Muscle-targeted RNA therapy for FSHD and other inherited muscle disorders

A Novel RNA Therapeutics Platform to Treat Facioscapulohumeral Muscular Dystrophy and other Neuromuscular Disorders

NIH-funded research Mirecule, INC. · NIH-11194285

This project is creating a way to deliver RNA medicines directly into muscle for people with facioscapulohumeral muscular dystrophy (FSHD) and other inherited muscle diseases.

Quick facts

Grant typeSbir 2 grant
Study typeNIH-funded research
Funding institutionMirecule, INC. NIH-funded
Lab location1 site (Gaithersburg, UNITED STATES)
Project IDNIH-11194285 on NIH RePORTER

What this research studies

The team is building a muscle-specific delivery platform called Muscle-NAV that links an antibody to an antisense RNA drug so the medicine binds a muscle receptor and is taken into muscle cells. The antibody guides uptake and the company’s conjugation chemistry aims to help the RNA escape intracellular compartments to reach the cell’s cytoplasm. Researchers will test the approach in laboratory models and animals to see if it reduces toxic gene activity such as DUX4 in FSHD and protects muscle cells. If the platform works, the same delivery system could be adapted to many other single-gene muscle disorders.

Who could benefit from this research

Good fit: People with a confirmed diagnosis of FSHD or other single-gene inherited muscle disorders who are potential candidates for antisense or RNA-based therapies would be most relevant.

Not a fit: People with non-genetic or immune-mediated muscle conditions, those without a targetable gene change, or individuals with very advanced muscle loss may not benefit from this specific approach.

Why it matters

Potential benefit: If successful, this could reduce toxic DUX4 levels in FSHD and enable effective RNA-based treatments that preserve muscle function across multiple inherited muscle diseases.

How similar studies have performed: Antisense RNA drugs have helped some neuromuscular diseases (for example nusinersen in SMA), but effective, targeted delivery to skeletal muscle remains largely unproven, so this platform is promising but experimental.

Where this research is happening

Gaithersburg, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.