Biotech Strategy Blog

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

Posts tagged ‘CD123’

Continuing our latest cell therapy mini-series, this time around we focus on a novel and creative approach to CAR-T cell therapy, which is quite different from what we have described before with other companies in this niche.

One emerging trend is the development of bi- and even tri- specific approaches designed to target multiple aberrations in the cancer cells, but what’s the best way to achieve this? Suppose we ditch the core dogma and try another way of doing things?

The entirely new concept making the splash is also coming from an emerging young biotech company few readers will likely have heard of, yet what they are doing reminds me we can borrow from the past and paraphrase a watch ad from the 1980’s for elegant and simple timepieces – some day all CAR-Ts will be made this way.

The secret sauce this time around isn’t quartz, however, but something completely different…

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What latest ASH18 data jumps to our attention?

San Diego – It’s time to put another dozen studies in the spotlight and review what we can learn from the existing data with a view on where we’re headed in the future.

Today’s list covers a whole gamut of targeted therapies, bispecific antibodies, CAR-T cell therapies and other immunotherapies, what’s more we have a range of targets in the list too, and not the obvious ones either.

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What a wet wet wet start to the annual meeting of the American Society of Hematology (ASH) meeting being held in San Diego – quite a change from the snow in Atlanta at last year’s event!

Either way, does it precipitate a windfall of excellent data?

A lull between the rain – a soggy day in San Diego

Here are some of our early highlights, which include updates on neoantigen vaccines, novel approaches with CAR T cell therapies, NK cell therapies, targeted therapies and more…

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At the recent AACR meeting in Chicago one thing that was a surprise was how many new players seem to be emrging in the CAR-T cell space, not to mention the plethora of targets being evaluated preclinically in both hematologic malignancies and solid tumours.

The CAR-T cell niche is becoming very competitive and gritty

If we thought the market was becoming competitive before with less than a dozen players, imagine how crowded it will get once many of the unknowns start to make their mark?

This situation also presents many challenges and opportunities for the new entrants, not just in terms of merely identifying new targets and preclinical research, but also in the need for quality control and manufacturing expertise plus clinical development.

We should also remember that immunotherapy is designed not to target the tumour per se but unleashes the immune system on the tumour. This means that lessons from one approach (e.g. checkpoint therapy) can be applied to another (e.g. CAR-T cell therapy) and vice versa.

Yesterday, we discussed CD123 from the perspective of a bispecific company, what about approaching the target with a CAR-T cell therapy? What other alternative targets are out that that may be useful to investigate in the clinic?

We decided to explore these issues through the lens of one of the up and coming players in the CAR-T cell niche and find out more about what they are doing, how they see things evolving in this dynamic environment and what their path to market strategy is…

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Coney Island Roller Coaster

In the roller coaster of life that is oncology R&D, molecules come and molecules go… a rare few reach blockbuster heights while many others are quietly packed off to dog drug heaven, never to be seen or heard of again.

This is also very true of targets as well…

What about the in-between space?

Unfortunately, that’s where most molecules and cancer targets end up – into a deep black nothingness where we seek the high affinity targets with low grade side effects – and fall short in some way. It’s a frustrating place to be, to be sure.

One of these conundrums is compounds against CD123 (IL3Rα), which have been in the spotlight on and off this year and are turning out to be a rather mixed bag.

After our recent update on Cellectis and their CD123 direct CAR T cell therapy (UCART123), I wasn’t expecting to write any more on this until ASH in mid December. How wrong that prediction turned out to be!

Today we have quite a few things to discuss on this topic, so if interested in CD123 in hematologic malignancies and going beyond that to find better targets in AML then this is the poster for you…

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Paris – amazingly it’s now 3 years since we interviewed Cellectis (NASDAQ: $CLLS) CEO André Choulika and CSO Philippe Duchateau (See post: Can Cellectis revolutionise CAR T cell therapy):

Cellectis CSO CEO

Cellectis Senior Management – Drs Duchateau and Choulika

Since then, we’ve followed the company over time, including an interview with one of their leading scientists, Dr Julianne Smith at ASH 2014, followed by the initial results of their first allogeneic CAR T cell therapy UCART19 presented at #ASH15 by Professor Qasim.

It’s hard to believe 3 years have gone by so quickly! As regular readers know what we often do on BSB is follow stories longitudinally, so while in Paris for an Immuno-Oncology Summit we thought it a rather timely opportunity to revisit Cellectis and take stock of where they’re at and ask what the future may hold for them?

With the recent news that Gilead have acquired Kite Pharma, there’s going to be a lot of interest in what companies such as Cellectis are doing to bring allogeneic “off the shelf” CAR T cell therapy to market.

This is the penultimate post in our summer mini-series on gene editing and allogeneic CAR T cell therapy and features a candid interview with Dr Philippe Duchateau, Chief Scientific Officer, at Paris based Cellectis.

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Sunny Day in Orlando, FL

Orlando, FL was the place to be last week thanks to two specialist meetings in town: BMT Tandem 2017 #BMTTandem17 (joint meeting of ASBMT and CIBMTR), and the inaugural ASCO-SITC Clinical Immuno-Oncology Symposium #Immunosym.  Indeed, several speakers spoke at both events!

Throughout this week we’ll be writing about the insights we gained from the two meetings into the latest data and trends in immunotherapy, immuno-oncology and adoptive cell therapy.

We’re kicking off with cell therapy insights from the BMT Tandem Meeting. It’s the joint meeting of the American Society for Blood and Marrow Transplantation and Center for International Blood & Marrow Transplant Research. If you don’t already, do follow the ASBMT President for 2017-2018 Dr Krishna Komanduri, @drkomanduri. He’s actively involved in CAR T cell therapy trials in Miami.

It’s worth remembering that bone marrow transplanters led the way in the use of immunotherapy to provide cures for cancer. Today, the BMT transplant community are pioneering adoptive cell therapy, and in particular  CAR T cell therapy in multiple hematologic malignancies including ALL, NHL, CLL and Multiple Myeloma. This makes the annual BMT Tandem meeting one to watch for some of the latest cell therapy data.

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San Diego – after “Flying Friday” where I flew from Munich to San Diego, Biotech Strategy Blog coverage of the 2016 annual meeting of the American Society of Hematology (ASH) is now done for another year.

Downtown San Diego during ASH 2016 With over 27,000 attendees – it’s the largest ASH annual meeting I’ve seen in 20 years of coming here!  ASH is definitely the pre-eminent global meeting for hematology and blood cancers.

As you might expect, the thought leaders at this event are super-busy, but we’ve already managed to catch up with a few, and we’ll be rolling out interviews in the “post-game show.”

Subscribers have been asking what’s really hot at ASH this weekend, so reflecting my interests and the sessions I went to, here are my seven highlights/learnings of ASH 2016 (so far). There’s a lot more data to come!

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Post 2016 US Election, we move on and get back to business with an in-depth review of some new science and clinical data.

ash-2015Yes, it’s time for another Bushidō – “Way of the Warrior” – guide to the key ASH abstracts!

Here we focus on acute myeloid leukemia (AML), a difficult and challenging disease to treat with a high unmet medical need for new effective therapies.

In this Preview we look at key companies in the AML space, as well as a look at what’s happening in classic targets and also some new ones that are receiving notable attention, both preclinically and also in the clinic.

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The abstracts (apart from the late-breakers) for the 2016 annual meeting of the American Society of Hematology (Twitter #ASH16) went live at 9am ET today. Link to 2016 ASH Abstracts.

ASH16 takes place in San Diego from December 3-6.

View of San Diego from ASH 2011In this initial post, I’m sharing my first impressions of what may be some hotly contested trials at ASH16 in San Diego, as well as a few intriguing abstracts with combination data that caught my attention.

With over 3,000 oral and poster presentations, all typically of a high quality, this by post by definition, is a highly subjective one.

After we’ve had more time to process the data, further ASH16 Previews will roll out over the next few weeks highlighting more key abstracts to watch out for by tumour type or treatment modality.

In-depth commentary and analysis will follow after we’ve heard or seen the data presented at the meeting.

I’ll be flying to ASH from the EORTC-NCI-AACR Molecular Targets meeting. Do say “hello” if you have plans to be in Munich or San Diego.

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