A phase II study of cediranib (AZD 2171) in treatment naive patients with progressive unresectable recurrent or metastatic renal cell carcinoma. A trial of the PMH phase 2 consortium Academic Article uri icon

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abstract

  • BACKGROUND: Inhibition of angiogenesis has emerged as an effective therapeutic strategy in metastatic renal cell cancer (mRCC). In this single arm phase 2 study, we evaluated the efficacy and tolerability of cediranib (AZD2171) a potent angiogenesis inhibitor in first line mRCC. METHODS: Eligible patients who had no prior systemic therapy received cediranib 45 mg orally once daily continuously. The primary endpoint was objective response rate (ORR). Secondary endpoints were clinical benefit rate (ORR plus stable disease (SD) ≥ 4 months), duration of response, progression free survival (PFS), median overall survival (OS), safety and tolerability. RESULTS: Between January 2006 and April 2008, 44 patients were accrued. The median age was 62 (range 44-83) and performance status was either 0 (22 patients) or 1 (22 patients). Of the 39 evaluable patients there were 15 (38 %) partial responses (95 % CI: 23-55 %); 18 stable disease (SD) for a clinical benefit rate of 33/39 = 85 % (95 % CI: 69-94 %) and 6 progressive disease. Median PFS was 8.9 months (95 % CI: 5.1-12.9); and median OS was 28.6 months (95 % CI: 18.2-37.3 months). The most frequent grade 3 or higher AEs included hypertension, fatigue, hand-foot syndrome and diarrhea. CONCLUSIONS: Cediranib demonstrated significant anti-tumour activity in first line, treatment-naive mRCC, with efficacy parameters comparable to the other approved agents (sunitinib and pazopanib) in this setting. The main toxicities were fatigue, diarrhea and hypertension. Based on these encouraging results, further evaluation of cediranib in mRCC at a more tolerable dose of 30 mg daily appears warranted.

authors

  • Sridhar, Srikala S
  • Mackenzie, Mary J
  • Hotte, Sebastien
  • Mukherjee, Som D
  • Tannock, Ian F
  • Murray, Nevin
  • Kollmannsberger, Christian
  • Haider, Masoom A
  • Chen, Eric X
  • Halford, Robert
  • Wang, Lisa
  • Ivy, S Percy
  • Moore, Malcolm J

publication date

  • August 2013

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