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Key clinical point: Among patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2−) breast cancer (BC), adjuvant chemotherapy failed to improve survival outcomes in older women (age ≥ 80 years) but improved prognosis in women age 65-79 years.
Major finding: Adjuvant chemotherapy did not significantly improve overall survival (OS; P = .79) and cancer-specific survival (CSS; P = .091) outcomes in patients age 80 years and older. However, in patients age 65-79 years, adjuvant chemotherapy was effective in improving OS (P < .001) but not CSS (P = .092).
Study details: This retrospective cohort study included 45,762 women with HR+/HER2− BC, age 65-79 years (n = 38,128) or 80 years and older (n = 7634) from the Surveillance, Epidemiology, and End Results (SEER) database, of whom 20.7% and 3.8%, respectively, received adjuvant chemotherapy.
Disclosures: This study was supported by the Project '100 Foreign Experts Plan of Hebei Province,' China. The authors did not declare any conflicts of interest.
Source: Ma X, Wu S, Zhang X, et al. Adjuvant chemotherapy and survival outcomes in older women with HR+/HER2- breast cancer: A propensity score-matched retrospective cohort study using the SEER database. BMJ Open. 2024;14:e078782. doi: 10.1136/bmjopen-2023-078782 Source
Key clinical point: Among patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2−) breast cancer (BC), adjuvant chemotherapy failed to improve survival outcomes in older women (age ≥ 80 years) but improved prognosis in women age 65-79 years.
Major finding: Adjuvant chemotherapy did not significantly improve overall survival (OS; P = .79) and cancer-specific survival (CSS; P = .091) outcomes in patients age 80 years and older. However, in patients age 65-79 years, adjuvant chemotherapy was effective in improving OS (P < .001) but not CSS (P = .092).
Study details: This retrospective cohort study included 45,762 women with HR+/HER2− BC, age 65-79 years (n = 38,128) or 80 years and older (n = 7634) from the Surveillance, Epidemiology, and End Results (SEER) database, of whom 20.7% and 3.8%, respectively, received adjuvant chemotherapy.
Disclosures: This study was supported by the Project '100 Foreign Experts Plan of Hebei Province,' China. The authors did not declare any conflicts of interest.
Source: Ma X, Wu S, Zhang X, et al. Adjuvant chemotherapy and survival outcomes in older women with HR+/HER2- breast cancer: A propensity score-matched retrospective cohort study using the SEER database. BMJ Open. 2024;14:e078782. doi: 10.1136/bmjopen-2023-078782 Source
Key clinical point: Among patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2−) breast cancer (BC), adjuvant chemotherapy failed to improve survival outcomes in older women (age ≥ 80 years) but improved prognosis in women age 65-79 years.
Major finding: Adjuvant chemotherapy did not significantly improve overall survival (OS; P = .79) and cancer-specific survival (CSS; P = .091) outcomes in patients age 80 years and older. However, in patients age 65-79 years, adjuvant chemotherapy was effective in improving OS (P < .001) but not CSS (P = .092).
Study details: This retrospective cohort study included 45,762 women with HR+/HER2− BC, age 65-79 years (n = 38,128) or 80 years and older (n = 7634) from the Surveillance, Epidemiology, and End Results (SEER) database, of whom 20.7% and 3.8%, respectively, received adjuvant chemotherapy.
Disclosures: This study was supported by the Project '100 Foreign Experts Plan of Hebei Province,' China. The authors did not declare any conflicts of interest.
Source: Ma X, Wu S, Zhang X, et al. Adjuvant chemotherapy and survival outcomes in older women with HR+/HER2- breast cancer: A propensity score-matched retrospective cohort study using the SEER database. BMJ Open. 2024;14:e078782. doi: 10.1136/bmjopen-2023-078782 Source