Status:

COMPLETED

A Study to Evaluate Safety, and Efficacy of SUVN-G3031 (Samelisant) in Patients With Narcolepsy With and Without Cataplexy

Lead Sponsor:

Suven Life Sciences Limited

Conditions:

Narcolepsy

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

This study is of an investigational drug called SUVN-G3031 (Samelisant) as a possible treatment for narcolepsy with cataplexy or narcolepsy without cataplexy. The main purpose of this study is to lear...

Detailed Description

This is a Phase 2, double-blind, placebo-controlled, parallel-group, multicenter study to evaluate the safety, tolerability, pharmacokinetics (PK), and efficacy of SUVN-G3031 compared to placebo in pa...

Eligibility Criteria

Inclusion

  • Ages of 18 to 65 years (adult), inclusive.
  • Have narcolepsy with or without cataplexy (Na-1 or Na-2) based on the International Classification of Sleep Disorders (3rd edition) criteria (new or previously diagnosed).
  • Have undergone a multiple sleep latency test (MSLT) study showing an MSLT of ≤ 8 minutes.
  • An Epworth Sleepiness Scale (ESS) score of ≥ 12; and mean Maintenance of Wakefulness Test (MWT) time of \< 12 min.
  • Body mass index ranging from 18 to \< 45 kg/m2
  • Negative urine drug screen.
  • A woman must be either not of childbearing potential or of childbearing potential practicing highly effective methods of birth control.
  • Willingness to complete the study protocol with full compliance with procedures and sign an informed consent form (ICF).

Exclusion

  • Habitual wake-up time after 8 AM as assessed by sleep diary, habitual sleep time of \< 6 hours, and habitual bedtime past 1 AM as determined by sleep diary entries.
  • Use of any investigational therapy within the 30-day period prior to enrollment.
  • Excessive caffeine (defined as \> 600 mg/per day) use at least 1 week prior to baseline assessments and during the course of the trial.
  • Nicotine dependence that has an effect on sleep (eg, a patient who routinely awakens at night to smoke).
  • Use of concurrent medications prescribed to treat narcolepsy as specified including stimulants, antidepressants and sodium oxybate.
  • Current diagnosis of or past treatment for syndromes known to cause sleep disruption or any other cause of daytime sleepiness.
  • Clinically significant ECG abnormalities.
  • An occupation requiring variable shift work, night shifts, or frequent overnight travel which disrupts sleep patterns.

Key Trial Info

Start Date :

September 21 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 13 2023

Estimated Enrollment :

190 Patients enrolled

Trial Details

Trial ID

NCT04072380

Start Date

September 21 2019

End Date

June 13 2023

Last Update

January 13 2025

Active Locations (41)

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Page 1 of 11 (41 locations)

1

Sleep Disorders Center o f Alabama

Birmingham, Alabama, United States, 35213

2

Santa Monica Clinical Trials

Los Angeles, California, United States, 90025

3

Southern California Institute for Respiratory Diseases, Inc.

Los Angeles, California, United States, 90048-6138

4

Pacific Research Network, Inc.

San Diego, California, United States, 92103