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Arbutus Biopharma Gets FDA Fast-Track Designation for Imdusiran in Chronic Hepatitis B

Provided by Dow Jones Apr 15, 2026, 12:20:00 PM

By Colin Kellaher

Arbutus Biopharma has won U.S. Food and Drug Administration fast-track designation for its proposed imdusiran treatment for chronic hepatitis B, a serious liver infection.

The Warminster, Pa., clinical-stage biopharmaceutical company said imdusiran has achieved functional cure for 10 chronic hepatitis B patients in clinical trials to date.

The FDA's fast-track program is designed to facilitate the development and expedite the review of treatments for serious or potentially life-threatening illnesses with high unmet medical needs.

Write to Colin Kellaher at colin.kellaher@wsj.com

(END) Dow Jones Newswires

April 15, 2026 08:20 ET (12:20 GMT)

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