Bill Marshall
Analyst · Wedbush Securities. Please proceed with the question
Thanks, Dan. Good afternoon, everyone. And thank you for joining us for our corporate update call for the second quarter 2019. We issued a few important announcements this afternoon, which will be the focus of today’s call. In addition, we will be providing updates on the events impacting each of our three clinical stage product candidates. First, we have regained EU and rest of world rights to MRG-110, in addition to the U.S. and Japanese rights that we had retained in our agreement as a result of Servier’s portfolio realignment and decision not to pursue the development of MRG-110. Servier will continue to support the program under the terms of our agreement through February 2020. While we can appreciate the difficult strategic decisions that companies such as Servier required to make, we believe that MRG-110 could benefit patients worldwide. We believe the safety and tolerability profile and preliminary proof of mechanism in humans generated in the Phase 1 studies position MRG-110 as a Phase 2-ready asset for cardiovascular indications and other indications that would benefit from tissue repair and enhanced blood flow. We expect to release Phase 1 data at an upcoming scientific conference in the fourth quarter of 2019. While we’ve not announced future development plans for MRG-110, we may seek a new development collaboration for this product candidate in the future. We also announced that the team has opened over 50% of the total sites currently planned for the SOLAR trial. While we initially experienced delays in activating sites, recruitment rates at those sites are now on pace with our initial predictions. However, due to the impacts of the delays we experienced early in the onboarding process, we now expect to report primary endpoint data from the SOLAR trial during the first half of 2021. Considering the developments around MRG-110 and the SOLAR trial as well as our current cash position we made a difficult but disciplined decision to move ahead with a restructuring of the business in order to focus our resources primarily on the clinical development of cobomarsen, remlarsen and microRNA-29 mimics. I’ll provide more details in a moment. Let me now turn to a more detailed review of our pipeline and recent updates. I will start with MRG-110. We are finalizing the analysis of the results from two Phase 1 trials which were designed to deliver safety information about MRG-110 and also provide proof of mechanism evidence that could be used to support future clinical trials for the treatment of heart failure and other conditions where patients may benefit from increased vascular flow and accelerated healing, such as complicated lacerations in high risk patients. We expect to report Phase 1 clinical data on MRG-110 at an upcoming scientific conference in the fourth quarter of 2019. We can see today that based on our review of the data from these Phase 1 trials, MRG-110 was generally safe and well tolerated and we believe the program is ready to advance into Phase 2 clinical development. MRG-110 represents the third microRNA targeted product candidate from our team has developed. That has been generally safe and well tolerated and with preliminary proof of mechanism data in humans. We believe this differentiates miRagen technology and demonstrates the capabilities of our team to develop microRNA targeting product candidates. Turning to our lead program, cobomarsen. As a reminder, cobomarsen is an oligonucleotide inhibitor of microRNA-155 being developed in a type of blood cancer known as cutaneousT-cell lymphoma or CTCL, as well as several other blood cancers where the disease process appears to correlate with the increase in microRNA-155 levels. I am pleased to report that we’ve ramped up site initiation for the SOLAR Phase 2 clinical trial which began dosing patients this past April. As a reminder, we are initiating clinical sites in the United States, Europe, and Australia with the goal of opening up to approximately 58 sites in 11 countries worldwide to enroll approximately 130 total patients. Today, we’ve opened more than 50% of the sites for this trial. As I mentioned earlier, while we have experienced delays in the activating sites, recruitment rates at these sites are now approaching the pace we initially had predicted. Considering this update on the sites and patient enrollment, we now expect to report primary endpoint data from the SOLAR trial in the first half of 2021 instead of the second half of 2020 as we previously guided. The primary endpoint for the SOLAR trial is ORR4, where the objective response rate defined as 50% or great improvement in the severity of a patient’s skin disease over the entire body with no evidence of disease progression in the blood, lymph nodes, or viscera maintained for at least four consecutive months. Progression-free survival will be a secondary endpoint. We plan to use patient-reported outcomes as additional secondary endpoints to monitor quality-of-life improvements. Based on discussions with the FDA, we believe that achieving the primary endpoint from the SOLAR trial could allow us to apply for accelerated approval of cobomarsen in CTCL in the United States. We are conducting the SOLAR trial in association with the Leukemia and Lymphoma Society. Partnering with the society is providing miRagen with invaluable support, which includes up to $5 million in equity funding upon the completion of specified trial milestones, as well as help in identifying and supporting potential patients. During the second quarter, we also announced new data from the adult T-cell leukemia lymphoma or ATLL cohort of our Phase 1 trial of cobomarsen, in an oral presentation at the 19th International Congress on HTLV. This new data showed continued durability of disease stabilization observed in patients with aggressive subtypes of ATLL. As a reminder, this patient population historically has a very poor prognosis with few potential long-term treatment options. The data generated to-date for patients treated with cobomarsen combined with a favorable tolerability profile supports our belief that cobomarsen may be a meaningful potential treatment option for patients with aggressive forms of ATLL. We believe these clinical observations in another microRNA-155 elevated tumor type also supports the hypothesis that cobomarsen may have utility in treating other malignancies with elevated microRNA-155 levels. Turning to remlarsen, we are currently conducting a Phase 2 clinical trial assessing the safety, tolerability, and activity of remlarsen in the potential prevention or reduction of keloid formation in subjects with a history of frequent keloid scars, a persistent form of hypertrophic scarring. The trial has completed its enrollment and we expect to report data before the end of this year. We are also exploring the antifibrotic effects of remlarsen in the eye. In April, we announced new data from our preclinical studies at the 2019 ARVO meeting which support our belief that remlarsen may serve as a novel therapeutic for the prevention of corneal scarring and hazing following ulceration due to infection or injury. This data follows on the data announced earlier this year from our preclinical studies investigating the antifibrotic effects of remlarsen in corneal ulceration, which suggest that topical application of remlarsen may be an effective treatment to improve vision in patients suffering from multiple conditions resulting in corneal scarring. We believe these data further supports that the topical application of remlarsen may be an effective treatment to inhibit corneal fibrosis and scarring. We believe remlarsen has the potential to address a significant medical need as scarring of the cornea remains a leading cause of blindness worldwide with no approved pharmacological treatments. In May at the 2019 American Thoracic Society, we reported new data demonstrating that systemic administration of our second generation microRNA-29 mimic, our preclinical product candidate for idiopathic pulmonary fibrosis or IPF; efficiently reduced extracellular matrix deposition in a series of preclinical studies. We believe that these data coupled with previous observations in humans with IPF support the role of microRNA-29 in pathologic fibrosis in the lung as well as the use of microRNA-29 replacements as potential therapeutics in pulmonary fibrosis. This completes my review of the key programs in our development pipeline. While we are pleased with the continued progress across each of these three programs, some of the recent events that I just described have impacted our timelines and prompted our decision to implement a restructuring plan that is focused on reducing costs and directing our resources to the advancement of cobomarsen and microRNA-29 mimics, including remlarsen, while reducing investments in discovery research. This restructuring plan follows a review of our cost structure which resulted in a reduction of 26 positions. These reductions are primarily in positions relating to research and corresponding project, general, and administrative support and other costs related to these areas. We believe the alterations to our cost structure will allow us to continue to move forward with clinical and preclinical data generation that will inform future development decisions for our product candidate pipeline. Before I turn the call over to Jason, I want to thank all of our employees as we work through the cost restructuring. We appreciate their diligent efforts in advancing each of our clinical stage product candidates and I look forward to reporting on a number of clinical milestones and data announcements in the second half of 2019. With that, I will now turn the call over to Jason Leverone, our Chief Financial Officer to review the financial results we’ve reported earlier today. Jason?