Biotech Strategy Blog

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

Posts tagged ‘chemotherapy’

Scaling the ramparts in Real Madrido

In our last ESMO23 Preview ahead of the live meeting starting on Friday, we highlight another eight targets to watch out for where there will be intriguing data dropping out from Madrid over the weekend.

More than just the data though, is consideration for the implications of the findings and how they can impact a particular tumour landscape.

One thing to note is just because a company highlights what they consider to be positive data doesn’t always mean it is actually so when you look carefully at the small print.

Not surprisingly there are a few examples of this genre at the forthcoming conference…

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It’s time to go through the keyhole and take a look at progress with the KRASG12C inhibitors beyond lung cancer.

Years ago, there really wasn’t much hope in pancreatic cancer – it was an area big Pharma avoided because just about nothing worked well.  But those were the days of chemotherapy and promiscuous dirty kinases akin to a blunderbuss approach.

As we learn more about the biology of the disease and develop more selective inhibitors against oncogenes known to be active, have things improved at all?

In our latest cancer conference Preview, we pivot from a cell therapy meeting to the ASCO plenary series and take a look at how Amgen’s sotorasib is doing outside of lung cancer, an area where Mirati’s adagrasib was thought by some to have an advantage.

It’s always tricky to make judgment calls on the basis of a few patients in a catch all phase 1 trial – sometimes it’s better to wait until there’s a larger sample in a given cohort before rushing to declare winners and losers.

Often though, the data is something of a kaleidoscope – it depends on which angle or lens you view the data from.

In this post we include some expert reaction and commentary too…

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What stands out as a possible new cancer target to therapeutically drug?

Every year as part of our AACR Preview series, I pick a novel target to illustrate where innovative ideas are coming to the fore based on new and often early scientific evidence.

There is also the hope they might lead to future clinical drug development and emerging pipelines.

Some of these targets can turn out to be tough to drug for various reasons, including narrow therapeutic windows limiting the dosing schedule that can be realistically achieved (bromodomains come to mind), while others lead to some intriguing compounds which end up going further than expected.

Here’s the sixth article in this year’s series where we identify and discuss an early novel target of interest…

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One of the inevitable aspects of a new year is a fresh start and spring cleaning attitude to almost everything. This is also true of oncology R&D too – there are also a lot of cool ideas out there, which can get lost in the noise and hullabaloo of life, especially when the political climate is attracting much attention or distraction.

Shining a light on protodrugs

In our latest mini-series we have been chatting with a variety of academic and company executives about their perspectives on emerging novel and innovative technological approaches in cancer therapeutics.

The examples chosen for this series encompass a wide variety of different approaches from chemotherapies and targeted therapies all the way to cell and gene therapies. I can tell you now that some of them are so out-of-the-box they may have an real element of surprise and aura about them.

It’s time to shine a light and lift up new ideas challenging old dogma.

Perhaps surprisingly, some of these cool approaches may also have the potential for intersection and overlap with each other, as today’s intriguing example illustrates…

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At AACR last week we had the long awaited initial readouts for three key phase 3 studies in lung cancer, namely CheckMate–227, IMpower150, and KEYNOTE–189 in the same session on the same day.

This had me thinking about how it might end up being, “a killer and a chiller and a thriller when I get the (PD–1) gorilla in Manila,” with sincere apologies to Muhammed Ali and Dr Jean-Charles Soria for (mis)appropriating their past themes 😉

Chicago River Bridge at #AACR18

For those attending the event, you might well be forgiven for thinking from the first two adjectives that I’m referring to the weather, as it was certainly cold enough (!), or even the results this week from AstraZeneca’s unfortunately named ARCTIC study exploring the IO-IO combo of durvalumab plus tremelimumab in the third line setting with a miss in both PFS and OS endpoints.

In reality, we should be warmed and heartened to see three positive immunotheraopy trials appear at once and presented in the same session at the same meeting.  It isn’t always the case as regular attendees at ASCO well know.

When all is said and done, what do thought leaders specialising in lung cancer really think about the data that was presented in Chicago, and what were the convergence and discord on the various key issues under consideration?  There is, after all, a lot of subtlety and nuance to consider in 1L NSCLC.

To find out more, we interviewed not one, but four, lung cancer specialists in Chicago for their personal perspectives.  What they had to say as a group was both candid and absolutely fascinating, so it made sense to curate their insights around various key topics together into one detailed post for easy reading… 

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As part of our annual AACR Preview series, we usually explore new developments in at least one tumour type and one new target of interest.

Bladder cancer cells infected with BCG Source: Dr M Glickman, MSK

This year is no different and there were plenty of opportunities to discuss.

We have already covered lung cancer given the intensive interest in the phase 3 trials being presented in the 1L setting, but I also wanted to cover another key tumour type that is generating a lot of keen interest in clinical development for numerous reasons.

Tomorrow we will be exploring a cancer target in detail, but there is much to cover in terms of new preclinical and clinical developments in certain carcinomas.

Without much ado about nothing since there is plenty of important things to discuss, so here’s a look at our second tumour type to watch out for given the sheer numbers of trials, including a variety of different targets to think about.

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Geneva: At the ESMO IO 2017 conference underway in Geneva, the data of the meeting is the IMpower150 phase 3 trial data that will be presented later today by Dr Martin Reck (Grosshandsdorf).

Genentech/Roche have announced a press release ahead of the presentation (Link).

This is the first phase 3 lung cancer immunotherapy trial that combines a VEGF inhibitor (bevacizumab/Avastin), along with a PD-L1 checkpoint inhibitor (atezolizumab/Tecentriq) together with chemotherapy (carboplatin plus paclitaxel).

While we’ve not seen the actual data curves yet, we spoke to Dr Dan Chen (Genentech) about what we can expect to see later today in Geneva, and importantly, we also discussed the significance of the findings from the IMpower150 study.

As Dr Chen told BSB, “this trial is a lot of firsts.”

If you have an interest in lung cancer or immunotherapy, do follow #ESMOImmuno17 on Twitter, as this is data could potentially be practice changing and have a major impact on the lung cancer treatment landscape.

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While there continues to be an almost obsessive and fervant attention and focus on cancer immunotherapy, let’s not forget that chemotherapy and/or targeted therapy combinations are still the standard of care in many cases.

Plaza de Cibeles, Madrid

There are also numerous pipeline trials still ongoing and especially in the case of diseases with a low number of somatic mutations, other approaches may continue to have more utility and clinical benefit than say, monotherapy with checkpoint blockade.

So what’s in store in our second ESMO17 Preview series?

Following on from the Top 5 IO abstracts earlier this week, next up in the spotlight is the Targeted Therapy Top 5 Selections…

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We’ve come a long way over the last two years in the oncology market, with several novel approaches approved, numerous major phase 3 trials evolving and a huge turnaround for many companies in terms of early pipeline activity.

ASCO 2016 Posters 3

The melée at the ASCO 2016 Poster Hall

Unfortunately, this also means that the tendency of lemming activity also increases in the rush to copy everyone else and not be left behind.  Just a couple of years ago, some industry friends grumbled that there were over 20 checkpoint inhibitors chasing them in development; they may be surprised to know that now there are nearly 70!  This is both unprecedented and unsustainable, and yet it’s also a function of the perceived success these agents have had on the cancer R&D landscape to date.  Everyone wants one for fear of being left behind… except that many are indeed way behind already.

You can imagine the tall guy on the left of the picture looking at his watch and wondering, “Ah so many new posters, so little time!”

Meanwhile, as the rate of approved cancer therapies increases, so does the inexorable march in terms of hyper-aggressive basket pricing.  I would argue that at some point, it no longer acceptable or even conscionable to change a premium or even market rate for drugs that give an incremental improvement of a mere 2 months of extra life.

Equally, one thing that many industry observers and the media love to do, and wrongly in my view, is to compare the individual drug prices on an annualized basis.  This is silly for several reasons:

  1. So far, not all patients are treated for a full year
  2. If patients are treated until progression and that happens early, then therapy is stopped
  3. What people should be looking at is the average treatment cost based on the length of therapy – some people will receive a few months and some much more than that
  4. What’s the true cost of a cure or remission to a patient and their family?
  5. How do we quantify the impact of the long lasting durable remissions?

These questions will become increasingly important as we see a more aggregated therapy approach emerge over the next few years.

By this, I mean that we are now going beyond monotherapy and even combinations; those trials have already long started and are the low hanging fruit that has been rapidly snapped up by the early players, as we eagerly wait for their data readouts.

If you have new agents coming-out of preclinical and into phase 1 development over the next year, there are a number of important questions to consider:

  • What are you going to do and where do you start?
  • How do you gain an edge when coming from (way) behind?
  • How do you develop unique positioning that could sustain your molecule in a sea of similar competitors?
  • Is it realistic to expect the 17th and 50th checkpoint to have equivalent efficacy as what went on before and will all of these seriously make it to market?

You can see now why even the FDA’s Dr Richard Pazdur was moved to grumble about the surfeit of me-toos here and company expectations that the FDA should consider them – it’s on a massive scale that we haven’t seen before.  For once I agree and empathize with him over that dilemma, it’s madness to think they will all be as good as pembrolizumab or nivolumab.

What we are starting to see emerge now is a surprising synthesis of ideas and a merging of disparate approaches. How will this affect oncology R&D over the next 1–5 years?

A couple of smart readers wrote in asking about these emerging trends, what have we identified so far, and where do we see the oncology space going in the near to medium term future. Now that AACR and ASCO are behind us, what can we learn about the new developments and where they all fit in the oncology landscape strategically?

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Lung cancer, along with metastatic melanoma, has been very much to the forefront of attention in cancer immunotherapies with both nivolumab (Opdivo) and pembrolizumab (Keytruda) garnering approval as monotherapy from the FDA in second line treatment of NSCLC. A third molecule, atezolizumab (Tecentriq) has also been submitted to the authorities for this indication and a decision is expected soon.

Morgan Grafitti Wall

Street art in the Chicago West Loop

While no one is in any doubt that the response rates with monotherapy are low (in the 20% range) and the majority of people do not respond, the important thing so far is that when they do, they appear to be very durable responses. People are living longer, much longer than the 2–3 months of incremental improvement we are used to seeing with chemotherapy or targeted therapies.

The race is now on to see how we can improve things for the 80% of people with lung cancer who don’t respond to single agent therapy:

  • What can we do to help them?
  • Which combinations look more encouraging?
  • Should we treat beyond progression?

To answer these questions, we interviewed Dr Stephen Liu and discussed his views on some of the cancer immunotherapy combination studies presented at ASCO last week.

Dr Stephen Liu

Dr Stephen Liu at ASCO 2016

Dr Liu is a lung cancer expert at the Lombardi Cancer Centre at Georgetown University, and is actively involved in numerous clinical trials, particularly in Developmental Therapeutics.

Georgetown’s founding principle is Cura Personalis, which translates as care of the whole person. It “suggests individualized attention to the needs of others, distinct respect for unique circumstances and concerns, and an appropriate appreciation for singular gifts and insights.”

Dr Liu embodies this ideal, advocating for his patients for access to the best research advances, including genomics and clinical trials of promising agents.  At ASCO, he kindly highlighted some of the important findings from Chicago and offered context on why they matter to the field.

He told us one combination was “potentially transformative” and could be “practice changing” in lung cancer with more data.

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