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- W1583886228 abstract "BACKGROUND: We assessed the efficacy of taxane chemotherapy in BRCA1- and BRCA2-associated patients compared with sporadic metastatic breast cancer patients. METHODS: Response rates (RRs) to and progression-free survival (PFS) after taxane chemotherapy of 35 BRCA1-associated and 13 BRCA2-associated metastatic breast cancer patients were compared with those outcomes in 95 matched (1:2) sporadic patients. Matching was performed for age at and year of diagnosis of primary breast cancer, year of metastatic disease, and line of therapy (first vs second or third). RESULTS: Among BRCA1-associated patients, the RR was worse (objective response [OR], 23% vs 38%; progressive disease [PD], 60% vs 19%; P < 0.001); and the median PFS shorter (2.2 vs 4.9 months; P = 0.04) compared with sporadic patients. In the subgroup of hormone receptor (HRec)-negative patients, BRCA1-associated patients (n = 20) had a worse RR (OR, 20% vs 42%, respectively; PD, 70% vs 26%, respectively; P = 0.03) and a shorter PFS (1.8 vs 3.8 months; P = 0.004) compared with sporadic patients (n = 19). These outcomes in HRec-positive patients were similar in BRCA1-associated (n = 11) and sporadic (n = 61) patients (OR, 36% vs 38%; PD, 28% vs 20%; median PFS, both 5.7 months). In BRCA2-associated patients, who were mainly HRec-positive, the OR was higher than in sporadic patients (89% vs 38%, respectively; P = 0.02), whereas the median PFS was not significantly different (7.1 vs 5.7 months, respectively). CONCLUSIONS: BRCA1-associated, HRec-negative metastatic breast cancer patients were less sensitive to taxane chemotherapy than sporadic HRec-negative patients. HRec-positive BRCA1- and BRCA2-associated patients had a sensitivity to taxane chemotherapy similar to that of sporadic patients. Cancer 2012;. © 2011 American Cancer Society." @default.
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- W1583886228 date "2011-07-14" @default.
- W1583886228 modified "2023-10-17" @default.
- W1583886228 title "The efficacy of taxane chemotherapy for metastatic breast cancer in BRCA1 and BRCA2 mutation carriers" @default.
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- W1583886228 doi "https://doi.org/10.1002/cncr.26351" @default.
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