• Tomohiro Funakoshi, Asma Latif, and Matthew D Galsky.
• Department of Medicine, Beth Israel Medical Center, University Hospital and Manhattan Campus for the Albert Einstein College of Medicine, New York, United States. Electronic address: tfunakoshi@chpnet.org.
• Cancer Treat. Rev. 2014 Jun 1; 40 (5): 636-47.

BackgroundThe approach of combining cytotoxic chemotherapy with oral small molecule tyrosine kinase inhibitors (TKIs) has been explored in a large number of randomized trials, in a variety of tumor. We performed a systematic review and meta-analysis to evaluate the safety and efficacy of this therapeutic approach.Patients And MethodsPubMed and the ASCO databases were searched up to March 2013. We included randomized trials in which the FDA approved vascular endothelial growth factor receptor (VEGFR) or epidermal growth factor receptor-family (EGFR)-targeted TKI in combination with chemotherapy was compared with chemotherapy alone in patients with any type of solid cancer. The endpoints included safety [fatal adverse events (FAEs), treatment discontinuation, any severe (grade 3 or 4) adverse events (AEs), and individual severe AEs] and efficacy [progression-free survival (PFS), and overall survival (OS)]. The pooled relative risk (RR) or hazard ratio (HR) were calculated.ResultsA total of 16,011 patients from 43 trials were included. Compared with chemotherapy alone, the addition of a TKI significantly increased the risk of FAEs (RR, 1.63; 95% CI, 1.32-2.01), treatment discontinuation (RR, 1.80; 95% CI, 1.58-2.06), and any severe AE (RR, 1.25; 95% CI, 1.16-1.36). The addition of a TKI was associated with a significant improvement in PFS (HR, 0.82; 95% CI, 0.76-0.89), but not OS (HR, 0.99; 95% CI, 0.95-1.03).ConclusionsIt is important for physicians to weigh the risk of toxicity versus the modest PFS benefit associated with chemotherapy plus TKI in patients with solid cancers.Copyright © 2014 Elsevier Ltd. All rights reserved.

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