3. Treatment w/ any of the following: an EGFR TKI (eg, erlotinib, gefitinib or afatinib) within 8 days or approx. 5 x half-life, whichever is the longer, of the first dose of study treatment; Any cytotoxic chemotherapy, investigational agents or other anticancer drugs from a previous treatment regimen or clinical study within 14 days of the first dose of study treatment; Major surgery (excluding placement of vascular access) w/in 4 weeks of the 1st dose of study treatment; Radiotherapy with a limited field of radiation for palliation w/in 1 week of the first dose of study treatment, with the exception of patients receiving radiation to more than 30% of bone marrow or with a wide field of radiation which must be completed w/in 4 weeks of the 1st dose of study treatment; Patients currently receiving (or unable to stop use prior to receiving the first dose of study treatment) medications or herbal supplements known to be potent inhibitors of CYP3A4 (at least 1 week prior) and potent inducers of CYP3A4 (at least 3 week prior). All patients must avoid concomitant use of any medications, herbal supplements and/or ingestion of foods with known inducer/inhibitory effects on CYP3A4.