Helen Torley
Analyst · Piper Jaffray
Thank you, Jim. Good afternoon everyone and thank you for joining us today. I’ll begin the call with the key takeaways for the quarter. Firstly, following the release of our positive Phase 2 HALO-202 data last month, we continue to see increased momentum in our clinical development program for PEGPH20. In the HALO-301 study our global study of PEGPH20 in pancreatic cancer patients, patient screenings have increased during the two months of the year and interest from opinion leaders and investigators in our science has never been higher. At the same time, we are making progress in the dose expansion portion of our KEYTRUDA study and waiting for the start of our collaborative studies with Genentech Tecentriq in multiple tumor types. Secondly, we are pleased with the recent progress and have strong confidence in the growth potential of our ENHANZE platform, which is a key differentiator for Halozyme. Data presented at ASH by Genentech and Janssen on their programs using ENHANZE reinforces that value creating potential that exist through our current partnerships. In addition, we foresee continued growth in royalty revenues from currently marketed products. Our team remains focused on delivering new ENHANZE partnerships, as we support existing partners to advance their program. And thirdly, our results again demonstrate the financial strength of our business models. We reported a 65% increase in royalty revenue and exited the year with more than $200 million in cash, the ability to generate revenue as we invest for the future in oncology is a key differentiator of our business model. And continue to distinguish of the company in the fourth quarter. For additional details on our progress, I will start with an overview of our strategy. As a diversified oncology biotech company, we operate our business and make investment decisions in two strategic pillars. The first pillar is our oncology pipeline with investigational drug PEGPH20 at the core. PEGPH20 temporarily degrades hyaluronan, a glycosaminoglycan or chain of natural sugars in that body that can accumulate around certain tumors and constrict the tumor vasculature. In animal models, we have demonstrated that degrading hyaluronan or HA reduces tumor pressure, increasing blood flow and thereby the access of cancer treatments into the tumor. We are most advanced in evaluating PEGPH20 in pancreatic cancer. Each year more than 100,000 patients in U.S. and EU5 were diagnosed with pancreatic cancer. Of which are estimated 65,000 have metastatic disease. PEGPH20 as a targeted therapy being developed for patients with high levels of HA and in the U.S. and EU5 it is estimated that there are approximately 25,000 HA high pancreatic cancer patients annually. With five-year survival of patients with metastatic disease at just 3% that remains major unmet need. And we would expect the high degree of market penetration upon the approval of PEGPH20. We are also evaluating the pan-tumor potential of PEGPH20 in a range of solid tumors. And on an annual basis project that there are an additional 50,000 non-small cell lung cancer, gastric cancer and breast cancer patients who are HA high. Our work in oncology is funded in part by the second pillar of our strategy, which is centered on our licensing agreements with the six marquee partners including Roche, Baxalta, Pfizer, Janssen, AbbVie and Eli Lilly. These partnerships delivered $129 million in annual revenues to the company in 2016. Now let me provide some additional details on PEGPH20 on Slide 2. We are furthest along in our study of PEGPH20 in pancreatic cancer, where last month we reported positive data from our randomized Phase 2 HALO-202 study of PEGPH20 and combination with ABRAXANE and gemcitabine or PAG, compared to ABRAXANE and gemcitabine alone or AG. This study enrolled a total of 279 patients in two stages, we are very encouraged by the results which based on December 2016 data cut make both primary efficacy endpoint of progression-free survival in the total efficacy-evaluable population as well as the primary safety endpoint of a reduction in thromboembolic event rate in Stage 2 of the study. Moving now to Slide 3, in addition to meeting the primary endpoint as we have a targeted therapy what was as important in the results was achieving statistical significance and meeting the secondary endpoint of progression-free survival in the HA high patients. In the Stage 1 and Stage 2 combined population of 84 HA high patients, we showed a 77% improvement in the median PFS or 9.2 months in the PAG arm, compared to 5.2 months in the AG arm with a hazard ratio of 0.51 and a P value of 0.048. For the exploratory overall survival endpoint in the combined Stage 1 and Stage 2 HA high population, the median overall survival was similar between both treatment arms. Given the importance of the recently unblinded Stage 2 HA high patient dataset, we are encouraged by the positive progression-free survival and overall survival finding shown in Slide 4. Given that this population closely mirrors the population currently enrolling, the ongoing HALO-301 Phase 3 study. The Stage 2 data demonstrated a 91% improvement in median progression-free survival with 8.6 months in the PAG arm compared to 4.5 months in the AG arm, a 4.1 month improvement with a hazard ratio of 0.63. And a 50% improvement was demonstrated in median overall survival with 11.7 months in the PAG arm, compared to 7.8 months in the AG arm also a meaningful improvement of approximately 4 months with a hazard ratio of 0.52. What was also important was Stage 2 data validated the Ventana companion diagnostic algorithm of cut points and supported the literature that high HA is a poor prognostic factor. Now moving to the tolerability profile, the treatment-related adverse events in a combined dataset or well balanced with the exception of the highlighted rows shown in Slide 5, or we saw higher rates of peripheral edema, muscle spasms, Neutropenia and Myalgia in the PAG arm that infrequently resulted in treatment discontinuation. Close on the HALO-202 study, the results we reported are supportive of our ongoing HALO-301 Phase 3 study, which is being conducted in a similar patient population. These results are firm and add to our confidence in the potential benefit of PEGPH20. We expect to present the results of study 202 at a medical form in 2017. I also want to remind you that while I summarize the key findings today we have a presentation posted on our website and an archive – our conference call from January 5, with detailed findings for our top line analysis. Moving now to Slide 6, for an overview of our Phase 3 study, HALO-301 is a global double-blind placebo controlled randomized trial of patients with Stage 4 pancreatic ductal adenocarcinoma, prospectively identified and randomized based on high levels of HA. The protocol includes one interim analysis when the target number of progression-free survival events is reached. At the time of the interim analysis if the progression-free survival data shows a significant benefit in the PAG treatment arm, and both the overall survival and overall risk benefit are supportive, these data may form the basis for marketing application in the U.S. and a conditional marketing authorization in Europe. During the fourth quarter and for the first two months of 2017, we made strong progress initiating our global sites. Since our last call, we are now actively screening or ready to screen patients at nearly 200 sites, the study protocol has been approved in all 22 participating countries and we are consistently achieving our three to five day target to analyze patient biopsies and report HA levels to sites. I’m very pleased with the ramp and momentum and projected 2017 will be a year in which we make the strong progress towards our enrollment goals. Turning now to Slide 7, I will now provide an update on our clinical development progress just as a pan-tumor potential of PEGPH20. The PEGPH20 plus KEYTRUDA or pembrolizumab trial is enrolling Stage 3B and Stage 4 non-small cell lung cancer patients and metastatic gastric adenocarcinoma patients who are still at least one chemotherapy regimen. Our goal in this study is to evaluate PEGPH20’s potential to improve the efficacy of therapies targeted to PD-1, as it has been demonstrated in our preclinical models. At the end of 2016, we moved into the dose expansion phase of the study, where we are now selecting HA high patients with either gastric or non-small cell lung cancer. Multiple patients have been dosed and we are targeting at total enrollment of approximately 50 patients at 30 U.S. sites, screening is going well and enrollment is ongoing. Since our last call, we also announced a broad clinical collaboration with Genentech to study PEGPH20 with their cancer immunotherapy Tecentriq or tezolizumab, an anti-PDL1 monoclonal antibody in up to eight different tumor types with studies to begin in 2017. The first study will be a Phase 1b/2 open-label, multi-arm randomized global trial led by Genentech and up to six tumor types, initially focusing on gastrointestinal malignancies including pancreas and gastric cancers. On the most recent earnings calls, we’ll share details of the novel immunotherapy clinical trial platform, MORPHEUS, which is the platform under which the studies with PEGPH20 will be conducted. In addition, Halozyme will conduct a Phase 1b open-label randomized study of Tecentriq in combination with PEGPH20 in chemotherapy in advanced metastatic biliary of gallbladder cancers. Since we are announcing the agreement in November, we have selected our CLO for the study and are collaborating with Genentech on the selection of global sites in anticipation of the trial starting in the second half of 2017. And finally, we have our Phase 1b/2 clinical trial with our collaboration partner Eisai, as previously announced the first metastatic breast cancer patient was dosed in July and enrollment is ongoing. The other ongoing studies underway with PEGPH20, the randomized Phase 2 clinical trial led by SWOG of PEGPH20 and combination with modified FOLFIRINOX is furthest along. We were pleased to learn that SWOG is now enrolled more than 120 patients and is making good progress towards the target enrollment of 172 patients. As a reminder, the primary endpoint of the SWOG study is overall survival and HA status will be determined retrospectively. We're also encouraged by interest from investigators at leading academic centers and have a number of promising investigator sponsored trials ongoing and under consideration. I expect we'll be in a position in the coming months to share additional details for exciting new areas of future study. Those are the discussion on PEGPH20. We are also looking forward to the upcoming annual meeting of the American Association of Cancer Research where we have research abstracts that have been accepted proposed to presentations. Our scientists will present findings from our preclinical models that further illustrate the potential benefits of PEGPH20 in combination with immunotherapy and on its ability to increase immune cell access. Turning to Slide 8 and I will move to the second pillar of our strategy, our ENHANZE platform where we licensed our rUpH20 enzyme to leading company. In November, at the American Society of Hematology Annual Meeting two of our partners presented a supportive data of their ongoing development program using our ENHANZE platform. Genentech presented data from their SABRINA Phase 3 study which showed comparable responsive rates and time-to-event data for a subcutaneous rituximab compared to IV administration. The presentation followed acceptance by the FDA of a biologic license application for a subcutaneous formulation of rituximab using Halozyme’s ENHANZE technology. More recently, Roche’s indicated it is seeking approval in chronic lymphocytic leukemia and non-Hodgkin's lymphoma and the FDA action date is in June. An approval represents a significant new royalty opportunity for Halozyme with oncology sales of rituximab in the U.S. estimated to have exceeded $3 billion in 2016, our revenue growth will clearly be driven by the indications approved and the degree of market penetration. In addition on Slide 9, Janssen presented data at ASH indicating subcutaneous formulation of daratumumab on the ENHANZE platform was well tolerated and had an efficacy and pharmacokinetic profile consistent with the IV formulation in patients with relapse and refractory multiple myeloma supporting further study in a Phase 3 clinical trial. The data demonstrated feasibility of a 30 minute 90 mL dosing, which would offer shorter treatment duration for patients and caregivers compared to the current multi-hour infusion. Additional work is underway by Janssen to determine an even shorter dosing time maybe achieved in the planned Phase 3 study. Slide 10 provides an overview of our current ENHANZE portfolio and the potential future opportunity associated with the platform. Beginning with our current opportunity at the top of the slide, the innovator products that today utilize our ENHANZE platform reported total European and international 2016 sales exceeding $7 billion. In parallel, we saw a 65% increase in our year-over-year royalty revenue. And looking ahead to 2017, Roche’s think that they expect further conversion from Herceptin IV to SC. In their last detailed update which was provided in July of 2016, Roche reported Herceptin SC accounted for approximately 50% of total Herceptin sales volume in launched countries. And MabThera SC accounted for 34% of total MabThera sales volume in launched countries. U.S. sales for Rituxan oncology for which the BLA is under FDA review, represent an additional $3 billion in potential opportunity. Recall we receive a mid single-digit royalty in net sales with our royalty potential being based in the number of indications approved and the degree of market penetration for each product. Moving now to our future potential opportunity, our partner pipeline includes Janssen daratumumab, which I discussed a moment ago, and Roche’s PERJETA which is being studied within hand in a Phase 1 trial of HER2-positive breast cancer patients. We’ve announced another sources projecting future sales in these two products totaling greater than $10 billion, we're very excited to be working with these companies to value the potential of our combined technologies and to develop additional product offerings. And finally, we have four other targets that have been selected but not disclosed by our partners and 26 additional targets that have been licensed. We also continue to assess new deal to expand the value of our ENHANZE platform and believe many targets are still available to made benefit from ENHANZE. While it is always difficult to predict the timing of a new deal, this is something our team continuously works towards and we continue in dialogue with a number of companies towards a new agreement in 2017. I'm pleased with our commercial progress and see clear opportunities for continued growth through new collaboration and as we support our current partners in advancing their program. With that, I will now turn it over to Laurie to discuss our financial results in greater detail. Laurie?