Biotech Strategy Blog

Commentary on Science, Innovation & New Products with a focus on Oncology & Hematology

About MaverickNY

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Posts by MaverickNY

Emerging new biomarker for predicting checkpoint inhibitor responders

Over the last few years we’ve heard a lot about the evaluation of predictive biomarkers for checkpoint inhibitors, in particular the value of using PD-L1, whether on immune or tumour cells, as a way of separating responders and non-responders to therapy with anti-PD1 or anti-PDL1 blockers. The results to date have been mixed, with some KOLs concluding that smoking history or number of mutations was more useful in lung cancer and others believing that their assay has better utility.

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AACR 2015 Cancer Immunotherapy Preview

One of my favourite meetings of the year in our conference calendar is the American Association for Cancer Research (AACR) annual meeting, which is held in the spring. In years past, the agenda at this event has set the scene for the rest of the year in terms of emerging new trends, particularly with regards to targeted therapies. In the last two years though, this hasn’t been the case, as adjusting to the brave new world of immunotherapies has taken some time.

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How to make non-immunogenic cancers sensitive to checkpoint inhibitors

We have been following the results of the checkpoint inhibitors for several years now, first with ipilimumab (Yervoy) and lately with anti-PD1 and PD-L1 inhibitors such as nivolumab, pembrolizumab and MPDL3280A. Irrespective of the antibody used, the best results we’ve seen have in melanoma, lung and bladder, but some tumour types such as colon and prostate cancers have barely been responsive at all.

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