Fibroblast growth factor receptors as treatment targets in clinical oncology

Masaru Katoh1

  • 1Department of Omics Network, National Cancer Center, 5-1-1 Tsukiji, Chuo ward, Tokyo, Japan. mkatoh-kkr@umin.ac.jp.

Insights

Fibroblast Growth Factor Receptors (FGFRs) alterations drive cancer, but FGFR inhibitors show limited response rates. This review explores strategies to improve patient selection and combination therapies for better outcomes.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Fibroblast Growth Factor Receptors (FGFRs) are crucial for development and tissue repair.
  • Aberrant FGFR signaling, through alterations like amplifications and mutations, contributes to cancer development and progression.
  • FGFRs are implicated in various solid tumors, making them therapeutic targets.

Purpose of the Study:

  • To review the clinical experience with FGFR inhibitors in cancer treatment.
  • To identify key factors for improving response rates and overcoming resistance to FGFR inhibitors.
  • To explore strategies for optimizing the use of FGFR inhibitors in clinical practice.

Main Methods:

  • Review of clinical trial data and scientific literature on FGFR inhibitors.
  • Analysis of patient populations with and without FGFR alterations.
  • Evaluation of resistance mechanisms and combination therapy approaches.

Main Results:

  • FGFR inhibitors have shown clinical benefits in subsets of patients with solid tumors harboring FGFR alterations.
  • Response rates with FGFR inhibitors have been relatively low, with observed responses in patients lacking detectable FGFR alterations.
  • Acquired resistance and limited efficacy highlight the need for refined treatment strategies.

Conclusions:

  • Improved patient selection is critical to maximize benefit from FGFR inhibitors.
  • Combination regimens involving FGFR inhibitors may enhance efficacy and overcome resistance.
  • Further research is needed to fully elucidate the potential of FGFR-targeted therapies.

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