Neal Fowler
Analyst · Wedbush Securities. Your line is now open
Good morning. And thank you for joining us as we summarize Liquidia's results for the fourth quarter and year ended December 31st 2018. Joining me today are Kevin Gordon, President and Chief Financial Officer; and Dr. Robert Roscigno, Senior Vice President of Product Development and Program Lead for LIQ861. This morning, I will update you on our pipeline progress, which includes our lead product candidate LIQ861 for pulmonary arterial hypertension or PAH, currently been evaluated in a Phase III study, and LIQ865, our injectable, sustained-release formulation of the non-opioid anesthetic bupivacaine to treat local post-operative pain. Kevin will provide highlights of our financial results for the fourth quarter and full year 2018. And then I will wrap up with an update on our upcoming key milestones in 2019. After our prepared remarks, we will open the call for your questions. We will began with our lead program LIQ861, an inhaled dry powder formulation of treprostinil, designed using Liquidia's proprietary PRINT technology to enhance deep-lung delivery using a convenient palm-sized disposable device for the treatment of PAH. Given that PAH is a rare chronic and progressive disease, we believe 861 has the potential to improve a patient's overall quality of life. As an inhaled product, we believe 861 will minimize the systemic side effects seeing with oral and infused prostacyclin base products, while also overcoming the limitations of current nebulized therapies to safely deliver higher doses into the lungs. In January of this year, we've recorded positive interim safety data from our pivotal Phase III clinical trial known as INSPIRE. 861 was observed to be well-tolerated in 109 PAH patients at the two week time point, the period, which addresses the FDA's request for data inclusion and our NDA submission. 861 was evaluated at doses up to 125 microgram capsule strength with no study-drug related serious adverse events or dose-limiting toxicities observed. The treatment emergent adverse events reported were mostly mild in nature and consistent with inhaled process cycling therapy. Patients have continued to receive treatment beyond two weeks with the first patient dosed in March of 2018. To date, a maximum tolerated dose has not yet been reached with 861 administered at doses up to 150 micrograms in capsule strength. As a reminder, the primary objective of the INSPIRE trial is to evaluate the long term safety and tolerability of 861. The trial is designed to evaluate two groups of PAH patients: first, patients who have been under stable treatment with nebulizer-delivered treprostinil for at least three months in our transition to 861; and second, patients who have been under stable treatment with no more than two non-prostacyclin oral PAH therapies for at least three months, and have their treatment regimen supplemented with 861. Patients who transition from nebulizer-delivered treprostinil at a stable does were initiated at a dose of 861 lower than their current stable treprostinil dose. Patients adding 861 for current non-prostacyclin oral therapies started at a 25 microgram capsule strength. In both cases, 861 was uptitrated in 25 microgram incremental capsule strength doses to symptom-relief or the limit of tolerance. We are encouraged with the trial results to date and believe they support the therapeutic potential and versatility of 861 to treat patients across different functional classes. Specifically, we enrolled the safety portion of the trial faster than expected, driven primarily by the interest from Functional Class II prostacyclin patients. We have not observed any new adverse events compared to previous studies of inhaled treprostinil. And we have safely increased the dosage of treprostinil to levels higher than current approved nebulized therapies. These early observations suggest that 861 maybe an attractive alternative to current inhaled and oral delivery of prostacyclin-based therapies. The INSPIRE trial is nearly fully enrolled. We are focused on completing the PK sub-study and remain on track to report results in the second quarter of this year. The sub-study is designed to compare bioavailability and PK of treprostinil as patients are transitioned from nebulizer-delivered treprostinil to 861. We also plan to continue treating patients in the INSPIRE trial and to collect data to further support our future marketing and commercial activities with additional medical information. In addition to the U.S. based INSPIRE study we are currently working with selected sites in the startup phase of the European clinical trial that will explore the hemodynamic effects of 861 in PAH patients. Although the data is not required or expected to be included for U.S. registration, we believe the study will help inform the medical community of 861's impact on right heart function as assessed by acute and chronic hemodynamic measurements. The study is also the first step in our clinical development program in Europe. Overall, we are pleased with the progress we've made advancing this program and we are focused on our plans to submit the NDA for 861 in late 2019. Next, I would like to highlight LIQ865, our second product candidate, which has been evaluated in two Phase I studies. 865 is an injectable, sustained-relief formulation of the non-opioid anesthetic bupivacaine, to treat local post-operative pain for three to five days with a single administration. The opportunity for 865 is to increase the options for long lasting, safe, effective pain relief that can reduce the need for opioids in that early days following surgery. We recently presented safety pharmacokinetics and pharmacodynamic results from our first Phase I study of 865 at the 17th Annual Pain Medicine Meeting held by ASRA, the American Society of Regional Anesthesia and Pain Medicine. This presentation highlighted data indicating that 865 doses were well tolerated in healthy volunteers and the pharmacodynamic response was consistent with a local anesthetic effect lasting for or more days. This poster presentation is available on our website on the publication's page. Our next step for the 865 program is initiating Phase II enabling toxicology studies. The first is scheduled to begin in March with a goal of having this asset Phase II ready by the end of this year. Before I wrap up, there's one other recent development that we'd like to highlight today. Liquidia has been accepted by the FDA into their Center for Drug Evaluation and Research, or CDER, Emerging Technology Program. This program was created to promote the adoption of innovative approaches to pharmaceutical product design and manufacturing technologies likely to improve product safety, identity, strength, quality and purity. It supports innovation by providing a forum for sponsors such as Liquidia to engage the FDA while in development, and is intended to provide consistency, continuity and predictability and review and inspection. We're thrilled to have been accepted into this program and intend to meet with the emerging technology team members in the near future to discuss our novel PRINT technology. In summary, we've made meaningful progress across our clinical programs and are keenly focused on delivering on the next set of milestones. With that, I will now turn the call over to Kevin to cover fourth quarter and full year financial highlights.