Abstract

Despite the availability of prophylactic human papillomavirus (HPV) vaccines, there is a growing incidence of HPV-associated head and neck squamous cell carcinomas (HPV-HNSCC) worldwide. The viral etiology of HPV-HNSCC provides an opportunity to develop personalized immune-based therapies, which target the unique viral- or tumor-specific proteins. Novel HPV-targeted immunotherapeutic approaches in clinical development are reviewed. Early results from these trials highlight new opportunities and potential challenges ahead. Immunotherapies for HPV-associated HNSCCs will require a tailored combinatorial approach based on preexisting mechanisms of host immune resistance. As the field continues to identify the relevant HPV types 16 and 18 immunogenic epitopes that are presented by diverse HLA class I alleles, improved HPV-targeted biologics and clinical monitoring tools can be developed and applied to a broader cancer patient population.

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