ArrowHead 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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