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Systemic Immune Modulation by Stereotactic Radiotherapy in Early-stage Lung Cancer

Overview
Publisher Springer Nature
Specialty Oncology
Date 2023 Mar 2
PMID 36864234
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Abstract

We performed a prospective study of circulating immune cell changes after stereotactic body radiotherapy (SBRT) in 50 early-stage NSCLC patients. We found no significant increase in CD8 cytotoxic T lymphocytes at first follow-up (the primary endpoint) but detected a significant increase in expanding Ki-67CD8 and Ki-67CD4 T-cell fractions in patients treated with 10 Gy or less per fraction. SBRT can induce significant expansion in circulating effector T-cells immediately post-treatment.

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