The first prime-edited patient is healthy ten months on

Claim

Prime Medicine treated the first patient with a prime-edited therapeutic, a teenager with chronic granulomatous disease who remained healthy ten months later, while Xaira's LUMI-lab autonomously discovered lipid nanoparticles reaching 20.3% lung gene editing efficiency.

Reported metric: 20.3%

Reporting date: 2026-02-25 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

• Welcome to February 25, 2026 (theinnermostloop.substack.com)