A Phase III, Randomized, Double-Blinded, Multi-Center, Study to Assess the Efficacy of Docetaxel (TAXOTERE™) in Combination With ZD6474 (ZACTIMA™) Versus Docetaxel (TAXOTERE™) With Placebo in Subjects With Locally Advanced or Metastatic NSCLC

This large phase III clinical study is studying the effect of vandetanib (ZACTIMA) in treating non-small cell lung cancer (NSCLC). Vandetanib is a new type of agent that targets the blood supply to a cancer tumour (through it's anti-vascular endothelial growth factor receptor (VEGFR) properties) and the tumour cells themselves (through it's anti-endothelial growth factor receptor (EGFR) actions). This study will look at the effects of vandetanib in lung cancer patients who have had their cancer re-appear after treatment with standard chemotherapy. This clinical study will test if the vandetanib anti-VEGF and anti-EGFR characteristics can deliver longer improved progression free survival and improved overall survival than docetaxel (Taxotere) alone. All patients participating this clinical study will receive treatment with docetaxel, a commonly used treatment for recurrent non-small cell lung cancer. In addition, some patients will also receive vandetanib (ZACTIMA), an anti-EGFR / anti-VEGF agent. Recent clinical research shows that vascular endothelial growth factor receptor (VEGFR) inhibition, when used with standard chemotherapy, can lead to increased survival in advanced non-small cell lung cancer (NSCLC) patients. Other research shows that epidermal growth factor receptor (EGFR) inhibitors, like erlotinib (Tarceva) can also increase overall non-small cell lung cancer survival by killing tumour cells and stopping them from dividing.