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How do you approach EGFR mutated NSCLC with isolated progression in the chest who is planned for a course of radiation at least 3-4 weeks?

How do you balance the risk of an EGFR flare while holding osimertinib vs the risk of pneumonitis when continuing?
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Do you hold osimertinib during hypofractionated radiation to the lung?

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1 Answer
Mednet Member
Mednet MemberInvited Expert
Medical Oncology · Wexner Medical Center at The Ohio State University
Answered on

This is an interesting question without a clear answer. There are two competing risks associated with either decision. The risk of continuing osimertinib while radiating chest disease is clearly that of pneumonitis with the overlapping risks from radiation and osimeritinib. The risk of holding osime...

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