A molecular guide to systemic therapy in salivary gland carcinoma

Alice N Weaver1, Stephanie Lakritz1, Divneet Mandair2

  • 1Division of Medical Oncology, University of Colorado School of Medicine, Denver, Colorado, USA.

Head & Neck
|March 2, 2023
PubMed

Insights

Salivary gland carcinomas (SGCs) are rare head and neck cancers. Recent advances in precision therapy targeting molecular alterations like HER2 and NTRK gene fusions have significantly improved treatment outcomes for advanced SGCs.

Area of Science:

  • Oncology
  • Head and Neck Cancer Research
  • Molecular Diagnostics

Background:

  • Salivary gland carcinomas (SGCs) represent a rare and heterogeneous category of head and neck malignancies.
  • Historically, SGCs have demonstrated limited responsiveness to conventional chemotherapy and immunotherapy, particularly in recurrent, advanced, or metastatic stages.

Purpose of the Study:

  • To review the current landscape of precision therapy for salivary gland carcinomas.
  • To discuss emerging molecular targets and their impact on treatment outcomes.
  • To outline ongoing clinical trials and future therapeutic strategies for SGCs.

Main Methods:

  • Literature review of precision therapies for SGCs.
  • Analysis of identified molecular alterations (e.g., HER2, androgen receptor, Notch, NTRK, RET).
  • Summary of current systemic treatment options and clinical trial data.

Main Results:

  • Identification of targetable molecular alterations in SGCs, including HER2 upregulation, androgen receptor overexpression, Notch receptor activation, NTRK gene fusions, and RET alterations.
  • Demonstrated improvement in treatment outcomes due to targeted therapies in recent years.
  • Active clinical trials exploring novel therapeutic strategies.

Conclusions:

  • Precision therapy has transformed the management of SGCs.
  • Targeting specific molecular alterations offers improved outcomes for patients with advanced disease.
  • Continued research and clinical trials are crucial for further advancing SGC treatment.

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