A predictive biomarker for prostate cancer drug resistance may lead to new drug development opportunities.
At ASCO 2014, one of the prostate cancer highlights was the oral presentation by Emmanuel Antonarakis MB BCh, Assistant Professor of Oncology at Johns Hopkins.
He presented elegant research, albeit in a small group of patients, about how constitutively active splice variants (AR-V’s) may represent one potential mechanism of resistance to androgen receptor (AR) signalling inhibitors such as enzalutamide (Astellas/Medivation) and androgen synthesis inhibitors such as abiraterone (JNJ).
I spoke to Dr Charles Ryan, Professor of Medicine and Urology at the University of California San Francisco (UCSF) about the significance of the data to clinical practice, and the new drug development opportunities that may follow-on from it.
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Sometimes you get lucky before a conference and catch an interview with a thought leader ahead of time when it’s more relaxed and less fraught with all the demands of meetings etc while there.
Dr R Young, Source: WI
That good fortune happened to me on the Friday before the recent AACR conference in San Diego, when I recorded an interview with Dr Richard Young, (Whitehead Institute & MIT and scientific co-founder of Syros), who was giving a plenary talk on the Sunday at AACR entitled, “Transcriptional and Epigenetic Control of Tumor Cells.”
Epigenetics and transcriptional changes are fascinating concepts to me because they get right to the heart of what’s going on deep in the oncogenes and how they control processes in cancer. Clearly, in simplistic terms, if we can understand how things change and evolve, then we can potentially devise better strategies to overcome them. Instead of targeting a protein kinase with a small molecule or a cell surface antigen with a monocloncal antibody, this is an altogether different approach. Protein-protein interactions such as MYC, RUNX1, p53/TP53 etc have long been the bugbear and frustration of many good researchers, precisely because they are challenging to target with conventional approaches.
So what’s new and why am I really excited about these new developments?
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