New drug combo aims to boost brain function in Alzheimer's patients

NCT ID NCT06976216

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial is testing whether a combination of two drugs, KarXT and KarX-EC, can improve cognitive impairment in people with mild to moderate Alzheimer's disease. About 586 participants will receive either the drug combo or a placebo. The study measures changes in memory, daily living skills, and overall function over time.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
KarXT and KarX-EC (drug combination)
What this could lead to
If successful, this could provide a new treatment option to help improve memory and thinking in people with mild to moderate Alzheimer's disease.
What could go wrong
This is an early Phase 3 trial, so results are not yet known. The drug may not work better than placebo, and there could be side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Cognitive Dysfunction dementia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • A-Shine

    RECRUITING

    Pilsen, Plzeň-město, 301 00, Czechia

  • AGE Centrum

    RECRUITING

    Olomouc, Olomouc Region, 779 00, Czechia

  • ALPHA Recherche Clinique

    RECRUITING

    Québec, G3K 2P8, Canada

  • AMC Research, LLC

    RECRUITING

    Matthews, North Carolina, 28105, United States

  • Advanced Memory Research Institute of New Jersey

    RECRUITING

    Toms River, New Jersey, 08755, United States

  • Aiginiteio University Hospital

    RECRUITING

    Athens, Attikí, 115 28, Greece

  • Alzheimer's Research and Treatment Center

    RECRUITING

    Stuart, Florida, 34996, United States

  • Anderson Clinical Research

    RECRUITING

    Redlands, California, 92374, United States

  • Ascension Alexian Brothers

    RECRUITING

    Elk Grove Village, Illinois, 60007, United States

  • Azienda Ospedaliera Spedali Civili di Brescia

    RECRUITING

    Brescia, 25123, Italy

  • Boston Center for Memory

    RECRUITING

    Newton, Massachusetts, 02459, United States

  • Center for Advanced Research & Education

    RECRUITING

    Gainesville, Georgia, 30501, United States

  • Centricity Research Halifax Multispecialty

    RECRUITING

    Halifax, Nova Scotia, B3S 1N2, Canada

  • Centrul de Sanatate Mintala

    RECRUITING

    Bucharest, 040874, Romania

  • Centrum Badan Klinicznych PI-House sp. z o.o.

    RECRUITING

    Gdansk, Pomeranian Voivodeship, 80-546, Poland

  • Centrum Medyczne HCP

    RECRUITING

    Poznan, Greater Poland Voivodeship, 61-485, Poland

  • Charite-Universitaetsmedizin Berlin - Campus Benjamin Franklin (CBF)

    RECRUITING

    Berlin, State of Berlin, 12203, Germany

  • Charter Research - Lady Lake

    RECRUITING

    The Villages, Florida, 32162, United States

  • Chonnam National University Hospital

    RECRUITING

    Gwangju, Kwangju-Kwangyǒkshi, 61469, South Korea

  • Clinica Universidad de Navarra

    RECRUITING

    Pamplona, Navarre, 31008, Spain

  • Diex Recherche Victoriaville

    RECRUITING

    Victoriaville, Quebec, G6P 3Z8, Canada

  • Ewha Womans University Seoul Hospital

    RECRUITING

    Seoul, Seoul-teukbyeolsi [Seoul], 07804, South Korea

  • Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico

    RECRUITING

    Milan, Lombardy, 20122, Italy

  • Fondazione IRCCS San Gerardo dei Tintori

    RECRUITING

    Monza, Lombardy, 20900, Italy

  • Fundación Lennox - Instituto Modelo de Neurología

    RECRUITING

    Córdoba, 5000, Argentina

  • Fundación para el Estudio y Tratamiento de Enfermedades Mentales (FETEM)

    RECRUITING

    Buenos Aires, Buenos Aires F.D., 1133, Argentina

  • Gadolin Research

    RECRUITING

    Beaumont, Texas, 77702, United States

  • Georgetown University Medical Center

    RECRUITING

    Washington D.C., District of Columbia, 20007, United States

  • Hanyang University Seoul Hospital

    RECRUITING

    Seoul, Seoul-teukbyeolsi [Seoul], 04763, South Korea

  • HealthPartners Neuroscience Center

    RECRUITING

    Saint Paul, Minnesota, 55130, United States

  • Healthy Brain Clinic

    RECRUITING

    Long Beach, California, 90804, United States

  • Hospital Clinico San Carlos

    RECRUITING

    Madrid, 28040, Spain

  • Hospital Clínic de Barcelona

    RECRUITING

    Barcelona, Catalunya [Cataluña], 08036, Spain

  • Hospital Universitari General de Catalunya

    RECRUITING

    Sant Cugat del Vallès, Barcelona [Barcelona], 08915, Spain

  • Hospital Universitari de Santa Maria

    RECRUITING

    Lleida, Lleida [Lérida], 25198, Spain

  • Hospital Victoria Eugenia

    RECRUITING

    Seville, Andalusia, 41009, Spain

  • Hospital das Clinicas FMUSP

    RECRUITING

    São Paulo, 05403-000, Brazil

  • Instituto De Neurologia Dra. Ivonne Fraga

    RECRUITING

    San Juan, 00918, Puerto Rico

  • Instituto Kremer

    RECRUITING

    Córdoba, X5004AOA, Argentina

  • Instituto de Neurologia de Curitiba

    RECRUITING

    Curitiba, Paraná, 81210310, Brazil

  • Institutul Național de Gerontologie și Geriatrie "Ana Aslan"

    RECRUITING

    Bucharest, 011241, Romania

  • Institutul de Psihiatrie Socola

    RECRUITING

    Iași, 700282, Romania

  • JEM Research Institute

    RECRUITING

    Atlantis, Florida, 33462, United States

  • KARA Institute for Neurological Diseases

    RECRUITING

    Macquarie Park, New South Wales, 2113, Australia

  • Klinika za psihijatriju "Vrapče"

    RECRUITING

    Zagreb, 10090, Croatia

  • Konkuk University Medical Center

    RECRUITING

    Seoul, Seoul-teukbyeolsi [Seoul], 05030, South Korea

  • Local Institution - 0004

    WITHDRAWN

    Abington, Pennsylvania, 19001, United States

  • Local Institution - 0016

    WITHDRAWN

    Columbus, Georgia, 31909, United States

  • Local Institution - 0089

    NOT_YET_RECRUITING

    Santiago, Santiago Metropolitan, 7560356, Chile

  • Local Institution - 0094

    NOT_YET_RECRUITING

    Santiago, Santiago Metropolitan, 7500710, Chile

  • Local Institution - 0168

    NOT_YET_RECRUITING

    Brasília, Federal District, 70200730, Brazil

  • Local Institution - 0215

    NOT_YET_RECRUITING

    Zagreb, City of Zagreb, 10000, Croatia

  • Local Institution - 0222

    ACTIVE_NOT_RECRUITING

    Prague, Praha 8, 18600, Czechia

  • Local Institution - 0224

    ACTIVE_NOT_RECRUITING

    Prague, Praha 6, 160 00, Czechia

  • Local Institution - 0230

    NOT_YET_RECRUITING

    Antofagasta, 1270244, Chile

  • Local Institution - 0241

    NOT_YET_RECRUITING

    Santiago, Santiago Metropolitan, 8380420, Chile

  • Local Institution - 0256

    WITHDRAWN

    Athens, Attikí, 115 25, Greece

  • Local Institution - 0259

    ACTIVE_NOT_RECRUITING

    New York, New York, 10029, United States

  • Local Institution - 0266

    NOT_YET_RECRUITING

    Aracaju, Sergipe, 49075-000, Brazil

  • Local Institution - 0271

    NOT_YET_RECRUITING

    Buenos Aires, 1280, Argentina

  • Local Institution - 0275

    WITHDRAWN

    Hamburg, 20246, Germany

  • Local Institution - 0277

    WITHDRAWN

    Bremen, 28325, Germany

  • Local Institution - 0282

    NOT_YET_RECRUITING

    Hyderabad, Telangana, 500034, India

  • Local Institution - 0285

    NOT_YET_RECRUITING

    Hyderabad, Telangana, 500082, India

  • Local Institution - 0286

    NOT_YET_RECRUITING

    Kolkata, West Bengal, 700054, India

  • Local Institution - 0287

    NOT_YET_RECRUITING

    Varanasi, Uttar Pradesh, 221005, India

  • Local Institution - 0288

    NOT_YET_RECRUITING

    Bengaluru, Karnataka, 560029, India

  • Local Institution - 0289

    NOT_YET_RECRUITING

    Toulouse, Haute-Garonne, 31000, France

  • Local Institution - 0290

    NOT_YET_RECRUITING

    Rouen, Haute-Normandie, 76031, France

  • Local Institution - 0291

    NOT_YET_RECRUITING

    Montpellier, Languedoc-Roussillon, 34295, France

  • Local Institution - 0293

    NOT_YET_RECRUITING

    Villeurbanne, Rhône, 69100, France

  • Local Institution - 0294

    NOT_YET_RECRUITING

    Dijon, 21079, France

  • Local Institution - 0295

    NOT_YET_RECRUITING

    Nice, Alpes-Maritimes, 06100, France

  • Local Institution - 0296

    NOT_YET_RECRUITING

    's-Hertogenbosch, North Brabant, 5223 LA, Netherlands

  • Local Institution - 0297

    NOT_YET_RECRUITING

    Amsterdam, North Holland, 1081 GN, Netherlands

  • Local Institution - 0298

    NOT_YET_RECRUITING

    Zwolle, Overijssel, 8025 AZ, Netherlands

  • Local Institution - 0299

    NOT_YET_RECRUITING

    Reims, Marne, 51092, France

  • Merritt Island Medical Research, LLC

    RECRUITING

    Merritt Island, Florida, 32952, United States

  • MlynowaMed Psychiatric

    RECRUITING

    Bialystok, Podlaskie Voivodeship, 15-404, Poland

  • MoCA Research and Innovation Inc.

    RECRUITING

    Greenfield Park, Quebec, J4V 2J2, Canada

  • Mountain Neurological Research Center

    RECRUITING

    Basalt, Colorado, 81621, United States

  • NDx Clinical Research Inc.

    RECRUITING

    Dayton, Ohio, 45459, United States

  • NYU Langone Health

    RECRUITING

    New York, New York, 10016, United States

  • Neuro Health Centrum

    RECRUITING

    Brno, Brno-město, 628 00, Czechia

  • NeuroCentrix

    RECRUITING

    Carlton, Victoria, 3053, Australia

  • Neurodegenerative Disorders Research

    RECRUITING

    Perth, Western Australia, 6005, Australia

  • Neurology Clinic, P.C.

    RECRUITING

    Cordova, Tennessee, 38018, United States

  • Neuropsychiatrie

    RECRUITING

    Prague, Praha 6, 160 00, Czechia

  • OCT Research ULC

    RECRUITING

    Kelowna, British Columbia, V1Y 1Z9, Canada

  • Ohio State University

    RECRUITING

    Columbus, Ohio, 43221, United States

  • Ospedale San Raffaele

    RECRUITING

    Milan, Lombardy, 20132, Italy

  • Osrodek Badan Klinicznych CLINSANTE S.C.

    RECRUITING

    Torun, Kuyavian-Pomeranian Voivodeship, 87-100, Poland

  • Ottawa Memory Clinic

    RECRUITING

    Ottawa, Ontario, K1Z 1G3, Canada

  • Poliklinika Neuron

    RECRUITING

    Zagreb, City of Zagreb, 10000, Croatia

  • Prof. Dr. Alexandru Obregia Psychiatry Hospital

    RECRUITING

    Bucharest, Bucharest, 041914, Romania

  • Prof. Dr. Alexandru Obregia Psychiatry Hospital

    RECRUITING

    Bucharest, Bucharest, 041914, Romania

  • Re:Cognition Health - Chicago

    RECRUITING

    Chicago, Illinois, 60611, United States

  • Renstar Medical Research

    RECRUITING

    Ocala, Florida, 34470, United States

  • Rhode Island Mood & Memory Research Institute

    RECRUITING

    East Providence, Rhode Island, 02914, United States

  • Richmond Clinical Trials

    RECRUITING

    Richmond, British Columbia, V6V 2L1, Canada

  • SUNY Upstate Medical University

    RECRUITING

    Syracuse, New York, 13210, United States

  • Samsung Medical Center

    RECRUITING

    Seoul, Seoul-teukbyeolsi [Seoul], 06351, South Korea

  • Sanatorio Morra S.A.

    RECRUITING

    Córdoba, 5000, Argentina

  • Seoul National University Bundang Hospital

    RECRUITING

    Seongnam, Kyǒnggi-do, 13620, South Korea

  • Seoul National University Hospital

    RECRUITING

    Seoul, Seoul-teukbyeolsi [Seoul], 03080, South Korea

  • Southern Neurology

    RECRUITING

    Kogarah, New South Wales, 2217, Australia

  • St Vincent's Hospital Sydney Limited

    RECRUITING

    Darlinghurst, 2010, Australia

  • Summit Headlands

    RECRUITING

    Portland, Oregon, 97210, United States

  • TUM Klinikum

    RECRUITING

    Munich, 81675, Germany

  • Toronto Memory Program

    RECRUITING

    Toronto, Ontario, M3B 2S7, Canada

  • University General Hospital of Alexandroupoli

    RECRUITING

    Alexandroupoli, Anatolikí Makedonía Kai Thráki, 681 00, Greece

  • University General Hospital of Larissa

    RECRUITING

    Larissa, Thessalía, 41110, Greece

  • Universitätsklinikum Münster - Albert Schweitzer Campus

    RECRUITING

    Münster, North Rhine-Westphalia, 48149, Germany

  • Universitätsmedizin Johannes Gutenberg Universität Mainz

    RECRUITING

    Mainz, Rhineland-Palatinate, 55131, Germany

  • VIN-Julie Schwartzbard

    RECRUITING

    Aventura, Florida, 33180, United States

  • Vestra Clinics

    RECRUITING

    Rychnov nad Kněžnou, 516 01, Czechia

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