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Beam Therapeutics Announces Clearance of Investigational New Drug Application for BEAM-304 for the Treatment of Phenylketonuria (PKU) by the United States (U.S.) Food and Drug Administration

$BEAMPress releaseJun 18, 2026, 7:00 AM ETRead the release

Beam Therapeutics received FDA clearance of its IND application for BEAM-304, an in vivo base editing therapy designed to treat phenylketonuria (PKU). The upcoming Phase 1/2 trial will initially evaluate safety and Phe reduction in patients with the R408W mutation, utilizing a platform-based approach to address multiple mutations within a single program.

Key figures

Drug Name
BEAM-304
Phase Of Trial
Phase 1/2
Target phe level
≤ 360 µmol/L
Patient population us
20,000

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