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Updated: Oct 10, 2025

Chromogenic In Situ Hybridization as a Tool for HPV-Related Head and Neck Cancer Diagnosis
Published on: June 14, 2019
Immunotherapy Approaches in HPV-Associated Head and Neck Cancer
Ricklie Julian1, Malvi Savani1, Julie E Bauman1
1Department of Medicine, Division of Hematology/Oncology, University of Arizona, Tucson, AZ 85724, USA.
Abstract:
Immunotherapy approaches for head and neck squamous cell carcinoma (HNSCC) are rapidly advancing. Human papillomavirus (HPV) has been identified as a causative agent in a subset of oropharyngeal cancers (OPC). HPV-positive OPC comprises a distinct clinical and pathologic disease entity and has a unique immunophenotype. Immunotherapy with anti-PD1 checkpoint inhibitors has exhibited improved outcomes for patients with advanced HNSCC, irrespective of HPV status. To date, the clinical management of HPV-positive HNSCC and HPV-negative HNSCC has been identical, despite differences in the tumor antigens, immune microenvironment, and immune signatures of these two biologically distinct tumor types. Numerous clinical trials are underway to further refine the application of immunotherapy and develop new immunotherapy approaches. The aim of this review is to highlight the developing role of immunotherapy in HPV-positive HNSCC along with the clinical evidence and preclinical scientific rationale behind emerging therapeutic approaches, with emphasis on promising HPV-specific immune activators that exploit the universal presence of foreign, non-self tumor antigens.
Insights
Immunotherapy shows promise for advanced head and neck cancers. This review focuses on human papillomavirus (HPV)-positive oropharyngeal cancers and novel HPV-specific immunotherapies targeting unique tumor antigens.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Head and neck squamous cell carcinoma (HNSCC) treatment is evolving with immunotherapy.
- Human papillomavirus (HPV) is a key factor in a subset of oropharyngeal cancers (OPC), creating a distinct disease entity.
- Current management for HPV-positive and HPV-negative HNSCC is similar, despite biological differences.
Purpose of the Study:
- To review the role of immunotherapy in HPV-positive HNSCC.
- To highlight clinical evidence and scientific rationale for emerging immunotherapies.
- To emphasize HPV-specific immune activators targeting foreign tumor antigens.
Main Methods:
- Review of current clinical trials and preclinical research.
- Analysis of immunotherapy outcomes in advanced HNSCC, including HPV status.
- Focus on HPV-specific immune activators.
Main Results:
- Anti-PD1 checkpoint inhibitors improve outcomes in advanced HNSCC, regardless of HPV status.
- HPV-positive OPC has unique tumor antigens and immune microenvironment.
- Numerous clinical trials are exploring refined immunotherapy applications.
Conclusions:
- Immunotherapy is a rapidly advancing field for HNSCC.
- HPV-positive HNSCC represents a distinct target for tailored immunotherapy.
- Exploiting HPV-specific antigens offers a promising therapeutic avenue.
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