One of the frequently cited conceptual frameworks in Cancer Immunotherapy is the Cancer Immunity Cycle developed by Drs Dan Chen and Ira Mellman from Genentech.

Ira Mellman Dan Chen Authors of Cancer Immunity Cycle

Ira Mellman and Dan Chen

As we heard Dan and Ira tell us on the Novel Targets Podcast recorded last year at #AACR16, the cancer immunity cycle doesn’t include all the elements that we now know impact the immune system and whether someone will have an immune response. The microbiome is one example that readily comes to mind.

To address this, Chen and Mellman have now published the next installment in the series in Nature:

“Elements of Cancer Immunity and the cancer-immune setpoint.”

The review paper published last month incorporates the latest research into a different framework that looks at the factors that influence what they call the ‘cancer-immune setpoint.’

Anyone involved with cancer immunotherapy knows how fast moving and dynamic the field is, something they draw attention to:

“The pace of cancer immunotherapy clinical studies is such that they have outstripped our progress in understanding the underlying science. However, this situation has created the opportunity to combine emerging scientific and clinical insights in a synergistic fashion that… will also provide guidance for the identification of new targets… and the crafting of a framework for making decisions on a personalized basis.”

Conceptual frameworks such as those proposed by Chen and Mellman will be of increasing importance as we try to make sense of the tsunami of cancer immunotherapy clinical trial data, including combinations, that is coming our way over the next 18 months.

During my recent visit to San Francisco for ASCO GI, I had the great pleasure to catch up with Daniel S. Chen, MD PhD, (Global Head of Cancer Immunotherapy Development, Genentech/Roche) and talk about his latest thoughts on how we should think about cancer immunotherapy.

In writing these review papers he told me:

“We look at this as an opportunity to really think about the field, and try to conceptualize what is happening.”

We also discussed their collaboration with Kite Pharma, something of relevance to conferences this week as we head off to BMT Tandem and the ASCO-SITC meeting.

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