Phase 2 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:
- You have been diagnosed with narcolepsy (type 1 or type 2) or a condition called idiopathic hypersomnia (a sleep disorder causing excessive daytime sleepiness), and you previously qualified for and completed the full treatment period in a related earlier study called CRYSTAL-1 (study code ORX750-0201)
- You are willing and able to follow the additional rules and requirements of this study
Who may not be able to join:
- You have developed a new illness or health condition since the earlier study that the study doctor believes would prevent you from safely continuing in this trial
- You are unable to stop taking certain medications that are not allowed in this study, including some medicines used to treat narcolepsy or idiopathic hypersomnia
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
Phone: 617-468-5770
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
Treatment Emergent Adverse Events (TEAEs) and Serious TEAEs; Abnormal Laboratory Tests; Abnormal Vital Signs; Abnormal ECG; Suicidal Ideation or Behavior
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.