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Regenxbio Hits Regulatory Roadblock After FDA Puts RGX-121 on Hold

Aug 24, 2026 · 08:21 AM ET· updated 31m ago
Regenxbio Hits Regulatory Roadblock After FDA Puts RGX-121 on Hold

Regenxbio stock drops over 23% following an FDA clinical hold on its Hunter Syndrome gene therapy RGX-121 due to spine MRI findings.

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Why It Matters

Regenxbio's medicine for a rare disease hit a pause button from regulators because of concerning findings in patient spine scans. When a company's main medicine gets stopped, investors get worried, so the stock price fell sharply—and it's worth watching whether the company can fix the problem.

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Source: Benzinga · Read the original report at the publisher. Headline and figures shown for context; data may be delayed.

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