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Arbutus Reports First Quarter 2023 Financial Results and Corporate Update
Additional AB-729 off-treatment data highlighted in an oral presentation at the Global Hepatitis Summit 2023 Dosed first subject in Phase 1 clinical trial

About this update from Arbutus Biopharma Corporation
[{"type":"text","content":"Additional AB-729 off-treatment data highlighted in an oral presentation at the Global Hepatitis Summit 2023 Dosed first subject in Phase 1 clinical trial with oral RNA Destabilizer, AB-161 Filed patent infringement lawsuit against Pfizer and BioNTech seeking compensation for use of unlicensed patented technologies in COVID-19 mRNA-LNP vaccines Strong financial position – cash runway extends into the first quarter of 2025 Conference Call and Webcast Today at 8:45 AM ET WARMINSTER, Pa., May 04, 2023 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (Nasdaq: ABUS) (“Arbutus” or the “Company”), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop novel therapeutics that target specific viral diseases, today reported first quarter 2023 financial results and provided a corporate update. “In the first quarter of 2023, we made meaningful progress advancing our pipeline of HBV and coronavirus assets to address large global market opportunities,” said William Collier, Arbutus’ President and Chief Executive Officer. “We reported data from our lead HBV-focused RNAi therapeutic, AB-729, showing low levels of HBsAg and HBV DNA in most patients persisting for at least a year and a half after their last dose of AB-729. In addition, we dosed the first healthy subject in our Phase 1 clinical trial with AB-161, our oral RNA destabilizer, for which we expect data in the second half of this year. We continue to advance our coronavirus programs and expect to initiate a Phase 1 clinical trial with our Mpro inhibitor candidate, AB-343, as well as IND-enabling studies for an nsp12 inhibitor candidate in the second half of this year.” Pipeline Updates and Key Milestones AB-729 (RNAi Therapeutic) At the Global Hepatitis Summit in April, we reported in an oral presentation additional off-treatment data from the patients in our Phase 1b clinical trial (AB-729-001) who have discontinued both AB-729 and nucleos(t)ide analogue (NA) therapy. These seven remaining patients continue to maintain low HBV DNA levels off all therapy, and HBsAg levels remain below baseline (-0.8 to -1.6 log10) up to one and a half years after the last dose of AB-729.We are continuing to evaluate the safety and tolerability of AB-729 in combination with ongoing NA therapy and short courses of PEG-IFNα-2a (IFN) in 43 patients with chronic he...