Real-world risk of recurrence and treatment outcomes with adjuvant endocrine therapy in patients with stage II-III HR+/HER2- early breast cancer

IF 5.7 2区 医学 Q1 OBSTETRICS & GYNECOLOGY
Joyce O'Shaughnessy , Sara M. Tolaney , Denise A. Yardley , Lowell Hart , Pedram Razavi , Peter A. Fasching , Wolfgang Janni , Lee Schwartzberg , Julia Kim , Murat Akdere , Courtney McDermott , Aamir Khakwani , Purnima Pathak , Stephanie L. Graff
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引用次数: 0

Abstract

Background

Despite adjuvant endocrine therapy (ET), recurrence is still a concern for patients with HR+/HER2- early breast cancer (EBC). We assessed recurrence risk in real-world patients with stage II/III HR+/HER2- EBC treated with adjuvant ET.

Methods

A retrospective analysis was conducted using the ConcertAI Patient360 database (January 1995 to April 2021) of patients with stage II/III HR+/HER2- EBC ≥18 years who underwent surgery and received adjuvant ET. Risk of recurrence was assessed using invasive disease-free survival (iDFS) with adapted STEEP criteria. An ET subanalysis evaluated iDFS, distant disease-free survival, and overall survival in patients receiving adjuvant non-steroidal aromatase inhibitors (NSAI) vs tamoxifen.

Results

In the full analysis cohort (N = 3133), the risk of an iDFS event was 26.1 % at 5 years, rising to 45.0 % at 10 years. Among patients with stage II disease, the risk of an iDFS event at 5 and 10 years was 22.7 % and 40.5 %, respectively; stage III 5- and 10-year risk was 40.4 % and 62.9 %. Patients with node-negative disease had 5- and 10-year risks of 22.1 % and 36.9 %, respectively; node-positive 5- and 10-year risk was 28.9 % and 49.4 %. ET subanalysis showed improved iDFS with NSAI ± ovarian function suppression vs tamoxifen ± ovarian function suppression (HR, 0.83; 95 % CI, 0.69–0.98; p = 0.031); this trend was observed regardless of menopausal status.

Conclusions

This real-world study highlights the considerable risk of recurrence with adjuvant ET in patients with stage II or III HR+/HER2- EBC (including node-negative disease) and confirms the need for improved treatment options.
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来源期刊
Breast
Breast 医学-妇产科学
CiteScore
8.70
自引率
2.60%
发文量
165
审稿时长
59 days
期刊介绍: The Breast is an international, multidisciplinary journal for researchers and clinicians, which focuses on translational and clinical research for the advancement of breast cancer prevention, diagnosis and treatment of all stages.
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