Hammer Stock Blog

2011 is shaping up as a transformational year for Synta (SNTA), who is making progress on multiple fronts with its lead agent ganetespib (formerly known as STA-9090). Ganetespib is an Hsp90 inhibitor, a protein with a well recognized role in cancer. The concept of inhibiting Hsp90 to fight cancer goes back two decades, but all attempts have been beset by failures so far. As Synta’s ganetespib appears to be the first active and safe Hsp90 inhibitor, it is poised to make a big dent in the multibillion dollar oncology market. I discussed the history of Hsp90 inhibitors and Synta’s unique positioning in a previous write up.)

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Earlier this week, Incyte (INCY) announced positive phase III results for its lead agent, INCB424, in myelofibrosis (MF). Although the full data set was not published, it will almost certainly lead to FDA approval, opening up a $200-$300 market in the US alone. Another similar phase III trial which will be reported in the coming months should support approval in Europe as well.   

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In the pharmaceutical industry, it is very common to see multiple drugs in development that go after the same target. Usually, there is a direct correlation between the recognition a target has and the number of competing agents. This is the case with “hot targets” such as PI3K,RAF and mTOR, which are pursued by many pharma and biotech companies.

In most cases (especially with targeted therapies), the different compounds are being developed in parallel, and there is no way of identifying a clear winner. This can persist even after approval. For instance, both BMS Pfizer and Novartis (NVS) have an mTOR inhibitor on the market for the treatment of renal cancer. It is clear both drugs are active but each compound was approved based on a different trial in a different patient population, so neither can claim superiority.

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The ESMO meeting is the most important oncology conference in Europe. This year in particular, it included very interesting data that affected the sentiment towards many biotech companies. Here, I intend to focus on what I view as three clear winners from the conference: Seattle Genetics (SGEN), Arqule (ARQL) and Dendreon (DNDN).     

Seattle Genetics

Seattle Genetics is about to conclude the best year in its history, since it was incorporated 13 years ago.  The company’s lead agent, SGN-35 (aka Brentuximab Vedotin), generated astonishing results in two types of blood cancers earlier this year. Based on the results in Hodkin’s Lymphoma, SGN-35’s approval seems inevitable, even though results are not from large randomized studies. Unlike T-DM1’s case, Seattle Genetics negotiated a special protocol assessment (SPA) with the FDA, implying that the trial design and endpoints are acceptable by the FDA.

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