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Immunotherapy for Head and Neck Squamous Cell Carcinoma: A Review of Current and Emerging Therapeutic Options.

ABSTRACT: Advances in the field of cancer immunotherapy have occurred rapidly over the past decade. Exciting results from clinical trials have led to new treatment options and improved survival for patients with a myriad of solid tumor pathologies. However, questions remain unanswered regarding duration and timing of therapy, combination regimens, appropriate biomarkers of disease, and optimal monitoring of therapeutic response. This article reviews emerging immunotherapeutic agents and significant clinical trials that have led to advancements in the field of immuno-oncology for patients with head and neck squamous cell carcinoma. IMPLICATIONS FOR PRACTICE:This review article summarizes recently developed agents that harness the immune system to fight head and neck squamous cell carcinoma. A brief review of the immune system and its role in cancer development is included. Recently completed and emerging therapeutic trials centering on the immune system and head and neck cancer are reviewed.

SUBMITTER: Moskovitz JM

PROVIDER: S-EPMC5469583 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Immunotherapy for Head and Neck Squamous Cell Carcinoma: A Review of Current and Emerging Therapeutic Options.

Moskovitz Jessica M JM Moy Jennifer J Seiwert Tanguy Y TY Ferris Robert L RL

The oncologist 20170515 6

Advances in the field of cancer immunotherapy have occurred rapidly over the past decade. Exciting results from clinical trials have led to new treatment options and improved survival for patients with a myriad of solid tumor pathologies. However, questions remain unanswered regarding duration and timing of therapy, combination regimens, appropriate biomarkers of disease, and optimal monitoring of therapeutic response. This article reviews emerging immunotherapeutic agents and significant clinic ...[more]

PMID: 28507203

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Project description:To show the relationship between antibody delivery and therapeutic efficacy in head and neck cancers, in this study we evaluated the pharmacokinetics and pharmacodynamics of epidermal growth factor receptor (EGFR)-targeted immunotherapy and radioimmunotherapy by quantitative positron emission tomography (PET) imaging.EGFR expression on UM-SCC-22B and SCC1 human head and neck squamous cell cancer (HNSCC) cells were determined by flow cytometry and immunostaining. Tumor delivery and distribution of cetuximab in tumor-bearing nude mice were evaluated with small animal PET using (64)Cu-DOTA-cetuximab. The in vitro toxicity of cetuximab to HNSCC cells was evaluated by MTT assay. The tumor-bearing mice were then treated with four doses of cetuximab at 10 mg/kg per dose, and tumor growth was evaluated by caliper measurement. FDG PET was done after the third dose of antibody administration to evaluate tumor response. Apoptosis and tumor cell proliferation after cetuximab treatment were analyzed by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling and Ki-67 staining. Radioimmunotherapy was done with (90)Y-DOTA-cetuximab.EGFR expression on UM-SCC-22B cells is lower than that on SCC1 cells. However, the UM-SCC-22B tumors showed much higher (64)Cu-DOTA-cetuximab accumulation than the SCC1 tumors. Cetuximab-induced apoptosis in SCC1 tumors and tumor growth was significantly inhibited, whereas an agonistic effect of cetuximab on UM-SCC-22B tumor growth was observed. After cetuximab treatment, the SCC1 tumors showed decreased FDG uptake, and the UM-SCC-22B tumors had increased FDG uptake. UM-SCC-22B tumors are more responsive to (90)Y-DOTA-cetuximab treatment than SCC1 tumors, partially due to the high tumor accumulation of the injected antibody.Cetuximab has an agonistic effect on the growth of UM-SCC-22B tumors, indicating that tumor response to cetuximab treatment is not necessarily related to EGFR expression and antibody delivery efficiency, as determined by PET imaging. Although PET imaging with antibodies as tracers has limited function in patient screening, it can provide guidance for targeted therapy using antibodies as delivery vehicles.

Dataset Information

Immunotherapy for Head and Neck Squamous Cell Carcinoma: A Review of Current and Emerging Therapeutic Options.

Publications

Immunotherapy for Head and Neck Squamous Cell Carcinoma: A Review of Current and Emerging Therapeutic Options.

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