Continuing our ASCO20 coverage with another Preview in the pre-meeting series, we turn our attention to a particular modality of keen interest to many of our readers.
In this latest article, we highlight ten areas within the niche and include an array of companies, both big and small, across Pharma and Biotechs.
Some of them have some nice data to share, others will be footnotes to the meeting, but who fits into what category and what can we learn from the abstracts upfront?
To find out more, we looked very carefully at the hints and nuance which inevitably grace the writer’s pen – it’s time to hone in on where are the flourishes and the crossings out this year?
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It’s Day 7 of our 12 day Countdown to AACR 2016 in New Orleans. After exploring GITR and OX40, we’re now looking at another stimulatory target for cancer immunotherapy: CD40.
We’ve been writing about CD40 as a cancer immunotherapy target for some time. See posts: “CD40 as a Cancer Immunotherapy Target” and “Targeting CD40 in Cancer Immunotherapy.”
Anti-CD40 antibodies are agonists that act on stimulatory signalling receptors on T cells and antigen presenting cells (APCs). Targeting CD40 effectively acts to “put the foot on the gas” and may help generate a better immune response. This could be important in cancers that have fewer natural T cells present.
CD40 is an attractive target because it’s expressed in more than 50% of carcinomas and melanomas and almost all hematological B cell malignancies. Of particular interest is the potential to combine a CD40 agonist with a PD-1/PD-L1 checkpoint inhibitor.
Multiple companies have CD40 agonists in clinical development including Roche, Apexigen, Alligator Biosciences and Seattle Genetics. There are others coming too.
In this preview of AACR 2016, we’re looking at the CD40 landscape. New products and companies have entered the scene, so we’re highlighting them and some of the CD40 presentations to look out for at AACR 2016 (and why they matter).
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It’s Day 6 of our Countdown to the AACR 2016 annual meeting in New Orleans. We’re at the halfway, 6 posts written and 6 more to go! Then it will be daily Live blogs from the meeting.
There’s a lot of cancer immunotherapy at AACR this year, so after yesterday’s post on GITR we’re continuing our mini-series with a look at another immune agonist.
Today, we’re moving onto OX40 (CD134) as a novel immuno-target. Regular readers will know that we’ve been following this target for some time.
Immune agonists such as GITR, OX40, CD40, CD27 and 4-1BB help to rev up T cells. As Dr Tom Gajewski (Chicago) told us last year, in an interview published on the blog and excerpted in Episode 6 of the Novel Targets Podcast: Stepping on the Gas:
…there are inhibitory receptors on activated T cells that are involved with shutting immune responses down. There are also activating receptors that help to rev up those T cells. You might question whether you can push an activator and block an inhibitor, and maybe get a good anti-tumor response going as well.
When we drive a car, we both lift our foot off the break and we step on the accelerator. We have really beautiful data in animals that that this is exactly the case, that if you hit one of those strong positive regulators, and block just one of the negative regulators, you can have complete disappearance of the tumors in mice.
Several of those positive agonistic antibodies against costimulatory receptors are in the clinic. One of them is anti-OX40 that a couple of groups have in the clinic. We’re working with Genentech, that has one of those agents in phase I.
What does the OX40 competitive landscape look like?
In those post we’ve provided commentary on some of the new products in development from companies and highlighted a surprising number of abstracts that you’ll want to watch out for at AACR 2016 if you’re on the cancer immunotherapy track.
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There are now several CD40 agonist antibodies in early clinical development from several different companies, including:
- Roche – RO7009789
- Apexigen – APX005M
- Seattle Genetics – SEA-CD40
- Alligator Bioscience – ADC–1013
This post is the last in our cancer immunotherapy coverage from the European Cancer Congress in Vienna. It features excerpts from an interview with Dr Christian Rommel, head of oncology discovery at Roche in Basle, Switzerland in which he talks about the development of their CD40 monoclonal antibody. Readers may recall we wrote about this from SITC 2014 last year: “Targeting CD40 in Cancer Immunotherapy.”
This post is also a new primer on CD40 as we start our coverage of the Society for Immunotherapy of Cancer (SITC) 2015 annual meeting. We’re informed by SITC it’s a sell out conference with 600 more people than last year’s record breaking number. Cancer Immunotherapy is indeed the hottest topic in cancer drug development.
If you have plans to be at National Harbor this week, we hope to see you there!
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