Agenus Inc. (AGEN) Earnings Call Transcript & Summary

February 9, 2023

NASDAQ US Health Care Biotechnology conference_presentation 27 min

Earnings Call Speaker Segments

Yue-Wen Zhu

analyst
#1

Good morning, everyone. I'm Charles Zhu , one of the senior biotech analysts here at Guggenheim Securities. For our next session, we have Agenus joining us, specifically Garo as well as Steve. Garo and Steve, thanks for joining us here this morning. Perhaps just to kick us off, could you provide us with a brief overview of your company platform and pipeline, please?

Garo Armen

executive
#2

Thank you very much Charles. This is my first appearance even though my colleagues have been before here. So thank you very much for inviting us. As some of you may know, our company was founded 29 years ago. It's been a long haul in quest using the immune system to cure cancer. And I say those words very deliberately because we believe as a company that the immune system is capable of doing this as we have seen. I'm sitting next to 1 of the pioneers in the field Dr. O'Day who did this as he injected the first patient with Yervoy many years ago. So we have believed that the immune system is capable of doing this in a very important way. And the question has been, what is the set of tools that we need to do it appropriately. And that's what the company has done. In the beginning, we had a tool in the form of an autologous cancer vaccine at a time when autologous cancer vaccines were frowned upon when autologous therapy was not really embraced at all. And that has changed, of course. But more importantly, in the last 10 years, the company has been in possession of a very important antibody discovery platform. And that antibody discovery platform has led to 17 different agents to enter the clinic. So one important thing about our company is that every single product that we have in development and in clinic today has been discovered at Agenus. As you know, the recent Rave has been our botensilimab, which is our next-generation CTLA-4 molecule. And Dr. O'Day we'll talk more about that. But we have a wide range of agents in our portfolio that address different components of the immune system. We look at cancer in simple terms as having some cancers having tumors that are less visible and other cancers have tumors that are more visible. Now when a cancer has tumors that are less visible, it doesn't mean it's invisible. It means that if we have the agents to make them even more visible as we have done, for example, in MSS CRC, then you can conquer that cancer potentially. So that's the strategy, and the strategy is not based on a single agent, although we characterize botensilimab as a very high priority agent, but a whole slew of agents that could do this. Would you like to, of course, get into the next question.

Yue-Wen Zhu

analyst
#3

Of course, yes. So your lead asset of botensilimab, it's a CTLA-4. It's -- I would say it's a very well-established target, but you guys do something a little bit differently there. Can you talk about what you do with CTLA-4 to unleash its potential?

Garo Armen

executive
#4

Sure. I mean, as you know, CTLA-4 is an established target, as you said, our botensilimab -- we have several CTLA-4s, but our botensilimab is a what we call it is a multifunctional CTLA-4 binding antibody. So it does bind to CTLA-4, but that's 1 of many things that it does. It's not the only thing and Dr. O'Day perhaps you can elucidate that.

Steven O’Day

executive
#5

CTLA-4 is a very important break that prevents us from attacking our own cells all day long, right? It's a very important checkpoint that prevents autoimmunity happening on an ongoing basis. So by blocking that in a hot tumor that's very visible to the immune system with botensilimab or other first generations, we cured 1 in 4 patients with widespread melanoma really extraordinary thing. But the problem with first-generation CTLA-4 really is that it didn't prime and activate those weaker neoantigen colder tumors. And botensilimab, the front end of the molecule releases that initial break, which is important -- but the magic, and we think of this not just as a next-generation CTLA-4, but actually a new IO molecule because the stickiness at the back through Fc-enhancement brings APCs andnatural killer cells into proximity and potent durability to the T cell that seems to be addressing these weaker neoantigens like MS Stable Colorectal sarcoma, ovarian that have not been reached by first generation. So we think this is a much more potent priming CTLA-4. And it also we inhibit complement binding through mutations at the back end that make it safer. And we've seen more of a safety profile outside of the GI tract that seems to be distinguished. So it's more potent in terms of its recognizing weaker antigens to -- and it also depletes Tregs and it activates APCs dendritic cells -- and it's the chemistry of the whole molecule that is breaking new ground in these colder tumors. We now have 9 different cold or IO resistant tumors in our expanded Phase I program that are responding to either botensilimab alone or botensilimab with our PD-1 balstilimab.

Yue-Wen Zhu

analyst
#6

Great. And could you also perhaps quickly remind us of the data that you've generated so far? And how are you using that to really leverage areas of priority or indications of interest as well as development steps?

Steven O’Day

executive
#7

So people ask us a lot, how did we come to these diseases that were sort of -- because many big pharma, many companies really pick warm or hot tumors to have their initial Phase I study. In fact, our Phase I study was with PIs that were true classic Phase I PIs where the referrals to these programs are generally GYN, sarcomas, GI malignancies that have been cold. And so when we started to see these responses, and I was the PI in the clinic before I came to Agenus with this molecule. So I got -- it's literally my patients, these first colorectal, sarcoma, GYN patients that I witnessed this sort of transformative responses that we had not seen previously. So that's sort of why we got into these tumors initially and it opened up, obviously, a tremendous potential. We also think it will work in hot and warm tumors, and we're obviously moving forward in Phase II programs now in MS Stable Colorectal melanoma and pancreas with 3 different experiments. In colorectal, we're combining it with our PD-1 because that's where the data has emerged most potently. In melanoma, we are going to look at single-agent botensilimab because ipilimumab has a clear, really low bar in terms of response rate. And then in pancreas, preclinical data suggests that using botensilimab with chemo is curative in a very refractory mouse model. And as you may know, PD-1 chemo in cold tumors, lung is considered warm and upper GI warm tumors clearly big franchise with pembro and chemo. But in the cold tumors like ovarian and pancreas PD-1 chemo combinations have not worked at all and PARP combinations have not worked, whereas CTLA-4 and particularly our drug may work in that setting. So we're going to explore that in a second-line pancreas.

Yue-Wen Zhu

analyst
#8

Great. And I think recently at the ASCO GI conference, you had provided updated data in MSS colorectal cancer. Could you perhaps remind us quickly on that as well as how it informs your next development steps in that indication?

Steven O’Day

executive
#9

So this is an arc that's really exciting to me, and I know a lot of the KOLs around the world. We initiated this first MS stable data in ESMO GI in July of last year with 41 patients. And the PIs in the study have continued to actively aggressively put patients on based on this sort of breakthrough data in this tumor type. And then at SITC, we updated it. And then now at GI ASCO just a few weeks ago, we've updated to 70 patients with refractory disease that's medium of 3 to 4 lines of therapy. But the consistent finding as this data has been rolled out, is that the responses are in the low 20s by RECIST, they're durable. And now we're starting to show disease control and survival data with this subgroup of 70 patients that is really quite distinct from standard of care. Clearly, patients with no liver mets or treated liver mets that it's even more impressive, but we think there's benefit across all patient subgroups. So we have now launched a Phase II program looking at contribution of components because it's a combo regimen and dose, and we're looking at it in treated liver or never liver because the response rate has been so high in that group, we can clearly distinguish what our best dose and schedule is.

Yue-Wen Zhu

analyst
#10

Great. And perhaps very quickly, what proportion of MSS colorectal cancer patients have treated liver or no liver met.

Steven O’Day

executive
#11

So in the third, fourth line setting, which is sort of we're in where we've been, it's estimated to be around 30%. But if then you take patients who've had treated liver mets, it could be another 10% or 15%. And this group is definitely in flux and the KOLs are saying if the paradigm is that this IO-IO combination is incredibly effective outside the liver or for minimal liver disease, there are plenty of regional liver therapies that can be done in conjunction that would open it up. But our estimates right now are 30% to 40% of patients, which is a big number, given the MS stable group is 95% of metastatic colorectal cancer.

Garo Armen

executive
#12

And as Dr. O’Day said, so the aim is to go after very sick patients, which is the subject of our trials, heavily pretreated 3, 4 lines of treatment before we get to them. And then, of course, because of the attributes of botensilimab as Dr. O’Day mentioned, there's a safety advantage, and we have potentially better ways of dealing with that prophylactically, which we're working on right now with some of the most distinguished KOLs. And so the strategy of the company is to go from third-line patients to first-line patients, not just in colorectal, but also other indications when Dr. O’Day mentioned, for example, not just cold tumors do well with botensilimab, but it's very, very likely as we're seeing now with early data in our Phase I trial that is all comers. It's very likely that we will see more profound effects, potentially curative effects in hot tumors such as non-small cell lung cancer which is a very large patient population at the largest. And so the aim is to show effect in low-hanging fruits are more difficult cancers -- and as we do that to gradually expand into earlier-stage disease and to hot tumors, which we are actively doing.

Yue-Wen Zhu

analyst
#13

Great. Great. And also, in line with that -- actually, before we get there, maybe 1 last question on colorectal cancer. I guess -- how are you thinking about path to registration and what sort of future trials, if any, might you need for that?

Garo Armen

executive
#14

So with the current trials that are ongoing, we chose to do Phase II trials that are randomized, dose finding as well as able to differentiate between the single-agent activity versus multi-agent activity. And so it's a very well-designed trial that accommodates the regulatory agency's newest paradigm. And as you know, the FDA is now very much zeroed in on these items, contribution of elements and the right dose. And so this trial is designed to do that. But it also has a reference arm, the standard of care arm. And that's also very important because even though we have shown significant activity in our trial in the 20s versus low single-digit activity with the standard of care in response rates. But to show that in a randomized setting is important, and this trial will do that. Now depending on how compelling the results are and depending on what the agency thinks about that, we may go and see if we can have the ability to bring these products to patients as soon as possible because the KOLs that we've spoken to at major places like Dana Farber, MSK, MD Anderson, UCSD, UCSF and all of that, Europe are very interested in bringing this product to their patients. So we will work responsibly with the regulators around the world, including the FDA, to make sure that if there's an avenue to bring the trial results through completion, while we do expanded Phase III trials in third line as well as first-line patients, and those would be ongoing, of course, at the time of our request. Then we may have an early window -- may have an early window for registration. But nonetheless, we are very adamant about doing not just third-line patients, which -- in CRC, which target about 8,000 in the U.S. alone, but also first-line patients, which are approximately 80,000 in the U.S. So there's no reason for us not to pursue these strategies simultaneously, and we will.

Yue-Wen Zhu

analyst
#15

Great. And maybe like you've already noted melanoma as well as pancreatic as other clinical priorities. But maybe zooming out it at a higher level, you've evaluated, I think, 9 tumor types across for botensilimab. So how are you thinking about clinical development in some other areas where you've generated interesting to such as sarcomas or non-small cell lung cancer anywhere basically.

Steven O’Day

executive
#16

As we've launched these Phase II trials in colorectal pancreas and melanoma, the Phase I trial remains open in other subtypes. And I would say the most excitement we have right now is non-small cell lung cancer, obviously, sarcomas, ovarian cancer that we've reported data on but also other GU tumors, as well as other GI tumors. So that trial is going to stay open and expanding cohorts to really see where these others. But we haven't limited this Phase I trial to any 1 disease type. We have 9 tumors that have shown a response already 9 different tumor types, and we'll continue to expand.

Yue-Wen Zhu

analyst
#17

Great. Great. And before we move on to some other aspects of your company any key near-term milestones or data sets that you would highlight for botensilimab?

Garo Armen

executive
#18

Well, it's as Steven mentioned, the campaign started with ESMO GI. We had a late breaker opening session at ESMO GI. And that was the first time we displayed the data that quickly followed with a substantial number of KOL meetings at ESMO in Paris, followed by SITC, a plenary session at SITC followed by a sarcoma session in Vancouver and followed by most recently, ASCO GI in San Francisco. So this has been a campaign where it's been back to back additional data disclosures, more mature data disclosures. And I'm very confident that you'll see more of that in the first half of this year, for sure, and ongoing, of course. Now in addition to that, we have other programs that are in earlier stages of development, with some very exciting data that we expect to disclose this year as well. They include our CD137 molecule, which has been a problem child for the industry because of toxicity and/or lack of activity by others. We have a very, very impressive molecule that has shown no toxicity so far. And we've gone through the dose escalation process. And now we're in combination trials with botensilimab. And we have a myeloid antibody -- that's a very, very exciting target as well. Many years ago, we had licensed 1 of those to Merck and ILT4, but we have our own ILT2, which we believe is even more impressive than what we have licensed to Merck and Merck is very, very diligently pursuing. It's in Phase III trials, and it's grown more activity in multiple cancers than any other agent that I know besides what botensilimab. So those are very exciting developments that are coming down the pike, and we will see data on those as the year unfolds.

Yue-Wen Zhu

analyst
#19

Excellent. Yes. And regarding CD137, as you had mentioned, it has been a bit of a problem child, so to speak. But I guess, what do you think you or anyone really needs to demonstrate for this target in order to convince the feel that this is something that could be real.

Steven O’Day

executive
#20

Yes. I think the agonist antibodies have struggled, right? Obviously, the inhibitory antibodies, CTLA-4, PD-1, LAG-3, TIM-3, the exhaustion markers. But to really agonize T cells has had toxicity issues. It's had a struggle, but the concept is really good. If you could push T cells and NK cells into that early activated state, particularly if they have memory, you're going to do well. So what I'm excited about our CD137 it's been designed just like botensilimab is designed specifically to fix a biologic problem. This has been designed not with Fc-enhancement but through the -- a unique epitope that when this engages the Fc co-engagement with the Fc gamma receptor is very activating in a tumor microenvironment, not a liver environment. So we looked at this preclinically. And so far, we will have more data this year, but we've already shown that this monospecific therapy has not shown liver talks. So we're excited to show more. But if we can have an agonistic antibody that really gooses T cells and NK cells, as we block the checkpoint inhibitory signals that's safe in combination, it will be a major step for the field, but more to be determined, but we are combining this agonist antibody CD137 with our botensilimab now in melanoma, and we expect to complete that cohort in the first half of this year. So we're moving forward, both as a single agent and combination with the agonist. And then I would just say the ILT2 story. Merck has done -- we obviously built the ILT4 molecule, a pure myeloid checkpoint, what's differentiating first-in-class with our molecule of ILT2 is, number one, it's more enriched in the myeloid cells than ILT4. So we think it may be better as a myeloid checkpoint, but it also has lymphoid checkpoint properties that ILT4 doesn't have. So we're going to be activating T and NK cells at the same time that we're switching the myeloid element. So it's multifunctional and it's in human Phase I right now, and we're escalating. So we do have a tool chest of combinations that can be incredibly effective as we move forward, and we look forward to showing more data this year.

Yue-Wen Zhu

analyst
#21

Perfect. Great. And you guys have touched upon this a bit as well, but like business development has been pretty like active area for you guys. How are you guys thinking about that on a go-forward basis?

Garo Armen

executive
#22

Very important point, Charles a very important point. And many years ago, when we started our antibody exploits, we didn't have much resources, both in terms of company resources, capabilities and people resources. So we ended up licensing things, for example, ILT4 is an example of that to Merck. On terms that if we knew how the product was performing today, would certainly look for more attractive terms for us. But it started then. And then subsequently, we licensed some of our first-generation compounds for pretty impressive amounts of cash. And then, of course, we did the Gilead transaction and the BMS transaction. Most recently, when the BMS transaction was done it was $200 million upfront for preclinical product and made the headlines because it was the largest such transaction of its category at the time. And the reason I think we were successful in doing all of these things is because of what Dr. O’Day mentioned. There are certain attributes that are designed into these molecules. It's not just a target. For example, pursuing targets like TIGIT, like OX40, like CTLA-4 is somewhat of a generic process I mean anybody can develop and anybody to target a well-known molecule. But in our case, because of our internal capabilities, we've done, I think, an exemplary spectacular job of science and designing molecules that not just do 1 thing, but multiple things, for example, with botensilimab, it not binds to CTLA-4, but as Dr. O’Day said, it primes these cells. It actives these cells. It does many of these things, it causes memory response. It down regulates regulatory T cells. So it's all done in 1 molecule as much as possible. But in spite of that, the immune system and the cancer is a tug-of-war. And the immune system is really the body's military to win that tug-of-war. And so to do that, I think it's simplistic to think that only a sync single agent is going to be able to do it. So that's, hence, our activities with multiple components of that immunological army. That's part of the strategy of the company. Now having said all of this, in the last 9 years, we have brought in over $800 million of upfront cash with transactions that we've done. And while the grace of some superior force, these transactions have been done with molecules that are outside of the current state of the art, next-gen molecules that we have in our portfolio. for which we have complete control of right now. And so going forward, in terms of transactions, we will be selective. So it's not just the amount of money that you receive. Is it the right partner that's going to be driving these things to the finish line in a way that is substantial, along with us. It requires the right partner. It requires us to participate in a control infection in the development of that compound. And it also requires us to be able to have a lion's share of the economics. So those are the new criteria. And with each and every transaction, we've made steady progress towards this objective, more control, more of the economics or more significant share of the economics and, of course, choosing the partner very carefully.

Yue-Wen Zhu

analyst
#23

Perfect. And with that, we should probably wrap up. But Garo and Steve, I want to say thank you very much again for joining us here today, and I hope you enjoy the rest of the conference.

Garo Armen

executive
#24

Thank you very much.

Steven O’Day

executive
#25

Thank you all.

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