Different immune contextures underlie tumor site‐specific responses to immune checkpoint blockade in esophageal cancer

Author:

Guo Jhe‐Cyuan123ORCID,Hsu Chia‐Lang45,Hsieh Min‐Shu6,Lin Chia‐Chi123,Huang Ta‐Chen35,Kuo Hung‐Yang35,Shao Yu‐Yun35,Hsu Chih‐Hung135ORCID

Affiliation:

1. Department of Medical Oncology National Taiwan University Cancer Center Taipei Taiwan

2. Graduate Institute of Clinical Medicine National Taiwan University College of Medicine Taipei Taiwan

3. Department of Oncology National Taiwan University Hospital Taipei Taiwan

4. Department of Medical Research National Taiwan University Hospital Taipei Taiwan

5. Graduate Institute of Oncology National Taiwan University College of Medicine Taipei Taiwan

6. Department of Pathology National Taiwan University Cancer Center Taipei Taiwan

Abstract

AbstractImmune checkpoint inhibitors (ICIs) have demonstrated efficacy in advanced esophageal squamous cell carcinoma (ESCC). Heterogeneous responses to ICIs have been reported previously. Here, we describe a patient with advanced ESCC exhibiting a response to durvalumab plus tremelimumab for more than 6 months except primary resistant esophageal tumor. The esophageal tumor had higher regulatory T cells, neutrophils, and mast cells scores estimated by NanoString platform than hepatic tumor. The immunohistochemistry study confirmed higher expression levels of Foxp3, and myeloperoxidase (MPO) in the esophageal tumor. The different immune contextures may underlie the heterogeneous responses to ICI combination in this ESCC patient.

Funder

Ministry of Health and Welfare

Ministry of Science and Technology, Taiwan

Publisher

Wiley

Subject

Pulmonary and Respiratory Medicine,Oncology,General Medicine

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