Stan Erck
Analyst · Oppenheimer. Your line is now open
Thanks, Erika. Welcome to our fourth quarter and full-year 2018 earnings call. So, today's call will be relatively brief because we have provided you an update via a teleconference a few weeks ago concerning the Phase 3 results of ResVax. In 2018 and through the beginning of the first quarter of 2019, the Novavax's team has focused on advancing our two lead programs ResVax and NanoFlu. I'm happy to say that we have achieved significant and important results for both programs. As we highlighted on our call at the end of February, ResVax is the first RSV vaccine to demonstrate efficacy preventing RSV disease in a Phase 3 clinical trial. The successful Phase 2 results for NanoFlu that we delivered earlier this year provide us the opportunity to discuss with the FDA the use of accelerated approval for licensure of our vaccine. We are now prepared to make meaningful advances in both programs during 2019. I'll start today's call by providing an overview of our ResVax program followed by an update on NanoFlu. John Trizzino will then provide a summary of our financial results. After that, we will open up the lines for questions. So let’s get started with the ResVax overview. As we've discussed with you at length before, it will be difficult to overstate the rationale for developing an RSV vaccine for infants. Statistics show that RSV is the leading cause of hospitalization in infants in the U.S. especially in the first six months of life. It is the second-leading cause of infant mortality globally in children under one year of age. Although, we were disappointed to announce the Prepare trial did not meet the pre-specified criteria from primary endpoint, ResVax did however demonstrates statistically significant efficacy against hospitalization associated with RSV in lower respiratory tract infection at 44% with the lower band of confidence of nearly 20%. Also important results from pre-specified exploratory endpoint which addressed the most severe consequences of RSV highlight the potential of our vaccine to prevent, to improve global health against RSV disease. As expected, the safety profile of RSV appears benign in both mothers and infants. As we continue to review these data, we've found a geographic imbalance in that efficacy in children born in United States was lower compared to the rest of the world by most measures. This seem to be related to the timing of immunization in relation to where the babies were born which may have influenced both immunity and exposure to RSV. We expect to provide more details in future publications and presentations. Prevention of hospitalization and more severe RSV illnesses is the key finding that there is further discussion with regulators, key opinion leaders and healthcare policy makers. ResVax showed the very clear and robust effects of 25% reduction in all-cause respiratory hospitalizations and a 39% reduction of all-cause severe hypoxemia in infants and immunized mothers through six months of life. In addition to the obvious health benefits for infants and their families we believe this could have a major impact on the overall economic burden of RSV disease globally. Since completion of the trial, we have shared much of the available data with our clinical investigators and with other key opinion leaders. The unanimous feedback we get is that these results represent material advance in pediatric health. We were also pleased that our partners at the Bill & Melinda Gates Foundation recognized the importance of reducing hospitalization in severe hypoxemia, which are risk factors for infant mortality, a key element of the foundation's mission of reducing infant mortality. Given these results question on all our minds is what can Novavax do to get ResVax licensed in other market? We believe the answer is, first, to complete our assessment of these data and put together detailed briefing documents for global regulatory authorities that demonstrates and supports our findings. We intend to discuss these data with regulatory authorities with the goal of understanding whether these data can support licensure. Following discussions with the regulatory agencies and based on the recommendations made during these meetings, the following paths will be considered. First, the data could be sufficient for licensure and we would then submit marketing applications. Second, the data could be sufficient for licensure and we will submit marketing applications with the commitment to conduct the post-licensure trial. Or third, we may need to conduct the additional trial and then include the result and confirmatory data within the marketing applications. While we hope for one of the first two responses, we are prepared for any of these responses and we will timely develop plans based on feedback. As I said on our call in February, we are planning to have discussions with the FDA, the European Medicines Agency and other national regulatory authorities. All of these discussions take time to set up, but we are pressing to have them as soon as reasonably possible, hopefully in the second quarter or early third quarter of this year. We will provide an update on our progress at the appropriate time. In parallel, we continue to assess the best partner for our ResVax program, and perhaps multiple partners with capabilities in different geographies. Partnering includes the potential combination with large multinational vaccine companies, smaller regional vaccine companies and hopefully one or more global health sponsors [or United nations] [ph]. We are having new and ongoing discussions with all of these types of partners and will keep you posted as these discussions progress. An important element for our potential partners is how our various regulatory discussions proceed. I believe that we will reach the conclusions on partnering shortly after we get more regulatory clarity. Let me conclude my remarks on ResVax by summarizing a few key points. Our ResVax vaccine works well by preventing more serious consequences of RSV infection. It’s stable, the vaccine has an exceptional safety profile to-date. We are focusing on addressing one or more regulatory pathways and we are continuing to execute on a global partner strategy. Switching gears to our NanoFlu program. As a reminder, we started 2018 with very encouraging Phase 1/2 clinical results. Data from that trial demonstrated significantly improved NanoFlu hemagglutinin responses as compared to Fluzone High-Dose the leading competitor vaccine in overdose. These data were published in the New England Journal of Medicine last June a significant distinction for early stage clinical trial results. In a subsequent 2018 meeting, the FDA acknowledged and agreed that the accelerated approval pathway could be available for NanoFlu. As many of you know, the accelerated approval pathway will allow Novavax to conduct a well-controlled Phase 3 trial designed to meet established immunogenicity endpoints against a licensed comparator with a commitment to conduct a confirmatory post-marketing trials to demonstrate clinical effectiveness. We conducted a Phase 2 clinical trial of NanoFlu in the fall of 2018 in the United States, and a couple of months ago, we announced positive top line results. This trial compares the safety and immune responses with various quadrivalent formulations of NanoFlu with or without our Matrix-M adjuvant with two U.S.-licensed influenza vaccines in 1,375 healthy adults, 65 years of age or over. All formulations of NanoFlu were well tolerated and elicited vigorous immune responses to the [core strength] [ph] included in the vaccine. NanoFlu also demonstrated significantly improved hemagglutinin inhibition or HAI, antibody responses against wild-type H3N2 viruses, including drifted strains when compared to Fluzone High-Dose. As you may remember, H3N2 is currently the strain that causes the most morbidity and mortality in overdose in United States. We will again meet with the FDA in the next couple of months to discuss these Phase 2 data with the proposed Phase 3 trial design and the potential use of accelerated approval pathway for licensure. If FDA agrees with this approach given our successes with Phase 1 and 2, we believe we can confirm these results in the pivotal Phase 3 trial. With that update of our two key programs complete, I'll now turn the call over to John to present the financial overview of the quarter.