Sorafenib and sunitinib for elderly patients with renal cell carcinoma

Olfa Derbel Miled1, Christine Dionne, Catherine Terret

  • 1Department of Medical Oncology, Centre Léon-Bérard, Lyon, France.

Abstract

Insights

First-line sunitinib and sorafenib show similar effectiveness in elderly patients with advanced renal cell carcinoma. However, sunitinib is less tolerated, and sequential therapy may improve tolerance.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Sunitinib and sorafenib are small-molecule tyrosine kinase inhibitors with established antitumor activity.
  • Advanced renal cell carcinoma (RCC) is a significant clinical challenge.

Purpose of the Study:

  • To assess the response and tolerance of elderly patients (≥70 years) with advanced renal cell carcinoma to sunitinib and sorafenib.
  • To compare first-line treatment efficacy and sequential treatment outcomes.

Main Methods:

  • Retrospective analysis of 60 elderly patients with advanced RCC treated with sorafenib or sunitinib.
  • Evaluation of objective responses (OR), stable disease (SD), toxicity, overall survival (OS), and progression-free survival (PFS).

Main Results:

  • Similar OR+SD rates for first-line sorafenib (79%) and sunitinib (71%).
  • Median PFS: 6 months (sorafenib) vs. 5 months (sunitinib). Median OS: 16 months (sorafenib) vs. 15 months (sunitinib).
  • Sequential sorafenib then sunitinib showed median PFS of 11.5 months and OS of 13.1 months; reverse sequence had median PFS of 8.1 months and OS of 15 months. Sunitinib required more treatment modifications.

Conclusions:

  • First-line sunitinib and sorafenib demonstrate comparable efficacy in elderly advanced RCC patients.
  • Sunitinib is associated with lower tolerance compared to sorafenib.
  • Sequential treatment with sorafenib followed by sunitinib appears better tolerated and warrants further investigation in prospective studies.

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