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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Myotonic Dystrophy Type-1 Clear all
Recruiting Phase 1Phase 2 Interventional

A Study to Investigate the Safety, Tolerability, and Efficacy of SAR446268, an Adeno-associated Viral Vector-mediated Gene Therapy in Participants Aged 10 to 55 Years of Age With Non-congenital Myotonic Dystrophy Type 1

NCT06844214
View directory record Official record
Conditions
Myotonic Dystrophy
Interventions
SAR446268
Biological
Lead sponsor
Sanofi
Industry
Eligibility
10 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
4
States / cities
Gainesville, Florida • Tampa, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed No phase listed Observational

Multicenter Observational Study of Myotonic Dystrophy Type 1

NCT02308657
View directory record Official record
Conditions
Myotonic Dystrophy Type 1
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
6
States / cities
Stanford, California • Gainesville, Florida • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Myotonic Dystrophy and Facioscapulohumeral Muscular Dystrophy Registry

NCT00082108
View directory record Official record
Conditions
Myotonic Dystrophy, Facioscapulohumeral Muscular Dystrophy, Muscular Dystrophy, Myotonic Dystrophy Type 1, Myotonic Dystrophy Type 2, Congenital Myotonic Dystrophy, PROMM (Proximal Myotonic Myopathy), Steinert's Disease, Myotonic Muscular Dystrophy
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Recombinant Human Insulin-Like Growth Factor-I/Recombinant Human Insulin-Like Growth Factor Binding Protein-3 (rhIGF-I/rhIGFBP-3) In Myotonic Dystrophy Type 1

NCT00577577
View directory record Official record
Conditions
Myotonic Dystrophy Type 1
Interventions
rhIGF-I/rhIGFBP-3, placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
21 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
12
States / cities
Orange, California • Sacramento, California • Kansas City, Kansas + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability and Pharmacokinetics of ERX-963 in Adults With Myotonic Dystrophy Type 1

NCT03959189
View directory record Official record
Conditions
Myotonic Dystrophy, Type 1 (DM1), Myotonic Dystrophy
Interventions
ERX-963, Placebo
Drug
Lead sponsor
Expansion Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
4
States / cities
Palo Alto, California • Miami, Florida • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Jul 21, 2026, 6:12 PM EDT
Terminated No phase listed Observational

Assessing Clinical Endpoints and Biomarkers in Myotonic Dystrophy Type-1 and Type 2 (ASCEND-DM)

NCT03867435
View directory record Official record
Conditions
Myotonic Dystrophy Type-1, Myotonic Dystrophy Type-2
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
11 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jul 21, 2026, 6:12 PM EDT
Enrolling by invitation Phase 3 Interventional

Global Open-Label Extension Study of Del-desiran for the Treatment of DM1

NCT07008469
View directory record Official record
Conditions
Myotonic Dystrophy Type 1, DM1, Myotonic Dystrophy, Myotonia, Myotonic Dystrophy 1, Myotonic Disorders, Steinert Myotonic Dystrophy, Steinert Disease
Interventions
Del-desiran (AOC 1001)
Drug
Lead sponsor
Avidity Biosciences, Inc.
Industry
Eligibility
16 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
17
States / cities
Los Angeles, California • Stanford, California • Denver, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting No phase listed Observational

Remote Assessments and Genetic Determinants of Myotonic Dystrophy

NCT07505342
View directory record Official record
Conditions
Myotonic Dystrophy Type 1 (DM1), DM1
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 88 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting No phase listed Observational

Establishing Biomarkers and Clinical Endpoints in Myotonic Dystrophy Type 1 (END-DM1) Extension

NCT07700225
View directory record Official record
Conditions
DM1, Myotonic Dystrophy, Myotonic Dystrophy 1, Myotonic Dystrophy Type 1, Myotonic Dystrophy Type-1, Myotonic Dystrophy, Type 1 (DM1), Myotonic Muscular Dystrophy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 70 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Pitolisant on Excessive Daytime Sleepiness and Other Non-Muscular Symptoms in Patients With Myotonic Dystrophy Type 1

NCT04886518
View directory record Official record
Conditions
Myotonic Dystrophy 1, Excessive Daytime Sleepiness
Interventions
Pitolisant Oral Tablet, Placebo oral tablet
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Irvine, California • Aurora, Colorado • Tampa, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of SomatoKine (Iplex)Recombinant Human Insulin-like Growth Factor-1/Recombinant Human Insulin-like Growth Factor-binding Protein-3 (rhIGF-I/rhIGFBP-3) in Myotonic Dystrophy Type 1 (DM1)

NCT00233519
View directory record Official record
Conditions
Myotonic Dystrophy
Interventions
SomatoKine/IPLEX
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2012 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 1 Interventional

Safety, Tolerability, PK, and PD Study of PGN-EDODM1 in Participants With Myotonic Dystrophy Type 1

NCT06204809
View directory record Official record
Conditions
Myotonic Dystrophy 1
Interventions
PGN-EDODM1 for infusion, Placebo
Drug · Other
Lead sponsor
PepGen Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
7
States / cities
Irvine, California • Palo Alto, California • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Children's Health Research Institute(CHRI), Stanford Lucile Packard Children Hospital (LPCH) Protocol on Myotonic Dystrophy

NCT02269865
View directory record Official record
Conditions
Myotonic Dystrophy Type 1
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2014 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Phase 1/2 Study of VX-670 in Adult Participants With Myotonic Dystrophy 1 (DM1)

NCT06185764
View directory record Official record
Conditions
Myotonic Dystrophy Type 1 (DM1)
Interventions
VX-670, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 64 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
8
States / cities
San Carlos, California • Gainesville, Florida • Fairway, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting No phase listed Observational

Remote Assessments and Genetic Determinants of Congenital and Childhood Myotonic Dystrophy

NCT07630389
View directory record Official record
Conditions
Myotonic Dystrophy Type 1, Congenital DM1, Juvenile DM1, Childhood DM1
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
0 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Brain Structure and Clinical Endpoints in Myotonic Dystrophy Type 2

NCT05854433
View directory record Official record
Conditions
Myotonic Dystrophy Type 2, Myotonic Dystrophy Type 1
Interventions
Non-interventional study
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
30 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 2 Interventional Results available

Clinical Efficacy Trial of Mexiletine for Myotonic Dystrophy Type 1

NCT01406873
View directory record Official record
Conditions
Myotonic Dystrophy
Interventions
Mexiletine, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting Phase 3 Interventional

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

NCT07486934
View directory record Official record
Conditions
Myotonic Dystrophy Type 1 (DM1), DM1, Myotonic Dystrophy, Steinert Disease, Steinert
Interventions
zeleciment basivarsen (DYNE-101), Placebo
Drug
Lead sponsor
Dyne Therapeutics
Industry
Eligibility
16 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
7
States / cities
La Jolla, California • Atlanta, Georgia • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 1Phase 2 Interventional

Study of AOC 1001 in Adult Myotonic Dystrophy Type 1 (DM1) Patients

NCT05027269
View directory record Official record
Conditions
DM1, Myotonic Dystrophy 1, Myotonic Dystrophy, Myotonic Dystrophy Type 1 (DM1), Dystrophy Myotonic, Myotonic Disorders, Steinert Disease, Myotonic Muscular Dystrophy
Interventions
AOC 1001, Placebo
Drug
Lead sponsor
Avidity Biosciences, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 2 Interventional

Extension of AOC 1001-CS1 (MARINA) Study in Adult Myotonic Dystrophy Type 1 (DM1) Patients

NCT05479981
View directory record Official record
Conditions
DM1, Muscular Dystrophies, Myotonic Dystrophy, Myotonic Dystrophy 1, Myotonic Disorders, Muscular Disorders, Atrophic, Muscular Diseases, Musculoskeletal Diseases, Neuromuscular Diseases, Nervous System Diseases, Genetic Diseases, Inborn, Heredodegenerative Disorders, Nervous System, Neurodegenerative Diseases
Interventions
Placebo, AOC 1001
Drug
Lead sponsor
Avidity Biosciences, Inc.
Industry
Eligibility
18 Years to 66 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
8
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting No phase listed Observational

Cerebrospinal Fluid Biomarkers of Myotonic Dystrophy

NCT06075693
View directory record Official record
Conditions
Myotonic Dystrophy Type 1
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
88 participants
Timeline
2022 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jul 21, 2026, 6:12 PM EDT
Active, not recruiting Phase 3 Interventional

Global Study of Del-desiran for the Treatment of DM1

NCT06411288
View directory record Official record
Conditions
DM1, Myotonic Dystrophy, Myotonic Dystrophy 1, Myotonia, Myotonic Dystrophy Type 1 (DM1), Dystrophy Myotonic, Myotonic Disorders, Steinert Disease, Steinert, Myotonic Muscular Dystrophy
Interventions
AOC 1001 (del-desiran), Placebo
Drug
Lead sponsor
Avidity Biosciences, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
18
States / cities
Stanford, California • Denver, Colorado • Gainesville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 21, 2026, 6:12 PM EDT
Completed Phase 1Phase 2 Interventional

A Safety andTolerability Study of Multiple Doses of ISIS-DMPKRx in Adults With Myotonic Dystrophy Type 1

NCT02312011
View directory record Official record
Conditions
Myotonic Dystrophy Type 1
Interventions
IONIS-DMPKRx, Placebo
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
20 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
8
States / cities
Stanford, California • Gainesville, Florida • Kansas City, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Jul 21, 2026, 6:12 PM EDT
Recruiting Phase 1Phase 2 Interventional

Safety, Tolerability, Pharmacodynamic, Efficacy, and Pharmacokinetic Study of DYNE-101 in Participants With Myotonic Dystrophy Type 1

NCT05481879
View directory record Official record
Conditions
Myotonic Dystrophy Type 1 (DM1)
Interventions
DYNE-101, Placebo
Drug
Lead sponsor
Dyne Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
8
States / cities
Stanford, California • Gainesville, Florida • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 21, 2026, 6:12 PM EDT