Phase 3 Narcolepsy Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- Your body weight is in a healthy range for your height, with a BMI (body mass index) between 18 and 40.
- You have been officially diagnosed with Narcolepsy Type 1 (a sleep disorder that causes extreme daytime sleepiness and sudden muscle weakness) using recognised medical guidelines.
- You either carry a specific gene variant linked to narcolepsy (HLA-DQB1*06:02), or a special test of your spinal fluid has shown very low levels of a brain chemical called hypocretin-1 (confirm with trial site).
Who may not be able to join:
- You have a medical condition other than narcolepsy with cataplexy that also causes excessive daytime sleepiness.
- You have a history of heart attack, significant liver disease, thyroid disease, coronary artery disease, irregular heart rhythm, heart failure, or serious ongoing problems with your heart, lungs, kidneys, or digestive system.
- You have had a stomach or digestive condition in the last 6 months that could affect how your body absorbs medication.
- You have been diagnosed with cancer at any point in the last 5 years.
- You have a significant history of head injury or head trauma.
- You have a history of epilepsy, seizures, or convulsions (except for a single fever-related seizure during childhood).
- You have a history of stroke, a mini-stroke within the last 5 years, a brain aneurysm, or an abnormal tangle of blood vessels in the brain.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Study Director, Takeda
Phone: +1-877-825-3327
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Time to Loss of Response in the Epworth Sleepiness Scale (ESS) Score During the Up to 4-Week RW Period
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.