Evaluating FT218 for treating Idiopathic Hypersomnia
Official title: A Double-blind, Placebo-controlled, Randomized Withdrawal, Multicenter Study of the Efficacy and Safety of FT218 in the Treatment of Idiopathic Hypersomnia (IH)
Run by Avadel · NCT06525077 · Data updated 2026-05-14
This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.
This study is testing a new nighttime medication called FT218 to see if it helps people with idiopathic hypersomnia feel more awake and alert.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 75 Years |
| Sex | All |
| Enrollment | 150 (estimated) |
| Sponsor | Avadel Industry-sponsored |
| Locations | 7 sites (Boulder, Colorado and 6 other locations) |
| Trial ID | NCT06525077 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults diagnosed with idiopathic hypersomnia who meet specific eligibility criteria regarding sleep patterns and current treatments.
✕Probably not a fit
Patients with hypersomnia due to other medical, behavioral, sleep, or psychiatric conditions may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial is a double-blind, placebo-controlled, randomized withdrawal study assessing the safety and efficacy of FT218, a once-nightly formulation of sodium oxybate, in patients diagnosed with idiopathic hypersomnia. Participants will be enrolled regardless of their current treatment with oxybate therapy or stimulants. The study aims to determine the effectiveness of FT218 over an estimated duration of 18 weeks, including a screening period. The trial will take place across multiple centers to gather diverse data on the drug's performance.
Why it matters
Potential benefit: If successful, this treatment could significantly improve the quality of life for patients suffering from idiopathic hypersomnia by providing a more effective management option.
How similar studies have gone: Previous studies on sodium oxybate have shown promising results in treating sleep disorders, suggesting that this approach may be effective.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Primary diagnosis of idiopathic hypersomnia * Total ESS score at Screening \> 11 if not on prior oxybate * Average nightly total sleep time of \> 7 hours * May use stimulants/alerting agents but dose and regimen must have been stable for 2 months prior to Screening, and remain stable until the double-blind, randomized withdrawal visit * Females of childbearing potential must use highly effective contraception for 2 months prior to Baseline, throughout the study, and for 30 days after the last dose of study drug * Males with female partners of childbearing potential must use condoms throughout the study and for 30 days after the last dose of study drug * Willing and able to provide informed consent and comply with the requirements of the study Exclusion Criteria: * Pregnant, nursing or lactating females * Hypersomnia due to another medical, behavioral, sleep, or psychiatric condition * Untreated or incompletely treated sleep apnea in patients with an apnea-hypopnea index (AHI) ≥ 15 by American Academy of Sleep Medicine (AASM) 1A criteria * Clinically significant parasomnias * History or presence of seizures, head trauma, succinic semialdehyde dehydrogenase deficiency, uncontrolled hypothyroidism, and/or significant hepatic impairment * History or presence of bipolar and related disorders, schizophrenia, schizophrenia spectrum disorders, or other psychotic disorders * Ongoing or past (within 1 year) major depressive episode * At risk for suicide or history of suicide attempt * If not on oxybate at Screening, treatment or planned treatment with any central nervous system (CNS) sedating agents during study * Current or past substance use disorder (including alcohol or cannabinoids) * Excessive caffeine consumption (\> 600 mg/day) * Prior treatment with either FT218 or LUMRYZ
Where it's running
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Alpine Clinical Research Center
Boulder, Colorado, United States Recruiting -
Florida Pediatric Institute
Winter Park, Florida, United States Recruiting -
Clinical Research Institute
Stockbridge, Georgia, United States Recruiting -
Clinical Neurophysiology Services PC
Sterling Heights, Michigan, United States Recruiting -
Advanced Respiratory and Sleep Medicine
Huntersville, North Carolina, United States Recruiting -
Bogan Sleep Consultants
Columbia, South Carolina, United States Recruiting
Show 1 more location
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Tidewater Physicians Multispecialty Group (TPMG) Clinical Research
Williamsburg, Virginia, United States Recruiting
Study contacts
- Study coordinator: Gretchen Richards, MS
- Email: grichards@avadel.com
- Phone: (636) 449-1830
Similar studies
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Long-term test of TAK-360 in people with narcolepsy or idiopathic hypersomnia
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Expanded-dosing Xywav vs placebo in narcolepsy and IH
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Phase 3 HBS-301 for idiopathic hypersomnia
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Long-term ORX750 treatment for people with narcolepsy or idiopathic hypersomnia
This open-label extension will try continued ORX750 treatment in people with narcolepsy or idiopathic hypersomnia who completed the earlier ORX750 parent study.
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Diet changes to reduce sleepiness in narcolepsy and idiopathic hypersomnia
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Evaluating TAK-360 for daytime sleepiness in adults with Idiopathic Hypersomnia
This study is testing a new medication called TAK-360 to see if it can help adults with Idiopathic Hypersomnia feel less sleepy during the day.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.