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Do we have any data on sequencing of up front therapies for patients with high PD-L1 and targeted mutations?

First line pembrolizumab is only approved after progression on TKI - but would you ever offer chemo-immunotherapy prior to target therapy?
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How do you treat metastatic NSCLC with both high PD-L1 and a targeted mutation in the first line setting?

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3 Answers
Mednet Member
Mednet MemberInvited Expert
Medical Oncology · University of Colorado Cancer Center
Answered on

Patients with EGFR and BRAF mutations or ALK and ROS1 fusions should receive 1st line approved TKI therapy and second line approved TKI therapy for EGFR and ALK. Checkpoint inhibitors should be used only after TKIs even if PD-L1 expression is high. For patients with PD-L1 expression >50%, it is not ...

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Mednet Member
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Medical Oncology · Henry Ford Cancer Institute/Henry Ford Hospital
Answered on

@Dr. First Last makes a very important point. I have seen at least 2 cases where patients were started on pembrolizumab because the tumor PD-L1 was high and then subsequently tumor was found to be EGFR mutation positive.

As far as sequence of therapy, yes Osimertinib followed by chemotherapy (plati...

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Mednet Member
Mednet MemberInvited Expert
Medical Oncology · Henry Ford Cancer Institute/Henry Ford Hospital
Answered on

One clarification on my previous comment- In IMPOWER150 patients with EGFR and ALK NSCLCs were only enrolled after treatment with TKIs.

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