Non-Small Cell Lung Cancer
Conditions
Keywords
non-small cell lung cancer, EGFR mutant type, first/second line EGFR-TKI
Brief summary
This is a multi-center retrospective study, designing to access the best treatment strategy in non-small cell lung cancer (NSCLC) patients harboring EGFR mutant type after first/second line EGFR-TKI failure. The study end point is Progression Free Survival 2 (PFS2), which is defined as the time period from Progression Disease 1(PD1) to Progression Disease 2(PD2). PD1 is defined as the first tumor progression time from taking EGFR-TKI evaluated by Recist 1.1 criterion, and PD2 as the second tumor progression time after EGFR-TKI failure no matter what second/third line treatment was, PD2 is also evaluated by Recist 1.1 criterion.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients who was confirmed stage IV (according to International Association for the Study of Lung Cancer(IASLC) TNM staging, 2009) non-small cell lung cancer (NSCLC) by histology or cytology between year 2009 to 2013, harboring EGFR mutant type (19 and/or 21 exon mutation). * Appraisable disease, that is there must be at least one lesion with the longest diameter\>10mm according to Recist 1.1 criterion (by contrast CT). * Patients who take EGFR-TKI as first/second line therapy.
Exclusion criteria
* Patients who has taken EGFR-TKI before. * Patients who take EGFR-TKI as third or more line. * Patients who take EGFR-TKI concurrent with chemotherapy or other anti-tumor drug. * The evaluated lesions has treated with radiotherapy before or concurrent with EGFR-TKI. * Patients whose EGFR expression is positive by immunochemical and/or EGFR amplification is positive by Fluorescence In Situ Hybridization(FISH), without mutation detection evidence.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Progression Free Survival 2 (PFS2) | 6 months |
Secondary
| Measure | Time frame |
|---|---|
| overall survival (OS) | 3 year |
Countries
China