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Updated: Jan 28, 2026

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors
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Angiopoietin-1 and Angiopoietin-2 Inhibitors: Clinical Development

Jessica Gillen1, Debra Richardson1, Kathleen Moore2

  • 1The University of Oklahoma Stephenson Cancer Center, 800 NE 10th Street, Oklahoma City, OK, 73104, USA.

Current Oncology Reports
|February 27, 2019
PubMed
Abstract

Insights

Tie2-angiopoietin inhibition shows promise in reducing tumor growth and metastasis in preclinical studies. Clinical trial results are mixed, warranting further investigation for optimal use in cancer therapy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • The Tie2-angiopoietin system is crucial for vascular development and homeostasis.
  • Dysregulation of this pathway contributes to tumor angiogenesis, growth, and metastasis.
  • Targeting Tie2 offers a potential therapeutic strategy for various cancers.

Purpose of the Study:

  • To review the current understanding of the Tie2-angiopoietin system in cancer.
  • To discuss preclinical and clinical data on Tie2-angiopoietin inhibition therapies.
  • To evaluate the efficacy and future potential of Tie2 inhibitors in oncology.

Main Methods:

  • Comprehensive literature review of preclinical models and clinical trials.
  • Analysis of data from studies evaluating Tie2-angiopoietin inhibitors.
  • Focus on tumor growth, metastasis, and therapeutic responses.

Main Results:

  • Tie2 inhibition demonstrated significant efficacy in preclinical cancer models, reducing tumor burden and metastasis.
  • Clinical trials with inhibitors like trebananib, rebastanib, and MEDI3617 have yielded mixed results.
  • Ongoing investigations explore Tie2-angiopoietin inhibitors in recurrent or metastatic breast and renal cell carcinomas.

Conclusions:

  • The Tie2-angiopoietin pathway remains a promising target for cancer therapy.
  • Further clinical evaluation is necessary to determine the optimal utility of Tie2 inhibitors.
  • Understanding the nuances of Tie2 inhibition in human trials is critical for advancing cancer treatment.
Keywords:
AngiogenesisAngiopoietin inhibitionAnti-angiogenic therapyTie2 inhibition

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