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A Study to Assess the Efficacy and Safety of MNK-1411 in Duchenne Muscular Dystrophy (BRAVE)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. Identifier: NCT03400852
Recruitment Status : Recruiting
First Posted : January 17, 2018
Last Update Posted : April 15, 2019
Information provided by (Responsible Party):

Brief Summary:
This is a multicenter, double blind, placebo controlled, multiple dose study to examine the safety and efficacy of MNK-1411 in male subjects 4 to 8 years of age (inclusive) with Duchenne Muscular Dystrophy (DMD).

Condition or disease Intervention/treatment Phase
Muscular Dystrophy, Duchenne Drug: Cosyntropin Other: Placebo Phase 2

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 132 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Multicenter, Randomized, Parallel Group, Double Blind, Multiple Dose, Placebo Controlled Study to Assess the Efficacy and Safety of MNK-1411 in Male Participants 4 to 8 Years of Age With Duchenne Muscular Dystrophy
Actual Study Start Date : July 17, 2018
Estimated Primary Completion Date : July 2020
Estimated Study Completion Date : August 2020

Arm Intervention/treatment
Experimental: Treatment A, MNK1411 High Dose
Cosyntropin suspension 0.5/0.4 mL for up to 48 weeks
Drug: Cosyntropin
Suspension administered subcutaneously 2X week
Other Name: MNK1411

Experimental: Treatment B, MNK1411 Low Dose
Cosyntropin suspension 0.25/0.2 mL for up to 48 weeks
Drug: Cosyntropin
Suspension administered subcutaneously 2X week
Other Name: MNK1411

Placebo Comparator: Treatment C, Placebo High Dose
Placebo suspension 0.4/0.5 mL for up to 24 weeks
Other: Placebo
Suspension administered subcutaneously 2X week

Placebo Comparator: Treatment D, Placebo Low Dose
Placebo suspension 0.25/0.2 mL for up to 24 weeks
Other: Placebo
Suspension administered subcutaneously 2X week

Primary Outcome Measures :
  1. 10 meter walk/run [ Time Frame: 24 weeks ]
    Motor performance test

Secondary Outcome Measures :
  1. NorthStar Ambulatory Assessment [ Time Frame: 24 weeks ]
    Motor performance battery

  2. 4 stair climb [ Time Frame: 24 weeks ]
    Motor performance test

  3. Rise from supine test [ Time Frame: 24 weeks ]
    Motor performance test

  4. Quantitative muscle testing [ Time Frame: 24 weeks ]
    Strength-knee flexion and extension measured in Newtons, using a dynamometer

Information from the National Library of Medicine

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Ages Eligible for Study:   4 Years to 8 Years   (Child)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Participants must have a documented diagnosis of Duchenne Muscular Dystrophy (DMD) confirmed by complete dystrophin deficiency (by immunofluorescence and/or immunoblot), or identifiable mutation in the DMD gene where reading frame can be predicated as "out of frame," or complete dystrophin gene sequencing consistent with DMD; AND in the opinion of the Investigator, a typical clinical profile consistent with DMD.
  2. Participants taking approved treatments for DMD (by a Health Authority) that target dystrophin gene mutations (e.g., eteplirsen or ataluren) may be enrolled in the study if they have been on a stable dose for 30 days prior to the first dose of study drug, and plan to remain on that dose throughout the study.

Exclusion Criteria:

  1. Participant has had previous systemic treatment with corticosteroids within 2 months prior to the Screening Visit. Exception: In subjects who were down-titrated to a physiological dose of corticosteroids (ie, 3mg/m2 of prednisone or deflazacort) a maximum of 1 month of no greater than a physiological dose followed by 1 month completely off corticosteroids prior to the Screening Visit will be acceptable for study entry. Transient previous use of corticosteroids will be evaluated on a case-by-case basis by the sponsor or designee. The use of topical or intra-articular corticosteroids is permitted during the study
  2. Participant is unable to complete the 10 meter Walk/Run test at the Screening and/or Baseline Visit.
  3. Participant has Type 1 or Type 2 diabetes mellitus.
  4. Participant has a history of chronic active hepatitis including acute or chronic hepatitis B, or acute or chronic hepatitis C.
  5. Participant has a history of tuberculosis (TB) infection, any signs/symptoms of TB, or any close contact with an individual with an active TB infection.
  6. Participant has known immune compromised status (not related to disease/condition under study), including but not limited to, individuals who have undergone organ transplantation or who are known to be positive for the human immunodeficiency virus.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03400852

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Contact: Study Manager 800-556-3314

  Show 29 Study Locations
Sponsors and Collaborators
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Study Director: Study Director Mallinckrodt

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Responsible Party: Mallinckrodt Identifier: NCT03400852     History of Changes
Other Study ID Numbers: MNK14112096
First Posted: January 17, 2018    Key Record Dates
Last Update Posted: April 15, 2019
Last Verified: January 2019

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Mallinckrodt:
Muscular Dystrophy
Additional relevant MeSH terms:
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Muscular Dystrophies
Muscular Dystrophy, Duchenne
Muscular Disorders, Atrophic
Muscular Diseases
Musculoskeletal Diseases
Neuromuscular Diseases
Nervous System Diseases
Genetic Diseases, Inborn
Genetic Diseases, X-Linked
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs