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Published on: September 29, 2018
Immunotherapeutic Approaches to Head and Neck Cancer
1Department of Otolaryngology-Head and Neck Surgery, David Geffen School of Medicine.
Abstract:
Head and neck squamous cell carcinoma (HNSCC) is an immunosuppressive disease with multiple mechanisms to impair immune-mediated recognition and control of tumor cell proliferation and metastasis. Based on successes experienced with cancer immunotherapy in the treatment of other solid tumors, considerable efforts are underway to develop immunotherapeutics that can enhance the host antitumor response to HNSCC. Promising results in preclinical studies and early clinical trials have been reported, prompting the FDA to approve the use of the immune checkpoint PD-1 receptor antagonist pembrolizumab for the treatment of platinum-refractory recurrent or metastatic HNSCC in 2016. Ongoing clinical trials are investigating the use of various immunotherapies, such as vaccines, adoptive T-cell transfer, and immune modulating antibodies alone or in conjunction with traditional treatment modalities, to achieve more efficacious, more durable, and less toxic treatments. In this article, we provide a basic review of the role of the immune system in developing malignancy, and we discuss some notable mechanisms of immune evasion in HNSCC. We highlight current approaches and published clinical results of immunotherapy in the treatment of HNSCC.
Insights
Head and neck squamous cell carcinoma (HNSCC) is an immunosuppressive disease. Immunotherapy, including PD-1 inhibitors, shows promise for treating HNSCC by enhancing the immune response against tumors.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Head and neck squamous cell carcinoma (HNSCC) exhibits immunosuppressive properties, hindering immune surveillance and tumor control.
- Tumor cells employ various mechanisms to evade immune detection and destruction.
- The success of cancer immunotherapy in other solid tumors motivates its application in HNSCC.
Purpose of the Study:
- To review the role of the immune system in HNSCC development.
- To discuss immune evasion strategies employed by HNSCC.
- To highlight current immunotherapeutic approaches and clinical outcomes for HNSCC.
Main Methods:
- Review of scientific literature on HNSCC immunology and immunotherapy.
- Analysis of preclinical data and early-phase clinical trial results.
- Discussion of FDA-approved immunotherapies and ongoing clinical investigations.
Main Results:
- Pembrolizumab (an immune checkpoint PD-1 receptor antagonist) is FDA-approved for platinum-refractory recurrent or metastatic HNSCC.
- Preclinical studies and early clinical trials demonstrate promising efficacy of immunotherapies.
- Various immunotherapeutic strategies, including vaccines and adoptive T-cell transfer, are under investigation.
Conclusions:
- Immunotherapy represents a promising avenue for treating HNSCC.
- Further research and clinical trials are essential to optimize immunotherapy efficacy, durability, and safety in HNSCC.
- Combination strategies involving immunotherapy and traditional treatments may offer improved outcomes.
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