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Arbutus Biopharma Corporation, a biopharmaceutical company, focuses on the research and development of RNA interference therapeutics, and provides lipid nanoparticle delivery technology to pharmaceutical partners in Canada. The company's products for Hepatitis B virus (HBV) comprise TKM-HBV, a RNAi therapeutic in Phase I clinical trial; OCB-030, a cyclophilin inhibitor drug candidate; CYT-003, a TLR9 agonist; capsid assembly inhibitors for use as oral therapeutics; surface antigen secretion inhibitors; STING agonists, a stimulator of interferon genes research program; cccDNA formation inhibitors for reducing the amount of cccDNA in the infected liver cell; and cccDNA epigenetic modifiers, a research program to inhibit the formation of new virus and subviral particles from cccDNA. Its products also include TKM-PLK1, an oncology product platform that is in Phase I/II clinical trials for the treatment of gastrointestinal neuroendocrine tumors, adrenocortical carcinoma, and hepatocellular carcinoma; TKM-Ebola, an anti-ebola viral therapeutic in Phase I clinical trial; and TKM-Ebola-Guinea, an anti-ebola RNAi therapeutic in Phase 2 trial. In addition, the company develops TKM-Marburg to treat Marburg infections; TKM-HTG, a multi-component RNAi therapeutic that targets a combination of genes expressed in the liver, which play a role in triglyceride metabolism; and TKM-ALDH, an aldehyde dehydrogenase to induce long term acute sensitivity to ethanol to treat severe alcohol use disorder. Further, its partnered programs consists of ALN-TTR02, a therapeutic targeting transthyretin amyloidosis; ALN-VSP for liver cancer; ALN-PCS02 for hypercholesterolemia; Marqibo for Philadelphia chromosome-negative acute lymphoblastic leukemia; and DCR-PH1 for primary hyperoxaluria type 1. The company was formerly known as Tekmira Pharmaceuticals Corporation and changed its name to Arbutus Biopharma Corporation in August 2015. Arbutus Biopharma Corporation is headquartered in Burnaby, Canada.