New pill aims to keep narcolepsy patients awake and steady

NCT ID NCT07540364

First seen May 01, 2026 · Last updated May 14, 2026 · Updated 2 times

Summary

This study tests a drug called samelisant in 240 adults with narcolepsy (with or without sudden muscle weakness). The goal is to see if it reduces severe daytime sleepiness and weekly episodes of cataplexy over 12 weeks. Participants will be randomly assigned to receive either samelisant or a placebo, and will complete sleepiness questionnaires and alertness tests.

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