Beyond Neoantigens: Antigens Derived from Tumor Drivers as Cancer Vaccine Targets.

Crosby, Erika J; Hartman, Zachary C; Lyerly, H Kim · Clin Cancer Res · 2023

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Abstract

A vaccine targeting HER2, a nonmutated but overexpressed tumor antigen, readily primed T cells for ex vivo expansion and adoptive transfer with minimal toxicity. This regimen led to intramolecular epitope spreading in a majority of patients and offers a treatment modality that may improve outcomes for patients with metastatic breast cancer expressing HER2. See related article by Disis et al., p. 3362.

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