CI

At a glance

ClinicalIndex Comparison Record
Phase 2Recruiting· 116 target
Drug / intervention
DYNE-101 +1 moredrug
Likely dose
Not stated in record
Key inclusion· 5
  • Diagnosis of DM1 with trinucleotide repeat size >100
  • Age of onset of DM1 muscle symptoms ≥12 years
  • Clinically apparent myotonia equivalent to hand opening time of at least 2 seconds
  • Hand grip strength and ankle dorsiflexion strength assessable
Key exclusion· 8
  • Major surgical procedure within 12 weeks prior or planned during study
  • History of anaphylaxis
  • Medical condition other than DM1 significantly impacting ambulation or functional assessments
  • QTcF ≥450 ms in men or ≥460 ms in women, PR ≥240 ms, left bundle-branch block, or clinically significant conduction defect

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05481879
NCT05481879Phase 2RecruitingOn Track
Long Recruiting

A Randomized, Placebo-Controlled, Multiple Ascending Dose Study Assessing Safety, Tolerability, Pharmacodynamics, Efficacy, and Pharmacokinetics of DYNE-101 Administered to Participants With Myotonic Dystrophy Type 1

Dyne Therapeutics·interventional·Posted Aug 1, 2022·Updated May 12, 2026

In Brief

A Phase 2 clinical trial evaluating DYNE-101 and Placebo for Myotonic Dystrophy Type 1 (DM1). Currently recruiting, targeting 116 participants across 20 sites in 8 countries.

Detailed Summary

The primary purpose of the study is to evaluate the safety and tolerability of multiple intravenous (IV) doses of DYNE-101 administered to participants with Myotonic Dystrophy Type 1 (DM1). The study consists of 4 periods: A Screening Period (up to 8 weeks), a Placebo-Controlled Period (24 weeks), a Treatment Period (24 weeks) and a Long-Term Extension (LTE) Period (168 weeks) in both multiple-ascending dose (MAD) and dose expansion cohorts.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, France, Germany, Italy, Netherlands, New Zealand, United Kingdom, United States
Collaborators--

Timeline

Phase 2Recruiting
2023202420252026202720282029
First PostedAug 1, 2022
Enrollment StartSep 5, 2022
Primary CompletionJul 1, 2029
TodayJul 2, 2026
Enrollment to primary: 6.8 yearsPosted 3.9 years agoPrimary completion in 3.0 years

Interventions

DYNE-101drug

Administered by IV infusion

Placebodrug

Administered by IV infusion