A Study of the Oral EGFR Inhibitor PLB1004 in Non-Small Cell Lung Cancer

Open to people ages 18 years and up

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;

   1. Inclusion criteria specific for Dose Escalation:

      Patients with a documented EGFR classical mutation or EGFR Ex20ins mutation, alone or in combination with other EGFR mutations;

   2. Inclusion criteria specific for Dose Expansion:

   Patients with a documented EGFR Ex20ins mutations (alone or in combination with other EGFR mutations);

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.

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.