Axitinib for renal cell carcinoma

Guru Sonpavde1, Thomas E Hutson, Brian I Rini

  • 1Genitourinary Oncology Program, Texas Oncology PA, Houston, TX 77598, USA.

Abstract

Insights

Axitinib is a new oral tyrosine kinase inhibitor showing promise for renal cell carcinoma (RCC) treatment. Clinical trials indicate favorable activity and toxicity profiles in patients previously treated for RCC.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • Renal cell carcinoma (RCC) management has been transformed by targeted therapies like sunitinib, sorafenib, and temsirolimus.
  • Bevacizumab plus interferon (IFN) is another therapeutic option for RCC.
  • Axitinib (AG-013736) represents a novel oral, selective tyrosine kinase inhibitor.

Purpose of the Study:

  • To review preclinical and clinical data supporting axitinib's development for renal cell carcinoma.
  • To evaluate the efficacy and safety of axitinib in RCC treatment.

Main Methods:

  • Preclinical studies assessing axitinib's inhibitory profile.
  • Phase II clinical trials in patients with pretreated RCC.

Main Results:

  • Axitinib potently inhibits vascular endothelial growth factor receptors (VEGFR-1, -2, -3) and platelet-derived growth factor receptors (PDGFR-alpha, -beta), as well as c-kit.
  • Phase II trials demonstrated promising anti-cancer activity in RCC patients previously treated with sorafenib or cytokines.
  • Axitinib exhibited a favorable toxicity profile in clinical studies.

Conclusions:

  • Axitinib demonstrates significant preclinical potency and promising clinical activity in advanced renal cell carcinoma.
  • The favorable safety profile supports further investigation and development of axitinib for RCC treatment.

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