Future applications of FGF/FGFR inhibitors in cancer
Gaia Cristina Ghedini1, Roberto Ronca1, Marco Presta1
1a Department of Molecular and Translational Medicine , University of Brescia , Brescia , Italy.
Introduction:
Deregulation of the fibroblast growth factor (FGF)/FGF receptor (FGFR) network occurs frequently in tumors due to gene amplification, activating mutations, and oncogenic fusions. Thus, the development of FGF/FGFR-targeting therapies is the focus of several basic, preclinical, and clinical studies. Areas covered: This review will recapitulate the status of current FGF/FGFR-targeted drugs. Expert commentary: Non-selective FGF/FGFR inhibitors have been approved for cancer treatment but evidence highlights various complications affecting their use in the clinical practice. It appears mandatory to identify FGF/FGFR alterations and appropriate biomarkers that may predict and monitor response to treatment, to establish the contribution of the FGF/FGFR system to the onset of mechanisms of drug resistance, and to develop effective combinations of FGF/FGFR inhibitors with other targeted therapies.
Insights
Fibroblast growth factor (FGF)/FGF receptor (FGFR) inhibitors show promise for cancer treatment but face clinical challenges. Identifying biomarkers and developing combination therapies are crucial for effective use of these targeted drugs.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Deregulation of the fibroblast growth factor (FGF)/FGF receptor (FGFR) signaling pathway is common in various cancers.
- This deregulation occurs through mechanisms like gene amplification, mutations, and fusions, driving tumor development.
- Targeting the FGF/FGFR network is a key strategy in cancer therapy development.
Purpose of the Study:
- To review the current landscape of FGF/FGFR-targeted drugs in cancer treatment.
- To discuss the clinical challenges associated with non-selective FGF/FGFR inhibitors.
- To highlight the need for improved therapeutic strategies, including biomarker identification and combination therapies.
Main Methods:
- Literature review of basic, preclinical, and clinical studies on FGF/FGFR-targeted therapies.
- Analysis of approved non-selective FGF/FGFR inhibitors and their clinical outcomes.
- Discussion of mechanisms of drug resistance and potential combination strategies.
Main Results:
- Non-selective FGF/FGFR inhibitors have gained approval for cancer treatment.
- Clinical use of these inhibitors is associated with significant complications.
- The review identifies limitations in current therapeutic approaches.
Conclusions:
- Accurate identification of FGF/FGFR alterations and predictive biomarkers is essential.
- Understanding the FGF/FGFR system's role in drug resistance is critical.
- Developing effective combination therapies involving FGF/FGFR inhibitors is a necessary next step for improving patient outcomes.
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