APHINITY!

It worked!

Which is all we know right now, with actual numbers to come later in 2017 (ASCO?), but this morning Roche announced that APHINITY met its primary endpoint of significant improvement in disease-free survival in patients treated with Herceptin, Perjeta and docetaxel in the adjuvant setting.

I can’t wait to see the numbers, but it almost doesn’t matter: Herceptin going off-patent is no longer an issue, and Roche has secured its ownership of the HER2+ patient from date of diagnosis until, well, forever. I’ll be interested to see if Perjeta becomes a co-backbone of HER2+ treatment alongside Herceptin, in the sense that you never really stop Herceptin, regardless of how many times the patient progresses on it; we tend not to even do a lot of biopsies to confirm that HER2 status hasn’t reversed, despite the fact that a flip from HER+ to HER2- does happen in the recurrent and metastatic settings. It’s too soon to consider whether Perjeta will still be the first-line HER2 treatment of choice in recurrent or metastatic disease if the patient has been previously treated with Perjeta, but assessing durability of benefit through multiple courses of treatment is one of the many possible next steps for this agent.

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