including 5493 patients with nonmetastatic ER+ BC who initiated adjuvant HT and concomitantly used cardiovascular therapy.
Disclosures: This study was supported by grants from the Swedish Research Council and other sources. The authors declared no conflicts of interest.
Source: He W et al. Concomitant discontinuation of cardiovascular therapy and adjuvant hormone therapy among patients with breast cancer. JAMA Netw Open. 2023;6(7):e2323752 (Jul 17). doi: 10.1001/jamanetworkopen.2023.23752