Prime Medicine gets New Zealand clearance for Wilson disease gene therapy

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Prime Medicine Announces New Zealand Clearance of Clinical Trial Application for PM577a in H1069Q-mutated Wilson Disease

June 18, 2026 8:00 AM EDT

-- First clinical authorization for an in vivo Prime Editing therapy from Prime Medicine --

-- PM577a targets the H1069Q mutation in the ATP7B gene, the most prevalent WD-causing allele in North America and Europe --

-- Initiation of Phase 1/2 clinical trial expected in second half of 2026; initial clinical data expected in 2027 --

-- Shared LNP delivery platform may enable rapid expansion into additional WD pathogenic variant populations; most advanced follow-on candidate targets the R778L mutation frequently found in East Asian... More