Radiation to Address Cells with Resistance to Targeted Therapies

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Introduction

Thank you to member Craig for asking some excellent questions in response to my Highlights of 2011 webinar.  Thank you also to Dr. West, who emailed me to comment more on the idea of radiation for cells with acquired resistance.

We’ve spoken at length about EGFR and related mutations such as EML4/ALK and ROS1 on GRACE.  For those who are not familiar with these subjects, I will refer you to my webinar for a summary on the most recent data on EGFR, EML4/ALK and ROS1:

DC: A Patient with EGFR Mutation, Leptomeningeal Disease, and Good Treatment Results with Pulse-Dose Tarceva

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I met DC in April. He was 62 years old and was principal of a Montessori school. He had smoked a half pack a day for three years in college (which makes him a former/light smoker in my book) and was in fairly good health until the December before when he developed a cough. His cough didn't get better and thanks to all the talk about lung cancer screening, he requested a chest x-ray. The x-ray revealed a mass, which led to CT scanning.

Quick Update from ASCO

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I apologize if it seems that the updates about ASCO have been slow in coming. This is mostly because the lung cancer program this year has most of the higher profile presentations occurring in the second half of the meeting, which we're just getting into. And, truth be told, this isn't going to be a blockbuster year for developments in lung cancer. But let's review what we've found out about thus far.

Interview with Dr. Tony Mok, Part 2

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Continued from part 1 Dr. West: You have a huge portion of your patients who have an EGFR mutation and we know that over time patients develop acquired resistance. So how do you approach the patients who have a great response initially, have a known EGFR mutation, and then you see that slipping away at slow progression? Do you continue the EGFR inhibitor? Do you add something to it? Do you change the dose? How do you approach that?

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