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FDA Approves First Therapy for Patients aged 8 years and older with Glycogen Storage ...
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Fusion42 · 19 August 2026 · Fusion42 review
The FDA granted accelerated approval to Genglycos, the first gene therapy for glycogen storage disease type Ia in patients aged 8 and older, based on its ability to reduce cornstarch intake as a surrogate marker for clinical benefit. The approval requires confirmatory trials and positions gene therapy as a treatment option that addresses the root cause of this rare genetic disorder.
This Wire brief sits within Fusion42's coverage of Biotech, and 2 sources have reported it.
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You can now build therapies that target rare genetic diseases with a clear FDA pathway that accepts surrogate markers for approval, opening investment and development opportunities in gene therapies tackling root causes.
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2 sources · 19 Aug 2026
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