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November 27, 2012
07:08 EDTARWRArrowHead Research publishes results regarding company's Dynamic Polyconjugate
Arrowhead Research announced the publication of data demonstrating that high level target gene knockdown with low doses of cholesterol-siRNA is possible in non-human primates using the company's Dynamic Polyconjugate delivery system and a novel co-injection strategy. This new delivery approach dramatically increases the efficacy of cholesterol-siRNA and, together with the co-injection strategy, simplifies the manufacturing process to enable a commercially scalable delivery vehicle for RNAi therapeutics. The company is using this strategy and a next generation DPC polymer in ARC-520, its hepatitis B clinical candidate. The paper titled, "Co-injection of a targeted, reversibly masked endosomolytic polymer dramatically improves the efficacy of cholesterol-conjugated siRNAs in vivo," was published online ahead of print in the journal Nucleic Acid Therapeutics to be featured in the December issue
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November 26, 2014
10:12 EDTARWROptions with decreasing implied volatility
Options with decreasing implied volatility: VNET GME ARWR GMCR SGMS DSW DANG ARUN JMEI MBLY
November 18, 2014
07:32 EDTARWRArrowhead files for regulatory permission to begin Phase I ARC-AAT trial
Arrowhead Research recently filed an application for approval to begin a Phase 1 clinical trial of its RNAi-based therapeutic candidate, ARC-AAT, for the treatment of liver disease associated with alpha-1 antitrypsin deficiency. Pending approval, Arrowhead intends to proceed with a double blind, placebo-controlled dose escalation, Phase 1 study to determine the safety, tolerability, pharmacokinetics and effect on circulating alpha-1 antitrypsin levels of ARC-AAT in healthy volunteers and patients with alpha-1 antitrypsin deficiency. The study is planned to start in Australia in healthy volunteers and will dose escalate until predetermined levels of alpha-1 antitrypsin reduction are reached. Once these levels of protein knockdown are achieved, the study will transition into a population of patients with ZZ genotype alpha-1 antitrypsin deficiency to further evaluate escalating doses of ARC-AAT. The study is designed to enroll up to 48 subjects, including healthy volunteers and alpha-1 antitrypsin deficiency patients. The application was submitted to an ethics committee in compliance with the Clinical Trial Notification process of the Australian Department of Health and Ageing, Therapeutic Goods Administration.

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