New drug trial targets dual brain proteins to slow lewy body dementia

NCT ID NCT07589595

First seen May 16, 2026 · Last updated May 16, 2026

Summary

This study tests whether the drug donanemab can slow down worsening of thinking and daily living skills in people with early cognitive decline who also have signs of Lewy body dementia and Alzheimer's-related brain changes. About 350 participants will receive either donanemab or a placebo for 1.5 years. The goal is to see if the drug helps preserve memory and function.

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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

Study contacts

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Locations

  • Axiom Brain Health LLC

    Tampa, Florida, 33609, United States

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  • BRP-Kendal Lakes

    Miami, Florida, 33175, United States

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  • Brain Matters Research

    Delray Beach, Florida, 33445, United States

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  • CenExel Rocky Mountain Clinical Research

    Englewood, Colorado, 80113, United States

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  • Central Texas Neurology Consultants

    Round Rock, Texas, 78681, United States

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  • Chang Gung Medical Foundation-Linkou Branch

    Taoyuan, 333, Taiwan

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  • Charter Research - Orlando

    Orlando, Florida, 32803, United States

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  • Citizens Memorial Hospital District

    Bolivar, Missouri, 65613, United States

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  • Conquest Research

    Winter Park, Florida, 32789, United States

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  • EvergreenHealth

    Kirkland, Washington, 98034, United States

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  • Ewha Womans University Mokdong Hospital

    Seoul, 07985, South Korea

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  • Gadolin Research

    Beaumont, Texas, 77702, United States

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  • Gangnam Severance Hospital, Yonsei University Health System

    Gangnam-gu, 06273, South Korea

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  • Hanyang University Seoul Hospital

    Seoul, 04763, South Korea

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  • Headlands Eastern MA LLC

    Plymouth, Massachusetts, 02360, United States

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  • HonorHealth Research Institute

    Scottsdale, Arizona, 85258, United States

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  • Houston Methodist Hospital

    Houston, Texas, 77030, United States

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  • Hyogo Prefectural Harima-Himeji General Medical Center

    Himeji, 670-8560, Japan

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  • Inage Neurology and Memory Clinic

    Inage, 263-0043, Japan

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  • Indiana University Health Neuroscience Center

    Indianapolis, Indiana, 46202, United States

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  • Inha University Hospital

    Incheon, 22332, South Korea

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  • Irvine Clinical Research

    Irvine, California, 92614, United States

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  • JEM Research Institute

    Atlantis, Florida, 33462, United States

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  • Juntendo Tokyo Koto Geriatric Medical Center

    Kōtoku, 136-0075, Japan

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  • K2 Medical Research - East Providence

    East Providence, Rhode Island, 02914, United States

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  • K2 Medical Research ORLANDO

    Maitland, Florida, 32751, United States

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  • Katayama Medical Clinic

    Kurashiki, 710-0813, Japan

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  • Kerwin Medical Center

    Dallas, Texas, 75231, United States

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  • Ki Health Partners, LLc, dba New England Institute for Clinical Research

    Stamford, Connecticut, 06905, United States

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  • Kobe University Hospital

    Kobe, 650-0017, Japan

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  • Konkuk University Medical Center

    Seoul, 05030, South Korea

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  • Massachusetts General Hospital - Charlestown

    Charlestown, Massachusetts, 02129, United States

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  • Mayo Clinic in Florida

    Jacksonville, Florida, 32224, United States

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  • Mayo Clinic in Rochester, Minnesota

    Rochester, Minnesota, 55905, United States

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  • Memory Clinic Ochanomizu

    Bunkyō City, 113-0034, Japan

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  • Memory Clinic Toride

    Toride, 302-0004, Japan

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  • Nagoya University Hospital

    Nagoya, 466-8560, Japan

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  • National Center for Geriatrics and Gerontology

    Ōbu, 474-8511, Japan

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  • National Cheng Kung University Hospital

    Tainan, 704, Taiwan

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  • National Taiwan University Hospital

    Taipei, 10002, Taiwan

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  • Neurology Center of New England

    Foxborough, Massachusetts, 02035, United States

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  • Neuropsychiatric Research Center of Southwest Florida

    Fort Myers, Florida, 33912, United States

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  • New Taipei Municipal TuCheng Hospital

    New Taipei City, 236, Taiwan

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  • Nippon Medical School Musashi Kosugi Hospital

    Kawasaki, 211-8533, Japan

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  • Norman Fixel Institute for Neurological Diseases (FIND)

    Gainesville, Florida, 32608, United States

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  • Oita University Hospital

    Yufu, 879-5593, Japan

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  • Oregon Health and Science University

    Portland, Oregon, 97239, United States

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  • Palm Beach Neurology

    West Palm Beach, Florida, 33407, United States

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  • Pennsylvania Hospital

    Philadelphia, Pennsylvania, 19107, United States

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  • Profound Research LLC

    Carlsbad, California, 92011, United States

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  • QUEST Research Institute

    Farmington Hills, Michigan, 48334, United States

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  • Re:Cognition Health

    Fairfax, Virginia, 22031, United States

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  • Renstar Medical Research

    Ocala, Florida, 34471, United States

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  • Severance Hospital, Yonsei University Health System

    Seoul, 03722, South Korea

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  • Shonan Keiiku Hospital

    Fujisawa, 252-0816, Japan

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  • St. Marianna University Hospital

    Kawasaki, 216-8511, Japan

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  • Stanford Neuroscience Health Center

    Palo Alto, California, 94304, United States

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  • Struthers Parkinson's Center

    Golden Valley, Minnesota, 55427, United States

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  • Summit Headlands

    Portland, Oregon, 97210, United States

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  • Tachikawa Hospital

    Tachikawa, 190-8531, Japan

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  • Taipei Medical University Shuang Ho Hospital

    New Taipei City, 235, Taiwan

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  • Taipei Veterans General Hospital

    Taipei, 11217, Taiwan

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  • The University of Kansas - Clinical Research Center

    Fairway, Kansas, 66205, United States

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  • The University of Texas Health Science Center

    San Antonio, Texas, 78229, United States

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  • The University of Texas Health Science Center at Houston

    Houston, Texas, 77054, United States

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  • Tokyo Metropolitan Institute for Geriatrics and Gerontology

    tabashi City, 173-0015, Japan

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  • TrialSphere Corp

    Chandler, Arizona, 85286, United States

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  • UCSD - Altman Clinical and Translational Research Institute (ACTRI)

    La Jolla, California, 92037, United States

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  • VIN - Aventura

    Aventura, Florida, 33180, United States

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  • Yokohama Minami Kyosai Hospital

    Yokohama, 236-0037, Japan

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Conditions

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