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Recruiting Phase 3 NCT07486934

NCT07486934 Efficacy, Safety, and Tolerability of Zeleciment Basivarsen (DYNE-101) in Participants With Myotonic Dystrophy Type 1

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Clinical Trial Summary
NCT ID NCT07486934
Status Recruiting
Phase Phase 3
Sponsor Dyne Therapeutics
Condition Myotonic Dystrophy Type 1 (DM1)
Study Type INTERVENTIONAL
Enrollment 150 participants
Start Date 2026-05-14
Primary Completion 2028-07

Eligibility & Interventions

Sex All sexes
Min Age 16 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
zeleciment basivarsen (DYNE-101)Placebo

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 150 participants in total. It began in 2026-05-14 with a primary completion date of 2028-07.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of the study is to assess the efficacy, safety, and tolerability of zeleciment basivarsen (DYNE-101) for the treatment of myotonic dystrophy 1 (DM1).

Eligibility Criteria

Inclusion Criteria: * Diagnosis of DM1 confirmed by molecular genetics with trinucleotide repeat size greater than (\>) 100. Historical results from clinical testing are acceptable. * Able to walk 10 meters and complete 5 times sit to stand independently (inserts or supports that don't go above the ankle are allowed). * Body mass index (BMI) less than (\<) 35 kilograms per meter square (kg/m\^2). Exclusion Criteria: * A known diagnosis of congenital DM1. * History of major surgical procedure (based on Investigator judgment) within 12 weeks prior to the start of screening, with the exception of implanted pacemaker or defibrillator. * Use of glucagon-like peptide 1 (GLP-1) agonist/incretin medications including semaglutide, dulaglutide, liraglutide, exenatide, or tirzepatide within a period of 5 half-lives of the medication prior to performing screening assessments. Note: Other inclusion and exclusion criteria may apply.

Contact & Investigator

Central Contact

Dyne Clinical Trials

✉ clinicaltrials@dyne-tx.com

📞 +1-781-317-1919

Frequently Asked Questions

Who can join the NCT07486934 clinical trial?

This trial is open to participants of all sexes, aged 16 Years or older, studying Myotonic Dystrophy Type 1 (DM1). Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07486934 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 150 participants.

Is NCT07486934 currently recruiting?

Yes, NCT07486934 is actively recruiting participants. Contact the research team at clinicaltrials@dyne-tx.com for enrollment information.

Where is the NCT07486934 trial being conducted?

This trial is being conducted at La Jolla, United States, Los Angeles, United States, Palo Alto, United States, Atlanta, United States and 11 additional locations.

Who is sponsoring the NCT07486934 clinical trial?

NCT07486934 is sponsored by Dyne Therapeutics. The trial plans to enroll 150 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology