Once-Nightly Sodium Oxybate for Treatment of Excessive Daytime Sleepiness and Cataplexy in Narcolepsy
Excessive Daytime Sleepiness, Cataplexy, Narcolepsy
About this trial
This is an interventional treatment trial for Excessive Daytime Sleepiness
Eligibility Criteria
Inclusion Criteria:
- Male or female subjects 16 years of age or older
- Willing and able to give written informed consent for study participation. For young adults (16 and 17 years old) who have not reached the age of majority they must be capable of giving assent and consent from a legally authorized guardian must be obtained, as required by local laws and regulations
- Documented evidence of a diagnosis of NT1 (type 1 narcolepsy) or NT2 (type 2 narcolepsy) as, in part, determined by an overnight PSG (polysomnography) and next-day MSLT (maintenance of sleep latency test) with 2 or more SOREMPs (sleep onset REM) with mean sleep latency in the pathological range i.e. < 8 minutes and meeting the NT1 and NT2 as defined by the International Classification of Sleep Disorders -3 criteria.
- Current continuing presence of EDS (excessive daytime sleepiness) as defined by subject report for the last 3 months and an ESS (Epworth sleepiness scale) > 10
- For NT1 only, current continuing presence of cataplexy as defined by subject report for the last 3 months
Subjects may use concomitant stimulants, but must comply with the following:
- They must be on a stable dose of stimulants for at least 3 weeks prior to starting the screening process for this study; AND
- They must use the same stimulant regimen throughout the entire study period, including during screening and posttreatment periods
- They must discontinue all anti cataplexy drugs
- Addition inclusion criteria per protocol
Exclusion criteria
Any prior use of sodium oxybate is allowed in the study but within the following exclusions:
- Previous dosing must have been limited to no more than 4.5g per night
- Patient should not have taken sodium oxybate for more than 2 weeks.
- All previous dosing must not have occurred within the last year prior to entry to the study.
- Current use of sodium valproate
Any use of the following prohibited medications for the duration of the clinical study:
- Anticonvulsants
- Clonidine
- SSRIs (selective serotonin re-uptake inhibitors) and serotonin and norepinephrine re-uptake inhibitors (SNRIs)
- MAOIs (monoamine oxidase inhibitors)
- TCAs (tricyclic antidepressants)
- Hypnotics
- Anxiolytics
- Sedating antihistamines
- Antipsychotics
- Other experimental medications designed to treat narcolepsy, cataplexy or any other condition
- Treatment with any investigational products within 3 months before study enrollment
- Any drug known to affect sleep-wake function. Concomitant stimulant use is permitted
- Additional exclusion criteria per protocol
Sites / Locations
- Pinnacle Research Group LLC
- University Sleep Disorder Center
- Sleep Disorders Center of Alabama
- Baptist Health Center for Clinical Research
- California Center for Sleep Disorders
- Stanford Sleep Medicine
- SDS Clinical Trials Inc
- Alpine Research Center
- Yale-New Haven Hospital's Sleep Medicine Center
- Pulmonary Disease Specialist, PA
- Sleep Medicine Specialists of South Florida
- Sleep Medicine Specialist of South Florida
- NeuroMedical Research Institute/Global Research Holdings, LLC
- FL Pediatric REsearch Institute
- Florida Pulmonary Research Institute LLC
- NeuroTrials Research Inc
- Sleep Disorders Center of Georgia
- Clinical Research Institute
- OSF Healthcare Saint Francis Medical Center
- Fort Wayne Neurological Center
- Norton Clinical Research Group
- Center for Sleep and Wake Disorders
- Infinity Medical Research
- Montefiore Sleep-Wake Disorders Center
- Northwell Health
- Clinilabs Drug Development Corporation
- Research Carolina of Huntersville
- Wake Research Associates, LLC
- Sleep Management Institute Intrepid Research
- University Hospitals Case Medical Center
- Ohio Sleep Medicine Institute
- Geisinger Medical Center
- Medical University of South Carolina - Institute of Psychiatry
- SleepMed Of South Carolina
- Sleep and Neurology Consultants
- Sleep Therapy Research Center
- NHMRC CEntre for Translational Sleep and Circadian Neurobiology
- Westmead Hospital
- Princess Alexandra Hospital
- Queen Elizabeth Hospital
- Flinders Medical Centre
- Melbourne Sleep Disorders Centre
- Somni Research Inc. Calgary
- Okanagan Clinical Trials Ltd
- West Parry Sound Health Center
- Somni Research Inc
- Paediatric Sleep Research Inc
- CIUSS de Nord-de-I'ile-de- Montreal- Hopital de Sacre-Coeur de Montreal
- Vseobecna Facultni Nemocnice
- CHU Michallon
- Hospital Gui-de-de-Chauliac
- INSERM - Centre d'Investigation Clinque Hopital Robert Debre
- Charit Universittsmedizin Berlin
- Hephata Klinik
- Somni bene GmbH
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Sodium Oxybate
Placebo
Patients will undergo a screening period and will then be titrated to the following once-nightly doses: 4.5 g sodium oxybate, 6.0 g sodium oxybate, 7.5 g sodium oxybate, and 9.0 g sodium oxybate.
Patients will undergo a screening period and will then be titrated to the following once-nightly doses: 4.5 g placebo, 6.0 g placebo, 7.5 g placebo, and 9.0 g placebo.