Gastrointestinal Stromal Tumor: Current Approaches and Future Directions in the Treatment of Advanced Disease

Carlo M Cicala1, Sebastian Bauer2, Michael C Heinrich3

  • 1Sarcoma Translational Research Group, Vall d'Hebron Institute of Oncology (VHIO), Carrer de Natzaret 115-117, 08035 Barcelona, Spain.

Insights

Advanced gastrointestinal stromal tumor (GIST) treatment involves tyrosine kinase inhibitors (TKIs) and personalized, mutation-guided strategies. Future approaches include next-generation KIT inhibitors and combination therapies for improved outcomes.

Area of Science:

  • Oncology
  • Gastrointestinal Oncology
  • Molecular Targeted Therapy

Background:

  • Gastrointestinal stromal tumors (GIST) represent a significant challenge in oncology.
  • Current treatment paradigms for advanced GIST primarily rely on tyrosine kinase inhibitors (TKIs).
  • Understanding the molecular basis of GIST, including specific mutations, is crucial for effective therapy.

Purpose of the Study:

  • To review the current and future treatment landscape for advanced gastrointestinal stromal tumors (GIST).
  • To highlight the role of various tyrosine kinase inhibitors (TKIs) and mutation-specific therapies.
  • To emphasize the importance of individualized and multidisciplinary treatment approaches for GIST.

Main Methods:

  • Comprehensive literature review of advanced GIST treatment strategies.
  • Analysis of the efficacy of approved and investigational TKIs.
  • Discussion of mutation-guided therapy, including for wild-type GIST.
  • Exploration of multidisciplinary and personalized treatment planning.

Main Results:

  • Imatinib remains a cornerstone TKI therapy for advanced GIST.
  • Second- and third-line TKIs like sunitinib, regorafenib, and ripretinib offer options for refractory disease.
  • Avapritinib demonstrates efficacy for specific mutations (PDGFRA D842V).
  • Mutation status significantly influences treatment selection, especially in wild-type GIST.

Conclusions:

  • Personalized, mutation-guided treatment strategies are essential for advanced GIST.
  • Multidisciplinary teams are vital for optimizing surgical and locoregional interventions.
  • Next-generation KIT inhibitors, combination therapies, and novel investigational approaches hold promise for future GIST management.