Abstract:
BACKGROUND:Sunitinib and sorafenib are small-molecule tyrosine kinase inhibitors (TKI) with antitumor activity in advanced renal cell carcinoma. A retrospective study was conducted to assess the response of renal cell carcinoma to sequential treatment with these two agents. METHODS:Tumor response was evaluated by using Response Evaluation Criteria In Solid Tumors (RECIST) criteria in patients failing first-line therapy with either sunitinib or sorafenib and subsequently receiving second-line therapy with the other TKI agent. RESULTS:Twenty-nine patients received sorafenib followed by sunitinib (Group A), and 20 patients received sunitinib followed by sorafenib (Group B). TKI drugs were terminated in 6 (12%) patients in Group A and 4 (8%) in Group B because of toxicity. Median duration of stable disease for Groups A and B was 20 and 9.5 weeks, respectively. Median time from starting first TKI to disease progression after second TKI (time to progression) in Groups A and B was 78 and 37 weeks, respectively. Multivariate analysis revealed that Group B had a shorter time to progression than Group A (risk ratio [RR] 3.0; P=.016). Median overall survival was 102 and 45 weeks in Groups A and B, respectively (P=.061). CONCLUSIONS:The longer duration of disease control in patients who received sorafenib followed by sunitinib warrants further investigation.
journal_name
Cancerjournal_title
Cancerauthors
Dudek AZ,Zolnierek J,Dham A,Lindgren BR,Szczylik Cdoi
10.1002/cncr.24009subject
Has Abstractpub_date
2009-01-01 00:00:00pages
61-7issue
1eissn
0008-543Xissn
1097-0142journal_volume
115pub_type
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