News summary

Ractigen Therapeutics Presents Positive First-in-Human Data for RAG-18 at WMS 2026, Establishing Clinical Proof-of-Mechanism for RNA Activation in Duchenne Muscular Dystrophy

Source: PR Newswire • Published: 03 Oct 2026, 11:30

Summarized by Masters of Longevity from PR Newswire.

Clinical data show a systemically delivered small activating RNA increased a therapeutic muscle protein and improved tissue features in Duchenne muscular dystrophy patients.

Ractigen Therapeutics Presents Positive First-in-Human Data for RAG-18 at WMS 2026, Establishing Clinical Proof-of-Mechanism for RNA Activation in Duchenne Muscular Dystrophy
Key Takeaways
  • Paired muscle biopsies from three treated boys showed robust utrophin upregulation and correct sarcolemma localization.
  • Morphometry at Day 113 reported mean myofiber cross-sectional area increases of 5% to 15% and diameter gains of 5.34 μm to 27.50 μm.
  • Muscle fat fraction fell by 3% to 10% and motor and pulmonary measures were stable or improved through Day 169.
Read the full article at PR Newswire ↗

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