** Shares of gene therapy developer Regenxbio RGNX.O up 2.7% at $10.35 premarket
** RGNX says its experimental gene therapy, RGX-202, for the treatment of Duchenne muscular dystrophy (DMD) was safe with no serious adverse events observed in early-stage study
** DMD causes skeletal and heart muscle weakness that quickly worsens with time
** Company says study data is expected to support regulatory pathway of accelerated approval in mid-2026
** Expects to share further study data in H1 2026
** Up to last close, RGNX up 30.4% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))