Remarkable response to combined immunochemotherapy in patients with metastatic triple-negative breast cancer.

Abstract:

:Background: Progress in immunotherapy (IT) has shifted treatment paradigms for multiple malignancies. In March 2019, the combination of nab-paclitaxel and atezolizumab was approved by the US FDA for patients with PD-L1 positive metastatic triple-negative breast cancer based on positive results of the Impassion130 trial. Although numerous studies have examined the prognostic role of PD-L1, the value of this test remains controversial. Results: Here, we presented the cases of three heavily pretreated women with metastatic triple-negative breast cancer who exhibited remarkable responses to combined IT and chemotherapy despite undetectable PD-L1. Conclusion: In our opinion, the current FDA-approved assessment for PD-L1 expression is a reasonable tool for deciding whether to start IT. However, because this approach has many limitations, patients with undetectable PD-L1 expression should still be considered for IT.

journal_name

Immunotherapy

journal_title

Immunotherapy

authors

Philipovskiy A,Chambers K,Konstantinidis I,McCallum R,Corral J,Gaur S

doi

10.2217/imt-2020-0202

subject

Has Abstract

pub_date

2020-12-01 00:00:00

pages

1293-1302

issue

18

eissn

1750-743X

issn

1750-7448

journal_volume

12

pub_type

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