A Study of Diazoxide Choline in Patients With Prader-Willi Syndrome

NCT ID: NCT03440814

Last Updated: 2023-09-21

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

127 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-09

Study Completion Date

2020-05-01

Brief Summary

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The purpose of this is study is to evaluate the effects of DCCR (diazoxide choline controlled release tablets) in children and adults with Prader-Willi syndrome.

Detailed Description

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Conditions

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Prader-Willi Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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DCCR

75 - 450 mg DCCR

Group Type EXPERIMENTAL

DCCR

Intervention Type DRUG

Once daily oral administration

Placebo

75 - 450 mg placebo for DCCR

Group Type PLACEBO_COMPARATOR

Placebo for DCCR

Intervention Type DRUG

Once daily oral administration

Interventions

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DCCR

Once daily oral administration

Intervention Type DRUG

Placebo for DCCR

Once daily oral administration

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Provide voluntary, written informed consent (parent(s) / legal guardian(s) of patient); provide voluntary, written assent (patients, as appropriate)
* Genetically-confirmed Prader-Willi syndrome and hyperphagic
* In a stable care setting for at least 6 months prior to Visit 1
* Caregiver must have been caring for the patient for at least 6 months prior to Visit 1

Exclusion Criteria

* Have participated in an interventional clinical study (i.e., investigational drug or device, approved drugs or device evaluated for unapproved use) within prior 3 months
* Positive urine pregnancy test (in females of child-bearing potential) or females who are pregnant or breastfeeding, and/or plan to become pregnant or to breast-feed during or within 30 days after study participation
* Any other known disease and/or condition, which would prevent, in the opinion of the Investigator, the patient from completing all study visits and assessments required by the protocol
Minimum Eligible Age

4 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Soleno Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Evelien Gevers, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Queen Mary University of London, Barts Health NHS Trust

Jennifer L. Miller, MD

Role: PRINCIPAL_INVESTIGATOR

University of Florida

Locations

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University of California, Irvine

Orange, California, United States

Site Status

Stanford University

Palo Alto, California, United States

Site Status

Rady Children's Hospital San Diego

San Diego, California, United States

Site Status

Children's Hospital Colorado

Aurora, Colorado, United States

Site Status

University of Florida Gainesville

Gainesville, Florida, United States

Site Status

Emory Children's Center

Atlanta, Georgia, United States

Site Status

Indiana University School of Medicine

Indianapolis, Indiana, United States

Site Status

Kansas University Medical Center

Kansas City, Kansas, United States

Site Status

National Institutes of Health Hatfield Clinical Research Center

Bethesda, Maryland, United States

Site Status

Boston Children's Hospital

Boston, Massachusetts, United States

Site Status

Sparrow Clinical Research Institute

Lansing, Michigan, United States

Site Status

Children's Minnesota

Saint Paul, Minnesota, United States

Site Status

St. Joseph's University Medical Center

Paterson, New Jersey, United States

Site Status

NYU Winthrop Hospital

Mineola, New York, United States

Site Status

University Hospitals Cleveland Medical Center

Cleveland, Ohio, United States

Site Status

The Research Institute at Nationwide Children's Hospital

Columbus, Ohio, United States

Site Status

Vanderbilt University

Nashville, Tennessee, United States

Site Status

Research Institute of Dallas

Dallas, Texas, United States

Site Status

University of Utah

Salt Lake City, Utah, United States

Site Status

Seattle Children's Hospital

Seattle, Washington, United States

Site Status

The Queen Elizabeth University

Glasgow, Scottland, United Kingdom

Site Status

Hull and East Yorkshire Hospitals NHS Trust

Hull, Yorkshire, United Kingdom

Site Status

Birmingham Women's and Children's Hospital

Birmingham, , United Kingdom

Site Status

Fulbourn Hospital

Cambridge, , United Kingdom

Site Status

Alder Hey Children's Hospital NHS Foundation Trust

Liverpool, , United Kingdom

Site Status

Aintree University Hospital NHS Foundation Trust

Liverpool, , United Kingdom

Site Status

Royal London Hospital

London, , United Kingdom

Site Status

Chelsea and Westminster Hospital

London, , United Kingdom

Site Status

Hammersmith Hospital

London, , United Kingdom

Site Status

Countries

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United States United Kingdom

References

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Strong TV, Miller JL, McCandless SE, Gevers E, Yanovski JA, Matesevac L, Bohonowych J, Ballal S, Yen K, Hirano P, Cowen NM, Bhatnagar A. Behavioral changes in patients with Prader-Willi syndrome receiving diazoxide choline extended-release tablets compared to the PATH for PWS natural history study. J Neurodev Disord. 2024 Apr 26;16(1):22. doi: 10.1186/s11689-024-09536-x.

Reference Type DERIVED
PMID: 38671361 (View on PubMed)

Miller JL, Gevers E, Bridges N, Yanovski JA, Salehi P, Obrynba KS, Felner EI, Bird LM, Shoemaker AH, Angulo M, Butler MG, Stevenson D, Goldstone AP, Wilding J, Lah M, Shaikh MG, Littlejohn E, Abuzzahab MJ, Fleischman A, Hirano P, Yen K, Cowen NM, Bhatnagar A; C601/C602 Investigators. Diazoxide choline extended-release tablet in people with Prader-Willi syndrome: results from long-term open-label study. Obesity (Silver Spring). 2024 Feb;32(2):252-261. doi: 10.1002/oby.23928. Epub 2023 Nov 2.

Reference Type DERIVED
PMID: 37919617 (View on PubMed)

Miller JL, Gevers E, Bridges N, Yanovski JA, Salehi P, Obrynba KS, Felner EI, Bird LM, Shoemaker AH, Angulo M, Butler MG, Stevenson D, Abuzzahab J, Barrett T, Lah M, Littlejohn E, Mathew V, Cowen NM, Bhatnagar A; DESTINY PWS Investigators. Diazoxide Choline Extended-Release Tablet in People With Prader-Willi Syndrome: A Double-Blind, Placebo-Controlled Trial. J Clin Endocrinol Metab. 2023 Jun 16;108(7):1676-1685. doi: 10.1210/clinem/dgad014.

Reference Type DERIVED
PMID: 36639249 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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C601

Identifier Type: -

Identifier Source: org_study_id

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