학술논문

Response rates and adverse effects of continuous once-daily sunitinib in patients with advanced renal cell carcinoma: a single-center study in Turkey.
Document Type
Academic Journal
Author
Yildiz I; Division of Medical Oncology, Specialist in Internal Medicine, Institute of Oncology, Istanbul University, Istanbul, Turkey. dr_ibrahim2000@yahoo.com; Sen FBasaran MEkenel MAgaoglu FDarendeliler ETunc HMOzcan FBavbek S
Source
Publisher: Oxford University Press Country of Publication: England NLM ID: 0313225 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1465-3621 (Electronic) Linking ISSN: 03682811 NLM ISO Abbreviation: Jpn J Clin Oncol Subsets: MEDLINE
Subject
Language
English
Abstract
Objective: Therapy targeted against the vascular endothelial growth factor pathway is a standard of care for patients with metastatic renal cell carcinoma. This study assessed the response rates and toxicity profiles of sunitinib on a continuous once-daily dosing regimen in Turkish patients with metastatic renal cell carcinoma.
Methods: Between April 2006 and August 2010, 74 patients with metastatic renal cell carcinoma who received sunitinib on a continuous, once-daily dosing regimen were included. Sunitinib was administered daily at a dose of either 37.5 mg (94% of the patients) or 25 mg (6% of the patients), without interruption, either as a second-line treatment after interferon-α or as a first-line treatment. Response, toxicity, progression-free survival and overall survival were evaluated.
Results: Of the 74 patients, 65 (88%) were diagnosed with clear cell renal cell carcinoma. The median treatment duration was 10 months (range, 2-42 months). The most common treatment-related adverse events were fatigue (75%), stomatitis (51%) and hypertension (50%). The most common Grade 3 or 4 adverse events were anemia (10%) and hand-foot syndrome (7%). Dose reductions were required in 50% of the patients, and early treatment discontinuation was necessary in 16% of the patients. Cardiovascular events were the most common adverse events that resulted in drug discontinuation. The objective response rate and the disease control rate were 30 and 78%, respectively. The median progression-free survival and overall survival were 13 and 25 months, respectively.
Conclusions: Continuous, once-daily administration of sunitinib was generally well tolerated in Turkish patients with advanced renal cell carcinoma in a daily practice setting. This study's response rates were comparable to those in previous randomized trials.