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Narcolepsy
MONDO:0021107A sleep disorder characterized by a tendency for excessive sleepiness during the day which occurs even after adequate sleep in the nighttime. The persons who suffer from this condition experience fatigue and may fall asleep at inappropriate times during the day.
Also known as: narcolepsy with or without cataplexy, paroxysmal sleep, narcolepsy, without cataplexy
68 clinical trials for this condition and its sub-types.
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Narcolepsy drug trial halted early: what happened?
Symptom relief TerminatedThis early-stage study tested an experimental drug called MK-6552 in 9 people with narcolepsy type 1, a condition that causes sudden sleep attacks. The goal was to see if the drug was safe and could help patients stay awake during the day. The trial was stopped early, so results …
Phase: PHASE1 • Sponsor: Merck Sharp & Dohme LLC • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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New narcolepsy drug tested in tiny trial – but study halted early
Symptom relief TerminatedThis early-stage trial tested an experimental drug called JZP441 in just 6 adults with narcolepsy type 1, a condition that causes sudden daytime sleepiness. The goal was to see if the drug could help people stay awake longer, as measured by a standard sleep test. However, the stu…
Phase: PHASE1 • Sponsor: Jazz Pharmaceuticals • Aim: Symptom relief
Last updated Jun 27, 2026 12:04 UTC