CS-7017 in Combination With Erlotinib in Subjects With Stage IIIb/IV Non-small Cell Lung Cancer (NSCLC)

Inclusion Criteria: * Histologically or cytologically confirmed unresectable locally advanced or metastatic (stage IIIb or IV) Non-small Cell Lung Cancer (NSCLC) * Recurrent disease (either no response to treatment or subsequent relapse after an objective response) that has progressed after first-line platinum based therapy * Male or female ≥ 18 years of age * Anticipation of more than 3 months survival * Eastern Cooperative Oncology Group Performance Status (ECOG PS) ≤ 1 * Adequate organ and bone marrow function Exclusion Criteria: * Prior Tyrosine Kinase Inhibitor (TKI) therapy * Anticipation of need for a major surgical procedure or radiation therapy during the study * Remaining influence of previous therapies such as radiotherapy, surgery, immunotherapy within 4 weeks prior to start of study treatment * Treatment with anticancer medication within 4 weeks before study treatment, currently enrolled in another investigational drug study, or enrolled in another investigational drug study within 4 weeks of start of treatment * History of any of the following events within 6 months prior to start of study treatment: myocardial infarction, severe/unstable angina pectoris, coronary/peripheral artery bypass graft, New York Heart Association (NYHA) class ≥I Congestive Heart Failure (CHF), cerebrovascular accident or cerebral infarction, pulmonary embolism, deep vein thrombosis, or other clinically significant thromboembolic event; clinically significant pulmonary disease (eg, severe Chronic-Obstructive Pulmonary Disease (COPD) or asthma) * Severe edema, ascites fluid, pericardial or pleural effusion or pericardial involvement with the tumor within 6 months prior to start of study treatment, or which require steroid therapy/ diuretic therapy * Subjects with brain metastasis (defined as untreated, symptomatic or requiring steroids or anticonvulsant medications to control associated symptoms) * Subjects with clinically significant active infection which requires antibiotic therapy, or who are hepatitis B surface antigen (HBsAg)-, hepatitis C virus (HCV)- or human immunodeficiency virus (HIV)-positive or receiving antiretroviral therapy * Subjects with malabsorption syndrome, chronic diarrhea (lasting over 4 weeks), inflammatory bowel disease, or partial bowel obstruction * Diabetes mellitus requiring insulin, or a history of poor serum glucose control with the use of non-insulin diabetes medications * Treatment with Thiazolidinedione(TZDs) within 4 weeks prior to start of study treatment * History of a second malignancy, with the exception of in situ cervical cancer or adequately treated basal cell or squamous cell carcinoma of the skin * Poorly-controlled blood pressure as judged by the Investigator