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Mirum’s liver infection drug lowers virus levels in second late-stage study

By Thomson Reuters Nov 10, 2026 | 7:14 AM

Nov 10 (Reuters) – Mirum Pharmaceuticals said on Tuesday its experimental treatment for hepatitis delta, a serious ​liver infection, led to ‌reduced virus and normal liver enzyme levels, meeting the main goal of a second late-stage study.

• The company said 59% ‌of ​patients receiving weekly ⁠brelovitug achieved both outcomes ⁠after 24 weeks, compared with none in the delayed-treatment group

• It said the study enrolled 113 ​previously untreated patients, more than half of whom had cirrhosis, ⁠or advanced liver scarring

• ⁠The latest study is ​the second of two supporting its planned ​US approval application, expected in ‌the first half of 2027, the company added

• Mirum reported in September that brelovitug met the same ⁠main goal in the first late-stage study

• Longer-term data showed all 15 cirrhosis patients ⁠treated ‌for up to 108 ⁠weeks achieved reduced virus and ​normal ‌liver enzyme levels, according ​to the ⁠company

• Mirum reported no new safety concerns, with flu-like illness being the most common side effect

(Reporting by Sahil Pandey in Bengaluru; Editing by ​Vijay Kishore)