To determine the efficacy of preemptive local ablative therapy in NSCLC patients with activating EGFR mutation who have oligometastatic residual metabolic-active disease after first-line EGFR TKI, as measured by PFS rate at 1 year from the trial enrollment.
Name: preemptive local ablative therapy
Type: Radiationpreemptive local ablative therapy
Name: Oral TKI
Type: Drugpreemptive local ablative therapy
Single Group Assignment
There is one SNP
Inclusion Criteria: 1. Pathologically confirmed UICC 7th edition Stage IIIB (not amenable for curative intent local radiotherapy)/IV (metastatic or recurrent) non-small cell carcinoma of lung 2. Documented activating EGFR mutation (exon 19 deletion or exon 21 L858R only) in tumor tissues 3. Treated with first-line EGFR TKI for 3 months and achieved good radiological partial response that was documented with a CT scan 4. --- L858R ---
Non-compliance to the study procedure Inclusion Criteria: 1. Pathologically confirmed UICC 7th edition Stage IIIB (not amenable for curative intent local radiotherapy)/IV (metastatic or recurrent) non-small cell carcinoma of lung 2. Documented activating EGFR mutation (exon 19 deletion or exon 21 L858R only) in tumor tissues 3. Treated with first-line EGFR TKI for 3 months and achieved good radiological partial response that was documented with a CT scan 4. --- L858R ---