Clinical Trial 42862

Atlanta, GA 30342


Study Summary:

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



Inclusion Criteria:

  • Ages of 18 to 50 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 an multiple sleep latency test (MSLT) within the previous 15 years showing an MSLT of ≤ 8 minutes.
  • An ESS score of ≥ 12; and mean 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 Criteria:

  • 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 (including pitolisant) 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.


Qualified Participants May Receive:

Compensation for time and travel for all qualified completed study vistis.


Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.