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논문 기본 정보

자료유형
학술저널
저자정보
김정선 (서울대학교) 서경진 (분당서울대학교병원) 이대원 (서울대학교) 우고운 (서울대학교) 김미소 (서울대학교병원) 김세현 (분당서울대학교병원) 유한석 (서울대학교) 이경훈 (서울대학교병원) 김태용 (서울대학교병원) 한세원 (서울대학교병원) 박소연 (서울대학교) 박인애 (서울대학교) 김지현 (서울대학교) 임석아 (서울대학교)
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제54권 제2호
발행연도
2022.4
수록면
488 - 496 (9page)
DOI
10.4143/crt.2021.394

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PurposeWe aimed to assess the real-world efficacy of nab-paclitaxel in metastatic breast cancer patients.Materials and MethodsThis is a retrospective study performed in two tertiary referral hospitals in Korea. Patients with metastatic breast cancer treated with nab-paclitaxel (Abraxane®) between March 2016 and March 2020 were enrolled.ResultsA total of 102 patients with metastatic breast cancer were included. Patients were heavily pre-treated with a median of four prior lines of chemotherapy (5 lines when including endocrine therapy in hormone-receptor-positive patients), and 66 patients (64.7%) were exposed to taxanes in the metastatic setting. According to St. Gallen molecular subtypes, 36 patients (35.3%) were luminal A, 28 (27.5%) were luminal B, 18 (17.7%) were human epidermal growth factor receptor 2?positive and 20 (19.6%) had triple-negative disease. Fifty patients (49.0%) were treated with a 3-weekly regimen (260 mg/m<sup>2</sup> on day 1 every 3 weeks), and 52 (51.0%) were treated with a weekly regimen (100 mg/m<sup>2</sup> every week). Objective response rate was 22.9%. After a median follow-up of 22.0 months, median progression-free survival (PFS) was 4.0 months (95% confidence interval [CI], 2.6 to 4.8) and median overall survival was 8.7 months (95% CI, 7.5 to 11.2). Patients treated with weekly regimen had longer PFS compared to 3-weekly regimen (5.5 vs. 2.3 months, p < 0.001). Multivariate analysis revealed the treatment regimen as an independent prognostic factor for PFS. There was no grade 3 or 4 hypersensitivity reaction.ConclusionThis real-world data shows that nab-paclitaxel is a reasonable treatment option in heavily pre-treated and/or taxane-exposed metastatic breast cancer patients.

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