New narcolepsy drug shows promise in reducing sleep attacks and muscle collapse

NCT ID NCT06358950

First seen Nov 01, 2025 · Last updated May 14, 2026 · Updated 26 times

Summary

This study tested an experimental drug called ALKS 2680 in 92 adults with narcolepsy type 1, a condition causing severe daytime sleepiness and sudden muscle weakness (cataplexy). Participants stopped their usual medications and received either ALKS 2680 or a placebo for several weeks. The goal was to see if the drug could help them stay awake longer and reduce cataplexy episodes. The trial is now complete, and results will show if ALKS 2680 is safe and effective.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Alkermes Investigational Site

    Los Angeles, California, 90025, United States

  • Alkermes Investigational Site

    Redwood City, California, 94063, United States

  • Alkermes Investigational Site

    Santa Ana, California, 92705, United States

  • Alkermes Investigational Site

    Aurora, Colorado, 80045, United States

  • Alkermes Investigational Site

    Colorado Springs, Colorado, 80918, United States

  • Alkermes Investigational Site

    Brandon, Florida, 33511, United States

  • Alkermes Investigational Site

    Miami, Florida, 33176, United States

  • Alkermes Investigational Site

    Atlanta, Georgia, 30328, United States

  • Alkermes Investigational Site

    Macon, Georgia, 31210, United States

  • Alkermes Investigational Site

    Stockbridge, Georgia, 30281, United States

  • Alkermes Investigational Site

    Middletown, New Jersey, 07748, United States

  • Alkermes Investigational Site

    Denver, North Carolina, 28037, United States

  • Alkermes Investigational Site

    Huntersville, North Carolina, 28708, United States

  • Alkermes Investigational Site

    Cincinnati, Ohio, 45227, United States

  • Alkermes Investigational Site

    Cincinnati, Ohio, 45245, United States

  • Alkermes Investigational Site

    Dublin, Ohio, 43017, United States

  • Alkermes Investigational Site

    Wyomissing, Pennsylvania, 19610, United States

  • Alkermes Investigational Site

    Columbia, South Carolina, 29201, United States

  • Alkermes Investigational Site

    Austin, Texas, 78731, United States

  • Alkermes Investigational Site

    San Antonio, Texas, 78229, United States

  • Alkermes Investigational Site

    The Woodlands, Texas, 77380, United States

  • Alkermes Investigational Site

    Alken, 3570, Belgium

  • Alkermes Investigational Site

    Bruges, 8000, Belgium

  • Alkermes Investigational Site

    Namur, 5101, Belgium

  • Alkermes Investigational Site

    Prague, 128 21, Czechia

  • Alkermes Investigational Site

    Bordeaux, 33000, France

  • Alkermes Investigational Site

    Montpellier, 34295, France

  • Alkermes Investigational Site

    Bologna, 40139, Italy

  • Alkermes Investigational Site

    Milan, 20127, Italy

  • Alkermes Investigational Site

    Verona, 37134, Italy

  • Alkermes Investigational Site

    Heemstede, 2103 SW, Netherlands

  • Alkermes Investigational Site

    Zwolle, 8025 BV, Netherlands

  • Alkermes Investigational Site

    Barcelona, 08036, Spain

  • Alkermes Investigational Site

    Madrid, 28036, Spain

  • Alkermes Investigational Site

    Madrid, 28043, Spain

  • Alkermes Investigator Site

    San Francisco, California, 94107, United States

  • Alkermes Investigator Site

    Brandon, Florida, 33511, United States

  • Alkermes Investigator Site

    Winter Park, Florida, 32789, United States

  • Alkermes Investigator Site

    Peoria, Illinois, 61637, United States

  • Alkermes Investigator Site

    Lansing, Michigan, 48911, United States

  • Alkermes Investigator Site

    Sterling Heights, Michigan, 48314, United States

  • Alkermes Investigator Site

    Lincoln, Nebraska, 68506, United States

  • Alkermes Investigator Site

    Canton, Ohio, 44718, United States

  • Alkermes Investigator Site

    Macquarie Park, New South Wales, 2113, Australia

  • Alkermes Investigator Site

    Bedford Park, South Australia, 5042, Australia

Conditions

Explore the condition pages connected to this study.