| Name | Title | Contact Details |
|---|---|---|
Mark Wilson |
Vice President and General Counsel | Profile |
Wen Liu |
VP Regulatory Affairs | Profile |
Susan Evans |
Vice President Intellectual Property | Profile |
Carlo Difonzo |
VP, Regulatory Affairs and Product Safety | Profile |
Arrowhead Pharmaceuticals is a clinical stage, Nasdaq listed (ticker ARWR) company developing medicines that treat intractable diseases by silencing the genes that cause them. Using a broad portfolio of RNA chemistries and efficient modes of delivery, our therapies trigger the RNA interference mechanism to induce rapid, deep and durable knockdown of target genes. RNA interference, or RNAi, is a mechanism present in living cells that inhibits the expression of a specific gene, thereby affecting the production of a specific protein. Our RNAi-based therapeutics are at the leading edge of genetic-based therapy with the potential to bring life changing treatments for patients. Our Targeted RNAi Molecule (TRiMTM) platform utilizes ligand-mediated delivery and is designed to enable tissue-specific targeting while being structurally simple. The TRiM platform builds on more than a decade of work on actively targeted drug delivery and offers several advantages including simplified manufacturing and reduced costs; multiple routes of administration; and potential for improved safety. Our employees are nimble, science-driven, and innovative professionals. A career at Arrowhead offers the opportunity to collaborate with top notch scientists to rapidly discover and develop RNAi-based therapeutics to add to our growing pipeline. Research and development activities are located in Madison, WI. Our R&D group includes fully-integrated capabilities for chemistry, biology, and toxicology. Madison is an exciting and sophisticated city that includes state government, the flagship campus of the University of Wisconsin, and major research organizations. Our HQ, clinical and regulatory operations are located in Pasadena, CA. Just north of Los Angeles and resting in the foothills of the San Gabriel Mountains, Pasadena is known for its natural scenic beauty, vibrant cultural and academic environment and rich architectural setting.
We are a biopharmaceutical company that was originally formed to explore new methods of use of alpha-1 antitrypsin, a naturally occurring protein that can be purified from human blood and is often referred to as "plasma-derived AAT" (“p-AAT”). AAT has been shown in a variety of animal models to have profound anti-inflammatory and tissue protective properties. Plasma-derived AAT has a greater than 25-year safety record as an approved treatment for emphysema in AAT-deficient patients. The Company’s early strategy was based on licensing "method- of-use" patents that cover new treatment indications for AAT and commercializing these through royalty agreements with existing p-AAT manufacturers. More recently our focus has shifted to the pharmaceutical development of a novel recombinant version of AAT for use in a variety of inflammatory and immune-modulated diseases. Clinical experience with new uses of p-AAT is growing. In 2012, we released initial findings of our own clinical study of p-AAT for the treatment of patients with recent onset Type 1 diabetes. The study has now been completed and shows stabilization of c‑peptide levels (a measure of the ability of pancreatic beta cells to produce insulin) in certain patients and suggests correlation of these effects with reductions in the pro-inflammatory mediator, IL-1β. During the past three years, other organizations, such as the Immune Tolerance Network and Kamada, Ltd. (Israel), have also conducted early clinical trials in Type 1 diabetes using plasma-derived AAT with similar results. Recently, Grifols and Kamada, two of the p-AAT manufacturers, have begun Phase 2/3 placebo-controlled trials in Type 1 diabetic patients in the US and Europe. We are currently supporting two new multicenter trials of the use of plasma-derived AAT in patients suffering from acute steroid-refractory GvHD. A clinical solution for this life-threatening condition would represent a significant medical breakthrough and may even allow the broader use of bone marrow transplants to treat patients with otherwise lethal leukemias. We are also monitoring a pilot study of AAT in acute myocardial infarction being conducted at Virginia Commonwealth University. While we continue to support potential new uses of p-AAT, our focus is now on the research and development of recombinant “Fc fusion” forms of AAT. These forms are created by fusing naturally occurring human AAT to the Fc portion of an immunoglobulin antibody in order to increase potency and provide for longer lasting blood levels (“Fc-AAT”). To date, a large number of in vitro and in vivo studies suggest that Fc-AAT may be roughly 50x more potent than p-AAT and may also have a longer duration of effect. If borne out in clinical trials, this could lead to a product that can be made rapidly and in large quantities, is able to be self-administered subcutaneously and is able to be given less often than once per week. Each of these represents a significant competitive improvement over existing plasma-derived products which must be given intravenously, once per week in a doctor’s office or infusion clinic, and are very expensive due to both product and infusion procedure costs. We have recently placed the first of these Fc-AAT molecules on a formal development track and are organizing preclinical activities to enable the initial clinical trials in 2015/16. A patent covering our lead molecule was issued in the US in late 2013 and corresponding applications are under review in Europe and Canada. We now expect to have market exclusivity for a minimum of 12 years from the time of introduction in the US and, if successful, for at least 10 years in Europe
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