Positive Phase III trial results for Gilead’s Livdelzi

2 June 2026

Gilead Sciences (Nasdaq: GILD) today announced that its Phase III IDEAL study met its primary endpoint, showing Livdelzi (seladelpar) led to significantly more patients achieving normalization of alkaline phosphatase compared with placebo after 52 weeks in people with primary biliary cholangitis (PBC).

The biotechnology giant, with a market capitalization of $162.8 billion, continues to expand its treatment portfolio beyond its core HIV and hepatitis franchises.

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