A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-65
SponsorCentessa Pharmaceuticals (UK) Limited

About this trial

This study is a long-term extension (LTE) of the parent Study ORX750 0201, and will provide long-term open-label safety, tolerability, and efficacy of ORX750 in participants with narcolepsy type 1 (NT1), narcolepsy type 2 (NT2), and idiopathic hypersomnia (IH).

Eligibility criteria

Qualifiers

Diagnosis of narcolepsy (NT1 or NT2) or IH who was eligible for and completed the full treatment period in the eligible parent study ORX750-0201 (CRYSTAL-1)

Is willing and able to adhere to additional protocol requirements

Disqualifiers

Development of any new disease/disorder that in the opinion of the investigator would make the participant unable to continue the study

Unable to refrain from excluded medications, including those used for treatment of narcolepsy or idiopathic hypersomnia

Trial design

Treatments tested in this trial

  • ORX750
  • ORX750
  • ORX750

Treatment groups

90 Participants
are divided into 3 treatment groups