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Earnings Call Analysis
Q2-2024 Analysis
Ionis Pharmaceuticals Inc
In the second quarter, Ionis earned revenues of $225 million, with the first half of the year totaling $345 million, putting the company on track to meet its 2024 financial guidance of more than $575 million. Revenue from SPINRAZA royalties was significant, amounting to $57 million in the second quarter and $95 million year-to-date, highlighting a 25% increase in product sales between Q1 and Q2 .
Ionis is gearing up for multiple commercial launches. The company is investing in the independent launches of olezarsen and donidalorsen, as well as the ongoing launch of WAINUA in collaboration with AstraZeneca. The SG&A expenses for these preparations increased by 46% and 31% in Q2 and the first half of the year, respectively. The field organization and commercial team for these launches are actively building relationships and educating healthcare professionals .
R&D expenses remained relatively stable, indicating efficient use of resources. Ionis has several exciting prospects in the pipeline, including a potential $30 million milestone payment from AstraZeneca contingent on EU approval for WAINUA. The company has been conducting advanced studies for multiple programs, like olezarsen and donidalorsen, which are expected to deliver substantial outcomes and become blockbusters in their respective fields .
Ionis projects an increase in full-year 2024 operating expenses by a mid- to high-single-digit percentage, driven by sales and marketing efforts for upcoming launches. The company is also on track to end the year with $1.7 billion in cash, allowing it to continue investing in late-stage programs and upcoming treatments. Ionis is focusing on scalable commercial capabilities to support broader patient populations and substantial revenue potentials from new medicines like olezarsen and donidalorsen .
For the second half of 2024, Ionis expects total revenue to be slightly lower compared to the first half, with a revenue tilt towards Q4. This prediction factors in increasing commercial revenue from newly launched products and increasing SPINRAZA royalties. However, the company anticipates lower R&D revenue due to the fluctuating nature of collaboration milestones. Ionis remains optimistic about achieving its full-year financial targets as well as major upcoming events, including the December PDUFA date for olezarsen .
CEO Brett Monia emphasized that Ionis is at an inflection point with several near-term commercial opportunities and an advancing pipeline of potentially transformational medicines. The strategic investments made thus far are expected to unlock significant value and lead to strong revenue growth and positive cash flow in the foreseeable future, benefiting all stakeholders involved .
Good morning, and welcome to the Ionis Second Quarter 2024 Financial Results Conference Call. As a reminder, this call is being recorded.
At this time, I would like to turn the call over to Wade Walke, Senior Vice President of Investor Relations, to lead off the call. Please begin.
Thank you, Danielle. Before we begin, I encourage everyone to go to the Investors section of the analyst website to view the press release and related financial tables that we will be discussing today, including a reconciliation of GAAP to non-GAAP financials. We believe non-GAAP financial results better represent the economics of our business and how we manage our business. We've also posted slides on our website that accompany today's call.
With me on this morning's call are Brett Monia, our Chief Executive Officer; Richard Geary, Chief Development Officer; Kyle Jenne, Chief Global Project Strategy Officer; and Beth Hougen, our Chief Financial Officer. Eric Swayze, Executive Vice President of Research; Eugene Schneider, Chief Clinical Development Officer; and Jonathan Birchall, Chief Commercial Officer, will also join us for the Q&A portion of our call.
I'd like to draw your attention to Slide 3 in our presentation, which contains our forward-looking language statement. During this call, we will be making forward-looking language statements that are based on our current expectations and beliefs. These statements are subject to certain risks and uncertainties, and our actual results may differ materially. I encourage you to consult the risk factors contained in our SEC filings for additional detail.
And with that, I'll turn the call over to Brett.
Thanks, Wade. Good morning, everyone, and thanks for joining us on today's call. We've achieved a great deal during the first half of this year, delivering many significant milestones as we continue to execute on our vision to bring better features to people with serious diseases.
Today, Ionis discovered and developed medicines reaching more and more people, bolstered by 2 recent launches, WAINUA for hereditary ATTR polyneuropathy in the U.S., and [indiscernible] treatment for a genetic form of ALS currently available in the U.S. and an available in Europe. And with the progress we're making across our plant, our medicines are well positioned to continue reaching more in our patients for years to come.
The U.S. launch of our first Ionis co-brand medicine WAINUA is progressing well with AstraZeneca, and we expect to bring WAINUA to even more patients across the globe with the recent approval in Canada, and anticipated approval decision in Europe later this year and with additional regulatory submissions completed in many other geographies more coming.
Today, we are even more confident in the potential of WAINUA to address the larger ATTR cardiomyopathy population. As the largest study ever conducted in this patient group, our ongoing landmark Cardium trial is on track to deliver the most comprehensive and the most robust data set in this patient population. We believe WAINUA has the potential treatment of choice for the global ATTR population.
Our confidence is based on WAINUA's strong efficacy profile as demonstrated in hereditary ATTR polyneuropathy and the freedom of simple at-home self-administration together with AstraZeneca's global cardiovascular commercialization leadership, along with our leadership and ATTR analysis. As the renewal launch accelerates, we're also pairing for the launch of olezarsen in FCS later this year, our first pending launch of a wholly owned medicine for Ionis.
Olezarsen represents one of the most meaning opportunities in our pipeline today as we prepare to first launch an SCS, a severe rare disease with no approved treatments in the U.S. and then to the much larger SHTG patient population. Our NDA submission for olezarsen was recently accepted with priority review. Our PDUFA date is set for December 19, and we're ready to bring this groundbreaking medicine to people with FCS.
We also recently completed enrollment for our SHTG Phase III program, keeping us on track for data in the second half of next year. Based on our significant first-mover advantage and our positive results demonstrated to date, if approved, we believe olezarsen could be the standard of care for both SCS and SHTG.
We're building on the capabilities we've established for WAINUA and olezarsen in preparation for our anticipated launch of tominersen for HAE prophyraxis next year.
In our comprehensive clinical program, donidalorsen has demonstrated strong evidence of meaningful benefit across multiple measures of disease with a favorable tolerability profile. These data together with the potential for monthly or every 2 months self administration using an auto-injector strengthen our belief that if approved, donidalorsen has the potential to advance the treatment paradigm for people living with HAE. With positive Phase III in hand, we expect to submit the NDA for donidalorsen soon as we look to independently bring donidalorsen to patients in the U.S.
Outside the U.S., our commercial partner Otsuka is preparing to file for marketing approval in Europe this year. And with our recently expanded license agreement, Otsuka is also working to bring donidalorsen to people with HAE in the Asia Pacific region.
Following WAINUA, olezarsen and donidalorsen, our next wave of wholly owned opportunities includes our program for Angelman Syndrome. Based on the positive results from the HALO Phase I/II study that we presented last week, we are advancing this potentially transformational medicine into a Phase III study, which we anticipate will begin in the first half of next year.
On 582 is positioned to become the cornerstone of our wholly-owned neurology franchise, but today, which today includes 5 wholly-owned medicines in clinical development more to come by the end of the year. Our accomplishments so far this year and the investments we're making move us closer to achieving our goal of bringing a steady cadence of new transformational medicine to patients for years to come, and generating next-level value for all Ionis stakeholders.
With that, I'll turn the call over to Richard to discuss our recent pipeline progress and preview team upcoming events. Next, Kyle will review the WAINUA launch and our launch plans in progress for olezarsen and donidalorsen. And Beth will review financial results. I'll then wrap up things before taking your questions.
With that, over to Richard.
Thank you, Brett. We are pleased that Ionis delivered many important achievements to date this year. With WAINUA reaching more and more people with hereditary ATTR piloneuropathy, I am proud of all that Ionis team has accomplished to discover and develop this important new medicine and bring it to patients in need. Recent ATTR cardiomyopathy data further reinforces our confidence in the potential of WAINUA to improve cardiovascular outcomes in this estimated worldwide patient population of approximately 300,000 to 500,000. With over 1,400 patients enrolled, our ongoing CARDIO-TTRansform study is the largest and most comprehensive study ever conducted in ATTR cardiomyopathy. And as a result, we expect the data we generate will enable physicians and payers to make informed treatment decisions in this dynamic treatment landscape. .
In addition, as part of our Phase III program, we're conducting advanced cardiac imaging sub-studies, including an MRI sub-study and a sub-study, which will generate valuable data about the potential benefits of WAINUA in cardiomyopathy patients.
We were delighted that our recent olezarsen NDA submission was accepted by the FDA for priority review, highlighting the potential of this medicine to make a profound difference in the lives of patients. Our submission was based on the positive Phase III results in FCS that we presented and published earlier this year.
In the Phase III BALANCE study in patients with FCS, olezarsen showed substantial and durable triglyceride reductions. And importantly, for patients, physicians and payers alike, olezarsen demonstrated substantial and clinically meaningful reductions in acute pancreatitis attacks, a remarkable 84% reduction in hospitalizations and a favorable safety and tolerability profile. We look forward to our upcoming December PDUFA date and assuming approval, bringing olezarsen to people with FCS who currently have no approved treatments in the U.S.
We are also developing olezarsen for the much larger severe triglyceride patient population, and we recently completed enrollment in our extensive Phase III program for SHTG with more than 2,500 patients enrolled across 3 studies. This puts us on track for data in the second half of next year, maintaining our multiyear first-mover advantage for this wholly owned blockbuster opportunity.
Following closely behind olezarsen is donidalorsen for prophylactic treatment of hereditary angioedema. We recently presented and published in the New England Journal of Medicine positive history data from OASIS-HAE, our placebo-controlled trial. Additionally, we also presented positive data from OASIS-Plus. Our trial that includes an open-label cohort for patients rolling from the Phase III study and a separate cohort that we refer to as the SWITCH study.
Donidalorsen treatment significantly reduced HAE attacks. The reduction in HAE attacks translated into significant and clinically meaningful improvements in good life across multiple validated measures and high levels of disease control in a vast majority of patients. And with longer-term treatment, patients improve further on all these measures. Additionally, as of our most recent data cutoff in February, 98% of -- remain in the study. These positive data were further bolstered by the encouraging SWITCH results. The SWITCH study through week 17, Page showed a substantial reduction in their HAE attack rate with donidalorsen treatment compared to baseline on their previous treatment. Donidalorsen treatment also resulted in improved quality of and increased disease control.
Importantly, more than 80% of patients surveyed reported a preference for donidalorsen over their prior prophylactic treatment. And nearly 90% of SWITCH study patients remain in study as of the data cutoff
In addition to strong clinical results, donidalorsen offers the potential for simple, monthly or every 2-month self-administration via an auto-injector. Based on these data, we believe donidalorsen could become a preferred prophylactic treatment working with HAE. Our NDA, which we plan to submit soon will include data from OASIS-HAE, OASIS-Plus, OLE study SWITCH and our Phase II study. Outside the U.S., Otsuka is preparing to submit for marketing approval in Europe later this year. And with the recent expansion of our license agreement, Otsuke also plans to bring donidalorsen to patients in the Asia Pacific region.
The rest of our rich Phase III pipeline is also advancing, positioning us to continue delivering a steady cadence of potentially transformational medicines to patients. We recently completed enrollment in the pivotal arm of our zilganersen study for Alexander disease kits on track for a Phase III readout next year. From GSK recently completed enrollment in the Phase III program for Bepirovirsen for chronic hepatitis B, which keeps the program on track for in 2026.
Coming right behind these programs, we have our next wave assets, including a number of medicines to treat both rare and broad neurological diseases, 5 of which are wholly owned. And we expect our wholly owned pipeline to expand later this year in 2 more medicines from our neuro disease franchise enter clinical development. ION582, our medicine for Angelman Syndrome, has transformational potential for the tens of thousands of people living with this serious rare disorder, who are in need of disease-modifying treatments. For this reason, ION582 is poised to become the core stone of our wholly-owned neurology pipeline. We're encouraged, I recently presented positive early results from the HALO study, ION582 and people with Angelman syndrome. In this study, we demonstrated evidence of consistent and meaningful improvement on all key functional areas across multiple assessments. This includes 97% of participants showing clinically meaningful improvement in overall Angelman syndrome symptoms on the SAS CGI assessment.
Improvements in measures of communication, cognition and motor function exceeded natural history on the Bayley-4, Vineland-3 and Orca assessment. Additionally, we observed consistent improvements across ages and genotype. And we saw favorable safety and tolerability at all dose levels, including no discontinuations or adverse events that were considered created to study drug. Based on these positive data, we plan to advance ION582 into a welcome to Phase III study in the first half of next year.
Alongside the positive Phase I/II data for Angelman Syndrome, several recent events have also occurred in our mid-stage pipeline. We were pleased to present positive Phase II data for ION224, our medicine targeting DGAT2 for the treatment of metabolic dysfunction associated hepatitis or MASH. Additionally, based on the encouraging Phase Ib data from IONIS-MAPTRx also known as BIIB080 that were presented late last year, Biogen recently announced that they amended the ongoing Phase II with the goal to accelerate a potential proof of concept to outcome. As a result, this change, they are now projecting data in '26.
Also, we and our partners recently discontinued development for ION541 targeting ataxin 2 for ALS and IONIS-FB-LRx for geographic atrophy. Both programs showed good target engagement and favorable safety but did not meet their primary efficacy end points.
Importantly, Roche continues to advance the IONIS-FB-LRx IDA propthy Phase III study that they initiated last year based on positive Phase II data. Looking ahead, we have several important milestones still to come this year. These include presenting Phase II open-label extension data for donidalorsen and data from the DEVOTE study, which evaluating a higher dose of SPINRAZA, as well as anticipated regulatory approvals and launches for WAINUA, olezarsen and regulatory filings for donidalorsen.
And with that, I'll turn the call over to Kyle.
Thank you, Richard. We are pleased with the initial reasons of the WAINUA launch with AstraZeneca following the U.S. approval at the end of last year, including the significant growth quarter-over-quarter with an estimated 40,000 patients worldwide and fewer than 20% of patients on an approved treatment, people with hereditary ATTR polyneuropathy remained underdiagnosed and largely under As a result, a high unmet need remains that we and AstraZeneca are uniquely positioned to address. The combined team is working together seamlessly with a shared goal to make WAINUA, the preferred choice for patients with ATTR polyneuropathy. We continue to see good uptake among patients in the second quarter with an encouraging mix of new patient starts, including some who were new to this class of medicine, some switching to other treatments and some using WAINUA as an add-on treatment to their existing therapy.
Prescribers and patients are recognizing WAINUA's strong clinical profile and patients value the ability to easily self-administer WAINUA from their home. We expect to reach a growing number of patients as we continue to educate prescribers about the value that we WAINUA brings. With our increased confidence in our ongoing cardio transform study for ATTR cardiomyopathy, we and AstraZeneca are progressing our pre-commercialization activities and investments to support the potential substantial opportunity WAINUA represents. We are leveraging and building upon our efforts for the WAINUA launch to prepare for our upcoming independent launches of olezarsen and donidalorsen.
As Richard mentioned, we are developing olezarsen for 2 indications, the rare FCS indication and broader SHTG indication with anticipated first mover advantage in both settings. We are pleased to receive positive feedback from key opinion leaders on Phase III FCS data that we presented at ACC. They were particularly impressed with the reduction in acute pancreatitis attacks and the substantial reduction in hospitalizations and inpatient hospital days. We expect that these data will also be important in securing access from payers.
In addition, the U.S. expanded access program for olezarsen is in place in patients to have access to treatment ahead of potential approval. We are putting the final touches on our intended launch plans to bring olezarsen to patients as soon possible after dissipated approval. Our medical affairs team has been meeting with physicians and working to improve disease awareness through disease education. Earlier this year, we hired our first Ionis National Sales Director. And now with the December 19 PDUFA date set, we have recently hired and are now training our customer-facing team with extensive rare disease experience in preparation for the FCS launch. To bolster our field team's efforts, we are deploying a tailored omnichannel strategy to further enhance our relationships with patients and health care professionals.
Finally, we are building a world-class patient and caregiver support team to provide a seamless customer experience to help patients initiate treatment and remain on therapy long term. We plan to further scale our commercial capabilities as we prepare for the SHTG indication to realize the full blockbuster potential of olezarsen.
Donidalorsen for the prophylactic treatment of HAE is our next planned launch after olezarsen. And based on the positive results we have seen in the comprehensive development program, we are excited with what donidalorsen could mean for people with HAE. HAE is a well-defined patient population with an estimated 20,000 people affected in the U.S. and Europe. While prophylactic trend in the U.S. is well accepted by patients and physicians, there continues to be a need and the market continues to grow. Outside the U.S., acute therapies historically been the standard of care. However, prophylactic treatments are gaining growth, especially in Europe.
Many people with HAE are unsatisfied with current treatments and are looking for the option that reaches frequency and severity of attacks, that also offers good tolerability and convenience. This is a disease that typically appears childhood, so patients have to manage their disease throughout most of their life. As a result, patients have a history of switching treatments seeking to find the best therapy for them. We believe donidalorsen could be a preferred prophylactic treatment for both patients new to therapy and patients currently therapy.
With strong clinical data, including Switch data and the simplicity of monthly or every 2-month self-administration via an auto-injector, we believe donidalorsen combines the attributes that people with HAE are looking for in a single attractive treatment assuming approval.
Today, I am good to share that we are where we should be in preparing for our upcoming launches, our infrastructure to support commercialization is in place, and we will be ready to begin delivering our medicines to people in need as these new therapies come to the market.
Now I'll turn it over to Beth.
Thank you, Kyle. Our results in the second quarter and first half of this year reflect the excellent progress we've made toward our goal to bring a steady cadence of medicine to the market. We continue to generate meaningful revenue while investing our capital to independently launch several new medicines over the next few years that have a combined multibillion dollar peak sales potential.
We are also investing in advancing our next wave of wholly owned medicines, which continued to make great progress in the first half of this year. In addition to our recent pipeline achievements, we delivered strong financial results, keeping us on track to achieve our financial guidance. We earned revenues of $225 million and $345 million for the second quarter and first half of this year, respectively. SPINRAZA remains the primary source of our commercial revenue with $57 million and $95 million of royalties in the second quarter and year-to-date. Notably, SPINRAZA product sales increased 25% from the first quarter to the second quarter due to growth from both the U.S. and ex U.S. markets.
Additionally, in the second quarter of the WAINUA launch, product sales were $16 million, bringing unit sales to $21 million. As a result, our royalty revenue increased quarter-over-quarter to $4 million for the second quarter and $5 million for the year-to-date period. R&D revenue also increased in the second quarter and year-to-date reflecting the value that our pipeline and technology continue to generate.
As planned, our non-GAAP operating expenses for the second quarter and year-to-date increased over the same period last year, driven by higher SG&A expenses. Our SG&A expenses increased 46% and 31% for the second quarter and first half of this year, respectively, as we continue to make investments to prepare for our upcoming independent launches of olezarsen and donidalorsen. Notably, we built out our commercial team, including our field organization, and they are enthusiastically preparing for FCS launch. Our SG&A expenses also included our minority portion of WAINUA U.S. launch expenses.
And as planned, R&D expenses decreased slightly for the second quarter and were flat for the first half of this year compared to the same period last year. Our results for the first half of the year keep us on track to meet our 2024 financial guidance, including revenue of more than $575 million, of which approximately $175 million will come from noncash amortization of partner payments we received in prior years.
So to the second half of this year, we expect our total revenue to be slightly lower compared to the first half and weighted more to Q4. We expect commercial revenue to increase as the launch of the ramp for WAINUA -- and from higher dissipated SPINRAZA royalties as our tiered royalty rate increases. Additionally, we expect our R&D revenue, which often fluctuates from quarter-to-quarter due to the timing of achieving various collaboration milestones to be lower in the second half of the year. Importantly, however, we still have the opportunity to earn sizable payments, including a $30 million milestone payment from AstraZeneca if WAINUA is approved in the EU. We continue to project our full year 2024 operating expenses to increase by a mid- to high single-digit percentage compared to 2023, excluding the impact of last year. And similar to the first half of this year, the increase will be driven primarily from sales and marketing expenses as we prepare for our back-to-back independent launches of olezarsen and donidalorsen.
We are on track to end the year with $1.7 billion in cash as we continue to make strategic investments in the substantial opportunities before us today, including our late-stage programs and our next wave of innovative medicines. So as you can see, we delivered a strong second quarter and first half.
Before I turn it back to Brett, though, I'd like to provide you with a look beyond this year to our path to revenue growth and increasing value as we deliver on ours to bring more medicines to more people. With our strong development and regulatory progress, Ionis is at a critical inflection point. We have several near-term commercial opportunities with significant potential to help patients in need. In parallel, we are advancing our next wave of potentially transformational medicines and our technology. As a result, we plan to continue to strategically invest our capital resources, to ensure we unlock the full potential of our promising near- and longer-term portfolio.
Our investments are focused in 4 key areas: First, in our go-to-market activities, enabling us to realize the full value of our medicines, which includes investing in our upcoming independent launches for olezarsen and donidalorsen. Our expenses in this area also include our WAINUA cost share with AstraZeneca for the hereditary ATTR polyneuropathy launch in the U.S. As we approach the indicated olezarsen launch for the broader severe high triglyceride population. We will scale our capabilities and increase our go-to-market expenses to support the larger opportunity. And as we and AstraZeneca approach a potential ETR cardiomyopathy launch for WAINUA, our expenses will increase consistent with the much larger cardiomyopathy opportunity. Importantly, our planned investments are rightsized for the combined multibillion-dollar revenue potential that these medicines represent.
Second, we continue to advance our late-stage pipeline. All of our ongoing large Phase III studies are fully enrolled with more than 4,000 patients in all and are currently in the heaviest period of investment. We expect these investments to fuel our continued value generation and revenue growth, the data read out, and we bring new medicines to patients over the next couple of years.
Third, we are increasing our investments on our next wave of medicines, including development and pre-commercialization expenses for our growing wholly owned pipeline of potentially groundbreaking neurology medicines, such as ION582 for Angelman syndrome.
Finally, we are investing in technologies to ensure we continue to deliver innovative medicines with competitive profiles well into the future. So as you can see, we are strategically investing our capital towards opportunities. Importantly, we expect our investments to power strong revenue growth and positive cash flow as our medicines reach more and more patients in need, positioning us to deliver next level value for all Ionis stakeholders for years to come.
And with that, I'll turn the call back over to Brett.
Thank you, Beth. As just summarized, we have made great progress in the first half of this year. And in the second quarter alone, we've achieved a great deal with many important successes, which include a continued strong start for the way we will launch for hereditary ATTR polyneuropathy in the United States, approval in Canada and submissions under review in many additional territories.
Positive FCS data for olezarsen, which we present at ACC, which were the basis for our NDA submission, which was recently accepted by the FDA with priority review. Positive HAE data for donidalorsen presented at Yaki, that will be the basis of our upcoming regulatory submissions. And we completed an enrollment Phase III olezarsen SHTG program this past quarter, keeping us on track for data next year. We also presented positive data from the HEALOS Phase I/II study in syndrome, and we are well along in preparing for our end of Phase II meeting with the FDA scheduled for this fall, with plans to advance this important medicine in the Phase III development next year. And we delivered solid second quarter and first half financial results, keeping us on track to achieve our 2024 financial guidance.
On the strong progress we've made across our business this year, we are well positioned to continue building on our positive momentum as we execute towards achieving all of our strategic priorities. We've arrived where we are today by being focused on a clear vision and a clear set of strategic actives, which include building and advancing our pipeline and delivering medicines that we can see, discover and develop direct patients.
Our pipe is delivering. We achieved multiple marketing approvals and positive key data readouts over the past year, and we are poised to build on the strong momentum in the near term. We prioritized building our home pipeline and are now advancing several of these medicines towards the market. In parallel, our partner programs are resting on track with important Phase III readouts next year
We are also focused on extending our leadership position in OD type therapeutics by expanding and diversifying our technology, further optimizing our capabilities for existing therapeutic areas and opening up new areas for drug discovery. All of this sets us up to continue bringing a steady cadence of new medicine to patients for years to come. We're looking forward to sharing our progress as we build on our recent achievements and accomplish our strategic objectives.
And with that, I'll now open the call up for questions. Before moving into the Q&A portion of our of our meeting, I just ask that our analysts, please limit yourselves to a single question as we have quite a long queue. We'd like to get some people in into the queue and ask their questions as much as possible. So with that, Danielle, we'll open it up for questions.
[Operator Instructions] The first question comes from Akash Tewari from Jefferies.
This is Amy on for Akash. So one on ATTR CM. There's been some debate on if you need a certain level of TTR to have a cardioprotective effect. Have you seen anything in your own data around this theory? And do you expect any differences with the silence your approach using in all-cause mortality versus the CV mortality composite primary endpoint? Finally, do you have the flexibility to change your primary endpoint if needed?
Thank you, Amy. So we have seen -- we don't believe that there's any evidence of a threshold effect, TTR lowering achieve benefit in either polyneuropathy or in cardiomyopathy endpoints. We're very pleased with the magnitude of TTR reductions that we have seen in our -- in all of our studies for WAINUA for polyneuropathy, very pleased with the level of magnitude of that we're getting. But I don't believe that there's any believable evidence out there that suggests a specific threshold effect for TTR lowering to produce benefit in polyneuropathy or in cardiomyopathy. We believe -- our primary endpoint is in cardiovascular mortality and hospitalization. And that's what we're laser-focused on. We also have a secondary endpoints, specifically CV mortality as well as closed mortality. And we are both very important.
Next question comes from Myles Minter from William Blair.
Just on the timing of the CARDIO-TTRansform readout, I mean, is it fair to say that your at least waiting for data at ESC in London that might have read through your trial? And if that is the case, what exactly would you be looking for out of that data set to stick with the decision that you're going to read that out early or just wait until the full 140 weeks up in that study?
Thanks, Myles. So we're very pleased with the way the CARDIO-TTRansform study is advancing. We are particularly pleased with the blinded events that continuing to evaluate both CV hospitalizations as well as mortality. It's going very well right on track. As the first silencer to read out in this indication, we're very much looking forward to any and all additional data that we can -- which we think will be a very nice read-through to our CARDIO-TTRansform study. As you know, we have the largest by far study ever conducted in this patient population. And we think that anything we see from other molecules in the silencer trails are going to be very, very good read-throughs to what we expect to see in our study. So we're just looking forward to any and all data that comes from future presentations on the silencer class.
The next question comes from Mani Foroohar from Leerink Partners.
You have Ryan on for Mani. Can you just talk a little bit about any early insights from the WAINUA launch? And how you see that informing a potential on strategy in cardiomyopathy? And kind of alongside that, maybe what pre-commercialization activities you guys are undertaking in cardiomyopathy?
I'm sorry, Jonathan?
Yes. We're -- thanks for your question. We're very pleased with the early insights we're getting with the WAINUA launch. As Kyle referenced, we're seeing patients who are in net treatment. We're seeing patients who are switching from existing treatments, and we're seeing patients having WAINUA added on to their current treatment. So we're super pleased with what we're seeing. It's very early days. This is a foundation year for the launch of WAINUA. But we think there's certainly significant opportunity here when you think through the potential patient population of both PM and CM. The number of patients who are potentially underdiagnosed. And fundamentally, the relatively small numbers today were actually treated. What we're pleased with is that we're seeing prescribing from both neurology and cardiology and both centers of excellence as well as in the community. And that bodes well, not just for the PM launch and that progression, but also the transition, obviously, into future indications. Obviously, when it comes to some of those future indications, it's very premature to speculate as to what might happen there. We'll have to wait for future data readouts of our own pretty comprehensive programs.
Yes, 2 quick things to add. First, on the payer access side of things, we're seeing payers cover WAINUA very quickly. So from the prescription process, the patients actually starting on drug is going very, very well. That tells us that the right types of patients are being identified. And it's also telling us that physicians are justifying the prior authorization process with a sense of urgency, which tells you that these patients need treatment, and they see the value in WAINUA.
The second thing I'll just mention is around our patient engagement team. Our PIM team is directly interacting with these patients and getting feedback on a real-time basis. Patients are extremely pleased when they start WAINUA at the ability to self-inject with the auto-injector. Very well tolerated. Very easy to use. Very convenient for those patients and the profile of WAINUA is really playing out the way that we expected it to in the market.
The next question comes from Yanan Zhu from Wells Fargo Securities.
Great. Wondering about what's your takeaway from Roche's recent presentation of their syndrome Phase II data at the ASF meeting? And also separately, given the similar development time line of your Angelman syndrome program and AstraZeneca's program, do you think FDA will want to apply the same pivotal endpoint to both programs? Or is there a possibility that the agency could allow different primary end points based on strength of data?
Thanks, Yanan. I'll take the first question, then I'll ask Eugene to comment on the primary endpoint and the in primary endpoints for Angelman. So -- we are very pleased to see the data that Roche presented on their Angelman's program. And particularly, we are pleased with the fact that the data further supported our comments in our Phase I/II data that we presented at ASF, specifically, that the rank order of improvements that they reported with respect to the magnitude of improvement was exactly what we reported. The biggest magnitude that they reported was an expressive communication followed by expressive -- receptive communication, followed by cognition, followed by motor function and so on. And that's exactly what we reported, which get bolstered a further confidence that in our results to date.
We are also pleased with the magnitude of benefit we're seeing compared to their program, which really -- it looks like when you really compare apples-to-apples and you convert daily to a outcomes bodes very well. We look like we have even better efficacy at loose compared to what Roche presented. But we were pleased to see what they showed because of the constancy in subdomain benefit between the 2 programs. Eugene?
Yes. Well, regarding the primary endpoint and conversations to be had the agency, of course, we're looking forward to updating you after we've had our discussions. But there is -- from our standpoint, there's -- this will be data driven. We certainly do believe that the data and consistency of what we see in our Phase I/II study gives us a pretty good idea of what we would like to see in a pivotal study, but it's still to be seen what the specific primary endpoint will end up. We'll certainly give you an update. Is there a precedence to have a slightly different or different primary endpoint? Of course, there's plenty of precedents in the neurology space as well as outside. I mean if you look at RCM. That's another example where primary endpoint is not identical for 2 very similar programs. So stay tuned. We will certainly will be happy to provide you an update.
The next question comes from Jessica Fye from JPMorgan.
On the back of the top line HELIOS-B data, what's your latest expectation for weather silencers in TTR cardiomyopathy will mainly used in combination with stabilizers versus as monotherapy?
Yes, I'd be happy to talk to that. This is Kyle. Thanks, Jessica. The data ultimately is going to drive this, we believe. That is a starting point. I think ultimately, it will come down to physicians and patients making a decision around the profile of treatment that they want in that decision. But when we see it right now, we're seeing -- we knew a used in combination, obviously, as hATTR polyneuropathy indication, combined with cardiomyopathy indication for the stabilizers currently. So we're seeing it happen now. We think that, that will continue to progress over time. And we also believe that based on the data and the way the data plays out will be justification for physicians to be able to justify that to payers whenever submit these requests and try to get the drugs approved. So I think it's ultimately data and driven buttons in patients.
And just to add to that, as you know, Jess, we have -- we're positioned to have the richest data set across the board on primary as well as secondary and endpoints and subgroups. And we're going to have a great deal of data in combination usage as well as in monotherapy, second to none. And that includes data on key endpoints, clinical endpoints such as hospitalizations, mortality, 6-minute walk test, biomarkers and so on, but also in the imaging studies. We have several imaging studies in process, and we think that if anyone is going to be able to show really meaningful improvements in combination versus monotherapy across the board, whether the imaging or clinical end points, we're going to be in the best position to do so. And we think that, that will, as Kyle said, because this is a data-driven environment, we're going to be in best position to actually have the data to support combination usage.
The next question comes from Allison Bratzel from Piper Sandler.
Maybe one on pelacarsen, since that Phase III data and regulatory filings are coming up next year. Could you just talk to or frame what you'd like to see in that readout? And maybe in what gives you confidence in differentiation of this asset? And what could be a competitive space color on that or the next-gen program would be helpful?
Yes, Allison. So there's not -- the only news on pelacarsen is really that the study is on track to read out as scheduled next year. Everything is going very well. And our partner, Novartis, is well positioned with first-mover advantage in this first-to-market patient population has enormous patient popular. Everything we're seeing in the Phase III study is very supportive. This being set up for a successful outcome. First mover advantage is really important, and we with Novartis are have substantial lead to the market.
Yes, the program that -- our follow-on program to Novartis -- with Novartis on the follow-on programs advancing well, maybe I'll ask Eric Swayze to comment on how things are going.
Things are going great. We've been working closely with Novartis. Looking at a variety of ways to extend the dosing interval, and make a great lowering growth. And I'm sure we'll discuss it sometimes as the program advances further, but I can't really say more than that at this time, but very pleased with the progress we've been making on new technologies, siRNAs in particular, and a broad range of other things beyond what would be amenable for the LP --
We feel very comfortable that we're going to achieve our objective with Novartis on a follow-on molecule. Things are going very well. There's obviously a lot of benchmarks out there today. And so there's a lot to compare to. We're pleased.
The next question comes from Yaron Werber from TD Cowen.
I also have just a quick follow-up on WAINUA. And as you look at the HELIOS-B data and I'm totally obviously aware that you're probably going to be waiting for the full HELIOS series. But as you think about with a much powered trial design, where can you potentially differentiate? And how important will that couple data be? Just give it overall but with broad labor for TTR?
Thank you, Yaron. As the largest study ever conducted in this patient population by far, we think we have the opportunity to differentiate in several different areas. It will be very interesting to see the onset of action for silencers and whether or not our onset of action is going to be similar or faster. It's going to be very interesting to some data, as you alluded to just now, and we touched on earlier. Combination data is going to be very important in this patient population and is having a broad label, which we expect to have as well. Cardiologists are data-driven, and they're going to need to see data before advocating for combination usage, I think we're well positioned to have that data. New York health class categories are going to be very important to see how mild patients are doing moderately ill patients and severely ill patients are doing. All this when you have a well-powered study, rich data -- and provide set up to have the rich data set, you have the potential ability to differentiate across the board. Anything to add to that, Eugene?
No, not really, Brett. You characterize it. I think the power really comes from the size of the study and also an ability to look at subpopulations, which were really well visioned to do.
The next question comes from Jason Gerberry from Bank of America.
I wanted to come back to the cardio transform timing question. So it sounds like we're going to get pretty detailed and granular data from Alnylam at ESC in terms of multiple curves, on overall mono and subgroups with famous background, including mortality. So it seems like you'll have everything you need to know post AESC on whether or not the 2025 interim is in the cards. So is it fair for investors to get or expect maybe a clear message as of the third quarter update on which way you're going to go as the base case 2026 or whether or not you'll look to 2025 interim?
Thanks, Jason. So Ionis and our partner, AstraZeneca, I haven't think about this quite a bit. Our base case remains 40 weeks of treatment, which brings us to mid-2026, if the study were to go to completion. But we are committed to bringing WAINUA to patients as fast as possible if it makes sense to do so. And certainly, as I mentioned earlier, following up on our blinded events and following up on the studies that we're running is most important. But any news that we get from other agents in our -- in the same class, the class -- they're going to be informative on work we do. With that said, we can't get ahead of regulators. We're going to want to get buying on anything we do with respect to an earlier readout with the FDA, EMA before making any proclamations out there publicly. So timing is a bit uncertain right now. But thus assured that we and AstraZeneca are working on this very thoughtfully.
The next question comes from Jay Olson from Oppenheimer.
Congrats on all the progress. Can you talk about launch preparation for olezarsen in FCS? And how should we expect the launch uptake and eventual opportunity in FCS? And also the early access program, how many patients you have? And will those patients switch over to commercial product soon after approval?
Yes, thanks for your question. We're really pleased with the progress we're making and have continued to make. Obviously, our preparation started a couple of years ago with the medical affairs team. And subsequent to that, we've built out all the commercial functions that you would expect, whether that's marketing market as patient support that Kyle referenced, we're trying to build out industry-leading support there for our patients. And to bring you right up to date, we've now started hiring and training our field teams ready to engage with customers. So the build has gone very well and is certainly on track, aligned with our regulatory progress, which with breakthrough designation has been at this point, very timely. And that, we think, sets us up for a positive launch.
Obviously, to your question specifically about the expanded access program, we've got patients, let's be honest, before that, who've been in our registration studies that are obviously, patients have launched, we hope to provide the opportunity to move on to commercial drug. And the EAP is now in the hands of our medical team and they're talking to us today. And patients are progressing through the administration or the administrative side of getting access to olezarsen through that program.
So all in all, we are doing a lot of work, as you can imagine, but very much on track to be ready to launch as soon as the FDA provides approval, fingers crossed.
Next question comes from Mike Ulz from Morgan Stanley.
Maybe just one on the neurology pipeline with Angelman sort of emerging as your lead program, can you maybe highlight what you view as the next key opportunity there? And if there's any potential read through from what you learned in Angelman's?
Eugene?
Yes, sure. Happy to. Thanks for your question. So certainly, we are delighted to have Angelman of service kind of allenchment of the neuroscience portfolio. That is a very rich portfolio following the Angelman Phase III program. Just to name a few that are most that bounce currently, certainly, the which is now fully enrolled in its pivotal study. As recently announced, is the next molecule that we're super excited about. It's an ultra-rare disease. It fits very well with our neurology portfolio. The study is progressing well. There's great feedback from site and investigator on kind of the quality of the study conduct.
And behind of course, we are delighted to have our FUS-ALS program progressing well. Our pre-owned program really making great strides and first-time experiment that we're now conducting. So we're looking forward to sharing lots of data with you over the coming months and some years in that area of research and development for us.
Our wholly-owned neurology pipeline -- thanks Eugene, is positioned to grow and expand in addition to the programs that are in the clinic today. We expect to start 2 additional wholly-owned neurology programs by the end of this year and more next year, for both rare as well as larger indications, more highly prevalent indications. I also want to highlight the great progress we're making to extend our leadership technologically in neurology. Our most advanced backbone chemistry MSPA will enter is expected enter clinical development and see for a CNS indication later, which is focused on reducing dose frequency very meaningfully. We're also making great progress in traversing the blood-brain barrier, using subcutaneous or intravenous infrequent administration, and we're looking forward to maybe our first candidates overcoming the BBB early 2025, and we're looking forward to talking about that as well. So CNS is here and now, and we're leading in this space, and we continue to expect to extend our leader position in CNS going forward.
The next question comes from Gary Nachman from Raymond James.
For doni, when you submit the NDA, what indication will you be looking for in the label? And are you optimistic that Switch data will actually be included on the label, which will be so important for these HAE patients? Any chance you could get a priority review or is it likely a standard review? And when will you start building out that commercial team, how much could you fully leverage? What you're doing currently with olezarsen?
Thanks, Gary. Eugene will take the first couple of questions. And then Jonathan could touch on the build-out of the commercial team.
Yes. With regard to the indication, of course, we're seeking a broad indication for prophylaxis attacks in rater angioedema and we're pretty comfortable with how things are progressing. Obviously, it is to be determined what the final label looks like and the indications. We are -- sorry, what was the same part of the sub-question? [indiscernible]
Switch data, I'm sorry. And yes, along the same line, again, it's really early to simulate on what the final label is. We will do our best we believe that our program -- our pillar program is very comprehensive, and we also believe that the data that we collected and switch copyists important for physicians to be OR. So we'll make sure that this data is broadly, whether it's publication or it ends up in the label, we can't really speculate today.
Yes. And I'll just touch on that a little bit more, Gary. The Switch data is very important, we believe, from a safety standpoint, which we think bodes very well for including it in the label. I mean these patients switch all the time, right? And actually having data that informs physicians on how to safely switch patients such that they avoid getting a gap in their protection in HAE attack is going to be very important. And we think that, that will -- and of course, the FDA is focused on safety and protection against disease progression. So we think that, that bodes very well for us to get in the label. But as Eugene said, it's we don't -- it's risky to get ahead of the regulators on what the label would look like, but we think that we have a pretty good shot at that. Jonathan, how's the launch prep going?
Launch prep is going well. As you can imagine, this is coming hot on the heels of the potential lease launch that we talked about. But the launch prep on the commercial side for WAINUA is well advanced. There are a lot of capabilities that we built. For olezarsen that we can leverage for doni, whether that's the medical affairs function, first and foremost, that's been established olezarsen, that's now leading in the HAE space. We've got brand teams, access teams building out the value dossiers. Patient services is also well advanced and ready to support patients in HAE space and omnichannel as well as a capability that will very confident that we've built well at Ionis now and is a capability that's very applicable both to the FCS launch, but also the HAE launch. So there's -- there's a lot of synergy there on the commercial side, albeit a lot of that is being appropriately built to best serve each of those launches in the markets and the challenges that they present.
We're also very pleased with the making for submission and preparing for launch in Europe. So stay tuned for more.
The next question comes from Salveen Richter from Goldman Sachs.
Could you just speak to the work you're doing here on oligos with next-generation backbones and the other modalities you're looking at and when these programs might enter the clinic?
Sure. So as Brett mentioned earlier, the first compound that incorporates our MSPA backbone. We'll enter the clinic for a neurology indication later this year. And the objectives there are today and extend the dosing interval with the enhanced stability of that backbone, which it provides, and we'll see how it performs. We also have a compound in development with a partner, AstraZeneca, that uses our buy cycle program to deliver drug to the cardiac muscle in this case. That program is moving forward, and we look to start IND talks this year, and that's progressing. Is that's an siRNA coupled to the bicycle program. And we also have an internal siRNA program for a follow-on indication for liver target that you anticipate getting headed towards development this year. And then beyond that, we've been making some really nice progress in our brain work, both with our buy cycle collaboration, and also the collaboration, which we announced earlier this year or very late last year. And we had some scientists from the team present some of that data at a recent ties meeting with early mouse data in victorious -- and it looks fantastic. And we'll continue to provide some more data updates. And hopefully, -- if everything goes according to plan, we can get some molecules that cross the blood brain barrier program for our wholly owned neurology pipeline into development early next year.
Thanks, Eric. And I'll just add to that. So you can expect to see in the not-too-distant future new programs advancing towards development focused on neuromuscular diseases, skeletal muscle, specifically takes extend our leadership in neurology. And also, we're pleased with the progress we're making metagenome on gene editing. We have several programs there that are advancing very nicely preclinically. And I think next year could be a very informal year, a very interesting year in our gene editing program with respect to new information coming out as to what our strategy is and what our first molecules will be. So stay tuned for that. We're making great progress across the board in diversifying in expanding our technological capabilities.
And with that, I think we have time for one more question.
The next question comes from Kostas Biliouris from BMO Capital Markets.
Congrats on the progress. Can you talk a little bit about the CARDIO-TTRansform enrolled population? And specifically the differences between the geographies and the follow-up from the originally enrolled population and the population who were enrolled after the changes you made to the partial design? And if you expect any impact from the differences between these 2 populations?
Thanks, Kostas. So we have, of course, having shared the demographics for our CARDIO-TTRansform study. We look forward to doing that in the future. We really are pleased with the enrollment in the study. And as we've said, we have a nice balance in this big study, the largest study were conducted in TTR cardiopathy, nice balance between monotherapy patients as well as patients on combination treatment. We're also very eased with very small percentages of drop-ins and families in the study. It's going exactly as planned. We're pleased with the percentages of patients we have with New York Health Class 1, 2 and 3 in the study. And we -- everything we have seen that has come out in this space with respect to other people's demographics supports our decision to expand our study to take into account for a patient population that's being diagnosed much earlier in their disease. So we couldn't be more pleased with the way the study is going, including our patient demographics. So thanks for the question, Kostas.
I think we have -- it's time to wrap things up. I really want to thank everybody who joined us today for your participation and your questions. We're very proud of everything we've accomplished the past quarter, first half of this year. And we're planning to build on this momentum to achieve greater successes in the second half of this year. And we're very much looking forward to providing up on the progress we continue to make this year as well as into next year.
So thank you very much, everybody, and have a great day.
The conference has now concluded. Thank you for attending today's presentation. You may now disconnect. Goodbye.