Comment on

• Gefitinib plus best supportive care in previously treated patients with refractory advanced non-small-cell lung cancer: results from a randomised, placebo-controlled, multicentre study (Iressa Survival Evaluation in Lung Cancer).

  Thatcher N, Chang A, Parikh P, Rodrigues Pereira J, Ciuleanu T, von Pawel J, Thongprasert S, Tan EH, Pemberton K, Archer V, Carroll K. Thatcher N, et al. Lancet. 2005 Oct 29-Nov 4;366(9496):1527-37. doi: 10.1016/S0140-6736(05)67625-8. Lancet. 2005. PMID: 16257339 Clinical Trial.