Bristol-Myers Squibb Company (BMY) Earnings Call Transcript & Summary
September 8, 2020
Earnings Call Speaker Segments
Andrew Baum
analystDelighted to introduce our first keynote of this year's session, Bristol-Myers Squibb. We have 2 representatives. We have Rupert Vessey, the President and Chief Medical Officer; we have Samit Hirawat, the Chief Medical Officer and Head of Development; and we have Tim Power, the Head of Investor Relations. So thank you for being with us and delighted that we eventually made it to make the technology work. So look, I'm going to try and do in 40 minutes or so what you took 3 hours to do or 3 days to do in your recent R&D update, but I'm going to just hit the hotspots. If investors do have questions, then please feel free to e-mail me, andrew.baum@citi.com, and I'll squeeze in as many as we can. So I'm going to alternate my questions or try to between Rupert and Samit on the early and late stage of the portfolio and organization.
Andrew Baum
analystPerhaps to kick off something for both of you. You obviously come from different companies, different cultures. Samit, you and I know each other from your time at Novartis. Rupert, your previous career was obviously most recently at Celgene. Could you talk to the differences, both positive and, let's say, different at Bristol today, and what you're looking to form compared to the cultures and competencies that you had previously in your legacy companies?
Samit Hirawat
executiveSure. I can start from an external perspective, because I come from either the heritage of the organization or the BMS organization. So although now more than a year I've been at BMS so I can't call myself external anymore. Very different compared to my past 12 years at Novartis. Within Novartis, of course, we went through various changes over time where I can say the overall purpose in terms of keeping patients at the center in terms of thinking through is the same. And I realize that the passion for doing the right thing by the patient, accelerating the drug development, having the collaborative environment, it's similar to any other company but at a much higher level in terms of the collaboration, and actually it's very loudly if you think about what heritage Celgene organization did in terms of their BDA activities and lift in the pipeline. It speaks very loudly on the BMS side as well if you look at the external collaborations and the way they've worked through in accelerating the pipeline and also from a conduct of clinical trials perspective with the external collaborations perspective. So those are the commonalities. What we are trying to do as we build a culture of one company now over the last 7, 8 months, certainly, COVID has given us a different perspective, and we have certainly been very agile and adapting to it. What we are trying to build is an organization that is -- has a bigger, greater relief -- or rather belief in the system of empowerment and working from bottom-up rather than working top-down only. And certainly, even more collaboration is coming in, and you've heard a lot from Giovanni as well as ourselves during the 3 days of the investor call, where we are working outside the organization to build the pipeline as well as outside the organization to conduct and continue to manage our pipeline and the overall clinical trials. Rupert, you may want to add as well to -- on top of that.
Rupert Vessey
executiveSure. Thanks, Andrew. I mean, obviously, I've worked at a number of different places, including GlaxoSmithKline and Merck for 10 -- 8 and 10 years, respectively, and then 5 years at Celgene. I mean Celgene and BMS are quite different companies. Although they are unified by certain things, they both have really strong commitments to identifying novel groundbreaking treatments for really serious diseases, and I think that's been a unifying point for employees from both heritage organizations coming together. As far as my part of the organization is concerned, the heritage BMS organization had almost all of its research and early development activities in Central New Jersey. There's a site in Redwood City, very good site, that had been there for a while, I mean, and a brand-new site that was present in Cambridge. I think what Celgene has brought into the mix is a much more diversified footprint, and we've tried to capitalize on that. So now we have fully functioning but highly innovative research and early development facilities in San Diego, the Bay Area, Seattle and what -- obviously bringing our 2 organizations together in Cambridge into a wonderful new facility. And then we have a lot of resources still in New Jersey that can be used to support and work with teams at those outlying sites. I personally think it's a footprint that most people running early stage R&D -- and large companies would be extremely envious of it, allows us access to incredible talent. Discovery in early development does well in smaller, tighter units, in my opinion, and it also puts us close to major university and biotechnology centers of innovation, who are our key partners and also a source of highly talented employees for us going forward. So I think that's really the change that we're trying to forge in research and early development.
Andrew Baum
analystSo segue from the big picture question, so probably the question that we've received most frequently in advance of this webcast, on liso-cel. So your recent financial disclosure highlighted that the FDA had yet to inspect your manufacturing facilities. Could you update us whether this is not an issue because it falls into the mission-critical and adverse comments that the agency has defined as potentially allowing approval without prior inspection? Or is there any cause for concern? Or has indeed inspection taken place during the time between publication and today? So I guess that's one for Samit.
Samit Hirawat
executiveYes, sure, and thank you. Thank you for bringing that forward because, certainly, we do believe the differentiation and the profile of liso-cel compared to many of the competitor products is very, very clear. I think it is well understood also by the health authorities. And thus far, our discussions with the FDA, we are very encouraged by the way they have looked at it. So that is all going in a good direction. As you very well mentioned in the 10-Q, we have certainly disclosed that the site inspection for the cell therapy facilities has not been completed. And certainly, with the evolution of the COVID-19 as well as the challenges it has posed both for us and for the FDA, it does pose a risk because the FDA staff, like many of us, are operating under those significant constraints on travel because of COVID. Now with that said, while we typically don't provide any details on regulatory discussions, what I can say today is the FDA has informed us that they will require inspection of both our facilities in Washington state as well as the manufacturing organization for the vector, which is located in Texas. These inspections have not yet taken place. We are working very closely with the FDA to keep this application on track. And as you know, the PDUFA date is in November. We still have some time to go. But at the same time, we are aware that some of the people -- same people who are at the FDA who will be working or working right now on liso-cel will also be pulled into the inspection-related activities that might be coming along for the COVID-related vaccines. Now FDA is very well aware of that. They are juggling multiple things as this is a public health crisis and they need to manage as well as the diseases that are life threatening, they also need to manage that. So those are all running in parallel. I don't think we can say anything more except that the importance of this application is very, very high for us. I think it is also as important from the FDA perspective. And we'll continue to work closely with them so that we can bring this product to the patients as soon as possible. We will not be providing continuous update on this as the process will move along at the pace that the FDA will decide and define. We'll certainly update quarterly on the filings as appropriate. But otherwise, the next time we'll probably have been updated the market when the status is very, very clear. Today, what we know is what I just conveyed to you. They will require the inspection of facilities.
Andrew Baum
analystThank you. I appreciate that. So maybe staying with liso-cel. The differentiation you noted in terms of CRS was reflected within the TRANSCEND data set. There is still a reasonably high rate of neurologic adverse events. And although the rate of grade 3 CRS is low, I think, 2% from memory. There are obviously grade 1 and 2, which suppresses the high levels. So where I'm going is, do you think that profile is sufficient to allow itself to be administered used outside the hospital setting, obviously reducing the financial barriers in order to increase market share versus some of the competitors?
Samit Hirawat
executiveI think from a clinical profile perspective, as you very well pointed out, one of the key factors is what's the grade of CRS and how can it be identified and managed? And what we have learned, not only from the TRANSCEND data, from the main clinical trial that was presented, but also ongoing work that has been presented as well, on a large number of patients now, the product has been delivered as an outpatient. People are -- physicians are managing those patients quite well. And we do believe that is a differentiating profile that we would be able to bring to bear when we go to the commercial settings where the tertiary centers, who will be delivering these therapies, will be able to manage these patients by infusing the product in an outpatient setting. But certainly, we'll have to have a good communication and the risk management profile that will be put into place so that if the patients do spike a fee where they have the ability to connect with the hospital, come back to the hospital and be managed. So those things will be in place. We do believe that the profile of liso-cel will allow us to be able to deliver that in the outpatient setting. Of course, we'll see what the label ultimately will say.
Andrew Baum
analystAnd in terms of the next iteration of liso-cel, some of your competitors are looking at closed manufacturing systems within the bone marrow transplant lab to both reduce costs rather than sort of hub-and-spoke cell transduction model, which is currently used in the industry. There's also some potential advantages in efficacy. Where is Bristol and the platform that you required for that? How advanced is Juno? Do you have agreements with companies like Molteni, who have the equipment? Are you turning to other providers? Is this just getting going? Could you give us some indication of your interest and progress?
Samit Hirawat
executiveMaybe Rupert, do you want to take one?
Rupert Vessey
executiveSure. Can you hear me okay?
Andrew Baum
analystYes.
Samit Hirawat
executiveYes.
Andrew Baum
analystI can. I can.
Rupert Vessey
executiveYes. So Andrew, we've put in a lot of work on next-generation cell therapies from a multitude of angles. We've just initiated a couple of trials with what we call the next-T product. You can see those on ClinTrials.gov. Those changes to manufacturing have been driven by the very large translational insights that we've developed from treating literally thousands of patients with CAR T therapy at this point with multiple different manufacturing processes. And we think those products are going to have some significant advantages in terms of dose turnaround time, cost of goods and potentially in terms of efficacy and safety as well. And we've just started dosing in both of those trials. We've also got work ongoing on our own allogeneic cell therapy products, and we're looking at the potential for iPSC derived approaches. As you know, there's a couple of companies out there that are making headway in that regard. So we're pretty active on all fronts. Yes, Juno, when the company was acquired, had a group that was looking at different types of manufacturing and closed manufacturing systems. And so that work is still ongoing as part of our manufacturing efforts.
Andrew Baum
analystAnd then a couple of other questions, same topic. Parent-child INDs as a way to accelerate the iteration for cell therapies, is that something that you have started to adopt? The FDA seems to have tentatively pushed open the door. And then secondly, in relation to your BCMA bispecific, the combination with the gamma secretase inhibitor, there was some data shared. I think the earlier stage was, again, out of Juno. Where are you on that program? Do you think it's required?
Rupert Vessey
executiveSo the parent IND child question is an interesting one and we haven't actually done that yet. And I think it comes down to an issue of whether -- if you're making something that you really think is different and then you have it sort of under the same IND, is it really a different product? Or are you arguing that it's more or less the same? So I think we'll explore that and test those waters. And I think it depends on what we're bringing forward and how much of a modest versus significant change, we think, it is to the first product that moves into the clinic. But definitely an evolving area of interest. We do have access to, again, a secretase inhibitor. And we have been using that in combination with a number of our BCMA portfolio programs, so there are trials that are getting underway to look at that. I think it's too early to say whether that's really a necessary thing for us to combine, but we can do it if we need to.
Andrew Baum
analystAnd would that be -- just looking at, and I guess my last question on BCMA is, looking at your T cell engager, which similarly to some of its peers, although not all, has a relatively high rate of adverse events in the initial data. How are you thinking about remediating that? Is GSI a potential way of lowering dose or alternatively pretreatment with debulking? Fractionation? How do you improve the profile to reduce the increase of therapeutic window? Just a broad question.
Rupert Vessey
executiveYes. I think that's -- I mean, T cell engagers in general are obviously incredibly active drugs with very narrow therapeutic index. It isn't clear to me that combining it with a GSI would necessarily help because I think you're preserving antigen on the target cell surface. So you still got to activate all the T cells and you're going to have the same sort of issue. I think the concept of debulking ahead of time is one that is definitely worth considering, and that seems to have worked with CD20/CD3 bispecifics where pretreatment seems to lower the risk when you then come in with the bispecific. And I think we have a number of agents in our portfolio that would allow us to do that. I also think we're in the process of learning which patients may be more at risk of those types of adverse unwanted responses and which ones have a better therapeutic index through the translational work that we're doing. So the program's still in relatively early stages, although we're delighted with the signals that we've gotten to date. And as we move that through some E10s in late development, I think we'll be able to address a number of those questions. Samit, I don't know if you want to add anything to that.
Samit Hirawat
executiveNo, I think you've covered it all. Thanks.
Andrew Baum
analystSo I'm going to stay with Rupert because I know he's got hot stuff, but Samit, I'm coming back to you. Don't worry. So we're very excited about the commercial and medical potential of your Factor XIa Inhibitor and the plethora of opportunities that will exist despite the world having generic anti-headache small molecules. Could you update us on -- it would seem to me, given that the GWAS, the Mendelian randomization data, the committal risk in the absence of off-target effects for efficacy are very, very low, certainly much lower than another Phase II. And the obvious low-hanging fruit to us would seem to be embolic stroke of unknown origin, acute coronary syndrome, where there's a broader therapeutic window with the Xa's and those are very substantial commercial opportunities the problem is the time lines, of course, are very long in terms of the trials. So perhaps you could, perhaps both of you, update us on, number one, your level of confidence in clinical risk-reward, given what I've outlined? And then b, the structure of the future commercial program with your partner, whether I'm talking about the right therapeutic areas or I'm sure there's other ones as well. I can think of some others or whether you think they should be focusing on looking at subgroups of the atrial fibrillation population with seamless likelihood.
Samit Hirawat
executiveSo whether you like it or not, it actually did come to me. Factor XIa is in the late-stage development program. And we are equally excited about Factor XIa and certainly making progress. There was a slight delay, rather slowdown in terms of patient enrollment during the early part of the COVID impact that we did have in the health care system as a whole. But we are in a good phase of recovery, especially outside the United States right now. As you know, 2 trials are ongoing and you even mentioned that we have our partner. Janssen and us are partnering on there. Janssen is conducting a study in the total knee replacement indication, whereas we're looking at the indication of secondary stroke prevention. We haven't yet disclosed publicly what the overall development program is going to look like. But certainly, we are looking at opportunities, not just in AF. We are continuing to consider opportunities beyond that. And you very well said, I think the ability to be able to combine that with anti-platelet agents, which will be the background therapies for many of these patients and then still being able to deliver treatment to patients who may be at a high risk of bleeding and having a full-dose treatment route and partial-dose treatments that are today applicable for the Factor Xa inhibitors, those are all opportunities that we have to have on the table and look for improvements as we look forward. So truly excited. More to follow once we have fully vetted through the program in terms of additional indications. But everything that you said is on the table for discussion.
Andrew Baum
analystAnd we'd expect the first data from the venous trial middle of next year and then arterial trial...
Samit Hirawat
executiveSomewhere in the second half of next year because we -- as we said, the total knee replacement trial, as well as secondary stroke prevention, the first data should be in the second half of next year.
Andrew Baum
analystOn your 1 of the 3 R&D days that you hosted, you presented data on cendakimab, excuse me for mispronouncing. And there was 5 or 6 pages on it, which is somewhat surprising, given the perceived need. You also highlighted a prevalence number, which was perhaps were in excess of what some of us in the market would have quoted. Could you talk to why you singled out this agent? Not just explain the prevalence numbers, but more importantly, when I look at other cytokine-targeting agents historically, which have been used, the IL-5 and there's been 2 of them, they obviously both failed. So despite they showed endoscopic improvement, there was no clinical benefit. So what's driving the enthusiasm behind this molecule? What are we missing both in patient numbers but also in differentiated clinical benefits? And obviously, [indiscernible] also being developed as well in that space.
Samit Hirawat
executiveSure, absolutely. And the reason behind talking a little bit more about cendakimab was that we had never talked about that molecule in the past, whereas the Phase II data are truly very exciting. And as we are -- we looked at the data, we decided to go into Phase III in the eosinophilic esophagitis. Certainly, Dupixent is there, as you said, but it's primarily an IL-4 inhibitor. It works through the heterodimerization with the IL-13 subunit or one of the subunits of IL-13, so it inhibits IL-13 but not fully. The Phase II data for us looked quite interesting, primarily endoscopic improvement perspective. But when you look at the patient-reported outcomes perspective, in terms of the dysphagia score and the days without dysphagia and what improvements patients felt. Those are very promising and that therefore, it deserves looking at a little bit deeper in the Phase III study. This potentially would be the second to market agent for that indication after Dupixent if Dupixent is positive. So we have to continue to build on that, and we have to continue to learn on that as we go to the Phase III and then beyond in terms of understanding these data and the evolution. I think the overall readout from the eosinophilic infiltrates and what happens also with the rings in the furrows and overall exudates in these patients, how they perform in terms of their ability to eat and get rid of dysphagia, all are going to be important as we look at it on longer term. I think in addition to that, the ability to specifically inhibit IL-13, both on the Alpha 1 and Alpha 2 subunits, we do believe it plays a role in the inflammation, and then on the other side on fibrosis, it's going to be much more important because potentially, Dupixent leaves out 1 portion on the fibrosis side, which is the Alpha 2 subunit function, at least biologically speaking. Those are going to be important. I won't comment too much on the incidence prevalence, but I do want to say that this is a very much underdiagnosed condition today. And as more education occurs, as more understanding of novel therapeutic developments come into play, there will be more diagnosis and more that patients will be provided these opportunities. I think beyond that, we are now looking at cendakimab and IL-13 as a pathway. In what other diseases it would be applicable? Certainly, there are lots of cytokine inhibitors, and we have to be mindful and choiceful in terms of where we want to develop. More to follow on that, but there are other indications that might come along for cendakimab that might be very, very important.
Andrew Baum
analystSo a question for Rupert. One of your competitors asked me to talk to them about the impact of COVID on R&D going forward. And one of my conclusions or potential learnings was the role of master protocols, umbrella trials, basket trials, which have historically been limited to oncology with some success. The success of trials like recovery in COVID suggests that they can be deployed effectively in other areas. And it would strike me that autoimmune and immunomodulatory cytokine would be an obvious place to do that in order to define patients subgroups or whether clinical or biological subgroups, which may benefit for 1 versus the other. And given your portfolio of TYK2, S1P1s, as well as your cytokine targeted therapies, is this a viable strategy for the industry? Do you think that this has got legs? Or do you think there's a fine line between a basket trial and a garbage trial because you didn't set up the parameters right and you end up with a bunch of needless data? So is it workable outside oncology? And does COVID open the doors to using them more broadly to simultaneously advance drugs and optimize or select responsive patients?
Rupert Vessey
executiveSo we are already -- and we're already running trials like that before COVID even occurred. So we have a basket trial approach with our BTK inhibitor across a range of different autoimmune diseases where we think T cell biology is important. And we're just starting another trial with a number of different agents in the dermatological indication. So we obviously believe that, that's a good and efficient way to do things to get comparative data either for a mechanism across different patient subsets or for several mechanisms across a particular disease. So we've always been committed to doing that and are doing it, and it doesn't really have anything to do with COVID per se. I mean, the recovery trial was a great trial. I think that the innovation of that wasn't so much a basket design. As you said, there's lots of basket designs. It was the fact that they got it going extraordinarily quickly and caught the press for the wave of cases, so they were able to provide extraordinarily valuable results for both corticoids in a positive sense and some other well-known agents in a negative sense that has helped -- clearly helped lots of people with their outcomes with COVID infection. But I think that the innovation there really was around the speed and not necessarily good design where basket trials are already being used in a number of different areas anyway.
Andrew Baum
analystBut you're referencing 1 type of master trial, at least in the BTK, which is taking 1 drug, exploring it in multiple diseases. I mean, the of inverse of it, and I always get the terminology confused so I won't quote the name, but using a number of drugs in the same trial in the same...
Rupert Vessey
executiveSo we have that, too.
Andrew Baum
analystYou've got that?
Rupert Vessey
executiveYes. So I just referenced that we're doing that as well. That's -- there's a dermatology trial where we've got 2 or 3 mechanisms already in the trial. And we've also done this in other areas. Samit would be able to speak more, but we have cell therapy platform trials, for example, where there are...
Andrew Baum
analystOutside of...
Rupert Vessey
executiveCompilation of data...
Andrew Baum
analystOutside of oncology?
Rupert Vessey
executiveYes. So I've given you 2 very specific examples of things outside of oncology that we started in the last couple of years. So the short answer to your question is yes, we think it's useful outside of oncology and yes, we're already doing it.
Andrew Baum
analystGot it. And then a question, I guess, this is more in Samit's backyard. We were struck by Lilly's licensing of TYVYT, their PD-1, for the U.S. market and the clear intention, to take the Phase III non-small cell lung data to the FDA as the basis for approval. And there are other companies, albeit much smaller, such as EQRx have licensed an EGFR, who seem intent on doing the same things. So should we be aware of a potential new paradigm that the agency for an established class is willing to accept Chinese-run trials? And obviously, on one hand, that's a potential competitive risk. On the other hand, potentially, it's a way of accelerating clinical trial development and, maybe in the future, lowering cost. So I'm interested in your thoughts on China from a clinical trials perspective and what we should read from a regulatory point of view, albeit we don't have clear definition of it right now.
Samit Hirawat
executiveYes. I think good points that you brought up. China has a big potential in terms of the patient population and the underserved patient population that is still available for multiple therapeutics in development. We ourselves do our clinical trials there. We have, for example, TYK2 inhibitor trial. We do have, in terms of, course, oncology wise, we've been there. And we will continue to evaluate how we are going to increase our presence in China in terms of the overall pipeline as we look at deploying that from a hematology perspective as well as other indications. I think the idea of conducting a trial only in China and then bringing the data from there, that will have to have a few things going along with that. One is the quality of the data, the clinical trial integrity, the clinical trial design and the translatability of that data that would exist to the Western population. Is it something -- for example, if you'd conducted a trial in the second or third line of gastric cancer in China, can you truly bring that data and say it is going to be the same outcome for patients who are in the U.S. when we know that the treatment paradigm might be different? Similarly, paracellular carcinoma, the use of taste and how it is used in China versus how it is used over here in the U.S., is the data truly translatable? I think EGFR, in the old days, if you recall the IPASS study, it required an additional study to be able to register that in the U.S. in -- for Tarceva or rather the second-generation EGFR inhibitor from AZ. So I think it will depend, again, how the trial is conducted, the quality of the data, the integrity that was there in the clinical trial. And then from any company's perspective, certainly, there's more that is happening in China. Not only more competitive but also the ability to conduct clinical trials because of the change in the regulatory guidelines, we are able to deploy clinical trials earlier. One has to keep in mind, though, for larger populations, China does require a large set of patients coming from China within the trial. So how do you enable satisfying the requirements from all agencies within a given clinical trial, will be interesting as we continue to evolve in that thinking. But no doubt that China will play a big role as we think of the future in terms of clinical trial conduct and bringing the data.
Andrew Baum
analystAnd then we're running a little bit late. I think we've lost Rupert unless -- Rupert, are you still there?
Samit Hirawat
executiveHe's still there.
Rupert Vessey
executiveYes.
Andrew Baum
analystGreat. Okay. So if we still have Rupert, then just before you leave, I wanted to ask you, given you're coming in from the outside and Bristol has a vast array of next-generation immuno-oncology targets, both internally discovered as well as brought into the company through business development, and there's bempeg, IL-2, there's IL8, there's CCL2/CCR5, various couple of CTLA-4 modifications. When do we see the next data on the next generation of immunotherapies? And given the emergent emerging data that you are seeing, are there any particular ones that you wish to call out as showing promise? And then there's a follow-up question just in relation to TIGIT, as Roche refers to it.
Rupert Vessey
executiveYes. Well, you listed a number of different things, and pretty much all of these molecules, whether they be an H agonist or cytokine therapies or additional T cell targets, and you're right that there is a broad array, most of them are in proof-of-concept clinical trials. And we only move them into those clinical trials if we have evidence that we're engaging the target and addressing the pharmacology, and therefore, we've actually got a hypothesis to test. Where possible, we try to choose the patient populations carefully. I couldn't speculate today on what the results of those proof-of-concept trials will be. But I think over the next 2 to maybe 1 to 3 years, that there'll be a whole series of readouts of those studies. And I'm sure some of them will yield positive data and others may not work out. I mean that's the nature of the game in early development. But I wouldn't single one out, particularly at this point that's in early development because that's really our job is to work through those and run those proof-of-concept studies. And we're almost excited about seeing the IL-12 Fc and the TGF beta molecule that we just acquired through Forbius to the set of assets that we're testing, though.
Andrew Baum
analystAnd the TIGIT program, which you have in-house from -- that came from Bristol's side rather than from Celgene's side, there's historic and notable lack of development activity. It wasn't evident to me whether that was a function of the emergent data or whether it was a capital allocation decision because the investment was going into other molecules of the key portfolio.
Rupert Vessey
executiveNo, we're still developing the TIGIT antibody. I mean, obviously, you follow the field closely, and there's been a lot of discussion about the utility or otherwise of having an [ ex active ] Fc domain as part of your TIGIT monoclonal antibody. There are arguments and data and different directions, depending on which data sets you look at. And we're obviously learning from information that's coming out from the antibodies that are a little bit further downstream from us and we're able to redirect our program accordingly. So we're still planning accept some key concepts with our TIGIT antibody. And I think there'll be valuable data because they'll provide information on a different configuration of what is otherwise a very good TIGIT monoclonal. So again, that's another one to keep your eye on.
Andrew Baum
analystAnd then 2 questions, I guess it's 1 for both of you. Precision medicine, oncology, so small molecule oncology is not an area that Bristol has explored in detail since dasatinib. I guess, your -- the 486 may fall into that bucket, but it's not really targeted in quite the same way. Is there any interest in building out efforts in the biomarker-defined patient populations more broadly? So that'd be [ Rupert. ] And then second for Samit, obviously painful bruising experience, adopting tumor mutational burden as part of salvaging is probably a little bit brute of a work, but there, you can't make -- 227. There's a lot of debates in academic circles about whether TMB is actually a co-founder rather than a real biomarker for immunotherapy drugs. So I'm just interested internally where Bristol considers TMB as a selection tool.
Samit Hirawat
executiveRupert, do you want to start so that you can leave and then I'll answer and I'll leave as well?
Rupert Vessey
executiveYes, sure. That would be great. So Andrew, we have a very sizable translational medicine organization, and we invest in gathering and analyzing data sets in all of the disease areas that we work in, hematology, solid tumors, cardiovascular, immunology and fibrosis. We're extremely committed to trying to understand different patient segments because it informs our selection of drug targets and all of our programs that enter development do so with a translational medicine strategy, and in most cases, with a significant effort to try to identify biomarker-selected subsets of patients that are more or less likely to respond. Generally speaking, the biomarkers that have worked best in development so far, and not just for us but in general, tend to be specific mutations or, in some cases, the level of expression of the direct target of the drug. And the further away you get from that into the more complex downstream pharmacology, of which tumor mutation burden would be an example, but also the many different gene expression signatures that show, for example, higher or lower levels of hematological activity in the tumor and the same can be applied to other disease areas. The more imprecise the precision medicine becomes, so what you end up with are sort of enrichment markers that may identify our higher-proportion of responders, but they certainly don't identify a group of people who don't respond at all to the drug. And then it becomes a bit more of a murky kind of endeavor. That doesn't mean that we're not completely committed to this. And when we find an opportunity to apply it that we think will make the medicine more useful and more successful, we absolutely do that. And Samit's actually a fabulous partner in this regard because he's extremely science-driven and very engaged in the part of our organization that supports his team. So I wouldn't want you to think that this isn't something that, certainly in our new company, we are not extraordinarily committed to. But I also wouldn't want you to think that this isn't shelling peas. It's quite challenging to find really good biomarkers. And that's why there aren't that many of them for all the different drugs that are approved and out there today. Samit, I don't know if you want to add specifically on...
Samit Hirawat
executiveNo. Thank you, Rupert, and thanks for the shout-out, too. I think having been at a place where the primary development was done only through precision medicine, through small molecules, looking at single-gene mutations and trying to develop drugs for there, I think you leave a large proportion of patients then behind for whom there is an unmet medical need as well. So as Rupert and I have talked about, we have to take a path which basically satisfies both size, meaning developing drugs where they can be for that population, where the transformational activity is there through a small molecule or otherwise, targeting those mutations. We do understand that beyond a certain time point, those mutations will then -- although those drugs will then generate a clone that will be resistant to that precision medicine, then we need a second one and third one, et cetera. But I think the large proportion of patients, still we don't have the specificity because tumors are smart. And so if we were only going after the precision medicine, we would not have an I-O therapy today. So we do have to think of the larger population, larger proportion of patients that we also need to target. Coming to your TMB question, I think certainly, there was a lot of work that was done. We've learned a lot from there. And the question is, how do we translate that work that was done that didn't necessarily work out the way we intended it to? And as we go forward, what can we learn from there and take forward? We have to continue to evolve. You've mentioned, we have several I-O therapies in development. How do we look at relatlimab, for example? How do we look at bempeg? How do we look at the next IL-8 or IL-12 or TGF data in terms of taking that knowledge and applying it here? And that's where, I think, the digital strategies and data mining that we have put into place to be able to collate large sets of data, data that we've generated over the years, taking all the clinical biomarker as well as outcomes data for these patients and trying to make sense of this, that's the work that we are doing now. And we've created a biometrics department with data sciences as part of it. And we're looking deeper into that. And hopefully, that will yield results as we go along for new molecules. Hopefully, that answers your question. Andy.
Andrew Baum
analystIt does. It does. So look, I think we've reached the top of the hour. I just noticed an e-mail from Tim asking to free up your calendar. So listen, I much appreciate both your time and apologies again for the technical issues and look forward to seeing you, hopefully, in person before too long.
Samit Hirawat
executiveI hope so too. Thank you, Andrew. This is great. I appreciate it. Thanks.
Andrew Baum
analystBye.
Samit Hirawat
executiveThanks. Bye.
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