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REGENXBIO advances RGX-202 with Q3 2026 BLA plan for Duchenne therapy

Jun 24, 2026, 7:13 AM EDT1 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Positive regulatory timing and strong interim data create near-term upside potential; risk remains if FDA pacing or safety concerns arise, but the accelerated pathway adds optionality.

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What happened, with direct paths to the underlying reporting

REGENXBIO reports RGX-202 dosing completed in confirmatory Duchenne trial ahead of schedule. The company plans a Q3 2026 BLA under accelerated approval, targeting FDA action in 2H 2027. Topline Week-12 data show meaningful microdystrophin expression and a favorable safety profile.

RGX-202 confirmatory dosing completed ahead of schedule. BLA planned under accelerated pathway.
Primary endpoint met: 10% microdystrophin in >93% at Week 12.
12-month data show strong functional signals; safety profile favorable.
Dosing completion enables BLA submission in Q3 2026.
FDA accelerated-approval path cited as supportive for rare-disease programs.

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