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Arrowhead Reports Peak Reduction in HBsAg of Up to 99% (1.9 log) After a Single Dose with Hepatitis B Candidate ARC-520 in Treatment Naïve Cohort of Phase 2a Study

PASADENA, Calif.–(BUSINESS WIRE)– Arrowhead Research Corporation (NASDAQ: ARWR), a biopharmaceutical company developing targeted RNAi therapeutics, is hosting an analyst day today in New York, with a presentation starting at 11:00 a.m. EDT to discuss top-line findings from the Heparc-2001 Phase 2a clinical study of ARC-520, its candidate for the treatment of chronic hepatitis B infection. Additionally, the company will discuss findings from a study of 9 chimpanzees that have been treated monthly with ARC-520 for between 6 and 11 months with a background therapy of nucleotide/nucleoside analog inhibitors (NUCs) tenofovir and/or entecavir.

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