A Study of Pitolisant in Patients With Prader-Willi Syndrome

Purpose

This is a Phase 3, randomized, double-blind, placebo-controlled, multicenter, global clinical study to assess the efficacy and safety of pitolisant in patients living with Prader-Willi syndrome. The primary objective of this study is to evaluate the efficacy of pitolisant in treating excessive daytime sleepiness (EDS) in patients ≥6 years of age with Prader-Willi syndrome. Secondary objectives include assessing the impact of pitolisant on: Irritable and disruptive behaviors Hyperphagia Other behavioral problems including social withdrawal, stereotypic behavior, hyperactivity/noncompliance, and inappropriate speech

Condition

  • Prader-Willi Syndrome

Eligibility

Eligible Ages
Over 6 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Genetically confirmed diagnosis of PWS - Excessive daytime sleepiness - Has a consistent parent/caregiver (preferably the same person throughout the study) who is willing and able to complete the required study assessments. - In the opinion of the Investigator, the patient/parent(s)/caregiver(s)/legal guardian(s) are capable of understanding and complying with the requirements of the protocol and administration of oral study drug.

Exclusion Criteria

  • Has a diagnosis of sleep apnea (OSA, CSA) that is not adequately controlled - Has a diagnosis of hypersomnia due to another sleep/medical disorder - Participation in an interventional research study involving another investigational medication, device, or behavioral treatment within 30 days or 5 half-lives (whichever is longer) of the investigational medication prior to Screening

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Double-Blind Treatment Period Pitolisant
Pitolisant tablets administered once daily in the morning upon wakening
  • Drug: Pitolisant tablet
    Pitolisant tablet
    Other names:
    • pitolisant
Placebo Comparator
Double-Blind Treatment Period Placebo
Matching placebo administered tablets once daily in the morning upon wakening
  • Other: Placebo tablet
    Placebo tablet
    Other names:
    • placebo
Other
Open-Label Extension Period Pitolisant
Pitolisant tablets administered once daily in the morning upon wakening
  • Drug: Pitolisant tablet
    Pitolisant tablet
    Other names:
    • pitolisant

Recruiting Locations

Santa Monica Clinical Trials
Los Angeles 5368361, California 5332921 90025
Contact:
Britney Ly
310-586-0843
bly@smclinicaltrials.com

Center of Excellence in Diabetes and Endocrinology
Sacramento 5389489, California 5332921 95821-2123
Contact:
Natalie Marlen
279-210-9814
marlenn@sutterhealth.org

Rady Children's Hospital - Scan Diego
San Diego 5391811, California 5332921 92123
Contact:
Megan Warner
mwarner2@rchsd.org

Tri-Valley Sleep Center
San Ramon 5392593, California 5332921 94583
Contact:
Phil Strauss
925-415-5353
phil@sleepmds.com

Colorado Children's Hospital
Aurora 5412347, Colorado 5417618 80045
Contact:
Nathan Holly
920-264-4742
nathan.holly@childrenscolorado.org

Nemours Children's Hospital
Wilmington 4145381, Delaware 4142224 19803-3607
Contact:
Kimberly Renner
302-651-6400
kimberly.renner@nemours.org

Emory University School of Medicine
Atlanta 4180439, Georgia 4197000 30322
Contact:
Jean Luan McColl
404-778-8619
jean.luan@emory.edu

Ann And Robert H Lurie Children's Hospital of Chicago
Chicago 4887398, Illinois 4896861 60611
Contact:
Sarayu Ratnam, PhD
312-227-6617
sratnam@luriechildrens.org

Riley Children's Hospital
Indianapolis 4259418, Indiana 4921868 46202
Contact:
Julia Meyer
317-278-7118
meyerj@iupui.edu

Johns Hopkins Hospital
Baltimore 4347778, Maryland 4361885 21224
Contact:
Ekema Anjorin
eanjori2@jhmi.edu

Mayo Clinic-PPDS
Rochester 5043473, Minnesota 5037779 55905
Contact:
Michaela Kolarvoa
507-293-1139
kolarvoa.michaela@mayo.edu

Maimonides Medical Center
Brooklyn 5110302, New York 5128638 11219
Contact:
Otuwe Anya
718-283-8170
OAnya@maimo.org

Montefiore Medical Center
The Bronx 5110266, New York 5128638 10467
Contact:
Eric Hollander, MD
eholland@montefiore.org

Science 37 (at-home option)
Morrisville 4480285, North Carolina 4482348 27560
Contact:
Teresa Logsdon
310-929-8473
HarmonyPWS@science37.com

Center for Human Genetics
Cleveland 5150529, Ohio 5165418 441016
Contact:
Mehjabeen Hossain
216-869-9202
mehjabeen.hossain@uhhospitals.org

Texas Children's Hospital
Houston 4699066, Texas 4736286 77030
Contact:
Paushpala Sen
832-822-1343
pxsen3@texaschildrens.org

Road Runner Research
San Antonio 4726206, Texas 4736286 78249-3539
Contact:
Nancy Lopez
210-949-0505
nlopez@rrresearchsa.com

Childrens Hospital of Wisconsin
Milwaukee 5263045, Wisconsin 5279468 53226
Contact:
Paula Engelking
414-266-3289
pengelki@mcw.edu

More Details

Status
Recruiting
Sponsor
Harmony Biosciences Management, Inc.

Study Contact

Ann Adee
773-383-6258
clinicaltrials@harmonybiosciences.com

Detailed Description

The study will consist of an up to 45-day Screening/Baseline Period, a Double-Blind Treatment Period, and an optional Open-Label Extension Period. After completion of all Baseline assessments, patients who meet all eligibility criteria will be randomized 1:1 to receive once daily pitolisant or matching placebo. During the Double-Blind Treatment Period, in-person visits will be at Day 29, Day 57, and Day 77. Patients who do not elect to enter the Open-Label Extension Period will have follow-up visits 15 days and 30 days after the final dose of study drug. During the optional Open-Label Extension Period, in-person visits will be at Day 113, Day 260, and Day 441. Patients will have follow-up visits 15 days and 30 days after the final dose of pitolisant.