🇮🇪Ireland
16°C Partly Cloudy · Dublin
Live Updates
--:--:-- IST
Writer Login
Latest
Clinical Trials in the EU / 2025-522987-34-00
Completed Phase III

A Long-term Extension Study of the Safety and Efficacy of Cleminorexton in Participants with Narcolepsy and Idiopathic Hypersomnia Who Completed a Sponsored Cleminorexton Clinical Trial

2025-522987-34-00 · tracked via the Priya Life Science EU tracker
Sponsor
Centessa Pharmaceuticals UK Limited
Sponsor type
Pharmaceutical company
Therapeutic area
Nervous System Diseases
Decision date
12/02/2026
Enrollment target
55
Sites
France, Spain, Italy

Condition studied

Narcolepsy and Idiopathic Hypersomnia

Investigational medicinal product(s)

ORX750ORX750ORX750ORX750ORX750ORX750ORX750

Eligibility

Age group
65+ years, 18-64 years
Sex
Female, Male

Primary endpoint

Incidence, severity, and causal relationship of treatment emergent adverse events (TEAEs), including serious TEAEs, Changes from baseline in laboratory tests, including biochemistry, hematology, and urinalysis, Changes from baselinea in vital signs and weight, Changes from baseline in 12-lead electrocardiograms (ECGs), Columbia-Suicide Severity Rating Scale (C-SSRS) scores

Endpoint detail

PK: - Predose and post dose PK concentrations of Cleminorexton- Other PK parameters as appropriate, Efficacy: o Mean sleep latency (changes from baseline to specific postdose timepoints) in the MWT (average of the first 4 trials), conducted for NT1 and NT2 participants only. o Subjective daytime sleepiness (changes from baseline to specified post dose timepoints) using the ESS

Official registry record

This page summarises publicly available CTIS data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View 2025-522987-34-00 on CTIS ↗ ← All trials in the EU