The potential of cytokines in cancer immunotherapy is now attracting a lot of attention with many in industry assessing whether they need a cytokine in their pipeline and if so which one may make the optimal combination partner.

We’ve been writing about cytokines for several years now and have been following several cytokine molecules, including Nektar’s novel pegylated IL–2 (NKTR–214) approach and Armo’s pegylated IL–10 (AM0010). Other technologies in early development include an IL–8 agonist from BMS and an IL–15 superagonist fusion protein from Altor Bioesciences.

#ASCO18 Blisterwalk to Developmental Therapeutic sessions

What does the future hold for cytokines – are they really the “best thing since sliced bread,” as we say in England or will they fizzle out and not prove to induce additive effects over and above monotherapy with checkpoint blockade?

For a view of where the field is at and where it might be going, while in Chicago we spoke with Dr Mario Sznol, who is a medical oncologist at Yale Cancer Center in New Haven, where he treats melanoma and kidney cancer patients.

He’s one of the leading translational researchers in cytokine drug development and is also the in-coming president of the Society for Immunotherapy of Cancer (SITC).

Readers of Biotech Strategy will recall that we last spoke with Dr Sznol at the 2015 SITC annual meeting where he talked about his renewed interest in cytokines, and in particular, interleukin–2 (IL–2) (See post: Novel immunotherapies and combinations). Since then, much has happened and there are now even more targets being investigated, as well as a wider cadre of researchers actively involved in this field.

Being president of a medical or scientific association takes up a lot of time, so it was a privilege to talk with Dr Sznol again, before he takes up his new honorary position in 2019.

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