BMC cancer · 2022
Eribulin improved the overall survival from the initiation of first-line chemotherapy for HER2-negative advanced breast cancer: a multicenter retrospective study.
Оценочное исследованиеСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Nakamoto Shogo, Watanabe Junichiro, Ohtani Shoichiro, Morita Satoshi, Ikeda Masahiko
Аннотация
BACKGROUND: Eribulin methylate (eribulin) improved the overall survival (OS) of eribulin-treated patients with HER2-negative advanced breast cancer (ABC) in prospective and retrospective studies. However, the effect of eribulin on OS as first-line chemotherapy and the characteristics of the patients who benefited from eribulin remain unclear.
METHODS: Between January 2011 and December 2016, 301 patients with HER2-negative ABC who started first-line chemotherapy at 3 institutions were retrospectively evaluated for OS from the initiation of first-line chemotherapy.
RESULTS: We identified 172 patients (119 estrogen receptor-positive [ER+], 47 ER-, 6 unknown) who received eribulin (eribulin group) and 129 patients (92 ER+, 31 ER-, 6 unknown) who did not receive eribulin (non-eribulin group). The median OS from the initiation of first-line chemotherapy in the two groups was not statistically significant (869 vs. 744 days, P = 0.47, log-rank); however, in patients who received eribulin in later lines (≥3rd-line) and who had a history of perioperative chemotherapy with anthracycline- and/or taxane-based regimens, the median OS improved (1001 vs. 744 days, P = 0.037; and 834 vs. 464 days, respectively P = 0.032, respectively; Wilcoxon). Multivariate analyses revealed that a history of perioperative chemotherapy with anthracycline- and/or taxane-based regimens was a predictive factor (hazard ratio, 0.39; 95% confidence interval, 0.21-0.70) for OS.
CONCLUSIONS: This study successfully identified subgroups of HER2- ABC patients with improved OS by eribulin therapy. Selecting patients according to their background and line of treatment will maximize the efficacy of eribulin therapy.
METHODS: Between January 2011 and December 2016, 301 patients with HER2-negative ABC who started first-line chemotherapy at 3 institutions were retrospectively evaluated for OS from the initiation of first-line chemotherapy.
RESULTS: We identified 172 patients (119 estrogen receptor-positive [ER+], 47 ER-, 6 unknown) who received eribulin (eribulin group) and 129 patients (92 ER+, 31 ER-, 6 unknown) who did not receive eribulin (non-eribulin group). The median OS from the initiation of first-line chemotherapy in the two groups was not statistically significant (869 vs. 744 days, P = 0.47, log-rank); however, in patients who received eribulin in later lines (≥3rd-line) and who had a history of perioperative chemotherapy with anthracycline- and/or taxane-based regimens, the median OS improved (1001 vs. 744 days, P = 0.037; and 834 vs. 464 days, respectively P = 0.032, respectively; Wilcoxon). Multivariate analyses revealed that a history of perioperative chemotherapy with anthracycline- and/or taxane-based regimens was a predictive factor (hazard ratio, 0.39; 95% confidence interval, 0.21-0.70) for OS.
CONCLUSIONS: This study successfully identified subgroups of HER2- ABC patients with improved OS by eribulin therapy. Selecting patients according to their background and line of treatment will maximize the efficacy of eribulin therapy.