Sorafenib for treating head and neck adenocarcinoma of unknown primary site: a case report

Jingxian Chen1, Chien-Shan Cheng2,3, Jie Chen4

  • 1Department of Traditional Chinese Medicine, Ruijin Hospital, Jiaotong University School of Medicine, Shanghai, China.

Insights

This study reports a rare head and neck cancer case. Genetic screening revealed specific mutations, and targeted therapy with sorafenib improved patient outcomes.

Area of Science:

  • Oncology
  • Genetics
  • Pharmacology

Background:

  • Head and neck cancers represent a diverse group of malignancies.
  • Adenocarcinoma of unknown primary site presents diagnostic and therapeutic challenges.
  • Standard treatments like chemotherapy and radiotherapy may be insufficient for advanced disease.

Observation:

  • A 59-year-old male presented with advanced head and neck adenocarcinoma of unknown primary.
  • The patient experienced disease progression despite multiple cycles of chemotherapy and radiotherapy.
  • Next-generation sequencing was employed for comprehensive genetic profiling.

Findings:

  • Genetic analysis identified vascular endothelial growth factor A (VEGF-A) amplification.
  • A significant TP53 R209Kfs mutation was detected in the tumor.
  • These molecular alterations guided subsequent treatment decisions.

Implications:

  • Targeted therapy with sorafenib, a multi-targeted protein kinase inhibitor, was initiated.
  • Sorafenib effectively controlled the patient's symptoms, improving quality of life.
  • This case highlights the potential of precision medicine in managing rare cancers with specific genetic profiles.

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