Wolfgang Dummer
Analyst · Piper Sandler. Please proceed with your question
Thank you, Tarek, and good afternoon, everybody. As Raul said in his introduction, I just joined Rigel in November 2019. Before coming to Rigel, I’ve spent 11 years at Genentech leading the clinical development of ocrelizumab in immunology, now an approved drug for multiple sclerosis. I’ve also led a number of the Rituxan immunology programs. In addition, I was a VP of clinical development at Biomarin Pharmaceuticals for 5 years, which gave me a lot of insight into rare disease drug development at a world leading company in that space. So taken together, I’m quite familiar with the space that Rigel’s right now. And it was clear to me that we should be a great fit for each other moving forward, and I’m very excited about that. Slide 15. So here are a few things summarized that do make me really excited to be here. Number one is, of course, TAVALISSE, which is our SYK inhibitor with a distinct mechanism of action. This molecule has a broad potential in theoretically many different indication. As Raul mentioned, this product is the cornerstone of our business and supporting its commercial success, we will continue to be a top priority you for my team. That includes maximizing existing data and generating new real growth data in ITP that will help to continue to educate the treating physician. Tarek already mentioned the powerful data from Phase 3 showing that 78% of ITP patients with the point of TAVALISSE when the drug was used to second-line therapy. Following the presentation of this data at ASH in November, we are working to submit these findings and other findings as manuscripts soon for publication in peer-reviewed journals for broader distribution to reach as many treating physicians as possible. Regarding new real-world data generation in ITP, we’re planning to launch an observational study of TAVALISSE used second-line therapy later this year. To better understand, how TAVALISSE is used in clinical practice and further characterized the clinical benefit in that situation. That would generate data streams on TAVALISSE in ITP starting in 2021. Another work stream and top priority of my team is to expand TAVALISSE into new indications beyond ITP. As you heard earlier, we are currently enrolling a Phase 3 trial of TAVALISSE in warm autoimmune hemolytic anemia. AIHA is a real order antibody-mediated block disorder, in which patients suffer from falling hemoglobin and associated fatigue, shortness of breath, all the way down to the risk of heart failure and death. I think this is a great opportunity for TAVALISSE since we know there’s really no FDA approved therapy for disease at this point. Enrollment in this rare disease indications and typically extremely difficult, but I’ve seen that and dealt thorough the situations a lot, especially over Biomarine where we did only trials in the rare diseases, and I’m very familiar how to deal with this obstacle. And as you will see that the program is progressing nicely. I’ll give you a little bit more detail in a while. And while we are driving to completion of the Phase 3 trial, my team has also started partnering closely to the commercial team to prepare for the potential commercial launch of TAVALISSE in the year 2018. We’re also continuing to explore the next indication for TAVALISSE suitable to expand the label, and while evaluating all the possible disease indications where TAVALISSE may work. It is really super exciting to see how broadly this mechanism of action could benefit patients in so many different areas. Looking a little bit further ahead in the future, we have also 2 molecules that are scientifically very compelling, and we’ll have, in my opinion, huge potential. One is our IRAK 1/4 2 of kinase inhibitor. We have a very nice pre-clinical data that shows that inflammatory cytokine production can be inhibited more profoundly with IRAK1/4 dual targeting, over IRAK4 alone inhibition. By targeting these kinases, we interfere with several cytokine that have already been shown to demonstrate efficacy when inhibited with monoclonal antibody, which help you there’s an enormous opportunity in several large indications, but also in some rare diseases. And the other pipeline molecule in a kinase inhibitor that has shown extremely favorable PK data in healthy volunteers, allowing for very convenient dosing options. Just like IRAK, RIP inhibition could find application in several large and small indications, I’ll come back with more details on both molecules later in this presentation. Slide 16, now let’s have a closer look at our ongoing pivotal Phase 3 trial with TAVALISSE in autoimmune hemolytic anemia. As a reminder, we plan to randomize 80 patients, 40 per arm assigned double-blind to be the placebo or TAVALISSE. The blinded study duration is 24 weeks, after that patients can roll over into an open-label extension period. The primary end point is hemoglobin response defined as a hemoglobin level of greater than 10, and an increase of 2 grams per deciliter from baseline There’s also a durability measure, which we will provide once confirmed with the FDA. In our Phase 2 study, we saw 44% of patients achieved such a hemoglobin response. We had not formally set a durable endpoint in that Phase 2, but based on post-hoc analysis from that study, we all optimistic we can achieve that and see a positive outcome in Phase 3. If you look out taken enrollment numbers in this very difficult to enroll patient population you will understand why we are extremely pleased. We have 34 patients randomized so far, 29 of them in the last 3.5 months. And we also close to have all our sites open that puts us in a good position to reach completion of enrollment in mid-2020 and that could give us top-line data by mid-2021. We also think, we are the most advanced in AIHA development and that gives us a chance to become the first FDA approved drug for this disease, which is particularly exciting. And if approved that indication would be a very nice addition to the ITP indication, because really the doctors who prescribe TAVALISSE for ITP, are also the ones who prescribe for AIHA. And that could create obviously nice synergies since the doctors and nurses already familiar with the safety of efficacy profile of this product and we already have using strong relationship with those healthcare providers via our Medical Science Liaison groups and our territory business managers. Slide 17, as I mentioned earlier, we are continuing to work on identifying a mixed indication for TAVALISSE. And there are several very compelling indications that we believe could be a great opportunity to pursue. We expect to have exclusivity for the molecule out to 2032, and we will certainly take advantage of that as much as possible. Regarding our new molecular entities, our IRAK1/4 inhibitor program that is making good progress in the clinic. IRAK1 and IRAK4, as you have heard before, probably our kinases downstream from the toll-like receptor and the IL-1 receptor family. Our lead molecule R835 inhibits both IRAK1 and IRAK4, which enables a more profound inflammatory cytokine inhibition then targeting IRAK4 alone. And we believe there could be a substantial competitive advantage. In several preclinical models, we’ve seen very compelling efficacy data and given the inhibition of cytokines like TNS-alpha, IL-6, IL-23, IL-12. It is obvious that the potential for this drug seems huge to me, both in some very large indication as well as in some rare diseases. We’ve already done 1 healthy volunteer study, in which the drug was generally well tolerated, and we demonstrated proof of mechanism in that study with a successful cytokine inhibition after an LPS challenge. That is a big success in healthy volunteer study. The other extremely promising molecules are systemic RIP1 inhibitor, R552I. The RIP pathway is known to be downstream from the TNF receptor, and is implied in necroptosis in the reviews of damage associated molecular patterns, so called DAMS, that suggests the door should be open to diseases where anti-TNF drugs are effective, or where DAMS may play a role. So once again, great potential in several large indications as well as some rare diseases. We’re currently dose escalating in human healthy subjects with this molecule. And so far, the safety is entirely clean. Importantly, we see a very attractive PK profile with a long half-life of 15 hours, which enables once-a-day dosing, and that makes the compound very competitive in the field. We also plan to select a first human disease indication by the end of the year, and that makes me particularly thrilled. We’re also working diligently in research on a RIP kinase inhibitor that passes the blood-brain barrier and reaches the central nervous system that would allow study in this pathway in neurodegenerative disorders in the future. So overall, lots of option, lots of opportunities, lots to be excited about it. And with that, I’ll hand over to Dean for review of the financial. Dean?