Ultragenyx completes rolling submission of biologics license application to US FDA for DTX401 AAV gene therapy for glycogen storage disease type Ia

Ultragenyx

30 December 2025 - If approved, DTX401 will be the first therapy approved to treat the underlying cause of glycogen storage disease type Ia.

Ultragenyx today announced that it has completed the rolling submission of its biologics license application to the US FDA seeking approval for DTX401 AAV gene therapy (pariglasgene brecaparvovec) as a treatment for glycogen storage disease type Ia.

Read Ultragenyx press release

Michael Wonder

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Michael Wonder

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Medicine , US , Dossier , Registration