Biomarkers that may predict response to immunotherapy in ovarian malignancies.

Abstract:

PURPOSE OF REVIEW:Immune checkpoint blockade (ICB) is a promising area of cancer therapeutic research. Therapies targeting the programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) mechanism of tumor immune evasion have resulted in durable responses in many difficult-to-treat tumor types. While these inhibitors are being actively investigated in clinical trials for ovarian cancer, most patients fail to respond to initial treatment with immune therapy. This review focuses on biomarkers for predicting response to treatment, and discusses clinical trials using ICB for recurrent ovarian cancer. RECENT FINDINGS:While PD-L1 detection by immunohistochemistry (IHC) is approved as a companion or complementary diagnostic in some cancers, there are many limitations with its use as a predictive marker. Recent research has explored biomarkers beyond PD-L1 that assess for somatic mutations, immune cell infiltrate, and gene signatures. SUMMARY:With improved understanding of the tumor microenvironment and genomic classifications of ovarian tumors, new diagnostics and biomarkers that supplement conventional IHC may help predict response to therapy.

authors

Chin CD,Fares CM,Konecny GE,Rao J

doi

10.1097/GCO.0000000000000596

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

84-90

issue

1

eissn

1040-872X

issn

1473-656X

pii

00001703-202002000-00013

journal_volume

32

pub_type

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