osimertinib
astrazeneca
[]
 i don't mean to say pts didn't get osi at relapse; my understanding is that it was added to protocol, but this sometimes (often?) is so cumbersome that pts end up not crossing over as intended. if crossover for relapse on ctrl arm is &lt;70%, imo the systems in place have failed.
Med Onc,@CityofHope; VP Netwk Strategy AccessHope, Founder,@CancerGRACE; Web Ed,@JAMAOnc; Author/Ed, @UptoDate

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