Guardant Health, Inc. (GH) Earnings Call Transcript & Summary
July 29, 2024
Earnings Call Speaker Segments
Operator
operatorThank you for your patience, ladies and gentlemen, the Guardant Health's Shield received FDA approval call is to begin shortly. [Operator Instructions] Thank you. Hello, and welcome, everyone, to the Guardant Health's Shield received FDA Approval Call. My name is Maxine, and I'll be coordinating the call today. [Operator Instructions] I will now hand you over to Zarak Khurshid, Vice President, Investor Relations, to begin. Zarak, please go ahead, when you are ready.
Zarak Khurshid
executiveThank you, Maxine. Before we begin, I'd like to remind you that during this call, management will make forward-looking statements within the meaning of federal securities laws. These statements involve material risks and uncertainties that could cause actual results or events to materially differ from those anticipated. Guardant disclaims any intention or obligation to update or revise financial projections and forward-looking statements, whether because of new information, future events or otherwise. The information in this conference call is accurate only as of the live broadcast. We are joined today by AmirAli Talasaz, co-CEO; as well as Helmy Eltoukhy, Co-CEO; and Mike Bell, CFO, who will be available for Q&A. With that, I would like to turn the call over to AmirAli.
AmirAli Talasaz
executiveWe are pleased to report the U.S. Food and Drug Administration has approved a Shield blood test for colorectal cancer screening in individuals at average risk for the disease, age 45 years or older. Importantly, Shield is a first blood test to be approved by the FDA as the first line colorectal cancer screening option, which allows healthcare providers to offer Shield in a manner similar to all non-invasive methods recommended in colorectal cancer screening guidelines. Additionally, based on the strong performance of the test, Shield is the first blood test for colorectal cancer screening that meets the requirements for Medicare coverage. The Shield label, including its first line intended use, contraindications and precautionary language, is in line with our expectations following the FDA Advisory Committee meeting in May of this year. CRC represents the second leading cause of cancer-related deaths in the United States. The American Cancer Society estimates that more than 150,000 people will be diagnosed with CRC in 2024 and will be responsible for more than 53,000 deaths with the vast majority of these individuals who die from CRC, not up to date with their screening regimen. Of the 120 million people in the U.S. eligible for CRC screening only around 60% are screening compliance. When colon cancer is found at an early stage before it has spread, the 5-year relative survival rate is 91%. This approval is a significant win for patients as Shield helps solve the greatest barrier to CRC screening compliance and will save lives by detecting more cancers at earlier stages. Patients will be able to access the Shield test in primary care physician offices during any healthcare visit, including routine checkups with a simple blood draw. The Shield blood test offers a new, more convenient and pleasant CRC screening option, which doesn't require special preparation, dietary changes, the time and discomfort associated with colonoscopy or the unpleasantness of handling stool. Our screening sales team is trained and energized, and our lab operations are ready for launch, which we expect to commence in the near future. We look forward to updating the investment community on Shield related performance indicators when the time is right. The FDA approval of Shield is not only a great victory for patients but a monumental achievement for Guardant in our mission to home care cancer with data. This was our founding vision for Guardant Health, and we are so excited to reach this milestone. This is also a historical moment for liquid biopsy and cancer screening. Shield approval is the culmination of over 10 years of research and development including collaboration between Guardant Health and leading health organizations globally. We are incredibly proud of the dedication and execution across the company to make this possible. I'd like to thank the team at Guardant for their hard work during the last 10 years and especially during the last 3 years to take us to this pivotal moment. I also like to acknowledge and thank the FDA and their review team for their collaboration and partnership. With that, we are happy to take your questions.
Operator
operatorOur first question today comes from Tejas Savant from Morgan Stanley.
Tejas Savant
analystFirst of all, congrats on FDA approval, AmirAli. Maybe let me start with that sort of precautionary paragraph on the label here. How do you think sort of that plays into adoption curves? Does it have any implications at all for the eligible patient population? We've been getting a few sort of inbound from folks who are a little bit concerned about that language since you don't see it in Cologuard or the Colosense label. So just it would be helpful if you can help contextualize that in terms of the broader approval here.
AmirAli Talasaz
executiveYes. Thank you, Tejas. So this is in line with our commitment to -- even the commitments that we made during our AdCom, Advisory Committee meeting, that we are going to make sure physicians and patients are well informed so they can make decisions appropriately based on the risk benefit associated with Shield. We are very excited to get this point of securing the first-line label effectively all 120 million average risk patients would have access to this test, and their physicians, the patient can make the right decision based on the information that's going to get shared with them. We continue to believe that colonoscopy is the prioritized option for all for people who have access to. But as we know, still the reality is at least 50 million people are remain unscreened. And this blood test as a new choice, a new option for the physician and patients can really help them to repeat whatever screening methodology and regimen which suits their schedules, suits their requirements the best. It's not restricted and again, as I mentioned, it's basically sharing the information about the performance of the test for CRC, for advanced adenoma up in front, so the physician and patients can be well informed of what they are getting. We are very excited of where we are today.
Tejas Savant
analystGot it. Super helpful, AmirAli. A couple of follow-ups for me here. So later on in the discussion in that sort of information to be shared with patient section, the FDA makes a point about Stage 1 lesions that were less than 10 mm and how Shielded among those patients versus lesions above 10 mm. So how do you think that gets interpreted by physicians in the context of this precautionary language? And then, on a somewhat related note, you do have V2 here, where I think Stage 1 performance did get better, right? So as you think about the FDA process for that and perhaps even accelerating that process a little bit here, any color on that would be helpful.
AmirAli Talasaz
executiveYes, I think, like the information that you're seeing in terms of the summary of the Shield, a notion of the performance of different sizes are in line on exactly the data that have been presented in our publication before. These are just fact sharing about the performance of the test. There's nothing new about it. And we are -- we've been supportive of adding all the fact related information about the Shield in our label in such a way that the physician and patients would be well informed of what they are getting. We have no concern about any of these fact sharing and education with physicians. In fact, in the market which Shield LVT, we are talking about the risk benefit of the Shield and the good and bad of this task and we are seeing how much enthusiasm exists in the primary care physician to get access to this test. Regarding V2, we are very excited with where we are with our V1 and securing this label, securing this FDA approval, but this is not where we are going to stop over time, the test is going to get better. I mean, indication hopefully are going to get expanded. But in terms of, again, this precautionary language for Stage 1 performance, we have no concern about it to wait for V2 to change that label language. We are okay with it.
Tejas Savant
analystGot it. Super helpful. Appreciate it. And congrats again AmirAli.
Operator
operatorThe next question comes from Bill Bonello from Craig-Hallum.
William Bonello
analystJust another question and then a follow-up, hopefully, but another question around the labeling. So there's something in there that says patients with a negative result should continue participating in colorectal cancer screening programs at the appropriate guideline recommended intervals. And I just wanted to understand sort of your take on that, particularly when you're not yet in guidelines, but I suppose you will be in the American Cancer Society guidelines. So I mean, is there anything to be read from that, that somebody who gets a Shield test and has a negative result the implication is that they still need to get some other type of colorectal cancer screening? Or is that not at all how you would interpret that?
AmirAli Talasaz
executiveNo, that's standard language, which have been the precedent for the field for other kind of tests when they got the FDA approval. So that language is exactly similar to other tests. And again, maybe I refer to another section that we have in our label summary that this test should be considered in a manner similar to other guideline recommended non-invasive CRC screening modalities. So, but no -- thanks for your question, but that language is very similar to the language other tests have.
William Bonello
analystThat's super helpful. And just as a follow-up on the label, I don't think I saw anything in there in terms of interval. So how does that kind of play out? How does that get established what the appropriate interval should be?
AmirAli Talasaz
executiveYes. So I think when we look at the testing interval as we expected, FDA initially do not get into setting the interval testing when the performance of the test in longitudinal kind of programmatic testing is not established, right? So as part of our post-approval study, we are going to study again, very similar to the post-approval study that stool test needed to do to establish the longitudinal performance of Shield in a triannual testing program, such as testing of patients on a 3-year basis. So that would be kind of a very long-term study that we are kind of doing in the background to see what the performance of Shield would be in year 3 and beyond. By, which is the role of guidelines also CMS in terms of payers, in terms of setting the right utilization of these healthcare services.
Operator
operatorThe next question comes from Puneet Souda from Leerink Partners.
Puneet Souda
analystAmirAli and team, first of all, congrats on the FDA approval here. I know, it's been a long journey for you. My question is, as you think about the label where it stands today, your next steps with CMS and then eventually USPSTF, I'm sure you've thought about that. How should we think about the penetration for such an assay in the market longer term? Maybe if you can comment on that first and then also talk to us about the next steps, which is the -- potentially the ADLT and the CMS as well.
AmirAli Talasaz
executiveYes, sure. So when you look at this market, I think the interesting fact is, about 120 million people are eligible to get colorectal cancer screening done. 55 million of people are getting screened by colonoscopy and about 15 million are getting screened with stool test and about 50 million remain unscreened. As you know, these methodologies have been around some for a decade, some for over a decade, for over even 2 decades, and this is the situation that we have that more than 50 million people are remaining unscreened. That 16 million annual testing opportunity for triannual Shield testing, we are very excited about this market opportunity and the impact that we could have on patients' lives. And when you look at actually the reality of colonoscopy, it's a prioritized option, but we have limitation on how many people we can scope in terms of infrastructure, healthcare facilities, anestheologies, GI, looks like we have a capacity of doing 6 million annual screening tests with colonoscopy and about 5.5 million screening tests are getting done right now. And for a stool test, there are a bunch of factors that come into the play that even the people who do stool test in surveys, we see 7 out of 10 of them, they do not like to do the test again, the rate of rescreening, which still is very low. So it has become really a modality that looks like it's hard to get the patient tested one time. I mean, a longitudinal testing has been a major problem. And now we have this easier pleasant mode of screening called blood that can be done very routinely with against 16 million annual testing opportunity right now. So we are very excited of what we can do. We believe the guidance that we set in our Investor Day last summer is what we can really achieve, we are more confident than before of achieving that milestone and those revenue targets, which was about $500 million revenue in 2028 and growing strongly from there. That's our target. In terms of the next steps, yes, we have to work with American Cancer Society. We need to work with USPSTF to make sure the access and coverage of Shield get expanded to younger patient population. We are going to work with our local MAC to establish the gap field pricing for Shield. In parallel, we are going to file for advance-diagnostic lab test status, which would enable the pathway to get premium pricing for Medicare for Shield. We are very excited about a few catalysts that we have in near future.
Puneet Souda
analystSuper. And then, if I could just follow up on the commercial front. Where do you stand today with the number of reps preparation for marketing this product and maybe just some thoughts on marketing of this product with this label in hand?
AmirAli Talasaz
executiveYes, the hiring of our sales team is continuing. We expanded the team in a very meaningful way already, the team that we have hired, they are well trained. They are going to the field very, very soon, and we are consenting to hire. We are kind of reach the milestone of about 100 people in the field by end of the year, and we are on track to achieve that. And we are expecting to Shield this IVD test in near future.
Operator
operatorThe next question comes from Dan Brennan from TD Cowen.
Daniel Brennan
analystMaybe first one would just be, I know, AmirAli, you just discussed a little bit of like the path forward with some of the key catalysts in terms of pricing. But can you just give us a sense of like timing-wise like American Cancer Society, -- just kind of frame that a little bit? Like what could that mean in terms of commercial uptake. What are the permeations of what the ACS could do? And what's the time people at which we might see some visibility on that?
AmirAli Talasaz
executiveWe have some actually great conversation with American Cancer Society already. We continue the collaboration and conversation with them. We expect to see some kind of movement by American Cancer Society in 2025. And getting these kind of wins by guidelines are important in terms of getting some kind of coverages by commercial payers over time. Interestingly, there are a few states in the United States that have state-level mandates for local payers to cover colorectal cancer screening tests, which are included in American Cancer Society guidelines that's why this ACS guideline could be a very interesting upside for us in terms of improving ASP over time. And ultimately Task Force. So we are excited with some of the progress that we are making in terms of publishing the some additional evidence around Shield, around improved adherence in terms of also improved life year gains and outcome benefits once Shield is getting utilized in terms of some of the publication we had earlier this year in randomized studies that once Shield is incorporated into a health system, the rate of cancer screening has gone up significantly. So we are making all these progress and looking forward to go through the review cycle by Task Force.
Daniel Brennan
analystGreat. And then maybe just on post-approval studies, what's kind of planned or is there anything that the FDA is asking for specifically for you, whether to establish more about the compliance rate of Shield and/or the interval, even though the FDA doesn't really normally weighing and did come up with the AdCom. So just wondering what are the plans for post-approval studies.
AmirAli Talasaz
executiveYes. The high level, that's study has been agreed upon. It's very in line and very similar to the post-approval study that Cologuard test needed to go through about 10 years ago. So it's in line with that. Nothing specifically stands out. It's basically study that would show the longitudinal performance of Shield when it gets used on every triennial basis and so forth. So yes, it's going to be good to say for us. It's a very long-term study though, like it's going to take many years to get to that and find out that state.
Daniel Brennan
analystMaybe one more, if I could. Just I know you've set some long-term targets for Shield at the Investor Day. Could you just remind us about how we should be thinking about kind of the long-term opportunity and kind of what the ramp looks like as we kind of move forward over the next few years?
AmirAli Talasaz
executiveYes. I think, some of the short-term kind of guidance. We need more time to set some of those guidance and update to you guys. Some of it is going to be in terms of the early guidance of factor would be what kind of a gap fill rate we are going to get from Medicare. That would be short-lived. But in terms of just the very early days of Shield that would impact our ASP. As we go to 2025, we continue to expect the financial targets that we communicated before. The blended ASP of about $500 getting to breakeven gross margin and then in 4 years in 2028, we are more confident than before to get to this $500 million annual revenue, which continues to grow very strongly after that. This market is very deep and to get to about $1 million annual testing opportunity when there are 50 million unscreened patient population, we believe there is a big opportunity in front of us.
Operator
operatorThe next question comes from Doug Schenkel from Wolfe Research.
Douglas Schenkel
analystAnd congrats another huge achievement in the liquid biopsy space, where you've clearly been a pioneer in advancing products like this first in therapy selection and now in screening. A couple of questions. First, just doing some, I guess, level setting on assumptions. Is there any change in how you've previously talked about pricing and ASP expectations for Shield and then kind of building off of that. From an expectation standpoint, are you still thinking USPSTF is kind of 2026, 2027. So those are the assumption questions. And then there was an earlier question on sales force ramp. I know you're not getting real specific on the size or the trajectory of the sales force. But I'm curious if you'd be willing to comment on the importance of building that sales force fairly quickly. I'm just thinking of how dependent this market has traditionally been on promotion and also the need to probably counter detail a larger existing sales force when it comes to the message on label.
AmirAli Talasaz
executiveYes. So thank you very much for this appreciation, Doug. So in terms of the ASP assumption and the guidance, as I mentioned earlier, we continue to believe the targets that we now set for a few quarters now still holds up, and we are more confident than before to achieve them, about blended $500 ASP in 2025, powered by getting favorable ADLT pricing for Medicare. Then in terms of actually sales force, we are on track to have about 100 people in the field by end of the year to support this IVD launch. Our plan for expansion of the commercial team is also, as we said before, by end of this year, we are going to have 100 people, by end of next year, probably around 100, 150 people in the field. And as we get closer to the Task Force, we are going to have about 300 people in the field. In terms of counter detailing, like this is a competitive market. Well, actually, we had a lot of interesting insight from last 2 years that we are in the market selling Shield LVT. Our Shield LVT has been getting countered detailed. We know the messaging, the messaging that works. And the reality is, again, there are 50 million unscreened patient population. So yes, 7 out of 10 people who are getting tested it, still they are not interested to do stool testing anymore. But the reality is the biggest piece of pie for us is a part of the market which has not been accessible for stool-based testing and not accessible for colonoscopy because we have issues with colonoscopy in terms of capacity and hesitation of the patients to complete them. So we are going to continue to execute based on that commercial road map that I mentioned earlier. Timeline for USPSTF, we are going to monitor to see how the early topic review is going to pan out, but the bold assumption would be USPSTF by end of 2026, if not very shortly after. I think the first thing that we are going to see is their draft research plan. And once the draft research plan gets published, I think we're going to have better visibility over the timing of Task Force, but there is no signal that we got from anybody that tells us the Task Force is going to have a delayed review process. So -- but we'll see how it's going to turn now.
Operator
operatorThe next question comes from Jack Meehan from Nephron Research.
Jack Meehan
analystThanks for the update this morning. I was wondering if you could talk about investment plans for the screening business. I was wondering if you could confirm, I guess, the $175 million you talked about previously for this year and $200 million thereafter. Does this label or update change any of your spending plans for the business?
AmirAli Talasaz
executiveNo, same as before, in fact, getting to these kind of approvals, certain milestones for us, that if we were meeting the milestones, we would continue the investments on building this brand. We mentioned getting to this FDA approval is a milestone for us. Our guidance for the remainder of the year continues to be the same, that $175 million. And for next year and years following, it's that approximately like $200 million investment. So it's the same. Again, this approval is not the last milestone. We're going to be -- we are going to continue to be very disciplined on our investments around Shield and as long as we are meeting from now on, our milestones around ramp, volume ramp, revenue and reimbursement catalysts, we are going to continue this level of investment, which we believe we have a very, very good shot at meeting these milestones, but still, we have to execute that perform. So -- but there is nothing in this approval that would tell us we need to increase our investments or spend. In fact, we are -- as I mentioned earlier, we are very excited and more confident than ever about what we can achieve with this level of resources and investments.
Jack Meehan
analystRight. And then one follow-up, just I was hoping you could elaborate a little bit more on the Medicare coverage process. So you have the existing NCD out there. Just remind us like what needs to take place for Shield to be included as part of that?
AmirAli Talasaz
executiveYes. So this FDA approval was the last thing we needed to be covered by CMS. So right after we launched Shield IVD, any of the claims which are associated with Medicare Part B are going to be directly covered. It's going to take us some time to establish pricing from and get that pricing from our local MAC, but we are going to peel back to the date of FDA approval and IVD launch and all those claims would be eligible for coverage. In parallel, we are going to pursue the ADLT status, as I mentioned earlier. That's it, independent parallel activity that we are going to do.
Operator
operatorThe next question comes from Dan Arias from Stifel.
Daniel Arias
analystCongratulations. AmirAli, maybe just sticking with payer step here now that you have the approval what are the expectations around other reimbursement and payer contracts? I think some of that is probably tied to USPSTF, but you guys had talked about the chance to get on the board with some coverage at the state level, maybe ahead of the guidelines. So curious what you're thinking there.
AmirAli Talasaz
executiveYes, sure. So we continue to expect ACS guidelines sometime in 2025. That would activate some of the state level coverage mandates that I talked about earlier. We're excited about that. And then the rest, actually, we are in our financial planning, we don't have any kind of assumption in terms of getting private commercial coverage before Task Force guideline inclusion. If anything happens, it would be an upside for our planning. So the rest of the coverage we are assuming to come after Task Force guideline inclusion.
Daniel Arias
analystOkay. And if I could just maybe stick with this idea here and just revisit the idea of reimbursement aligning with whatever the USPSTF does when they come out with their guidelines. You've said that you think you will get the 3-year designation. And you said that if you don't, and it's 1 year, then that's a good thing, because you run more tests, which makes sense. But I just want to square that away with payment by CMS every 3 years for their current policy which seems like it can leave two of every three tests currently not being paid for. Do you need CMS to revise that policy? Is that something that you think could happen? How would the economics work under that scenario? If you could just sort of refresh the thinking there, that would be great.
AmirAli Talasaz
executiveYes, good question. I think, the reality is some of these major coverage policies would really sets the practice of medicine too. So CMS with triannual kind of a coverage policy that they have now, in fact, it's not going to be very straightforward work for us to give access to Medicare beneficiary patient to get tested more frequently than every 3 years. So effectively, it's kind of generate some kind of boundaries of how much the patients would get access to this healthcare service. So it would be every 3 years, not more, not less, because we cannot offer free testing for providers outside the coverage policy. So that's why these payers and especially CMS really sets precedent in terms of how the practice of medicine would be and manufacturers like us need to stick to them. So in terms of now scientific and clinical argument based on everything that we are seeing since we have a very high performance in detecting Stage 2 and above, looks like using Shield on triannual basis, has the optimum utilization of this service in terms of risk of doing excess colonoscopy on the false positives versus benefits of finding these colorectal cancers. So we continue to be in agreement with CMS coverage policy that the right utilization of this test should be every 3 years, and that would be our initial recommendation, but we are going to continue to work with guideline bodies to see how KOLs and different guidelines would think about the best utilization of Shield and [indiscernible]
Operator
operatorThe next question comes from Kyle Mikson from Canaccord.
Kyle Mikson
analystCongrats. I want to go back to the other timeline for the post-approval study. AmirAli, you said, that would be similar to Cologuard. So that was 2015 to 2020, 5 years. I think like you did that kind of a timeline, it wouldn't be -- you wouldn't have the data in time for the U.S.A CFR view in '26 or '27, it just sounds like this triennial kind of interval data would be credible for that label that kind of -- what's kind of put out there? So -- is there a way for that to be like an interim readout that could be used for USPSTF? And also maybe like another way to think about it would be could this PAS be shorter, maybe than the Cologuard study getting the Shield, the blood-based workflow is actually more streamlined and faster than the stool based workflow.
AmirAli Talasaz
executiveI think, I invite you guys to think about it with a different perspective, right? So our recommendation would be utilization of Shield on every 1, 2, 3 years, CMS is every 3 years. And I think what we are hearing from KOLs in the field, everybody is appreciating this major problem of unscreening and the fact that the rate of screening has not gone up as anybody expected in the fields, with the options that have been available so far during the last 10-plus years. So I expect when the guidelines on USPSTF and ACS look at it, in fact, they would have a favorable perspective of giving this option of blood testing to patients, especially the onscreen patient population and starting that axis and just see over time how the additional clinical evidence would follow, I think that's very similar to what happened with other tests like the USPSTF went with the manufacture recommendation every 1 to 3 years testing. And at this time, based on all the data that we have on the performance that we see our recommendation would be the same. So we are excited to get to those days and go through distribution cycle with Task Force. But again, if you look at it with this perspective that 76% of CRC test is in unscreened patient population. We are talking about 50 million people that we need to screen them. And at the end, the best screening test is the one that gets done and gets completed by the patient. To me, it's very straightforward of what guidelines should do, but we'll see over time how it's going to work out.
Kyle Mikson
analystAll right. That makes sense. And then just one on kind of the reimbursement situation. So just given, I guess, it's immediate with CMS here. Just maybe just talk about what the capital rate could be and how that can be calculated. I know you talked about some ASP assumptions, but like discount documents, that would be interesting. And then maybe if you could just talk about like how much of the Shield volume to date has been covered by that Medicare entity or would have been covered by the NTV?
AmirAli Talasaz
executiveYes, I think you have to wait, it's, kind of, interesting kind of a process with some proprietary algorithm that local MAC have, which, frankly, I'm not sure we took multiple products through that kind of a pathway. And if you tell us exactly how that pricing works, it's kind of some aspects of even we don't understand. So it's hard to predict what would be the gap filled pricing for Shield. But again, it's going to be short-lived. We are expecting this ADLT status sometime in 2025, and we know how ADLT pricing would be, that one we have experience. We have track record. We know how to do it, and we can set the right expectation how that ADLT pricing would be, which is going to be based on our cash pay price. What else I missed? Was there anything else or that [indiscernible] Maybe that was it.
Operator
operatorOur next question comes from Subbu Nambi from Guggenheim.
Subhalaxmi Nambi
analystIn response to Tejas's question on V2, you said performance will get better and indication gets expanded. Could you elaborate on what indication expansion would mean given it is first line already? And then I have a follow-up.
AmirAli Talasaz
executiveYes. Yes. Thanks for asking that important question. It's very hard to expand this CRC indication anymore because it's for 120 million people and high-risk people it's very high bar to expand indication to screen high-risk individuals, the only methodologies at this time colonoscopy and it's very hard to have an alternative for that. CRC indication is this. This is the broadest any test can get for average risk screening when I mentioned indication expansion, I meant beyond CRC. As you know, we are working on some other cancer screening indications. We have an ongoing screening trial around lung cancer. We are working on multi-cancer detection as additive to the current Shield IVD, which at the right time, we would continue to update the investor community about the progress we are making on non-CRC front.
Subhalaxmi Nambi
analystThat makes so much more sense. Last week, you published a paper on the CAN-SCREEN model. But the blood test metrics was what CMS said. In the AdCom though, you had data on Shield's performance in the same exact model. Should we expect you to publish Shield specific data? And how should we think about this in relation to the ACS guideline or USPSTF guideline inclusion?
AmirAli Talasaz
executiveYes, I think you can expect to see some of our modeling results get published in peer review journal before end of the year. And I think interestingly, even for some other modeling results that have been published, I think nobody debates that health outcome benefit of Shield is very high, for screening unscreened patient population. I think there is still some residual debate on Shield versus, for instance, FIT testing in terms of cost effectiveness. From our perspective, it doesn't need like very complicated modeling exercise to show like if you can be as cost-effective as a $5, $10 test for colon cancer screening. What we are doing with blood is more expensive for us to run those kind of highly innovative, sophisticated assays. But that's what we need to do to really bring these unscreening patient population around the table and screen them. So -- but very excited to, hopefully, by end of the year, put some of our outcome models in the -- in some period review turnout to.
Operator
operatorThe next question comes from Eve Burstein from Bernstein Research.
Eve Burstein
analystGreat. One question on Medicare coverage, just following up on Jack's question from earlier. You guys said that FDA approval was the last step that you needed to meet the requirements for Medicare coverage. And my understanding was that way back in the day when Medicare looked at Epi proColon, they said, they paid for test with specificity greater than or equal to 90%. And maybe we're totally splitting hairs here since Shield specificity rounds up to that number, but it's still slight under that. So can you just clarify, have there been updated conversations with Medicare, other developments that, that clarify and really give you confidence that you will, in fact, be getting this coverage? Or is there any remaining risk here, however, small?
AmirAli Talasaz
executiveYes, there is no risk. We've been in conversation with the CMS team and we kind of posted and keep them informed about all the progress that we made and the data and where we are with the FDA, and they've been looking waiting for us to get to this moment of FDA approval too. That 90% specificity, keep in mind, is specificity for negative colonoscopy or what's known in the field of specificity of Category 6 when you exclude any adenomas in specificity calculation and the bar that they referred to in MCD was 89.8% of what Cologuard had and our category specificity is in fact, 89.9%. So we are very confident that we are meeting all the performance criteria. We just needed to get to this point of FDA approval, which is what we achieved right now. So, yes, there is no risk that we are aware about that Medicare coverage.
Eve Burstein
analystGreat. That's good news, and thanks for the clarification. One follow-up, just how to think about '24. So clearly, this is great news going forward, but could there be any financial headwinds in the back half of '24 from this? And I say that because you scaled up your sales force, you get a bump from FDA approval on utilization, but you're still going to get backfill pricing, which is presumably worse than what you'd expect from ADLT. So if your utilization goes up, could that impact be a headwind for the company in the back half, more so than you expected going into the year?
AmirAli Talasaz
executiveSo maybe I'll start and if Mike, you want to add anything, please feel free. So in our guidance, actually, we said in that $175 million burn for Shield, we considered all the stuff that could happen. And that's the way we set the guidance. So, no, I think we believe for Shield and screening that $175 million burn, considering the Shield volume ramp, the dynamics of gross profit and stuff all are included. Mike, do you want to add any additional color?
Michael Bell
executiveYes, there's not much more to add, but I would say, yes, I mean, we've looked at all of those scenarios. I think we're very confident with the $175 million burn that we've previously guided. And our assumption has been very, very limited reimbursement in the back half of the year. We're really looking at 2025, when the revenue really kicks in. So I think yes, we're pretty confident with the guidance that we've got, and we don't really see any headwinds.
Operator
operatorThe next question is from Kayla Hostetler from Jefferies.
Kayla Hostetler
analystI kind of touch on the recent cost preparation stuff, which essentially defunded AHRQ, which funds USPSTF. I understand that fully defunding USPSTF is highly unlikely, and it will likely get funded this from auction, but it doesn't. What are the guideline groups should we be looking to that could hold some influence to USPSTF over time?
AmirAli Talasaz
executiveJust to make sure I heard the question right. Who can have some influence on the USPSTF. Your mic was not very clear. That was the question?
Kayla Hostetler
analystSorry, if USPSTF were to get defunded, which guideline group should we look to?
AmirAli Talasaz
executiveSo actually, if the USPSTF have completely get defunded, I think the whole prevention medicine services of this country is going to be into some problem. But always HHS, if the funding comes from HHS and it's kind of minimal budget, but it's a much, much bigger issue than like what we are talking about this year. And the reality is throughout the last 2 years of congressional efforts that we have done on the heel, Task Force has a very high degree of visibility, I can say, from both sides of the aisle. But we'll see how some of the budget dynamics would work. But like -- if the whole prevention medicine and vaccination and mental health and other cancer screenings get into the question, then yes, I think we're going to issue. But finding $10 million, $11 million to keep the USPSTF active, I think, should not be a material issue.
Operator
operatorThe next question comes from Andrew Brackmann from William Blair.
Andrew Brackmann
analystMaybe just back to some of the reimbursement discussion related to Dan's question. And then just assuming that private payers do take a while to come on board, I think some others in the space have shown that there could be a lot of brand damage that happens the patients get a large bill in that sort of time period before coverage occurs. So can you just talk about some of your plans to ensure that those patients who might not have coverage for a few years do have that good experience and then sort of that negative perception with the bill doesn't [indiscernible]
AmirAli Talasaz
executiveYes, we are going to actually be very transparent and open with both physicians and patients about the area that this test is covered for and the areas that it does not have coverage. So both patients, physicians can make the right decision of the utilization of this test. Also, where appropriate, we have financial assistantship programs at Guardant that would kick in for some patients who meet the criteria for that financial assistantship program. And general trough, I think many years of being a commercial organization dealing with these reimbursement matters, I think, I have good experience of how to deal with these matters. But yes, I think the reality is patients at age 65 and above, all have access to this test, especially Part B with $0 out of pocket and younger patient population, 45 to 64, the access would be more limited. So, that's why we are going to continue to generate awareness and work with guideline bodies to make sure we generate equitable access at the end of the day for everybody who can benefit for this test but it's going to take us some time to get to those milestones.
Operator
operatorThank you. The next question comes from Sung Ji Nam from Scotiabank.
Sung Ji Nam
analystCongrats on the approval. Just one question for me. I was curious about the four vials that you guys currently collect for the testing. I know that kind of came up on the AdCom meeting as well. Just kind of curious, I know you don't require all of them. So I was wondering if you saw any push back while you were, while this is available as an LDT and whether kind of in the future, there might be a possibility of being able to collect fewer vials.
AmirAli Talasaz
executiveYes, good question. Actually, in the real world, we did not see any kind of issue that got escalated that this blood is generating a barrier for adoption of this test. We haven't seen that issue. Interestingly, the test just needs two tube of blood. So if in terms of customer experience, we get to a point that just going back to 2 tubes makes more sense, it would be an easy transition for us. The reason we are getting 4 tubes is for some minor cases that there is some kind of a quality issue or lab failure. We have additional blood sample already in the kits that we can rerun and effectively finish the screening journey, not the journey screening test of that patient with Shield, instead of asking for a redraw, like as I mentioned, test just requires 2 tubes of blood. And so far, we haven't seen any issue with 4 tubes.
Operator
operatorThe next question comes from Patrick Donnelly from Citi.
Patrick Donnelly
analystObviously, a lot of ground covered on the USPSTF piece. But just curious, I guess, in terms of your kind of diligence that you guys have talked to experts on this and as you look at it, how do you expect some of that precaution piece on Stage 1 and AA to come up with the USPSTF and just maybe bracket how you expect that discussion to go and any impact it could have, would be helpful.
AmirAli Talasaz
executiveYes, sure. So actually, the way we look at it is USPSTF always look at the totality of the information, the reality that blood is a unique option, the reality that we have data, and we are going to have more publication over time that adherence rate with blood testing is high, we have randomized study that when health systems incorporate Shield blood testing, the rate of screening goes up by about 2.5x. We have any JM publication, favorable Adcom for voting and briefing documents. Some results, published results around health outcomes life here again when we screen unscreened patients with Shield. I think we believe they are going to continue to look at the totality of this information. Again, that precautionary language that we have in our label, it's just back sharing and those facts are facts of Shield like we have the performance of Stage 1, or what we have Stage 2, Stage 3, Stage 4. Our tests has limited performance in AA. So I think all that is the reality of this test that highlight it as a precaution or just be part of just the test results. That's what it is. And we've been in conversation with some of our adviser, former Scientific Director of Task Force, and we continue to be confidence and optimistic of how they should look at the Shield, but we have to go through that process. One thing that I mind you since I got this question on Task Force multiple times today. Task force is a major catalyst. But just in Medicare patient population, that size of the market by itself is very big, like there are 25 million Medicare beneficiary, which are unscreened or getting -- or 25 million Medicare beneficiary who are not doing colonoscopy right now, 25 million. That's 8 million annual testing opportunity just for Medicare beneficiary. So we have a lot of greenfield in front of us, a lot of business to mind, while we get to the expansion of coverage to younger patient population. So let's keep that -- let's have the right perspective on the opportunity in front of us.
Operator
operatorThe next question comes from Vidyun Bais from BTIG.
Vidyun Bais
analystThis is Vidyun, and I'm for Mark. So I think, I heard the expectation for ADLT status in 2025, I think we've seen companies secure ADLT in as literally 6 months. So just any more granularity you could provide if that's front or back half of 2025? And if we could also dig into what the economics look like? Thanks.
AmirAli Talasaz
executiveBased on the process that we have experienced with and it's kind of a quarterly process that we have to go through, we believe 2025 is the right time frame to set the expectation without ruling out earlier kind of progress on that side. But mid-2025, I think, is right expectation to get to that point. Economics, since it's going to be based on our cash pay price, it's kind of simple in earlier stages. And after that, it would be based on PAMA rate. And our cash pay price is what we have for Shield. So I think that's what we expect and what the way ADLT process works is very predictable of what the ADLT pricing would be. So that would get activated sometime in 2025.
Operator
operatorOur final question today comes from Andrew Cooper from Raymond James.
Andrew Cooper
analystA lot already asked. So maybe just one kind of simple one for me. Just, anything in terms of that transition from LDT to IVD as we think about the immediate term? And then, when should we think about you really unleashing that sales force that you have kind of at present, push or press harder when we know you sort of had the -- not impressing on the accelerator as hard as you could have, and is there any cash flow dynamics to think about even on a quarterly basis in terms of when you get that GAAP fill rate and when the cash actually starts to flow in the door versus when volumes could be lifting and you see some of the costs?
AmirAli Talasaz
executiveYes. So we are expecting this commercial launch to happen in near future. There are some work that we need to do internally in terms of transitioning some of the software and some of the reporting from an LDT configuration of the tested IVD configuration and so our commercial facing material needs to change. So there are some work that we have to do, but that launch date would be near future, and we would keep you guys posted once that launch has happened. Once we launch Shield IVD, we are going to try to accelerate volume as quickly as we can. So with some early emphasis around Medicare beneficiaries since we are going to have favorable P&L for Medicare testing, and we go from there. So that would be our plan. In terms of the sales force, the people that we have hired and trained, they're ready to go right after we launch the IVD test.
Operator
operatorThank you. That does conclude our Q&A session for today. So I'll hand back over to you, AmirAli, for any closing remarks.
AmirAli Talasaz
executiveI think that's it. Thank you very much for your time. We are very excited with this milestone that we have achieved and looking forward to saving many, many lives and launching this product in the near future. Talk to everybody soon. Bye.
Operator
operatorThank you, everyone. This does conclude today's call. Thank you for joining. You may now disconnect your lines.
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