How would you treat a patient with metastatic NSCLC >50% PDL-1 positive AND an EGFR or ALK gene mutation/rearrangement in the first-line setting?
1st-line pembrolizumab is supposed to be used AFTER failure of appropriate targeted agents in this setting, but would you consider the reverse sequence in some patients?
2 Answers
Mednet MemberInvited Expert
Medical Oncology · Wexner Medical Center at The Ohio State University
Answered on
There have been multiple reports showing a positive association between EGFR activation (through mutational activation and/or signaling) and PDL1 expression (e.g. J Thorac Oncol 2015 Jun;10(6):910-23). Similarly, there are some reports of a similar association with ALK translocation (e.g. Clin Cance...
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Medical Oncology · Roswell Park Comprehensive Cancer Center
Answered on
We now have data from IMpower150 which included a subgroup of patients with EGFR/ALK genetic alterations who had progression after 1st/2nd line EGFR TKI (Reck et al, Lancet Respir Med 2019). This study was the first immune checkpoint inhibitor study to report improved overall survival signal with th...
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