This is a double-blind, placebo-controlled, randomized withdrawal, multicenter study of the efficacy and safety of FT218. FT218 drug product is a once-nightly formulation of sodium oxybate for extended-release oral suspension. The study will enroll subjects who are diagnosed with idiopathic hypersomnia. Subjects will be eligible to enroll regardless of current treatment with oxybate therapy or stimulants/alerting agents at study entry. The estimated total duration of study for each subject is approximately 18 weeks, including the Screening period.
Age range
18 Years – 75 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Epworth Sleepiness Scale (ESS)
Timeframe: End of stable dose visit to end of double-blind, randomized withdrawal visit [Week 12 to Week 14; 2 week period]