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Updated: Feb 7, 2026

A Simple Bioassay for the Evaluation of Vascular Endothelial Growth Factors
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Targeting the type 1 insulin-like growth factor receptor as a treatment for cancer

John S P Yuen1, Valentine M Macaulay

  • 1Weatherall Institute of Molecular Medicine, University of Oxford, IGF Group, Molecular Oncology Laboratories, Headley Way, Headington, Oxford OX3 9DS, UK.

Expert Opinion on Therapeutic Targets
|April 16, 2008
PubMed
Abstract

Insights

IGF1R inhibitors show promise in cancer therapy, are well-tolerated, and effective in Ewing's sarcoma. Further research is needed to identify sensitive patient populations and optimal combination strategies for common solid tumors.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • The type 1 insulin-like growth factor receptor (IGF1R) is crucial for cancer cell growth, invasion, and survival.
  • IGF1R is a significant target for novel cancer therapeutics.

Purpose of the Study:

  • To review IGF1R antibodies and kinase inhibitors in development.
  • To discuss factors influencing the clinical success of IGF1R-targeted therapies.

Main Methods:

  • Literature review of published studies.
  • Analysis of meeting abstracts and online resources.

Main Results:

  • IGF1R blockade is generally well-tolerated, with hyperglycemia as a notable side effect.
  • Single-agent activity observed in Ewing's sarcoma, but not yet in common solid tumors.
  • Key challenges include identifying predictive biomarkers and optimal combination therapies.

Conclusions:

  • IGF1R-targeted therapies are promising but require further investigation for broader efficacy.
  • Identifying patient sensitivity and effective combination strategies are critical for clinical success.

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