Pharming Group N.V. (PHARM.AS) has reported a successful financial year in 2023, with notable revenue growth and the launch of its new product, Joenja, in the United States. The company's flagship product, RUCONEST, continued to perform well despite increased market competition. The company's revenue exceeded $227 million, a 10% increase from the previous year, and it provided an optimistic revenue guidance of $280 million to $295 million for 2024. The earnings call highlighted the successful introduction of Joenja, a treatment for APDS, and plans for the further development of leniolisib.
Key Takeaways
- Pharming Group N.V. reported a 10% revenue growth in 2023, surpassing $227 million.
- The company launched Joenja in the U.S., generating over $18 million in its first nine months.
- Revenue guidance for 2024 is set between $280 million and $295 million.
- RUCONEST remains a strong product despite competition, with low-to-mid single-digit growth expected.
- Leniolisib, the active ingredient in Joenja, is being developed for additional immune deficiency treatments.
- A clinical trial for leniolisib in a new indication is expected to start soon, involving 12 patients.
- The company is actively pursuing in-licensing and M&A opportunities in rare diseases.
Company Outlook
- Pharming Group N.V. anticipates revenue growth of 14% to 20% in 2024.
- The company expects approval of Leniolisib in Japan and is exploring additional indications for the drug.
- Optimism for securing deals that expand the product pipeline, with advanced discussions underway.
Bearish Highlights
- European sales of Joenja are not expected until 2025 or later due to reimbursement timelines.
- The expiration of RUCONEST exclusivity in the U.S. is acknowledged, but not expected to impact revenue significantly.
- The development of a biosimilar for RUCONEST is seen as unlikely due to limited commercial opportunity.
Bullish Highlights
- Joenja has demonstrated significant efficacy and a consistent safety profile.
- The company has a strong cash position to support potential in-licensing opportunities.
- Gene therapy for HAE is several years away, providing a window for current treatments to prosper.
Misses
- Operating costs have increased due to R&D, marketing, sales expenses, and expansion efforts.
- Lack of adherence to Joenja is minimal but present, mainly due to underweight patients requiring lower doses.
Q&A Highlights
- CEO Sijmen de Vries expressed confidence in the continued growth of RUCONEST's patient base.
- CMO Anurag Relan emphasized the minimal impact of non-adherence to Joenja and the potential benefits for hereditary angioedema patients.
- The company is evaluating the treatment of VUS patients with Joenja, with significant treatment opportunities expected in 2025.
In conclusion, Pharming Group N.V. is poised for continued growth with a strong performance from RUCONEST and promising results from the newly launched Joenja. The company is actively seeking to expand its treatment options for rare diseases and remains confident in its strategic plans for the coming years.
InvestingPro Insights
Pharming Group N.V. (PHAR) has demonstrated a robust financial performance in 2023, with the introduction of Joenja in the U.S. market contributing significantly to its revenue stream. As investors look to understand the company's financial health and future prospects, key metrics from InvestingPro provide a deeper insight into its valuation and performance.
InvestingPro Data reveals a market capitalization of $738.46 million, reflecting the company's current market valuation. Despite a challenging P/E ratio of -330.91, the adjusted P/E ratio for the last twelve months as of Q3 2023 stands at a more moderate -25.98. This could indicate market expectations of future earnings improvements or a reflection of the company's growth investments. The revenue growth for the same period was a solid 7.34%, with a particularly impressive quarterly revenue growth of 22.98% in Q3 2023.
One of the InvestingPro Tips highlights Pharming Group's impressive gross profit margins, which reached 88.86% in the last twelve months as of Q3 2023. This metric underscores the company's ability to maintain profitability at the gross level, which is crucial for funding research and development as well as expansion efforts.
Another noteworthy InvestingPro Tip is the company's liquidity position, where liquid assets exceed short-term obligations. This indicates a strong short-term financial stability, which is essential for a biopharmaceutical company like Pharming Group that may face unpredictable R&D expenditures and market conditions.
Investors interested in a more comprehensive analysis can find additional InvestingPro Tips for Pharming Group on Investing.com, including insights on net income expectations and profitability projections. For those considering a deeper dive into the company's financials, use the coupon code PRONEWS24 to get an additional 10% off a yearly or biyearly Pro and Pro+ subscription at Investing.com. There are 6 more InvestingPro Tips available that provide a well-rounded view of the company's financial and operational outlook.
Full transcript - Pharming Group NV (PHAR) Q4 2023:
Operator: Good day and thank you for standing by. Welcome to the Pharming Group N.V. Full Year 2023 Results Conference Call and Webcast. At this time, all participants are in a listen-only mode. After the speakers' presentation, there will be a question-and-answer session. As a reminder, the company will only take questions from dial-in participants. [Operator Instructions] Please be advised that today's conference is being recorded. I would now like to hand the conference over to your first speaker today Sijmen de Vries, CEO of Pharming Group. Please go ahead sir.
Sijmen de Vries: Thank you very much operator. Welcome ladies and gentlemen. Good morning, good afternoon wherever you are to our conference. Please next slide. And we're very happy to take you to the full year results. And you can give me the next slides because before I do that, I would like to point out to that forward-looking statements slides that you now see where we will be making forward-looking statements that are based upon our current beliefs and expectations, which may of course differ from what we expect. So, having said that, I would like to now go to the next slide where you can see my face and then move on immediately to the next slide. Thank you very much. That's the one. Yes, we are indeed looking back to 2023 as a very successful year where by delivering strong growth, we built the foundation for that global rare disease company that we are setting out to build. And that's -- we can build that. We can all finance that by of course the cash flows that come from the marketing of RUCONEST, which delivers considerable positive cash flows that can help us to build that foundation further. So, we delivered -- we're very pleased that we delivered to more than $227 million of revenue, which is a 10% growth versus last year which exceeded significantly the expected single-digit growth for RUCONEST. And we saw that because we had some very good parameters -- forward-looking parameters that we're really working, the number of patients increased, numbers of prescribers increased. And basically, it means that patients continue to be reliant on RUCONEST despite increased therapy options that are available in the market, which of course, are good for patients. But you can see that RUCONEST continues to be that reliable cornerstone and my colleague Stephen will -- Toor will elaborate a little bit further on that obviously. Now, the next exciting bit of course that we could therefore start to execute on was the launch in the United States for Joenja, which is a product we in-licensed from Novartis (SIX:NOVN) in 2019. And we were very proud to actually almost immediately after FDA approval in April bringing that product to the market and immediately get commercial coverage for that product and bring in more than 18 million of sales during those first nine months in the market. In addition to that, Joenja has been filed with a number of regulatory authorities in Europe, Canada, Australia, Israel, and as of two days ago, in the United Kingdom and we are awaiting, of course, and we're working with all these regulatory authorities and we are waiting the next steps and the necessary approvals in the not-too-distant future. Then, of course, very important, the label of Joenja is for 12 years and older. We have a number of pediatric trials that are ongoing, which are, of course, important. And last but not least, we also have a completed -- a small Japanese clinical trial. So we are preparing for submission to the Japanese authorities by the end of this year. And my colleague Anurag Relan, our Chief Medical Officer will talk more about that. And as it is an ultra-rare disease and a very new disease that was only described 10 years ago, we have a very strong focus on patient finding. And again, Dr. Anurag Relan will talk about that later. And then I move to the right-hand side, which of course is even more exciting going forward towards the future, because we strongly believe that leniolisib has a vast additional potential for further development. And hence we have basically set out to start a Phase 2b study in the second quarter of this year for the subsequent indication, which is significantly larger than APDS in patient numbers. PID with immune disregulation and again, Anurag Relan will talk about that in more detail a little bit later in this presentation. And last but not least we are very, very active. We continue to be very active to in-license or acquire clinical stage programs in rare diseases in preferably immunology hematology, respiratory and gastroenterology to further leverage our commercialization structure that we have been building up and are building up as we speak. And then on the bottom of the slide, you see that for the first time in our history, we gave total revenue guidance and that will be between $280 million and $295 million, which is driven, of course, by Joenja, but strongly supported by RUCONEST during 2024. And then I would like to go to the next slide please, where you see that a depiction of the pipeline that we have RUCONEST, obviously, in the market Joenja in the U.S. market and you see that subsequently on the regulatory review by many of the regulatory authorities, and the pediatric program that's ongoing in the Japan program that's ongoing. And then of course the very exciting fact that we are going to do this the Phase 2a study for leniolisib for the subsequent indication. And last but not least our very early stage program the HAE gene therapy that is in early clinical -- preclinical stage. With that said, I would like to turn over to my colleague, Stephen Toor, our Chief Commercial Officer to take you through the commercial update. Thank you.
Stephen Toor: Thank you, Sijmen. Good morning, good afternoon everybody. So this is a slide, I think, you'll be largely familiar with. And I think the key thing to take away from this is that the key features of RUCONEST. So namely the only recombinant C1 treating the root cause of the disease and 97% efficacy in one dose is what continues to fuel the RUCONEST growth and our success over the last nine years. These product features are allied to the excellent work our commercial medical and patient services teams deliver for customers on patients and their carers is also why RUCONEST remains a highly relevant part of the conversation in the U.S. HAE community and globally. That's remained the case despite three prophylactic launches over the last few years leading to generally better controlled patients and the genericization of a canape, and I fully expect it to remain the case even in the face of acute competition in the future. And that's because HAE patients using RUCONEST tend to have generally a more severe course of disease. And in that instance, the need for virtually guaranteed and fast efficacy that stops the attack in its tracks is critical, and it's typically the patient's only real objective. In most cases, that override in need for efficacy won't be replaced by a convenience play. So, looking at 2023 RUCONEST performance was characterized by the continued growth in both prescribers and new patient enrollments, and it was also successful despite that market-wide event we saw in Q1 last year related to government reimbursed patients. Now, we have seen some disruption from that this year, but it's been muted by you're almost having those patients out-of-pocket costs in the US. And moving into 2024, we've also seen that the strength of our leading indicators has continued into this year, namely new prescribers and continued support from existing prescribers and new patient enrollments. So despite some continued disruption in that government segment, we're still on track and for where we expect to be in Q1. Next slide please. So this is again something you're very familiar with. Pharming's been in this space and committed to this community for over 20 years now. And it's really that commitment combined with the product itself RUCONEST, our people and the excellence they deliver, which is why you see on the right-hand side there our prescriber base continues to grow. And as a result our patient base continues to grow. And it's why as I said, we remain enthused and confident in the continued growth of RUCONEST both this year and in the years ahead. Next slide please. So switching gears now to Joenja. We had as you know a strong first year. And as we close out that first year at the end of this month, I'd just like to reinforce what a great launch the team here are Pharming delivered for us. So the launch preparation as you've heard me say in the past was first class. And I think I wouldn't underplay what Sijmen said earlier, which is that within one week of approval, we had commercially covered patients with product in hand, which is outstanding. The patient base steadily grew throughout the year and we exited as you know at the end of the year with 81 patients on paid Joenja therapy. In that time importantly, we've seen very few discontinuations and we have adherence rates close to 90%. So as we convert that caseload that we'd already identified at launch, our focus on surprisingly moving forward remains finding those new patients for this rare disease. And then given it's an APDS, autosomal dominant condition testing their families to uncover additional patients, so that they too can benefit from the management of treatment with Joenja, which as you know is the only indicated product with which you can treat APDS. And then the other important factor to talk about here in addition to the US is, of course, alongside that launch, we continue to build out our US capabilities in preparation for launches in the European Union, the United Kingdom, Japan, Australia and other countries in the Asia Pacific region and also in the Middle East and here in North America and Canada. So with that, I'd like to pass over now to Dr. Relan who's our Chief Medical Officer for a medical update.
Anurag Relan: Thanks, Steve. So what I'm going to do today is talk a little bit about APDS and then provide an update on Joenja, as well as where we see some additional possibilities for applying leniolisib in the second indication. So on this slide you can see, a little bit of information about APDS, which is a rare primary immune deficiency that as Sijmen said was only characterized in 2013. We estimate the prevalence of APDS at approximately 1.5 patients per million. And to that end, we have already identified more than 840 patients across the world in key global markets. As with many rare diseases, the signs and symptoms of APDS can vary across patients even within family members who have the same variant. This unfortunately leads to many potential delays in diagnosis and care, and a lot of frustration amongst clinicians and patients as they try to treat these patients. Fortunately, a simple genetic test can provide a definitive diagnosis of APDS. And until the availability of Joenja in the United States, recently, treatments for APDS have really only been limited to addressing the symptoms of the disease. Again these symptoms manifest early in childhood, because these patients have this genetic condition that they're born with, but these treatments do not address the root cause of APDS. And without a specific indicated treatment, this was quite complicated for these patients to manage their condition and physicians to be able to treat them effectively. Next slide. And you can see now with the launch of Joenja, APDS patients have a choice now, specifically patients who are adult and pediatric patients ages 12 years in age and older. And we've been able to demonstrate this by a randomized placebo-controlled study, where Joenja met both primary and secondary end points with significant efficacy results. We also saw positive benefits in other key secondary parameters, as well as exploratory measures. On the safety side, we saw no drug-related serious adverse events or study withdrawals in the Joenja studies. And we've also collected quite a bit of data now on long-term use of Joenja from the open-label extension studies and we provided some of this data including reductions and discontinuations in immunoglobulin replacement therapy or IVIG. We've also shown reductions in infection rates over time. And we've also seen that the safety is consistent with what we see in the short term. So when we -- these patients are on therapy and the open-label extension study for several years in many cases, we see the same type of safety profile that we saw in the short term in the randomized controlled study. We continue to collect this data including showing sustained benefits in the size of their lymph nodes, the size of their spleen, some of their immune parameters, including their levels of IgM. And we presented some of this data at some medical conferences throughout 2023 and we expect to continue to present more data from these long-term studies in the coming year. On the next slide, we can see what we're looking at beyond the FDA approval. So, as we mentioned in the press release, we are working closely with CHMP to address remaining outstanding issues and now we are now awaiting the CHMP's opinion on millennial MAA. We in fact expect that leniolisib will be on the CHMP meeting agenda next week, but we are waiting CHMP confirmation for this. As Sijmen mentioned also, the Japan clinical study, the enrollment is completed there now, and we are finishing the remaining studies to be able to file in Japan hopefully toward the end of this year beginning of next year. Just this earlier this week, we filed our application for the MAA in the UK with the MHRA and we also have several applications already under review in Canada, Australia and Israel. And we expect regulatory action on these throughout the course of 2024. On the pediatric side, we have two studies that are ongoing. The first is in children, ages' 4 to 11 and this study is expected to complete enrollment very soon. And then the other study which we just started with the first patient dosed in November 2023 is continuing as planned. On top of that we mentioned that we have a number of patients in expanded access programs across the world and as well as some new patients that are getting access to therapy through named patient programs. And then I'll talk a little bit more in the next couple of slides about some work that we're doing for the second indication where -- and that progress is on target with the initiation of the development for the second indication. Next slide. So, let's talk a little bit about the patient finding because I think this is critical for any rare disease, but also for one of these newer rare diseases such as APDS. One key pillar of that is medical education and we're doing a number of activities to support this education. Obviously, we attend numerous conferences and congresses, we may present abstracts both on APDS and the seriousness of APDS as well as some of the emerging data that we have and ongoing data that we have on the use of leniolisib in these patients. And we of course, publish a number of these results. And we've done that throughout the course of this year. You see a list of some of the conferences that we presented at during 2023 and there'll be a similarly long list for 2024. Because a simple genetic test can make the diagnosis of APDS quite easy, we have a sponsored no-cost testing program in place with genetic counselors available to help review test results with patients and physicians as well as well as to provide pre-test and post-test guidance. We've also partnered with a number of genetic testing companies to identify patients that have already been tested and diagnosed with APDS. So, really reaching out in numerous ways on the genetic testing front. And then as Steve mentioned, APDS is an autosomal dominant condition, but we're finding through our work is that most family members haven't actually been tested for APDS and this is due to a number of factors that we're trying to address, one by making genetic testing more widely available, but also education. So, we're doing a number of things to work with clinicians and patients to encourage family testing and we have a program in place now that allows patients to directly request this through genome medical if they suspect APDS or if they have a family member that has APDS. Really the goal here is to remove barriers to testing for patients that may be having APDS. On the next slide, you can see a little bit more about the activities that we're doing on the -- on what's called variance of uncertain significance. We previously mentioned that there are more than 1,100 patients that we're aware of in the United States alone that have this category of diagnosis, which is called a VUS. And what that means is that they have some symptoms that led them to get a genetic test done, but the genetic test result is inconclusive. And it's inconclusive primarily because that genetic variant hasn't been previously seen and hasn't been evaluated whether it's disease causing or not. So, we're doing a number of things here to help resolve this frustration for patients and clinicians. The first is we're working with experts including those at ClinGen to develop specific criteria for classifying variants. We're also partnering with a number of companies including Genomenon to make clearly available what variants are causing disease. We're trying to gather data. And these efforts that I'm mentioning here have already led to a number of patients getting correctly diagnosed with APDS. On top of that, we're really trying to make functional testing more widely available and we're doing a number of things here to support this type of activity working with a number of research -- commercial labs to try to make this test more widely available because ultimately, this is the way to resolve a variant of uncertain significance. And then it's not only one thing to test patients but then also to share these results and we're doing that through a number of databases including the one sponsored by the NIH called ClinVar. And then lastly, we are involved in a project with high-throughput methods that will allow testing nearly all possible variants and creating a variant effect map, including variants that haven't been tested yet, or haven't been observed yet. And this will allow us to eventually make, it possible so that in the future there won't be any patient that has this type of diagnosis or it has this inconclusive result. And those efforts are continuing on plan, and we expect later this year to be able to talk more about the results from that project. And on the next slide, you can see some of the medical conferences that we presented at over the past year. These data talk about the seriousness of APDS and you see the data on mortality that we presented the data on lymphoma, but they also present data from the ongoing use of leniolisib in the APDS, including long-term results. We've seen data as well presented on the different manifestations, including manifestations in these patients gut in their lungs. And then lastly, we presented just last month, new data on the use of our Navigate APDS sponsored genetic testing program, and how that is uncovering patients and helping patients get the correct diagnosis. So as I said earlier, we're going to continue to present a number of -- at a number of conferences this year have a number of abstracts and number of publications that are coming out, where we can really educate the broader physician community, patient community, about APDS, about the seriousness of the condition, as well as the ongoing data that we're collecting. Next slide. Now, turning a bit to the next indication that we're pursuing. So, obviously, APDS is a primary immune deficiency with immune disregulation, but there are other immune deficiencies with immune disregulation, and they often have similar clinical phenotypes, or clinical presentations as you see with APDS. Specifically, what we see is that, these patients often get similar problems related to lymphoproliferation or enlarged spleens and livers excuse me in large spleens and lymph nodes but also they also have this problem of autoimmunity where not only is their immune system not functioning properly it's also attacking the body. And what we're seeing is that, there is a number of these PIDs or primary immune deficiencies with immune disregulation that have a clinical phenotype that is similar to APPS and oftentimes are even managed before the available of Joenja for APDS in the same way. So there's a strong rationale to see what's going on here. And I think if you see on the next slide, the clinical presentation of these diseases looks very similar to what we've seen with APDS. In fact, when you look at the right you see all of the same types of things or many of the same types of things that, we see with APDS. We also know that these patients have a high unmet need. And again, the standard of care immunosuppressive therapies such as sirolimus, rapamycin that had been used have a lot of limited concerns due to limited efficacy and tolerability. So there's an unmet need here and we know that these patients based on work that's already been done in these various genetic disorders have altered PI3K signaling. And we know that, that altered signaling leads to the clinical symptoms that you see on the right. And as such, we think that leniolisib is well suited to restore that signaling to normal thereby helping these patients' clinical presentation also. And to that end on the next slide, what we're doing is advancing this with a clinical trial about the using leniolisib in this patient population. Again, the principle is that by reducing this PI3K delta activity, we're trying to rebalance the immune disregulation and improve their clinical symptoms. We've been partnered with the NIH on this, and we're expecting to start a clinical trial soon. The data suggests that when we look at the patients with specific mutations that have this type of immune disregulation, the prevalence is approximately 5 per million, which is a little bit more than what we've seen with APDS and in fact three times more than we've seen with APDS. We have been engaged with FDA on this, and we've gotten feedback on the clinical trial plans and we are underway now to begin that clinical trial shortly, which you can see on the next slide describing the study design for that. It's a Phase 2 proof-of-concept study single arm was 12 patients where we will ramp patients up starting at 10 milligrams and progressing to 30 milligrams and 70 milligrams, this study will include patients where we know that the genetic defect and you see some of the genetic defects listed their ALPS, CTLA-4 haploinsufficiency and PTEN deficiency among others where we'll -- where there's -- these patients have this altered PI3K delta signaling. So we think that leniolisib is appropriately suited to be able to alter and restore that signaling back to normal. The primary objective of the study of course is safety and tolerability, but we will be looking at PK and PD measures, efficacy measures similar to the types of measures that we studied in the APDS population. And the goal really is to confirm the safety and tolerability and then pick the best dose regimen for a Phase 3 study. And as I mentioned earlier, we're partnered with the NIH on this. So look for more updates to come soon about the initiation of this study. And with that, I'll turn it over to my colleague, Jeroen, to discuss the financials.
Jeroen Wakkerman: Yes. Thank you very much, Anurag, and I'm very happy to take you through the financial highlights. To start off with Q4 2023 versus last year, we had a revenue growth in the quarter of 49%. And RUCONEST grew by 34% in Q4 and recorded a -- had a record revenue of $73.3 million. You may remember that we were at a growth of 2% year-to-date at the end of Q3. So we're very happy with these Q4 sales results. And we saw strong performance in leading key revenue indicators in the U.S., including new physicians prescribing RUCONEST, new patient enrollments, including high-frequency attack patients and the total number of patients. Joenja revenue grew by 21% versus the previous quarter, so Q3 2023 and the revenue was $7.9 million. And by year-end, we had as Steve also said, 92 APDS patients enrolled in the U.S. and 81 patients on therapy on Joenja. The gross profit in the fourth quarter of 2023 increased by $25.8 million compared to the fourth quarter last year. And this growth was driven by higher revenues, partially offset by increased RUCONEST production costs and royalty payments on Joenja sales. The operating cost increased by $16 million into the -- in the fourth quarter compared to last year, and about half of this $8.3 million was directly related to R&D and marketing and sales expenses for leniolisib, respectively Joenja. And our expansion efforts driven by preparation for the launch and further commercialization of Joenja led to a $7.1 million increase in payroll expenses. An operating profit of $1.1 million was realized in contrast to an operating loss of $10.2 million in the fourth quarter of 2022. And this improvement was primarily driven by the rise in gross profit and partially offset by the increase in operating expenses. The net loss was $2.7 million and our cash position improved and grew from $209 million at the beginning of the year to $215 million at year-end. If I then go to the next slide with the full year results. Our revenues grew by 19%, which was a result of higher RUCONEST sales volumes and supported by a price increase, which was below CPI in the US market. The initial sales of Joenja was $18.2 million in 2023 following the launch in April of the same year. And revenues in Europe and the rest of the world increased by 12% to $6.2 million in 2023. The gross profit increased by $32 million or 17%, and this development was broadly in line with revenue growth. Our other income reflects for this year, well, 2023, the sale of the Priority Review Voucher to Novartis, which was for a pre-agreed price of $21.3 million and is a [Technical Difficulty] determined by the reduction of our minority stake in BioConnection. And at the time, we recognized a gain of $12.2 million. So that was in 2022. The operating costs increased by $64.5 million, of which $10.4 million is attributed to milestone payments for Joenja, following the first commercial sale in the second quarter of last year. An additional $25.7 million of expenses is directly related to R&D expenses and marketing sales expenses for leniolisib/Joenja, and $24.2 million increase was from payroll expenses driven by our expansion efforts in preparation for the launch and the further commercialization of Joenja. And finally we incurred impairment expenses related to our DSP facility and that was for an amount of $4.7 million in 2023. So the operating profit decreased from $18.2 million to minus $5.4 million and that was as a result of the increase in operating costs to build our Joenja business. The total net loss in 2023 amounted to $10.1 million compared to a net profit of $13.7 million in the year before and the decrease was primarily caused by higher operating costs. And in addition, fluctuations in foreign exchange rates adversely impacted the foreign currency results in the statement of income. On the next slide, we give an overview of the revenue in RUCONEST over the last years. And obviously, for last year, you see also Joenja. But RUCONEST has grown by 10% in 2022 and we saw a record RUCONEST revenue since the launch of the product in the US over nine years ago. Leniolisib is driving enhanced growth. We achieved overall 19% revenue growth in 2023 and we're very pleased with these results and with the continued growth of RUCONEST from 2021. On the next slide, you see the OpEx in cost category breakdown by quarter. And the message is that, we continue to invest in Pharming's future growth. I've provided more detail on the growth of the operational cost earlier. And specific to Q4, the operating expenses increased by $16 million in the fourth quarter compared to last year and $8 million so almost half of it was related to leniolisib and Joenja in terms of marketing, sales and R&D and $7 million was related to payroll expenses to support the growth of the organization. And for 2024, we expect quarterly OpEx to be less than the OpEx in Q4 2023. Now, moving on the next slide to the cash flow. As I said before, it increased from $209 million to $215 million. And the graph shows the key changes in our cash position. The cash flow from operating activities was negative and offset by the cash from the sale of the earlier mentioned Priority Review Voucher. And in addition, there were favorable currency exchange rate fluctuations with a positive impact on the cash and that was amongst others on the cash that we hold in euros and the euro dollar exchange rate increased throughout the year. And going to the revenue guidance for 2024 on the next slide. We give a revenue guidance of between $280 million and $295 million for 2024. And that means a growth between 14% and 20%. We, as in earlier years expect quarterly fluctuations. And Joenja is a significant driver of this revenue growth, but also we expect continued growth from RUCONEST. And the RUCONEST growth rate is higher than the guidance that we gave in 2023, because we expect some of the momentum from the second half of 2023 to continue. Last year's guidance was low single digit and we are confident to move that now to low to mid-single-digit growth for RUCONEST. The Joenja assumptions are that we expect continued growth in patients on paid therapy. And the pricing in the US is at an annual weighted average cost of US$566000 per year per patient. Now, moving on to the outlook for 2024. As I said, total revenue between -- expected to be between $280 million and $295 million. Joenja in the US, we expect continued progress finding additional APDS patients and that is supported by family testing and the US validation efforts, as mentioned by Anurag and subsequently converting patients to paid therapy. For leniolisib, outside of the US, we expect increasing revenues from commercial availability or through our named patient program and other funded early access programs in key global markets. We expect to complete leniolisib clinical trials to support the regulatory filings for approval in Japan and for the pediatric label expansion in key global markets, and we expect progress towards regulatory approvals for leniolisib in Europe, the UK, Canada, Australia and Israel. We will initiate and advance a Phase 2 clinical trial for leniolisib in PIDs with immune disregulation linked to PI3K delta signaling, to significantly expand the long-term commercial potential of leniolisib. And we continue to focus on potential acquisitions and in-licensing of clinical stage opportunities in rare diseases in therapeutic areas, like immunology, hematology, respiratory and gastroenterology, and that is to further leverage our commercial infrastructure globally. Now with that, I would like to move on to the next slide and open up for Q&A and hand over to the operator. Thank you.
Operator: Thank you. [Operator Instructions] And your first question comes from the line of Christian Glennie from Stifel. Please go ahead.
Christian Glennie: Hi. Good afternoon, guys. Let's start-off with RUCONEST, I guess, just to get a bit more of a sense for these underlying drivers, obviously, a very strong fourth quarter. You seem to be guiding for mid-single-digit growth in 2024 now. Is there a scenario in which you could get north of that and do another sort of 10%? Just trying to get a bit more sense for some of the drivers on RUCONEST this year?
Sijmen de Vries: Yeah. Thanks, Christian, very nice question. Yeah. RUCONEST indeed has some very strong, and Steve was already alluding to it has some very strong underlying indicators in the market, which he says continue into the first quarter. We are, of course, aware of the fact that, we are in a market which is a very -- lot of competition around. We continue to be optimistic, let's say, it's year 10, right? That's the RUCONEST in the market. So we can be optimistic by saying that we have the mid to -- low to mid-single-digit growth. And as and when we see indicating -- indicators moving towards the north, obviously, we will update guidance during the year. But now we would like to stick to that in respect to RUCONEST.
Christian Glennie: A natural follow-up to that, I mean you touched on this Stephen touched on this in the remarks around potential new entrants here on oral and convenience next year. Just to get a bit more insight I guess in terms of the patient profile here and what the sort of your market intelligence tells you that you aren't going to lose patients effectively to that convenience option.
Sijmen de Vries: Yes, I think Anurag and Stephen both -- sorry Stephen alluded to it already of course. We see a very different patient profile that are using RUCONEST. And basically speaking when you look at the clinical results of those new acute options, you see that there is a necessity to A, have multiple doses and B, still need rescue therapy. If you look at the RUCONEST results, the word rescue therapy doesn't figure because RUCONEST is protein replacement therapy for that missing C1 or not functioning C1 inhibitor protein in patients with hereditary angioedema. Hence why we believe that these products in fact serve a different segment of the population that suffers from hereditary angioedema where we will see -- we expect therefore that these oral acute products, if approved, of course, will serve that patient segment that is now currently of course using a lot of convenience products as well such as subcutaneous injections that are by the way very stinging and painful and which you have to give repeatedly often to treat one attack and that the hurdle for those patients to actually step over into an oral would be fairly low. Whereas, I think that patients that rely on RUCONEST that are not used to any convenience in therapy but are relying on the reliability of efficacy of RUCONEST that hurdle will be a lot higher. What can never totally exclude of course that patients will try it and may be successful. But on the other hand we -- like we said, we serve a very different patient profile with very -- with higher attack frequencies then we see in all those clinical trials that are being done by those new oncoming competitors. I hope that answers your question sorry to be a little bit long line of here Christian.
Christian Glennie: No, that's very helpful. Thank you. And then one final one on Joenja and I get back in the queue. I guess your guidance implying RUCONEST 5% gets to about 240, so Joenja the balance is somewhere between 40 million and 55 million for this year if I'm understanding it correctly. And therefore what are your assumptions around the sales and markets that will contribute to that growth and what gets you to the low and high end of that? So, is it mostly still U.S.? Or will there be reasonable contributions from other markets?
Sijmen de Vries: I think what -- first and foremost, obviously, as you heard from Anurag a lot of -- and Stephen -- a lot of activities are ongoing to find those patients in the U.S. However, the first numbers of patients that we had of course are on drug. We will see inflow -- steady inflow in the United States during this year from for instance family testing efforts that will be systematically applied as we -- as you heard. The other thing is, of course, there will be small batches of initially small batches or U.S. tested and that will actually deliver, albeit in the beginning a limited number of additional patients as well, whereas by the end of the year, but that's more for 2025, of course, we expect that may experiment what Anurag talked about at combinatorial experiment to deliver the bulk of the U.S. And as soon as we have a bit more indication of what kind of percentage we actually have on POS we will of course update the market there as well. But it's a little bit early days for that at this point in time. Now that's for the US market. With respect to ex-US, we don't expect any significant sales from the European markets because obviously as you know reimbursement takes a lot of time. So the European market sales will only cut in -- in 2025 and further on even further on because some of those markets will take multiple years before you get an approval. So the ex-US sales will mainly come from those early access programs, paid early access programs in some of those markets and from the name patients that are actually already being served. And that's what you can also expect of course for instance in the 1Q results you will see that there is some sales reported ex-US because that's ongoing as we speak. So in other words the fluctuation in the Joenja numbers I think depend on mainly I think on the numbers of patients that will come of course from the US market. I hope I answered that question, Christian.
Christian Glennie: Yes. Thank you. Thanks, Sijmen.
Operator: Thank you. We will now go to our next question. And your next question comes from the line of Alistair Campbell from Royal Bank of Canada (TSX:RY). Please go ahead.
Alistair Campbell: Thanks, everyone. Thanks for taking my question this morning. I have a couple on Joenja if that's all right. First of all, obviously, Joenja is launching very well in the US and you talked about I think at over a 90% adherence rate which is good. But just in the context of that just sort of to confirm that what you're actually seeing in real-world use is kind of a line of what you saw in clinical trials in terms of side effect profile and stuff of that that will sort of get a sense of that? And then secondly, just thinking about the second indication the PID with immune disregulation, obviously that's going to cover a variety of different genetic causes. And I guess what I'm trying to get for myself as a feeling of the risk around the profile of this program. I mean basically is your expectation that all of those genetic dysfunction areas really biologically should respond? Or you think some of them will? Or do you think they're all high rates? I'm just trying to get a sense of what the risk profile looks like. I mean my feeling is that at least some of those should probably come through but just to get a sense of how you view that would be great? Thank you.
Sijmen de Vries: Happy to hand it over to Anurag, of course, here in this case. Anurag would you mind answering that question?
Anurag Relan: Sure. So maybe we'll start with the second question first about the additional indication in primary immune deficiencies with immune disregulation. And you're right we're looking at a number of specific genetic variance, genetic mutations that are causing these -- this altered signaling. And that already has been described, right? So it's known that patients with ALPS, that patients with CTLA-4, that patients with P10 deficiency have this abnormal signaling through that pathway. It's also known that they have immune dysregulation as a result of that. And then lastly, they're being treated with immunosuppressive therapies such as rapamycin to modulate that pathway. So we think it's quite logical to try to modulate the pathway with leniolisib in the same way that we did with APDS patients. So I think from our perspective and really this program came to us through our interactions with the immunology community. They -- through numerous through all the work that we're doing on APDS they kept on saying "Look there are other patients that they believe could benefit and they listed all of these reasons that I just mentioned to you" and it was really on that basis that we partnered again with the NIH who are leaders in the specifically in these areas of ALPS and CTLA-4 haploinsufficiency to come up with this clinical trial program, because they were so enthusiastic about being able to one address the unmet need, but two to be able to use something that they were very comfortable using for APDS and they have that confidence because they've been treating patients with APDS with leniolisib for several years. And I think that comes to your second -- or your first question, which was on the really the real world use of leniolisib, and how does that compare to what we've seen in the clinical trials. And I think what we're seeing is number one, we're seeing that it is continues to be generally safe and well tolerated. So we're seeing nothing new from our pharmacovigilance efforts on the real-world use suggesting a different safety or efficacy profile. But two, I think what we're also hearing is a lot of the other benefits that we didn't even capture in the clinical trial program. So -- and we're going to -- and we're trying to get all of that data. We -- in fact we have a registry underway in the US where we're going to be following APDS patients longitudinally and we hope actually to try to capture a lot of the data that we didn't address in the original clinical trial because we weren't aware of all of the possible benefits that these patients experience. So I think that's something else to look forward to as the year continues.
Alistair Campbell: Just a quick follow-up on that. When do you think in the sense of timing you might have something from the registry that would be worth sharing with us and obviously with physicians?
Anurag Relan: So the registry is just underway, but we are continuing to collect and publish data from the use of expanded access. So these are again, this is essentially compassionate use patients in the US who don't qualify for commercial drug or outside the US who are on therapy. We are collecting that data and we've shared some of that last year. You'll see a lot more of that data from the expanded access program or case reports or case series of patients in the expanded access program. You'll see that at conferences this year. I think the registry because it's just started, I think that's more likely to be a 2025 type of data. But I think that you're going to see through the expanded access program data coming out this year that reinforces what we saw in the clinical trial program and really extends even beyond that
Alistair Campbell: Great. Thank you.
Operator: Thank you. We will now go to the next question. And your next question comes from the line of Joe Pantginis from H.C. Wainwright. Please go ahead.
Joe Pantginis: Hello, gentleman. Thanks for taking the question. So I have a couple of questions on Joenja. I'm going to start very specific and then just talk more to the broader disease if you don't mind. So first, Stephen earlier was talking about and of course you guys have great adherence rates. So I was curious on the other end what are some of the reasons you see for lack of adherence on the drug?
Sijmen de Vries: Thanks, Joe. Anurag, do you have any insights on that that you can share with Joe?
Anurag Relan: Yeah. I think it's really just one-off cases Joe, where in fact some of the cases where we've seen as these patients are underweight and they need to be put on a lower dose. So that's not possible in the commercial program. So that's one example that comes to the top of my mind, but it's not anything we're seeing from a safety point of view, that suggests any concern or something that we saw didn't see in the clinical trial program. So I don't think there's anything substantive here.
Joe Pantginis: That's very helpful. Thanks. And then, I guess, Sijmen, if I heard you correctly earlier it sounded like you might be disclosing in the future the role or the amount or proportion of VUSs as part of your Joenja revenue profile. First was that correct? And then, second, when do you anticipate -- I know this is really forward-looking that the VUS could start to have a real impact on the revenue growth for Joenja?
Sijmen de Vries: Yeah, so Joe that is indeed forward looking. Yeah, I said, indeed something like that. We're seeing -- you see that slide from Anurag, you saw in the middle there that those individual VUSs are now being evaluated. And that's actually starting and happening as we speak. So the first small batches of those are expected to come through in the very near future, which may give us some early insights on that. It's gone not -- like I said earlier, it's not going to deliver bulk of patients, but it will deliver patients. And the bulk, I think will be seen following the closure of the MAVE experiment which we expected as Anurag was alluding to by the end of this year. So I think 2025 will be the year where the bulk of the VUS patients will become available for treatment. I think that's a reasonable forward-looking statement for now Joe.
Joe Pantginis: Got it. No that's fair. And my broader question about the disease, sort of ties in with your recent data at Quad AI, obviously a very intriguing data with regard to the molecular diagnostics. And I guess, I would ask Anurag, the role that Joenja could play with regard to multiple statements made in describing the disease, where some patients do not have clinical actionability. So I'm just curious, first, can you -- for all of us help define why patients not -- might not be actionable from a clinical standpoint or medical standpoint and if Joenja could have an impact on that.
Anurag Relan: Yeah. So I think it's a good question. It's something we're doing a lot of work on is really educating patients and clinicians about APDS. I think it's a foregone conclusion amongst our team of course that this is a serious disease and that there's a significant mortality associated with it that many of these patients, unfortunately go on and develop lymphoma and lymphoma is key reason for the high mortality in these patients, the lymphoma that these patients develop is often not easy to treat. And the mortality rates are much higher than you'd see in other lymphomas for example, or in other patients. So I think there's a lot of education to talk about that. I think it's also important to recognize that these patients do have different clinical manifestations. So some patients that may be very obvious without a high infection rate, some patients infections may not be the most predominant feature, but it could be the Lymphadenopathy or the Enlarged Spleen. So I think it's really educating clinicians also on what to look for in these patients and to be able to monitor these patients. But really all of these patients, I think, have a serious condition and they all are potentially eligible for Joenja. So I hope that answers your question.
Joe Pantginis: Yeah. It certainly does. And my last question and thank you for bearing with me, it's more towards your continued strengthening balance sheet. And with that said, do you feel that you increased cash helps leverage additional business development discussions? And can you talk to the potential -- or can you talk to the relative maturity of some of your ongoing discussions to in license potential assets? Thanks.
Sijmen de Vries: Yes, Joe. Yes, thanks. Yes, of course, it always helps to have a bit more cash at hand in case one wants to do an in-licensing -- pursue an in-licensing opportunity, which of course, as we said before is our preferred modus operandi, because that's much easier to deal with than merging acquisitions. Having said that, I think with the arrival of Alexander Breidenbach, our Chief Business Officer, he's been really proactively working and we've got a very nice pipeline. We are in advanced stage of discussions with the couple of possibilities. So, we have a nice line of sight as we call it for opportunities that we are evaluating. However, as you know in business development, I said this before it doesn't count until you have a deal. So yes, but we remain very active. And I think what also is what we see is with our commercial success and with the ongoing ability that we are very successful in being able to market against competition in the HAE market and that we are basically know how to develop a new market even in a new disease, we get a little more visibility now that we are a company that is potentially an interesting partner of choice for those companies that should not go into commercialization, because they will become single product companies and commercialization is very expensive and very risky. And we basically, therefore, like I said, because we have now got this under our belt, become more and more we see that on the radar screen and we're getting a lot more inbound than we usually get. So, we are continue to be optimistic that we get some opportunity this year to update you on a deal that we have launched and that we have actually expanded our pipeline.
Joe Pantginis: Very helpful. Thank you for all the answers, guys.
Sijmen de Vries: Thanks, Joe.
Operator: Thank you. We will now take your next question. And your next question comes from the line of Hartaj Singh from Oppenheimer. Please go ahead.
Unidentified Analyst: Hey, everyone. This is Faee [ph] on for Hartaj. Thanks for the question. Two questions from our end. So, first one for RUCONEST. Can we still expect the seasonality for RUCONEST in first quarter sales as previous years? Any color on that? And the second one for Joenja, can you provide any color on the duration of the patients Joenja so far since Joenja was launched around like three quarters nine months and your estimates on the APDS patient number growth in 2024? Thank you.
Sijmen de Vries: Yes. Could I just hand it over to you Stephen, those questions, right?
Stephen Toor: Could you repeat the questions, because they weren't completely clear mind?
Unidentified Analyst: Sure. The first one for RUCONEST. So can you -- can we still expect seasonality for RUCONEST in first quarter sales as previous year?
Stephen Toor: Yes. So, thank you for clarifying. So yes, I think you can broadly expect to see similar patterns to those which you saw last year, because the same types of events are happening in the quarter. So for example, Q1 is the prior authorization season. And as we indicated last year, there is some disruption to government patients. So, as I said, we remain on track for what we expect to do this quarter. The leading indicators and the performance is where I expect it to be. But you should expect to see the same overall pattern through the year I imagine certainly in the first half.
Unidentified Analyst: Thank you.
Stephen Toor: And the second question?
Unidentified Analyst: For Joenja. So can we know some color on the duration of the patients on Joenja so far since it was launched around three quarters like nine months?
Stephen Toor: The duration of the patients?
Unidentified Analyst: Patients on Joenja --I don't know like if physicians these prescript like 30 days for each patient or like how long patients and the treatment
Stephen Toor: I've got you now. So as we mentioned earlier patients are adhering well unless there's either a weight issue or some such. So they're typically being prescribed on a monthly basis and dispensed on a monthly basis and we see that cadence with patients.
Unidentified Analyst: Thanks. So any estimates or projection on the APDS patient numbers growth in 2024 more specifically?
Sijmen de Vries: Yes. So like I said before we said we will continue to get new patients on product in the USA, right? The adherence rate is very high. It's of course chronic therapy. And we don't give any -- we will update -- sorry we will update the numbers of patients towards the future on a quarterly basis right when we get these results. Does that answer your question?
Unidentified Analyst: Yes. Understood. Yes. Thank you so much.
Stephen Toor: All right.
Operator: Thank you. We will now take our final question for today. And your final question comes from the line of Simon Scholes from First Berlin. Please go ahead.
Simon Scholes: Hello. Thanks for taking my question.
Sijmen de Vries: Hi, Simon.
Simon Scholes: So the exclusivity on RUCONEST in the US expired in two years' time a bit more than two years' time. I was just wondering if you -- what kind of impact if any you expect that to have on RUCONEST?
Sijmen de Vries: Yes. We expect no impact whatsoever on RUCONEST in that respect because we believe that there is nobody that actually is working on or has any appetite to develop the transgenic platform to make a biosimilar for this product given also that it is of course a great product but it has in the greater context not a huge commercial is not a huge commercial opportunity. So therefore no is the answer no effect. No impact.
Simon Scholes: Okay. And just -- I mean just a follow-up on that. I mean what's your current thinking on the likely timing of the first gene therapy in HAE, I mean, besides your own product of course?
Sijmen de Vries: I think that will be still a lot of years away -- only the first patients are being tested now gene therapy is not the quickest development pathway forward I would say. But maybe you can say something on that Anurag?
Anurag Relan: No. I think that said Simon that there's some initial results in a small number of patients, but I think this will require the typical development path Phase II, Phase III as well as long-term follow-up which will take several years at the minimum.
Simon Scholes: Okay. Thanks very much.
Anurag Relan: Thanks, Simon.
Operator: Thank you. I will now hand the call back for closing remarks.
Sijmen de Vries: Thank you very much. Yes, ladies and gentlemen, thank you for attending our full year conference. Like I said at the beginning, we laid in 2023 because of our very significant 19% growth in revenues related to foundation and the start of a long trajectory of growth which this company is now going on, embarking on. And of course, that's why we guide this year for additional significant growth for the revenues of fueled by of course, the continued growth expectations for RUCONEST and the continued growth of Joenja. And we feel very confident about the fact that we have started now all the systematic efforts to find those patients with the VUS patients, the VUS validation efforts we mentioned the family testing was mentioned. And of course the increasing availability of Leniolisib ex-U.S., where through our Named Patient Programs and other Early Access Programs we expect revenues. And of course, the completion of the clinical trials going forward that will support the approval in Japan in the future. This is of course not a 2024 story, as we all understand because, the file will only be ready to be submitted by the end of 2024. We look forward to receiving the regulatory feedback from the various regulatory authorities and expect approvals during 2024. And we are very, very excited of course, that we can significantly enlarge the potential of Leniolisib with that second indication PID with immunes regulation linked to the PI3Kinase Delta signaling to which Anurag alluded which is, a significantly larger opportunity going forward. And when there is, whether we believe there's a very, very strong scientific rationale underpinning and of course not something that we'll report in 2024, but we will be very happy to update you of course once this trial has started and once this trial of course has the results and hopefully brings us to the next stage in development of Leniolisib for that second indicated patient. And that is my ladies and gentlemen, not even the beginning, because we are looking at additional opportunities to look -- apply a Leniolisib in this -- in adjacent areas. And more of that -- no news that will be coming in the future about our efforts in that respect. And last but not least, as I was alluding to, we have a very interesting line of sight of opportunities to in-license or do M&A activities for clinical stage opportunities in rare diseases, where we are feeling most comfortable to deal in Immunology & Haematology Respirology and Gastroenterology. So thank you, again for attending our conference, our Full Year 2023 Results Conference. And we look forward to updating you on the next quarter results, sometime in May. Thank you very much. Goodbye.
Operator: Thank you. This concludes today's conference call. Thank you for participating. You may now disconnect.
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