Pexidartinib and standard neoadjuvant therapy in the adaptively randomized I-SPY2 trial for early breast cancer.

IF 3 3区医学 Q2 ONCOLOGY

Breast Cancer Research and Treatment Pub Date : 2024-12-03 DOI:10.1007/s10549-024-07555-9

Hope S Rugo, Mike Campbell, Christina Yau, A Jo Chien, Anne M Wallace, Claudine Isaacs, Judy C Boughey, Hyo S Han, Meredith Buxton, Julia L Clennell, Smita M Asare, Katherine Steeg, Amy Wilson, Ruby Singhrao, Jeffrey B Matthews, Jane Perlmutter, W Fraser Symmans, Nola M Hylton, Angela M DeMichele, Douglas Yee, Laura J Van't Veer, Donald A Berry, Laura J Esserman

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引用次数: 0

Abstract

Purpose: We investigated the small-molecule receptor tyrosine kinase-inhibitor of colony-stimulating factor-1 receptor pexidartinib in the stage II/III breast cancer in the I-SPY2 platform trial.

Methods: I-SPY2 is an adaptive platform trial that features multiple arms of experimental agents administered on a background of standard neoadjuvant therapy with paclitaxel and adriamycin/cyclophosphamide, followed by definitive surgery. The adaptive randomization engine preferentially assigns patients based upon cumulative performance of each agent in a given breast cancer subtype based on hormone receptor and HER2 receptor status. The study endpoint is pathologic complete response.

Results: A total of 9 participants were randomized to receive pexidartinib with neoadjuvant paclitaxel before enrollment was halted due to a serious adverse event of vanishing bile duct syndrome. No participants received a full course of the study drug.

Conclusion: Although there remains interest in agents targeting CSF-1, hepatic toxicity appears to be a limiting factor for their use in early breast cancer.

Trial registration: NCT01042379 ( www.

Clinicaltrials: gov/ct2/show/NCT01042379 ).

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来源期刊

Breast Cancer Research and Treatment 医学-肿瘤学

CiteScore

6.80

自引率

2.60%

发文量

342

审稿时长

1 months

期刊介绍： Breast Cancer Research and Treatment provides the surgeon, radiotherapist, medical oncologist, endocrinologist, epidemiologist, immunologist or cell biologist investigating problems in breast cancer a single forum for communication. The journal creates a "market place" for breast cancer topics which cuts across all the usual lines of disciplines, providing a site for presenting pertinent investigations, and for discussing critical questions relevant to the entire field. It seeks to develop a new focus and new perspectives for all those concerned with breast cancer.