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DYNE-251 Exon 51 Skipping Therapy for Duchenne Muscular Dystrophy: DELIVER Clinical Trial

Dyne Therapeutics Exon 51 Skipping DELIVER Phase 1/2 Clinical Trial
Active, Not RecruitingPhase 1/2Exon Skipping

Study Overview

Age
4–16 years
Phase
Phase 1/2
Sponsor
Dyne Therapeutics
Therapeutic Approach
Exon Skipping
Variant Requirement
Male with a confirmed diagnosis of DMD and with a mutation in the dystrophin gene characterized by exon deletion amenable to exon 51 skipping.
Eligible Sex
Male
Ambulation
Ambulatory and Non-Ambulatory
Study Start (Actual)
2022-08-12
Primary Completion (Estimated)
2029-11
Study Completion (Estimated)
2029-11
Enrollment (Estimated)
86
Countries
United StatesAustraliaBelgiumCanadaIrelandItalySouth KoreaSpainUnited Kingdom

Study Requirements and Criteria

Steroid Use

Receiving a stable dosage of glucocorticoids for at least 12 weeks prior to the start of study drug administration, with the expectation of maintaining a stable dose during the Placebo-Controlled and Open-Label Periods of the study (unless dose adjustment is required by weight change).

Inclusion Criteria

  • Age 4 to 16 years inclusive, at the time of informed consent/assent.
  • Upper extremity muscle group that is amenable to muscle biopsy.
  • Brooke Upper Extremity Scale score of 1 or 2.
  • Ambulatory or non-ambulatory. A non-ambulatory participant must have been non-ambulatory for <2 years before enrollment.
  • Left ventricular ejection fraction of ≥50% by echocardiogram or ≥55% by cardiac magnetic resonance imaging (MRI).

Exclusion Criteria

  • Uncontrolled clinical symptoms and signs of congestive heart failure (CHF).
  • Any change in prophylaxis/treatment for CHF within 3 months prior to the start of study treatment.
  • History of major surgical procedure within 12 weeks prior to the start of study drug administration or an expectation of a major surgical procedure during the study.
  • Requirement of daytime ventilator assistance.
  • Percent predicted FVC <40 % (applies only for participants who are age ≥7 years).
  • Receipt of eteplirsen, or alternative exon-skipping/dystrophin-modifying therapy, within 12 weeks of randomization.
  • Receipt of non-exon skipping investigational drug within 4 months before the start of study drug administration.
  • Receipt of gene therapy at any time.
  • Other inclusion and exclusion criteria may apply.

Contacts and Locations

Contacts and Locations

Contact

Locations

This study has 30 locations

United States

California Locations

La Jolla, California, United States, 92037

University of California San Diego

Los Angeles, California, United States, 90095

UCLA University California of Los Angeles

Colorado Locations

Aurora, Colorado, United States, 80045

Children's Hospital Colorado

Georgia Locations

Atlanta, Georgia, United States, 30329

Rare Disease Research, LLC

Massachusetts Locations

Worcester, Massachusetts, United States, 01655

UMass Memorial Medical Center

Ohio Locations

Columbus, Ohio, United States, 43205

Nationwide Children's Hospital

Oregon Locations

Portland, Oregon, United States, 97239

Shriners Hospitals for Children Portland

Pennsylvania Locations

Philadelphia, Pennsylvania, United States, 19104

Children's Hospital of Philadelphia

Pittsburgh, Pennsylvania, United States, 15224-1334

UPMC Children's Hospital of Pittsburgh

Utah Locations

Salt Lake City, Utah, United States, 08412

University of Utah - PPDS

Virginia Locations

Richmond, Virginia, United States, 23219

Virginia Commonwealth University

Australia

New South Wales Locations

Westmead, New South Wales, Australia, 02145

Children's Hospital at Westmead

Victoria Locations

Parkville, Victoria, Australia, 3052

Murdoch Children's Research Institute

Belgium

Ghent, Belgium, 9000

UZ Gent

Leuven, Belgium, 3000

UZ Leuven

Liège, Belgium, 4000

CHR Citadelle

Canada

Ontario Locations

London, Ontario, Canada, N6A 5W9

London Health Sciences Centre

Ottawa, Ontario, Canada, ON K1H 8L1

Children's Hospital of Eastern Ontario

Ireland

Dublin, Ireland, D01 XD99

CHI [Children's Health Ireland] at Temple Street Children's University Hospital

Italy

Lazio Locations

Rome, Lazio, Italy, 00168

Fondazione Policlinico Universitario A Gemelli

Lombardy Locations

Milan, Lombardy, Italy, 20162

Fondazione Serena Onlus - Centro Clinico NeMO

Milan, Lombardy, Italy, 20312

Ospedale San Raffaele S.r.l. - PPDS

South Korea

Teugbyeolsi Locations

Seoul, Teugbyeolsi, South Korea, 6351

Samsung Medical Center

Spain

Barcelona, Spain, 8025

Hospital Universitario Vall d'Hebron - PPDS

Barcelona, Spain, 8950

Hospital Sant Joan de Déu Universidad de Barcelona

United Kingdom

Merseyside Locations

Liverpool, Merseyside, United Kingdom, L12 2AP

Alder Hey Children's Hospital

Northumberland Locations

Newcastle upon Tyne, Northumberland, United Kingdom, NE1 4LP

Royal Victoria Infirmary

West Yorkshire Locations

Leeds, West Yorkshire, United Kingdom, LS1 3EX

Leeds Teaching Hospitals NHS Trust

Bristol, United Kingdom, BS2 8BJ

Bristol Childrens Hospital

London, United Kingdom, WC1N 3JH

Great Ormond Street Hospital

Clinical Trial Registry

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This information is provided for educational purposes only. Always consult the study investigators before making medical decisions.

Dyne Therapeutics Exon 51 Skipping DELIVER Phase 1/2 Clinical Trial | DMD Warrior