John West
Analyst · Morgan Stanley. Please go ahead
Thank you, Caroline. In Q3, all of our revenue came from our oncology business, which was up 73% over the same period from the prior year. Going forward, we expect the centerpiece of our oncology business to be our MRD test, NeXT Personal. Given its importance for our future and the progress we have made since Q2, I will focus today on this revolutionary new platform. I believe that NeXT Personal is the most sensitive and most richly informative cancer MRD test in the world. Although we see a lot of potential for this platform and advanced pharmaceutical clinical trials and that adoption has already begun, this platform is ultimately intended to provide key information for oncologists to use in making decisions for the treatment of individual cancer patients. When we began the development of NeXT Personal, we completely rethought what was needed. While other MRD platforms detect cancer recurrence earlier than radiology, we believe that was not good enough. Patients being monitored with first generation MRD assays often received negative results for a year or more only to have the cancer eventually rise again above the limit of detection. During that initial year, the patient actually has cancer, but the test is not sensitive enough to detect it. We asked ourselves what sensitivity would it take? Using published data from earlier technologies, we extrapolated back to the point just after surgical resection and calculated what level the tumor signal and the blood plasma might have been. In one case after another, we found that sensitivity at a part per million should be able to make the detection. Detecting tumor DNA and blood plasma at a part per million is a daunting challenge, requiring a sensitivity improvement of as much as 100 fold. Sequencing the blood plasma more deeply will not help, because there are only a few 1000 copies of the genome in a typical plasma sample. To detect the cancer signature at a few part per million requires at least a few million molecules, each spanning unknown tumor mutational signature. We realized that we would need to combine the signal from over 1000 different positions in the genome and sequence a few 1000 unique molecules at each of those to amass the data required from a few million total molecules. It is not easy to find thousands of mutations in a single tumor sample. From our experience, sequencing tens of thousands of cancer exomes, we knew that would not be enough. According to the American Cancer Society, by far the largest number of cancer survivors people at risk of cancer recurrence are those who have had breast or prostate cancer. Those two cancer types, in particular, have low rates of tumor mutation. We realized that the only way to consistently identify the thousands of mutations we needed from these cancers was to use whole genome sequencing of the tumors. Personalis first worked on this problem and filed our foundational patents about a decade ago. At that time, deep whole genome sequencing was very expensive, but we believe the cost would come down. Over the years, we also drove down our own cost of whole genome sequencing by the automation and optimization that we implemented sequencing whole human genomes for the VA Million Veterans Program. Personalis has now sequenced over 150,000 whole human genomes a number that we believe is more than any other for-profit U.S. company. We have leveraged this experience to pioneer whole genome tumor informed MRD testing and achieve our goal of part per million sensitivity. When we planned our MRD test, sensitivity was not the only dimension we re-imagined. While sensitivity is essential for the initial detection of cancer recurrence and an MRD test can be used to monitor the growth of the recurrent cancer, just monitoring on its own is not good enough. Physicians will need information about a recurrent cancer to decide how to fight it. For example, what would be the best first line therapy? Is the patient responding to the first line therapy? Is the tumor developing resistance to the therapy? And if so, what options are there for second line treatment? Is the cancer detected even a recurrence at all or could it be a new cancer with different characteristics from the original? To help physicians fight recurrent cancer and frankly to deserve ongoing test reimbursement after a recurrence has been detected, we realized that integrating tumor characterization capabilities into our test could make an MRD result much more actionable. To address the questions just mentioned, in a sensitive MRD assay, we pioneered a method to combine tumor agnostic content, which is the same for every patient with tumor informed content, which is different for every patient in a single assay. Our software combines these two data types and we synthesize all of this content together in a custom assay designed for each patient. Presentations about MRD often focus on detection of recurrence after surgical resection and that is a huge need. But metastatic patients can also benefit from a sensitive MRD assay. This may seem counterintuitive, since metastatic cancers can be much larger than early stage cancers and shed much more DNA into the blood plasma. What we and others have found though is that the amount of tumor DNA in a patient’s blood plasma can drop dramatically in an initial response to therapy. It can fall by more than a factor of 100 in just a few weeks. In one published study using an earlier technology, patients responding to immunotherapy fell below the limit of MRD detection and stayed there, sometimes almost 2 years before regrowth of the cancer finally brought the MRD signal back above the limit of detection. Just as in the case with surgical resection, the patients had cancer the whole time, but the MRD assay was not sensitive enough to detect it. In the advanced diagnostics field, to help talented leaders often are drawn to what they perceive to be the next big opportunity. In planning for our diagnostic business, Personalis has recruited new leadership in medical affairs, clinical development, reimbursement, diagnostic sales, marketing, lab operations, and general management. As we have recruited, our advanced MRD platform, NeXT Personal, has been an amazing magnet, drawing some of the best talent from leading companies across our industry. While it is a broad group, I would like to highlight in particular, our recent addition at Chris Hall as Senior Vice President of our Diagnostic business. From 2010 through 2019, Chris progressed from Chief Commercial Officer to COO, and ultimately President at Veracyte. For almost a decade before that, he held leadership roles at Berkeley HeartLab, which was acquired by Celera Diagnostics. This is a great addition to our senior management team. Welcome, Chris. Like top management, key opinion leaders in our field are also attracted to transformational new technologies. Over the last year, we have found KOLs to be increasingly drawn to our NeXT Personal MRD platform. We have signed and are executing on a growing set of collaborations and expect to be testing thousands of plasma time points across many different cancer types and stages. We expect to announce more of these collaborations in the coming months. Quite a few of these collaborations involve sets of longitudinal patient samples, which have been collected over many years. We anticipate that data from these collaborations will lead to important publications and conference presentations in 2023. We expect these publications to lay an important foundation for our future reimbursement applications. Initial data from our collaborations is beginning to be generated and the results show exactly what we anticipated. We see patients whose entire MRT MRD trajectories for below the limits of detection of earlier technologies at which we can detect with our part per million sensitivity. In some cases, tumors appear to be beginning the process of escape from immunotherapy that at a level that would not normally be detected yet. We also see mutations which indicate that if immunotherapy does fail, targeted therapy could be a second line possibility. In addition to academic and non-profit KOLs, we should have seen early pilots in pharma now lead to larger scale adoption. Two pharma have placed orders over $1 million each. We have seen that interest in our platform is growing at pharma in the United States, Europe and China. Notably, we see a growing interest in the use of NeXT Personal in clinical trials of personal cancer vaccines and other personalized neoantigen targeted therapies. Personalis has worked with the majority of companies in that field since 2016 and although early clinical results were challenging, more recent results seem to be rekindling interest and investment. Long-term, we expect the largest market for our MRD test to be in clinical diagnostics and plan to launch it as a lab developed test or LDT in 2023. We have been building a commercial team to support that and now have regional sales leadership all across the United States. We launched the latest LDT version of our NeXT Dx Test in late September and have an initial flow of orders and are beginning to invoice payers. We anticipate a MolDx submission in early Q1 and are optimistic that we will receive initial approval in Q2. Looking to the future, we predict diagnostics as our largest opportunity and our MRD platform, NeXT Personal, as the centerpiece. In it, we are pioneering personalized diagnostics, designed and synthesized individually for each patient at a level we have never seen before attempting. Each test targets over 4,000 genetic loci and over 2000 of those are personalized to the patient being tested. The mutations which cause cancer are personal and the fight against the cancer is also a deeply personal one. Appropriate to our company name, Personalis, we are now creating cancer diagnostic tests, which are highly personal as well. Given the importance of this strategy to our future, we have initiated an evolution of our company brand as we enter into the clinical market. Please join us at the SITC conference in Boston next week for our first preview. Given its strategic importance, I have focused so far today on our MRD assay, NeXT Personal and the launch of our diagnostic business to support it. Before I hand this over to Aaron for our financial results, I’d like to mention three other areas of progress. First, in Q1, we recognized approximately $1.5 million of revenue from an exome-scale liquid biopsy project for a leading global pharmaceutical company. Interestingly, as we work with KOLs on our MRD test, NeXT Personal, we find they often ask to combine its deep sensitivity with the breadth of our liquid biopsy exome test at select time points and our tissue-based ImmunoID NeXT Platform as a starting point. Second, in September, we were awarded an exclusive 5-year contract and an initial $10 million order from the Veterans Administration Million Veterans Program. Personalis has been the sole provider of whole genome sequencing to the VA MVP for 10 years. The VA MVP has also begun to enroll veterans into the program once again after a break during the pandemic. And they are now up to approximately 900,000 enrollees, with a stated goal of enrolling the 1 million veterans in 2023. After the contract was awarded, we were notified that the contract is under protest by a competitive bidder. Assuming a favorable outcome, we expect to begin receiving samples within a few months and we expect to recognize revenue from the most recent order in the first half of 2023. Third, I want to briefly comment on the exciting wave of breakthroughs in DNA sequencing technology that have been announced this year and how that can help Personalis drive costs lower in the future as we run very large assays. We have mentioned being an early access customer of Ultima Genomics, which is at the forefront of realizing the $100 genome. In addition, Illumina recently announced their NovaSeq X Plus sequencer that will have twice the throughput of the current NovaSeq platform at an approximately 60% lower cost per base. We have placed one of the first orders for our system so that we can test and evaluate it once it becomes available. This matters because most Personalis products are large scale, using either deep exome or whole genome sequencing. We built our platform expecting that the throughput and cost of sequencing will decrease over time. As that happens and because of the size of our platform, we think we can benefit more than other companies with products that use much less sequencing than ours. New sequencing platforms focused on high throughput at lower costs potentially give us opportunities to reduce the cost of our large assays and they are an important part of our plan to improve our gross margins. In summary, we see our MRD test, NeXT Personal, which takes the personalization of cancer diagnostics to a much more advanced level as patients and oncologists will want to see the best test to actively manage their cancer. We believe that we have the best MRD test for the clinical market and that is why we believe we will win in the marketplace. It will build on the base we have built with our pharma and other customers and is beginning to take off with customers, new company leaders and KOLs. We have a strong balance sheet to support this and look forward to telling you more in the quarters to come. With that, I will now hand it over to Aaron for our financial results.