Biotech Strategy Blog

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

Posts tagged ‘anti-VEGF inhibitor’

Today for the second AACR 2017 Preview, I wanted to switch things up a bit and turn from looking at an important trend to a specific tumour type. One of the reasons for this is that we received questions from readers about recent data presented at medical meetings in this sphere.

It’s also not something that we have covered extensively here on BSB, so looking at something in a different light is often a good idea since insights and intelligence can sometimes jump out afresh.

Given that there are also some important clinical trial results emerging here, this is something we can expect to return to in Washington DC when the data is presented at AACR next month. What can we learn ahead of the event though? It turns out the answer is quite a lot.

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Driving St Charles StreetcarAfter exploring the science behind chemotherapy improving T cell trafficking into the tumour yesterday – which is one of the key rate limiting issues that need to be addressed with immunotherapies such as checkpoint blockade – some obvious follow-up questions comes to mind:

  1. Does the compelling data in mice translate to humans?
  2. Can chemotherapy turn a cold tumour into a hot one?
  3. Will patients have improved outcomes as a result – or not?

It’s easy to dismiss traditional therapies in favour of appealing new developments, but what happens when we combine them?  Do we get additive effects, synergies or a negative impact?

As part of our ongoing AACR coverage, we explored this conundrum in the context of new data readouts, as well as the broader competitive landscape.

What we found was really interesting!

BMS, Merck and Genentech/Roche all have trials ongoing in the metastatic colorectal cancer space, with very different approaches being taken.  Does it matter?  Which one’s driving the bus?  We summarise these trials and offer some strategic insights on this niche.

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This weekend I will be at the annual meeting of The Association for Research in Vision and Ophthalmology (ARVO) in Fort Lauderdale.

I’m excited about attending because earlier in my career I worked at Alcon Laboratories on European IDE clinical trials for three novel intra-ocular lenses.

ARVO is the ophthalmology equivalent of AACR and is where scientists involved in drug, device research meet to discuss new findings and early stage research.

The title of meeting is “Visionary Genomics.”  After listening to the plenary session at the recent AACR annual meeting by Lynda Chin on how insights from cancer genomics are translating into personalized medicine, I’m looking forward to seeing the impact of genomics on vision research.

Sunday’s ARVO/Alcon keynote presentation is from Roderick McInnes who is the Canada Research Chair in Neurogenetics at McGill University in Montreal.

A presentation that is already generating some advance interest is Sunday’s presentation of the results from the Comparison of Age Related Macular Degeneration Treatments Trials (CATT).

Age related macular degeneration (AMD) is the leading cause of vision loss in those over 65 in the United States, with over 7 million people estimated to be at risk.  Once you have AMD in one eye, you have a 43% risk of developing it in the other eye over a  five year period, a scary statistic!

The first CATT clinical trial is between bevacizumab (Avastin®) and ranibizumab (Lucentis®), both similar anti-VEGF inhibitors that are derived from the same monoclonal antibody.  It will be interesting to see whether the data supports the current practice of off-label use of bevacizumab given its lower cost compared to ranibizumab.

The findings from this data will also potentially impact aflibercept (VEGF-Trap) that is being co-developed by Bayer and Regeneron.  In February, Regeneron submitted a biologics license application (BLA) to the FDA for the use of VEGF-Trap in wet AMD.

The initial results from the aflibercept phase III AMD trial announced late last year showed a non-inferiority to ranibizumab.  If aflibercept is approved and comes to market in 2012, depending on the CATT results, it may have to compete on price against off-label bevacizumab in AMD.  Whether a more convenient injection once every two months for VEGF-Trap (compared to monthly for Lucentis) is sufficient to justify a price premium, it will be interesting to watch the market dynamics in this space.

You can find more about the meeting on the ARVO conference website and they have also put up a blog for the meeting.   The theme of my blog posts over the next few days will be ophthalmology related, and I expect to be live tweeting from ARVO 2011 on Sunday and Monday.  I’ll also be aggregating tweets from the meeting (hashtag #ARVO11) on this blog.

 

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