I was thinking that the reader mailbag questions this week would be full of straightforward easy to answer clinical questions, after all, they usually are post ASH and ASCO… but not this year!
T-cells attacking a cancer cell. Digital illustration.
Instead, there is a huge wall of intense focus on CAR T cell therapies and the latest round of intriguing developments in this space. While CARs have received much attention, TCR cell products have largely flown under the radar to date, although that may change.
What’s particularly interesting is that these charges could potentially be transformative or absolute duds – it’s unlikely to be an indifferent middle ground here.
Here, we answer questions on the ever-increasingly complex science that is ongoing in the TCR and CAR T cell fields.
In the next mailbag, we will cover the clinical questions arising from data at ASCO, so if you have any queries on the data in Chicago, there’s still time to send them in before next Friday!
If you are interested in the new developments in the complex world of gene editing and how they may impact the ever-changing adoptive cell therapy space, then this article is for you. Subscribers can log-in below or you can click the Blue Box to nab instant access!
One of the hot topics at the forthcoming 2016 annual meeting of the American Association for Cancer Research (AACR) in New Orleans is likely to be CAR T cell therapy (Twitter: #AACR16).
Several research groups have shown impressive results in acute lymphoblastic leukaemia (ALL), but challenges remain in using adoptive cell therapy to treat other leukemias such as CLL, as we heard from Dr Porter at the recent BMT Tandem meeting. See post: Challenges and Opportunities of CAR T cell therapy in CLL. Perhaps more significantly, there’s a long way to go before CAR T cell therapies hit prime time in solid tumours.
What is fascinating is the pace of scientific research in the field. By the time the first CAR-T cell therapy is FDA approved, the second generation constructs used in them will most likely be obsolete.
This post reviews completely new research, which we’ve not written about before, that I expect we’ll hear more about at AACR, and discusses novel concepts about how to make CAR T cell therapy more effective in both leukemia and solid tumours. It’s a good pre-AACR preparation for those interested in cancer immunotherapy and the emerging CAR T cell therapy landscape.
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It’s Tuesday at the 2016 JP Morgan Healthcare conference in San Francisco (Twitter #JPM16).
Each day of #JPM16 we’re doing a rolling blog post which we’re updating throughout the day with commentary and insights on the company presentations we’re covering.
While we’re not giving a blow-by-blow account, many companies have the slides readily available, we will be commenting on noteworthy news, and what we learn about corporate strategy going into 2016.
For those of you who like to catch up with the final summary of each day’s highlights, you can read yesterday’s Day 1 synopsis here and our interview with Seattle Genetics CEO, Clay Siegall here.
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The immuno-oncology space continues to get both interesting and also very crowded with over 20 chimeric antigen receptor (CAR) T cell therapies now in development. Originally, the excitement began with the University of Pennsylvania’s dramatic announcement regarding the first two advanced CLL patients they successfully treated, leading to a collaboration with Novartis and spurring a new ‘arms race’ development in this niche.
While most of the CAR T cell therapy data since has largely focused on acute lymphoblastic leukemia (ALL) and to a lesser extent, non-Hodgkins lymphoma (NHL), many have been wondering what was happening on the CLL front? Has hope been abandoned there or will we see a renaissance occur? It is of particular relevance with the Abbvie/Genentech announcement that venetoclax has positive data in CLL patients who have the Del17p mutation and filing is likely here in this subset soon. Therapies such as ibrutinib and idelalisib are already approved in refractory CLL and may also have a future role to play here.
Do we need suicide switches for CAR T cell therapies such as Bellicum and Cellectis are developing or not?
Meanwhile, other hematologic malignancies are also being explored, including multiple myeloma. Why would a CD19 CAR work in a disease long considered to be CD19-negative in advanced, refractory disease?
Dr Carl June, U Penn
What about progress with solid tumours? Many commentators and investors have been highly sceptical of the chances of success here following the advent of positive checkpoint data beyond metastatic melanoma and early CAR data in mesothelin cancers.
To answer these questions and also get a flavour for where things are headed with CAR T cell therapies, we recently interviewed one of the leading experts in this field, Dr Carl June (U Penn).
To learn more about Dr June’s perspective, subscribers can log in below or you can sign up in the box.