Phase II Exploratory Trial to Evaluate the Efficacy and Safety of NOV120101 (Poziotinib) in Lung Adenocarcinoma Patients With Acquired Resistance to 1st Generation EGFR Tyrosine Kinase Inhibitors
The purpose of this open-label, single-arm, multi-center phase II trial is to evaluate the efficacy and safety of novel pan-HER inhibitor, NOV120101 (Poziotinib), as a 2nd line monotherapy agent in lung adenocarcinoma patients with acquired resistance to prior EGFR tyrosine kinase inhibitors (TKIs).
• Male or female patients aged 20 years or older
• Pathologically confirmed stage IIIB (unresectable) or IV lung adenocarinoma
• Patients who have 1 or more than 1 measurable or evaluable but unmeasurable lesions according to RECIST ver1.1
• Patients who received prior 1st generation EGFR TKIs (gefitinib or erlotinib) monotherapy and meet the following criteria:
• Patients with EGFR mutation (e.g., G719X, exon 19 deletion, L858R, L861Q, etc) known to be associated with sensitivity to TKIs
• Patients who showed objective clinical benefit from treatment with an EGFR TKI as defined by either:
• Patients who showed complete (CR) or partial response (PR), or
• Patients who maintained stable disease (SD) status ≥ 6 months
• Patients who showed progressive disease (PD, RECIST ver1.1) while on continuous treatment with gefitinib or erlotinib within the last 30 days (However, patients whose progressive disease is limited in the brain cannot participate in this trial.)
• No intervening systemic chemotherapy between cessation of the EGFR TKI and participation of this study
• Patients who agree to the collection of tumor tissue specimen
• ECOG performance status ≤ 2
• Life expectancy of ≥ 12 weeks
• Adequate hematological, hepatic and renal functions:
• WBC ≥ 4,000/mm3, Platelet ≥ 100,000/mm3, Serum creatinine ≤ 1.5 X ULN, AST and ALT ≤ 2.5 X ULN, Total bilirubin ≤ 1.5 X ULN
• Patients who give written informed consent voluntarily