New drug DYNE-101 aims to ease muscle symptoms in DM1

NCT ID NCT07486934

First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 3 times

Summary

This Phase 3 trial tests whether DYNE-101 can improve muscle function and daily life in 150 adults with myotonic dystrophy type 1 (DM1). Participants receive either the drug or a placebo by IV every few weeks for 48 weeks. The study measures how quickly people can stand from a chair, walk, and open their hands, along with overall health and safety.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

zeleciment basivarsen (DYNE-101)

What this could lead to

If successful, this could lead to a treatment that improves muscle function and daily living for people with myotonic dystrophy type 1.

What could go wrong

This is a Phase 3 trial, but it is still experimental. The drug may not work better than placebo, and there could be side effects from the intravenous infusions.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for DM1 are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Myotonia myotonic dystrophy myotonic dystrophy type 1 myotonic syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Charité Universitätsmedizin Berlin Campus-Buch Muscle Research Unit

    RECRUITING

    Berlin, State of Berlin, 13125, Germany

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Hospital Universitario Infanta Sofía

    RECRUITING

    San Sebastián de los Reyes, Madrid, 28702, Spain

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • IU Health Neuroscience Center

    RECRUITING

    Indianapolis, Indiana, 46202, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • LMU Klinikum der Universität München Neurologische Klinik und Poliklinik Friedrich-Baur-Institut Campus Innenstadt

    RECRUITING

    Munich, Bavaria, 80336, Germany

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • National Hospital Organization Osaka Toneyama Medical Center

    RECRUITING

    Toyonaka-Shi, Osaka, 560-8552, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Pitié-Salpêtrière Hospital

    RECRUITING

    Paris, 75013, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Rare Disease Research, LLC

    RECRUITING

    Atlanta, Georgia, 30329, United States

    Contact Email: •••••@•••••

  • Rare Disease Research, LLC

    RECRUITING

    Hillsborough, North Carolina, 27278, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Rigshospitalet, (Neuromuscular Clinic and Research Unit, Department 8077)

    RECRUITING

    Copenhagen, 2100, Denmark

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Roy Blunt NextGen Precision Health Institute

    RECRUITING

    Columbia, Missouri, 65211, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • The University of Texas Health Science Center at San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • UZ Leuven

    RECRUITING

    Leuven, 3000, Belgium

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • University College London Hospitals NHS Foundation Trust National Hospital for Neurology and Neurosurgery

    RECRUITING

    London, England, WC1N 3BG, United Kingdom

    Contact Email: •••••@•••••

  • Yamaguchi University Hospital

    RECRUITING

    Ube-Shi, Yamaguchi, 755-8505, Japan

    Contact Email: •••••@•••••