Safety and efficacy of sorafenib therapy in patients with metastatic kidney cancer with impaired renal function

Venkata Parsa, Lance Heilbrun, Daryn Smith, Aastha Sethi, Ulka Vaishampayan

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Sorafenib is an oral Raf kinase inhibitor, approved for the treatment of advanced renal cancer. Clinical investigation of the safety and feasibility of sorafenib therapy in patients with impaired renal function was performed in this study. Materials and Methods: The protocol was approved by the Human Investigation Committee of Wayne State University. Medical records of patients with metastatic renal cancer at Wayne State University started on sorafenib between November 2005 to January 2007 were reviewed. Patients with a calculated creatinine clearance (CrCl) of 60 mL/min or less (chronic kidney disease stage 3 or greater per Kidney Disease Outcomes Quality Initiative guidelines) were deemed to have renal insufficiency. Results: A total of 32 patients who met the selection criteria were analyzed. Fourteen of 32 (44%) patients had renal insufficiency (range, 32-60 mL/min). Median age was 71 years in patients with CrCl < 60 mL/min and 54 years in those with > 60 mL/min. Incidence of diarrhea (57% vs. 33%) and hand-foot syndrome (86% vs. 56%) were higher in the renal-dysfunction group. Dose interruptions and dose reductions were noted in 57% and 43% of patients with renal dysfunction versus 28% and 22% in those without. No significant differences were noted in response rate, progression-free survival or overall survival. Conclusion: Renal insufficiency is frequently observed in patients with advanced renal cancer. Sorafenib therapy can be safely delivered in patients with mild and moderate renal dysfunction, and efficacy appears to be maintained.

Original languageEnglish (US)
Pages (from-to)E10-E15
JournalClinical Genitourinary Cancer
Volume7
Issue number2
DOIs
StatePublished - 2009

Keywords

  • Hand-foot syndrome
  • Hypertension
  • Renal dysfunction

ASJC Scopus subject areas

  • Oncology
  • Urology

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