One of the obvious learnings from the American Association of Clinical Research (AACR) meeting earlier this week was that we are coming to the end of the low hanging fruit opportunities for checkpoint inhibitors as monotherapies.

Speaking with numerous company people in this space, there was wide consensus on that point. As one clinical lead put it succinctly, “From here on out, it’s going to get way more complicated – had a low grade headache develop after the very first science session I attended – and it’s still there after two days!”

How many of us know that feeling all too well?  AACR always has the heaviest science load of any cancer conference we attend each year. Sure there’s some nice clinical data, but that is like nibbling on the light appetizers before the 20 course banquet. You need much stamina and fortitude to survive the brain fog at AACR. Then there’s the glee at snagging some key poster handouts at the meeting, only to be rapidly diminished when you try to read the 4pt print post hoc and realise your eyes cannot focus easily.

Looking at the long list of topics I want to cover in the in-depth post meeting analysis for a ‘lighter’ post, especially given that it’s Friday after a very long week, that sinking feeling hit home hard – there are no lightweight topics at AACR.

The other day, we posted about the promising data in triple negative breast cancer (TNBC), following on from the Genentech and Merck presentations at the San Antonio Breast Cancer Symposium (SABCS). These data surprised many folks, mostly because they didn’t consider breast cancer to be an immunogenic tumour – nor is lung cancer in the broader scheme of things for that matter – yet we are seeing some nice durable responses in both tumour types with checkpoint inhibitors.

In other words, our definition and perceptions must change as we redefine how we identify and think of possible ‘responsive’ cancers to these agents.

So where are likely heading next?

To learn more about future directions with checkpoint inhibitors, you can sign in or sign up below.

Quick Reminder: Today is the last day for the AACR Special – the discount ends at midnight ET tonight. We may not offer this rate again as it’s a limited time only deal!

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