Curran Simpson, Regenxbio CEO (Brian Benton Photography)
June 22, 2026 07:14 AM EDT
PharmaFDA+
Regenxbio to resubmit Hunter syndrome gene therapy as FDA rare disease about-face continues
Lei Lei Wu
Regenxbio plans to resubmit its Hunter syndrome gene therapy RGX-121 after the FDA reversed course, saying existing data are sufficient for accelerated approval review.
Curran Simpson, Regenxbio CEO (Brian Benton Photography)
June 22, 2026 07:14 AM EDT
PharmaFDA+
Regenxbio to resubmit Hunter syndrome gene therapy as FDA rare disease about-face continues
Lei Lei Wu

FDA reverses its rejection of Regenxbio Navsunli, allowing the company to refile its gene therapy application.

The agency took another step toward clearing a backlog of Makary-era rejections that appeared to contradict earlier agreements…

The FDA will reconsider approving Regenxbio's experimental gene therapy for a deadly and rare childhood brain disorder it…

Regenxbio plans to submit its Duchenne gene therapy for FDA approval, just a month after it said that regulators wanted to see…

Though two serious side effects muddied the results, CEO Curran Simpson expressed optimism about a clearance and claimed FDA…

The FDA has reversed course and allowed uniQure to seek accelerated approval for the Huntington's gene therapy AMT-130 after…