EXHIBIT 99.1 Arbutus Reports Second Quarter 2024 Financial Results and Provides Corporate Update End-of-treatment data presented at the EASL Congress from two Phase 2a clinical trials supports advancing imdusiran as a potential cornerstone in a HBV functional cure treatment regimen IM-PROVE I clinical trial demonstrated undetectable HBsAg in 33% of patients who were treated with 48 weeks of imdusiran and 24 weeks of IFN and in 67% of these patients with baseline HBsAg less than 1000 IU/mL Prioritizing imdus ...

WARMINSTER, Pa., July 18, 2024 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (Nasdaq: ABUS), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop a functional cure for people with chronic hepatitis B virus (cHBV) infection, today announced that it has scheduled its second quarter 2024 financial results and corporate update for Thursday, August 1, 2024. The schedule for the press release and conference call/webcast are as follows: •Q2 2024 Press Release:Thursd ...

In the HBV003 trial, 67% of participants had HBsAg <10 IU/mL and 19% of participants had undetectable HBsAg when assessed for NUC discontinuation (end of treatment) or later, and 76% of participants were eligible for nucleos(t)ide analogue (NUC) therapy discontinuation.In the IM-PROVE II trial, conducted in partnership with Arbutus Biopharma, a statistically significant difference was observed in HBsAg levels between the VTP-300 treatment and placebo groups at 24-weeks post-end of treatment (EOT) and 84% of ...

Data highlighted in oral presentation at the European Association for the Study of the Liver (EASL) Congress WARMISTER, Pa., June 06, 2024 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (NASDAQ:ABUS) ("Arbutus" or the "Company"), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop a functional cure for people with chronic hepatitis B virus (cHBV) infection, announced new preliminary end-of-treatment (EOT) data from the Phase 2a clinical trial (IM-PROVE II, A ...

Data highlighted in oral presentation at the European Association for the Study of the Liver (EASL) Congress WARMISTER, Pa., June 06, 2024 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (Nasdaq: ABUS) (“Arbutus” or the “Company”), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop a functional cure for people with chronic hepatitis B virus (cHBV) infection, announced new preliminary end-of-treatment (EOT) data from the Phase 2a clinical trial (IM-PROVE II, ...

At the end of treatment, 33.3% of patients receiving imdusiran for 48 weeks, interferon (IFN) for 24 weeks and ongoing nucleoside analogue (NA) therapy achieved undetectable levels of HBsAg that were maintained in 100% of these patients 24 weeks after completing imdusiran and IFN treatment Of the patients who have stopped all therapy, six still have undetectable levels of HBsAg and HBV DNA, with two of these patients reaching 12 weeks off all therapy All six patients have seroconverted and have high titers ...

At the end of treatment, 33.3% of patients receiving imdusiran for 48 weeks, interferon (IFN) for 24 weeks and ongoing nucleoside analogue (NA) therapy achieved undetectable levels of HBsAg that were maintained in 100% of these patients 24 weeks after completing imdusiran and IFN treatment Of the patients who have stopped all therapy, six still have undetectable levels of HBsAg and HBV DNA, with two of these patients reaching 12 weeks off all therapy All six patients have seroconverted and have high titers ...

VANCOUVER, British Columbia, June 03, 2024 (GLOBE NEWSWIRE) -- Mr. Peter Bull and Arbutus Distributors Ltd. (“Arbutus”), a private investment and holding company controlled by Mr. Bull, announced today that Mr. Bull and Arbutus disposed of an aggregate of 2,050,000 common shares (the “Subject Shares”) of ADENTRA Inc. (“ADENTRA”) at a sale price of $38.06 per Subject Share for aggregate gross proceeds of $78,023,000 on the Toronto Stock Exchange through a block sale on May 31, 2024 (the “Transaction”). ADENT ...

WARMINSTER, Pa., May 22, 2024 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (NASDAQ:ABUS) ("Arbutus" or the "Company"), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop a functional cure for people with chronic hepatitis B virus (cHBV) infection, today announced that two abstracts have been accepted for poster and oral presentations at the European Association for the Study of the Liver (EASL) Congress 2024 taking place June 5 - 8, 2024 in Milan, Italy. T ...

WARMINSTER, Pa., May 22, 2024 (GLOBE NEWSWIRE) -- Arbutus Biopharma Corporation (Nasdaq: ABUS) (“Arbutus” or the “Company”), a clinical-stage biopharmaceutical company leveraging its extensive virology expertise to develop a functional cure for people with chronic hepatitis B virus (cHBV) infection, today announced that two abstracts have been accepted for poster and oral presentations at the European Association for the Study of the Liver (EASL) Congress 2024 taking place June 5 - 8, 2024 in Milan, Italy. ...