Efficacy and safety of first-line sunitinib in Chinese patients with metastatic renal cell carcinoma
2018
AIM: We report the first prospective study of sunitinib for metastatic renal cell carcinoma (mRCC) in China. METHODS: Chinese mRCC patients received first-line sunitinib 50 mg daily (4/2 regimen). Overall survival (OS), progression-free survival (PFS), objective response rate and safety were assessed. Potential efficacy biomarkers were explored in post hoc analyses. RESULTS: Median PFS was 61.7 weeks; median OS was 133.4 weeks; objective response rate was 31.1%. Most frequent adverse events (AEs) were: hand-foot syndrome (63.8%), decreased white blood cell count (52.4%), fatigue (51.4%) and decreased platelet count (51.4%). AEs were identified that predicted longer PFS and OS. CONCLUSION: Sunitinib showed efficacy and manageable AE profile in treatment-naive Chinese mRCC patients. Larger prospective studies are required to confirm identified AEs as predictors of efficacy.
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