A Study of the Efficacy and Safety of JZP-258 in Subjects With Narcolepsy With Cataplexy
Launched by JAZZ PHARMACEUTICALS · Jan 24, 2017
Trial Information
Current as of June 20, 2025
Completed
Keywords
ClinConnect Summary
Subjects will be transitioned to JZP-258 based on their treatment status at study entry. All subjects will begin JZP-258 treatment at the beginning of this period and continue through Week 12. They will be treated with JZP-258 alone for the final two weeks of this 12-week period. Once the JZP-258 dose has been optimized per the Investigator's judgment, these subjects may enter the 2-week Stable-Dose Period with that dose. Subjects are eligible to enter the Double-Blind Randomized-Withdrawal Period if the dose of JZP-258 remains unchanged during the Stable-Dose Period and, in the judgment of...
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • 1. Male or female subjects between 18 and 70 years of age, inclusive.
- • 2. Have a primary diagnosis of narcolepsy with cataplexy that meets ICSD-3 criteria or DSM-5 criteria, and currently untreated or treated with or without anticataplectics.
- • 3. If applicable, treated with a stimulant or alerting agent at unchanged doses for at least 2 months prior to dosing or not treated with a stimulant or alerting agent.
- • 4. Willing and able to comply with the study design schedule and other requirements.
- • 5. Willing and able to provide written informed consent.
- Exclusion Criteria:
- • 1. Narcolepsy secondary to another medical condition (e.g., CNS injury or lesion)
- • 2. History or presence of any unstable or clinically significant medical condition, behavioral or psychiatric disorder (including active suicidal ideation), or history or presence of another neurological disorder or surgical history that might affect the subject's safety and/or interfere with the conduct of the study in the opinion of the Investigator.
- • 3. Treatment with any central nervous system sedating agents, including but not limited to benzodiazepines, nonbenzodiazepine anxiolytics/ hypnotics/sedatives, neuroleptics, opioids, barbiturates, phenytoin, ethosuximide, or MCT inhibitors, e.g. diclofenac, valproate, ibuprofen, within 2 weeks prior to enrollment (discontinuation for the purpose of study enrollment is permitted only if considered safe by the Investigator and approved by the Medical Monitor).
- • 4. Treatment with an antidepressant for cataplexy, if the withdrawal of the antidepressant during cross-titration with JZP-258 might be unsafe due to prior history of depression.
- • 5. Unsafe for the subject to receive placebo treatment for 2 weeks, in the opinion of the Investigator.
About Jazz Pharmaceuticals
Jazz Pharmaceuticals is a global biopharmaceutical company dedicated to identifying, developing, and commercializing innovative therapies that address unmet medical needs in various therapeutic areas, including sleep disorders, neurology, and hematology. With a strong commitment to advancing patient care, Jazz Pharmaceuticals leverages cutting-edge research and development to deliver transformative medicines that improve the quality of life for patients. The company emphasizes collaboration and integrity in its clinical trials, striving to ensure robust scientific rigor and ethical standards throughout its research endeavors. Through its innovative approaches and patient-centric focus, Jazz Pharmaceuticals aims to make a meaningful impact in the lives of those it serves.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Fort Wayne, Indiana, United States
Barcelona, , Spain
Gent, , Belgium
Leuven, , Belgium
Edegem, , Belgium
Barcelona, , Spain
Gent, Oost Vlaanderen, Belgium
Praha 2, , Czechia
Louisville, Kentucky, United States
Kissimmee, Florida, United States
Cincinnati, Ohio, United States
Montpellier, Herault, France
Orange, California, United States
Stanford, California, United States
Boulder, Colorado, United States
Chevy Chase, Maryland, United States
Bronx, New York, United States
Gastonia, North Carolina, United States
Huntersville, North Carolina, United States
Cleveland, Ohio, United States
Ostrava Poruba, , Czechia
Helsinki, , Finland
Lille, , France
Castelló, , Spain
Madrid, , Spain
Madrid, , Spain
Leuven, Herestraat 49, Belgium
Patients applied
Trial Officials
Director Clinical Trial Disclosure & Transparency
Study Director
Jazz Pharmaceuticals
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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