A Phase I Open-label, Multi-dose, Dose Escalation and Dose Expansion Study of the Oral EGFR Inhibitor PLB1004 in Non-Small Cell Lung Cancer

Inclusion Criteria: 1. Ability to understand and willingness to sign a written informed consent document; 2. Male or female adult patients 18 years of age or older; 3. Patients should have recovered from toxicities related to prior anti-tumor therapy; 4. Patients should have recovered from the effects of major surgery; 5. Have a documented EGFR mutation by a local test in tissue or plasma; 6. At least 12 weeks life expectancy; 7. Must have at least one measurable lesion per RECIST v 1.1; 8. Sexually active males and females of childbearing potential must agree to take effective contraceptive measures. Exclusion Criteria: 1. Received radiotherapy within 14 days before enrollment; 2. Have significant or uncontrolled systemic disease; 3. Have significant or uncontrolled cardiovascular disease; 4. Have had other diagnosed malignant diseases that required treatment within the past 3 years besides NSCLC; 5. Currently have or had a history of interstitial lung disease, drug-induced interstitial lung disease, or radiation pneumonia that requires steroid therapy; 6. Have known hypersensitivity to the similar drugs and excipients of PLB1004; 7. Pregnant or lactating women; 8. Have used other experimental drugs within 2 weeks prior to the first dose of PLB1004; 9. Have any condition or illness that could affect the compliance with the protocol.