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Updated: Feb 10, 2026

In Vitro Establishment of a Genetically Engineered Murine Head and Neck Cancer Cell Line using an Adeno-Associated Virus-Cas9 System
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Checkpoint Inhibitors in Head and Neck Cancer: Rationale, Clinical Activity, and Potential Biomarkers

Panagiota Economopoulou1, Ioannis Kotsantis2, Amanda Psyrri3

  • 1Department of Internal Medicine, Section of Medical Oncology, Attikon University Hospital, National Kapodistrian University of Athens, School of Medicine, 1St Rimini St, 12462, Haidari, Athens, Greece. panagiota_oiko@hotmail.com.

Current Treatment Options in Oncology
|June 18, 2016
PubMed
Abstract

Insights

Immune checkpoint inhibitors targeting programmed cell death protein 1 (PD-1) and cytotoxic T lymphocyte antigen 4 (CTLA-4) show promise in cancer treatment. Biomarker development is crucial for selecting head and neck squamous cell carcinoma patients who will benefit from these therapies.

Area of Science:

  • Oncology
  • Immunology
  • Molecular Biology

Background:

  • Immune checkpoint inhibitors targeting PD-1 and CTLA-4 pathways have yielded significant anti-cancer outcomes.
  • Approvals in melanoma, non-small cell lung cancer, and renal cell cancer highlight their clinical efficacy.
  • Ongoing research explores PD-1 inhibitors in diverse tumor types and combination therapies.

Purpose of the Study:

  • To evaluate the potential of PD-1 pathway inhibitors in treating head and neck squamous cell carcinoma (HNSCC).
  • To emphasize the critical need for biomarker development in HNSCC for patient selection and trial design.

Main Methods:

  • Review of current clinical data and research on immune checkpoint inhibitors.
  • Analysis of HNSCC characteristics, including its immunosuppressive nature.
  • Discussion of biomarker strategies for patient stratification.

Main Results:

  • PD-1 and CTLA-4 pathway inhibition demonstrates clinical success in various cancers.
  • HNSCC presents a promising, yet challenging, area for immunotherapy investigation due to profound immunosuppression.
  • Biomarker-driven patient selection is essential for maximizing therapeutic benefit.

Conclusions:

  • Immune checkpoint inhibitors are a rapidly advancing frontier in cancer treatment.
  • Targeting PD-1 pathways in HNSCC warrants further investigation, with a focus on identifying responsive patient subsets.
  • Biomarker development is paramount for the successful clinical application of immunotherapy in HNSCC.
Keywords:
BiomarkersCTLA-4Head and neck cancerMonoclonal antibodiesPD-1PD-L1

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