CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 30 enrolled
Drug / intervention
Pitolisant Oral Tablet +1 moredrug
Likely dose
Pitolisant Oral Tablet 4.45 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04886518
NCT04886518Phase 2Completed

A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Efficacy of Pitolisant on Excessive Daytime Sleepiness and Other Non-Muscular Symptoms in Patients With Myotonic Dystrophy Type 1, Followed by an Open-Label Extension

Harmony Biosciences Management, Inc.·interventional·Posted May 14, 2021·Updated Apr 25, 2025

In Brief

A Phase 2 clinical trial evaluating Pitolisant Oral Tablet and Placebo oral tablet for Myotonic Dystrophy 1 and Excessive Daytime Sleepiness. Completed, enrolled 30 participants across 13 sites in 2 countries.

Detailed Summary

The primary objective of this study is to evaluate the safety and efficacy of pitolisant compared with placebo in treating excessive daytime sleepiness (EDS) in patients with Myotonic Dystrophy Type 1 ages 18 to 65 years. The secondary objectives of this study are to assess the impact of pitolisant on fatigue, cognitive function and the burden of disease along with assessing the long-term safety and effectiveness of pitolisant in patients with Myotonic Dystrophy Type 1 ages 18 to 65 years.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, United States
Collaborators--

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedMay 14, 2021
Enrollment StartJun 28, 2021
Primary CompletionOct 6, 2023
Study CompletionOct 31, 2024
TodayJul 2, 2026
Enrollment to primary: 2.3 yearsPosted 5.1 years ago

Interventions

Pitolisant Oral Tabletdrug

Pitolisant 4.45 mg tablets: white, round, plain, biconvex film-coated tablet, 3.7 mm in diameter. Each tablet contains 5 mg of pitolisant hydrochloride equivalent to 4.45 mg of pitolisant. Pitolisant 17.8 mg tablets: white, round, plain, biconvex film-coated tablet, 7.5 mm in diameter. Each tablet contains 20 mg of pitolisant hydrochloride equivalent to 17.8 mg of pitolisant.

Placebo oral tabletdrug

Matching placebo tablets will be provided for each strength of active pitolisant film-coated tablets.