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Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors
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Recent Advances in Targeted Therapies for Advanced Gastrointestinal Malignancies

Jasmine C Huynh1, Erin Schwab1, Jingran Ji2

  • 1Hematology Oncology, University of California, Davis, Sacramento, CA 95817, USA.

Cancers
|May 10, 2020
PubMed

Insights

Molecular profiling is crucial for advanced gastrointestinal (GI) cancers, guiding targeted therapies like HER2 and PD-L1 inhibitors. This approach optimizes treatment selection for better outcomes in GI malignancies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Gastroenterology

Background:

  • Advanced gastrointestinal (GI) cancers increasingly rely on molecularly targeted therapies.
  • Standard molecular profiling (HER2, PD-L1, RAS, BRAF, MSI/MMR) guides treatment selection for specific GI cancers.

Purpose of the Study:

  • To review recent seminal trials advancing targeted therapies in GI malignancies.
  • To highlight the integral role of molecular profiling in identifying candidates for targeted treatments.

Main Methods:

  • Review of recent clinical trials and established guidelines for GI cancer molecular profiling.
  • Analysis of targeted therapy applications based on molecular markers.

Main Results:

  • HER2 and PD-L1 testing are standard for metastatic gastroesophageal junction (GEJ) cancers.
  • RAS/BRAF testing is standard for metastatic colorectal cancer (CRC).
  • MSI/MMR testing is standard for advanced GI cancers to guide immunotherapy.

Conclusions:

  • Targeted therapies are integral to advanced GI cancer treatment paradigms.
  • Standard molecular profiling is essential for identifying eligible patients and optimizing therapy selection.
  • Emerging targeted therapies include PARP, BRAF, IDH, and FGFR inhibitors across various GI cancers.
Keywords:
gastrointestinal cancermolecular targets

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