Abstract:
BACKGROUND:Cediranib is a highly potent inhibitor of vascular endothelial growth factor (VEGF) signalling with activity against all three VEGF receptors. Bevacizumab is an anti-VEGF-A monoclonal antibody with clinical benefit in previously treated metastatic colorectal cancer (mCRC). METHODS:Patients with mCRC who had progressed following first-line therapy were randomised 1:1:1 to modified (m)FOLFOX6 plus cediranib (20 or 30 mg day(-1)) or bevacizumab (10 mg kg(-1) every 2 weeks). The primary objective was to compare progression-free survival (PFS) between treatment arms. RESULTS:A total of 210 patients were included in the intent-to-treat (ITT) analysis (cediranib 20 mg, n=71; cediranib 30 mg, n=73; bevacizumab, n=66). Median PFS in the cediranib 20 mg, cediranib 30 mg and bevacizumab groups was 5.8, 7.2 and 7.8 months, respectively. There were no statistically significant differences between treatment arms for PFS (cediranib 20 mg vs bevacizumab: HR=1.28 (95% CI, 0.85-1.95; P=0.29); cediranib 30 mg vs bevacizumab: HR=1.17 (95% CI, 0.77-1.76; P=0.79)) or overall survival (OS). Grade ≥ 3 adverse events were more common with cediranib 30 mg (91.8%) vs cediranib 20 mg (81.4%) or bevacizumab (84.8%). CONCLUSION:There were no statistically significant differences between treatment arms for PFS or OS. When combined with mFOLFOX6, the 20 mg day(-1) dose of cediranib was better tolerated than the 30 mg day(-1) dose.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Cunningham D,Wong RP,D'Haens G,Douillard JY,Robertson J,Stone AM,Van Cutsem E,HORIZON I study group.doi
10.1038/bjc.2012.545subject
Has Abstractpub_date
2013-02-19 00:00:00pages
493-502issue
3eissn
0007-0920issn
1532-1827pii
bjc2012545journal_volume
108pub_type
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