Mathai Mammen
Analyst · Bank of America. Your question please
Thank you, Rick. Today, we're in a new era of our research strategy, one in which we're focusing on designing compounds for targeted delivery to the lung and the GI tract. The idea is that such targeting to the disease tissues intended to create medicine that are high efficacious with minimal side effects in the range of serious medical conditions. More than 15 years of experience has enabled our team to design targeted medicines intended for annihilation with all the requisite biology, distributors and pharmacokinetic properties. Through this work we have created internally a number of important insights relative to tissue target. We are now leveraging these insights to a design of GI targeted compounds, which can be taken orally, enter the wall of the GI tract, have the right tissue dynamics and kinetics to be active, but not be significantly absorbed into the systemic circulation. TD-1473 our pan-JAK inhibitor to treat patients with ulcerative colitis, is the first product candidate to emerge from this new research focus. We believe that TD-1473 can represent a potential breakthrough approach to treating ulcerative colitis. In today treatment paradigm for an ulcerative colitis, injected systemic anti-TNF antibodies are used as the disease progress. These medicines are effective in about half of patients that carry liabilities of increased infection and cancer risk. In many patients they just don't work at all and for some patients for whom the anti-TNF work initially the medication lose efficacy with time, potentially because the disease evolves or because the patient antibodies against the medicine. As multiple JAK utilizing cytokines have been implicated in ulcerative colitis, we believe that pan-JAK inhibitor can be a powerful mechanism for treating the disease. Tofacitinib or xeljanz Pfizer JAK inhibitors has proved for the treatment of rheumatoid arthritis has demonstrated efficacy in the Phase II trial and just recently in Phase III trial. However, Tofacitinib is orally absorbed and distributes throughout the body. The systemic exposure of results and a number of well-known side effects of limit how the drug is dosed. This compound is likely to be positioned late in the disease process as both efficacy and side effects are expected to be significant. We believe that TD-1473 represents an innovative approach. It is delivered orally and drives its benefit by local action with no systemic concentration or corresponding systemic pharmacology. In preclinical models of inflammation, our compound shows selective distributions to the tissues of the GI tract and a corresponding reduction in the disease activity score comparable to Tofacitinib and related model TD-1473 has show no measurable activity in systemic circulation where Tofacitinib shows substantial immunosuppressant. We plan to begin the Phase I study by early 2016 to assess safety and tolerability of healthy volunteers at rising doses of the compound. We would then plan to study TD-1473 in patients with ulcerative colitis and potentially other indications. Based on our preclinical studies to-date, we believe the TD-1473 can be a meaningfully efficacious medicine with a safety profile that may allow to be positioned early in the course of the disease potentially ahead of biologics. All in all, we continue to advance in developing months in GI directed medicines and look forward to keeping you appraised of our progress. Let me turn now to our NEP inhibitor program, we're advancing a series of three NEP inhibitors through preclinical development with the goal of developing in best-in-class NEP inhibitor, differentiated in important ways from sacubitril to NEP inhibitor and Entresto. Entresto is a promising new product for treatment of heart failure with reduction ejection fraction. Unlike sacubitril, our NEP inhibitor are being designed to have standalone IP that are not expected to be limited to one-to-one fixed dose combination with valsartan or any other product. As a result, we expect to be able to combine them with any mechanism of action. Our NEP inhibitor is also intended to be minimally, venally cleared and important distinction for patients with renal disease and heart failure in whom kidney function is often poor. We believe we are at the leading edge of understanding and using natriuretic peptide biology to create a new category of medicine. Natriuretic peptide AMP, BMP, and CMP are all important because of their direct [indiscernible] effect. Importantly they appear to reserve pathological changes in heart, vascular and kidney tissues. A particular interest to us is their potential anti-fibrotic effects in these tissues, potentially enabling not just treatment, but disease modification in a range of important cardiac vascular and renal disease. For example, large vessel fibrosis may play a role in lipose pressure and isolated systolic hypertension. Cardiac fibrosis maybe an important pathophysiological mechanism in heart failure, kidney fibrosis maybe an important mechanism in the loss of kidney function that can accompany diabetic nephropathy. Inhibiting NEP leads increases in the levels of the natriuretic peptides, but only at the sites of the body where natriuretic peptides are being made and released. Such an approach extenuates natural and useful biology and we're confident can lead to safe and beneficial effects in a number of diseases. We filed an IND for TD-0714 and plan to be in dosing healthy subjects in the Phase I study this year. We successfully completed IND enabling GLP toxicology studies for a second development candidate for which we plan to file an IND in the near future and have recently initiated IND enabling GLP toxicology studies for a third candidate. The objective of taking pre-three compound forward is to file a single optimal compound that we can advance in the Phase II. In our Phase I trial we intended [indiscernible] ability, safety and tolerability. We will also assess Pharmaco Kinetic whether the half life supports BID acute dosing and the extent to which our compound is clear renal. Our strategy is to create a platform for multiple combination products with our NEP inhibitor as potential treatments for a wide range of cardiovascular and renal diseases that represent large market opportunity. These include acute and chronic heart failure and cardiovascular conditions where the patients are at risk of developing heart failure. Additionally, we believe NEP inhibitor combination product could have significant potential in treating diabetic nephropathy and other forms of chronic kidney disease. Finally, we believe that our NEP inhibitor in combination with other mechanisms could achieve isolated systolic hypertension and treatment resistant hypertension. Given the broad therapeutic potential of our NEP inhibitor program, our strategy is to seek a development in commercialization partner. Today we are engaged in active discussions with multiple global pharmaceutical companies. We are excited to be advancing novel product candidates in both our NEP inhibitor and JAK programs. As their potentials offer new therapeutic options for patients with serious unmet medical needs. Now, I would like to turn the call over to Renee, who will provide the financial update.