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Open-Label Extension Study of DCCR in Patients With Prader-Willi Syndrome

Phase 3
Active, not recruiting
Conditions
Prader-Willi Syndrome
Interventions
Drug: DCCR
Registration Number
NCT05701774
Lead Sponsor
Soleno Therapeutics, Inc.
Brief Summary

The purpose of this is study is to evaluate the long-term safety of DCCR (diazoxide choline) extended-release tablets) in patients with Prader-Willi syndrome.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
83
Inclusion Criteria
  1. Provide voluntary, written informed consent (parent(s) / legal guardian(s) of patient); provide voluntary, written assent (subjects, as appropriate)

  2. Participant must:

    1. Have participated in and completed the Study C602 Randomized Withdrawal (RW) Period;
    2. Have participated in but discontinued from the Study C602 RW Period and at least 16 weeks have elapsed since the date of their randomization into the C602 RW Period; or
    3. Have participated in Study C602 OLE period, did not consent to participate in the RW Period, and at least 16 weeks have elapsed since the date of their C602 Open-Label Extension End of Treatment Visit.
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Exclusion Criteria
  1. Positive urine pregnancy test (in females of child-bearing potential)
  2. Females who are pregnant or breastfeeding, and/or plan to become pregnant or to breast-feed during or within 30 days after study participation.
  3. Participation in a clinical study of an investigational drug (including approved drugs for unapproved uses), investigational device, or therapeutic intervention subsequent to the C602 Open-Label Extension End of Treatment Visit.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
DCCRDCCR75 - 525 mg DCCR
Primary Outcome Measures
NameTimeMethod
Safety of DCCR (adverse events. Safety analyses will be conducted in all subjects who receive at least one dose of DCCR in the C614 study. ( Adverse events)Baseline to Week 262 or until resolution of certain adverse events

Assess the safety of DCCR by evaluating the incidence and severity of adverse events.

Safety analyses will be conducted in all subjects who receive at least one dose of DCCR in the C614 study. Adverse events will be described by type and level of severity.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (22)

Boston Children's Hospital

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Boston, Massachusetts, United States

The Queen Elizabeth University

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Glasgow, United Kingdom

Children's Hospital and Clinic Minnesota

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Saint Paul, Minnesota, United States

Fulbourn Hospital

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Cambridge, United Kingdom

UC Irvine

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Orange, California, United States

St. Joseph's University Medical Center

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Paterson, New Jersey, United States

Royal London Hospital

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London, United Kingdom

Chelsea and Westminster Hospital

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London, United Kingdom

Indiana University School of Medicine

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Indianapolis, Indiana, United States

Vanderbilt University

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Nashville, Tennessee, United States

NYU Winthrop Hospital

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Mineola, New York, United States

Stanford University

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Palo Alto, California, United States

Emory Children's Center

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Atlanta, Georgia, United States

Rady Children's Hospital of San Diego

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San Diego, California, United States

Research Institute of Dallas

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Dallas, Texas, United States

University of Utah

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Salt Lake City, Utah, United States

Hull and East Yorkshire Hospitals NHS Trust

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Hull, United Kingdom

Seattle Children's

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Seattle, Washington, United States

The Research Institute at Nationwide Children's Hospital

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Columbus, Ohio, United States

Sparrow Clinical Research Institute

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Lansing, Michigan, United States

U of Florida Gainesville

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Gainesville, Florida, United States

National Institutes of Health

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Bethesda, Maryland, United States

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