RecruitingPhase 3NCT06585787

A Study to Evaluate KarXT as a Treatment for Psychosis Associated With Alzheimer's Disease (ADEPT-4)

A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Safety and Efficacy of KarXT for the Treatment of Psychosis Associated With Alzheimer's Disease


Sponsor

Karuna Therapeutics

Enrollment

406 participants

Start Date

Sep 26, 2024

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this study is to evaluate the safety and efficacy of KarXT in adult participants with mild to severe Alzheimer's Disease (AD) with moderate to severe psychosis related to AD.


Eligibility

Min Age: 55 YearsMax Age: 90 Years

Inclusion Criteria4

  • Patients who are 55 to 90 years of age, inclusive, at the time of Screening (Visit 1).
  • Patients who are diagnosed with AD based on the 2024 revised criteria for diagnosis and staging of AD: Alzheimer's Association Workgroup.
  • Patient must have a magnetic resonance imaging (MRI) or computed tomography (CT) scan of the brain (completed within the past 5 years) taken during or subsequent to the onset of dementia to rule out other central nervous system (CNS) disease that could account for the dementia syndrome, eg, major stroke, neoplasm, subdural hematoma.
  • Patient must have a history of psychotic symptoms (meeting International Psychogeriatric Association criteria) for at least 2 months prior to Screening (Visit 1) (participants may or may not have symptoms of agitation).

Exclusion Criteria4

  • \- Patients will not be able to participate if they have:
  • i) Psychotic symptoms that are primarily attributable to a condition other than the AD causing the dementia, eg, schizophrenia, schizoaffective disorder, delusional disorder, or mood disorder with psychotic features.
  • ii) History of major depressive episode with psychotic features during the 12 months prior to Screening, or history of bipolar disorder, schizophrenia, or schizoaffective disorder.
  • iii) Patients are not able to participate if they have certain safety concerns, including certain laboratory test irregularities.

Interventions

DRUGKarXT

Specified dose on specified days

DRUGPlacebo

Specified dose on specified days


Locations(278)

AZ Groeninge

Kortrijk, Belgium

Chandler Clinical Trials, LLC

Chandler, Arizona, United States

Gilbert Neurology Partners - PLLC - Avacare

Gilbert, Arizona, United States

Banner Alzheimer's Institute

Phoenix, Arizona, United States

Scottsdale Clinical Trials

Scottsdale, Arizona, United States

Advanced Research Center, Inc.

Anaheim, California, United States

Inland Psychiatric Medical Group (IPMG)-Chino

Chino, California, United States

Long Beach Research Institute, LLC

Long Beach, California, United States

Local Institution - 1233

Wellington, Florida, United States

USC - The Memory and Aging Center (MAC) - Alzheimer Disease Research Center (ADRC)

Los Angeles, California, United States

Local Institution - 1219

Los Angeles, California, United States

ATP Clinical Research-302 W La Veta Ave

Orange, California, United States

NRC Research Institute - Orange - PPDS

Orange, California, United States

SC3 Research - Pasadena - 960 E. Green St

Pasadena, California, United States

Prospective Research Innovations 8577 Haven Ave

Rancho Cucamonga, California, United States

University of Connecticut Health Center

Farmington, Connecticut, United States

Genesis Trust Research Group

Atlantis, Florida, United States

Envision Trials LLC

Bonita Springs, Florida, United States

JY Research Institute Inc

Cutler Bay, Florida, United States

Arrow Clinical Trials

Daytona Beach, Florida, United States

Quantum Laboratories, Inc - West Palm Beach Office

Deerfield Beach, Florida, United States

Integrity Clinical Research LLC - 21st Street

Doral, Florida, United States

New Life Medical Research Center -3750 W 16th Ave

Hialeah, Florida, United States

Research in Miami, Inc

Hialeah, Florida, United States

Nexus Clinical Research Center- NRC

Homestead, Florida, United States

K2 Medical Research - Lady Lake

Lady Lake, Florida, United States

Homestead Associates in Research Inc

Miami, Florida, United States

Premier Clinical Research Institute

Miami, Florida, United States

Wellness Research Center Inc - Miami

Miami, Florida, United States

A & D Doctor Center

Miami, Florida, United States

Floridian Neuroscience Institute-1901 SW 1 St

Miami, Florida, United States

Miami Jewish Health Systems

Miami, Florida, United States

MedOne Clinical Research LLC

Miami, Florida, United States

My Community Research Center, Inc - 7480 Bird Rd

Miami, Florida, United States

Future Care Solution LLC

Miami, Florida, United States

Reliant Medical Research

Miami, Florida, United States

Novel Clinical Research Center, LLC.

Miami, Florida, United States

Dade Research Center - Miami FL - 7600 SW 87th Ave

Miami, Florida, United States

US Associates in Research Inc

Miami, Florida, United States

Serenity Research Center

Miami, Florida, United States

IMIC LLC- 9380 SW 150th Str

Miami, Florida, United States

New Gen Health

Miami, Florida, United States

Floridian Research Institute- Ives Dairy Road

Miami, Florida, United States

High Quality Research

Miami, Florida, United States

New Med Research

Miami Gardens, Florida, United States

Panax Clinical Research

Miami Lakes, Florida, United States

Angels Clinical Research Institute - Miami Lakes - Palm Springs - PPDS

Miami Lakes, Florida, United States

Aqualane Clinical Research

Naples, Florida, United States

Sensible HealthCare, LLC

Ocoee, Florida, United States

Nova Psychiatry

Orlando, Florida, United States

Combined Research Orlando Phase I-IV LLC

Orlando, Florida, United States

Neurology Associates of Ormond Beach

Ormond Beach, Florida, United States

Progressive Medical Research (Duplicate)

Port Orange, Florida, United States

Cordova Research Institute- Sweetwater

Sweetwater, Florida, United States

Angels Clinical Research Institute Tampa - Palm Springs - PPDS

Tampa, Florida, United States

Guardian Angel Research

Tampa, Florida, United States

Interventional Psychiatry of Tampa Bay

Tampa, Florida, United States

Premiere Research Institute at Palm Beach Neurology, PA

West Palm Beach, Florida, United States

Agile Clinical Research Trials, LLC

Atlanta, Georgia, United States

McLean Hospital

Belmont, Massachusetts, United States

Tufts Medical Center - 800 Washington St - PPDS

Boston, Massachusetts, United States

Boston Neuro Research Center

North Dartmouth, Massachusetts, United States

Local Institution - 1250

South Dartmouth, Massachusetts, United States

Elixia Health - Springfield - Elixia - PPDS

Springfield, Massachusetts, United States

Neurobehavioral Medicine Group (NBMG)

Bloomfield Township, Michigan, United States

Precise Research Centers

Flowood, Mississippi, United States

Local Institution - 1255

St Louis, Missouri, United States

Advanced Memory Research Institute - CenExel - PPDS

Toms River, New Jersey, United States

Bio Behavioral Health

Toms River, New Jersey, United States

Local Institution - 1251

New Windsor, New York, United States

Local Institution - 1231

Syracuse, New York, United States

Local Institution - 1240

Syracuse, New York, United States

Five Towns Neurology, PC

Woodmere, New York, United States

Triad Clinical Trials - 515 College Rd

Greensboro, North Carolina, United States

AMC Research, LLC - Flourish - PPDS

Matthews, North Carolina, United States

Local Institution - 5005

Morehead City, North Carolina, United States

West Clinical Research

Morehead City, North Carolina, United States

Local Institution - 1252

Shelby, North Carolina, United States

Ohio State University

Columbus, Ohio, United States

Insight Clinical Trials LLC - Independence

Independence, Ohio, United States

The Rivus Wellness & Research Institute

Oklahoma City, Oklahoma, United States

Alzheimer's Disease and Memory Disorders Center at Rhode Island Hospital

Providence, Rhode Island, United States

Vanderbilt Psychiatric Hospital

Nashville, Tennessee, United States

Epic Medical Research LLC - DeSoto - HyperCore - PPDS

DeSoto, Texas, United States

Advanced Neuro Research Center - El Paso

El Paso, Texas, United States

AIM Trials

Plano, Texas, United States

Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases

San Antonio, Texas, United States

R & H Clinical Research-3727 Greenbriar Dr

Stafford, Texas, United States

Conquest Research - Arlington

Arlington, Virginia, United States

Local Institution - 1253

Bellevue, Washington, United States

Local Institution - 1254

Kirkland, Washington, United States

CINME S.A. - Centro de Investigaciones Metabólicas - Viamonte 2213/2215

Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina

Local Institution - 5005

Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina

Local Institution - 5001

Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina

Local Institution - 5008

Rosario, Santa Fe Province, Argentina

Local Institution - 5002

Buenos Aires, Argentina

Local Institution - 5009

Buenos Aires, Argentina

Local Institution - 5006

Buenos Aires, Argentina

Local Institution - 5003

Córdoba, Argentina

Local Institution - 5007

San Rafael, Argentina

UZ Brussel - PPDS

Jette, Brussels Capital, Belgium

AZ Delta- Campus Rumbeke

Roeselare, West-Vlaanderen, Belgium

ANIMA Research Center - PPDS

Alken, Belgium

Local Institution - 2807

Bruges, Belgium

L2 Ip - Instituto de Pesquisas Clinicas Ltda - ME

Brasília, Federal District, Brazil

CPQuali Pesquisa Clínica Sao Paulo

São Paulo, São Paulo, Brazil

BR Trials - Pesquisa Clínica

São Paulo, São Paulo, Brazil

Local Institution - 6207

São Paulo, São Paulo, Brazil

Clinilive

São Paulo, São Paulo, Brazil

Ruschel Medicina

Rio de Janeiro, Brazil

Instituto de Psiquiatria HC FMUSP

São Paulo, Brazil

Medical Center Intermedica OOD

Sofia, Sofia-Grad, Bulgaria

University Multiprofile Hospital for Active Treatment Sveti Georgi EAD-66 Peshtersko Shosse blvd

Plovdiv, Bulgaria

University Multiprofile Hospital For Active Treatment Kanev AD

Rousse, Bulgaria

Medical Center Medika 2005 - Branch Sofia

Sofia, Bulgaria

Local Institution - 4510

Sofia, Bulgaria

Local Institution - 7004

Beijing, Beijing Municipality, China

Local Institution - 7005

Beijing, Beijing Municipality, China

Local Institution - 7025

Beijing, Beijing Municipality, China

Local Institution - 7015

Chongqing, Chongqing Municipality, China

Local Institution - 7008

Guangzhou, Guangdong, China

Local Institution - 7016

Guangzhou, Guangdong, China

Local Institution - 7003

Shenzhen, Guangdong, China

The Second Affiliated Hospital of Nanjing Medical University

Nanjing, Jiangsu, China

Local Institution - 7024

Nanjing, Jiangsu, China

Local Institution - 7023

Zhenjiang, Jiangsu, China

Shanghai Mental Health Center - PPDS

Shanghai, Shanghai Municipality, China

Local Institution - 7028

Shanghai, Shanghai Municipality, China

Local Institution - 7026

Shanghai, Shanghai Municipality, China

Local Institution - 7002

Chengdu, Sichuan, China

Local Institution - 7019

Tianjin, Tianjin Municipality, China

Local Institution - 7020

Hangzhou, Zhejiang, China

Local Institution - 7021

Hangzhou, Zhejiang, China

Local Institution - 7006

Hangzhou, Zhejiang, China

Local Institution - 7027

Changsha, China

Local Institution - 7022

Kunming, China

Local Institution - 4106

Zagreb, City of Zagreb, Croatia

Polyclinic Neuron

Zagreb, City of Zagreb, Croatia

University Hospital Center Zagreb

Zagreb, City of Zagreb, Croatia

Klinika za psihijatriju Vrapce

Zagreb, City of Zagreb, Croatia

Psychiatric Clinic Sveti Ivan

Zagreb, City of Zagreb, Croatia

Institut Claude Pompidou

Nice, Alpes-Maritimes, France

CHRU de Tours - Hôpital Bretonneau

Tours, Indre-et-Loire, France

Local Institution - 2512

Toulouse, France

CHU de Toulouse- Gerontopole

Toulouse, France

Local Institution - 2407

Böblingen, Baden-Wurttemberg, Germany

Universitatsklinikum des Saarlandes

Homburg, Saarland, Germany

Local Institution - 2406

Berlin, Germany

NeuroCentrum Odenwald

Erbach im Odenwald, Germany

Universitätsklinikum Frankfurt

Frankfurt am Main, Germany

Henry Dunant Hospital Center

Athens, Attica, Greece

University General Hospital ''ATTIKON'' - General Hospital of West Attica H AGIA VARVARA

Chaidari, Athens, Attica, Greece

General Oncology Hospital of Kifissia ''Agioi Anargyroi''

Kalyftaki-N. Kifissia, Attica, Greece

PAGNI-University General Hospital of Heraklion

Heraklion, Irakleio, Greece

424 General Military Training Hospital-Outpatient Psychiatric Department

Thessaloniki, Greece

Psychotech Kft.

Pécs, Baranya, Hungary

Local Institution - 4610

Szeged, Csongrád megye, Hungary

Clinexpert Gyöngyös Kft.

Gyöngyös, Heves County, Hungary

Semmelweis Egyetem Pszichiátriai és Pszichoterápiás Klinika

Budapest, Hungary

Eszak-budai Szent Janos Centrumkorhaz

Budapest, Hungary

Central Institute of Behavioural Sciences

Nagpur, Maharashtra, India

Local Institution - 7405

Chandigarh, Punjab, India

Local Institution - 7406

Ajmer, Rajasthan, India

Asha Hospital - Hyderabad

Hyderabad, India

Institute of Neurosciences Kolkata

Kolkata, India

Local Institution - 7402

Varanasi, India

Hadassah Medical Center- Ein Kerem - PPDS

Jerusalem, Jerusalem, Israel

The Barzilai University Medical Center

Ashkelon, Tel Aviv, Israel

Rabin Medical Center - PPDS

Petah Tikva, Israel

The Chaim Sheba Medical Center - PPDS

Ramat Gan, Israel

Local Institution - 2325

Salerno, Campania, Italy

Azienda Ospedaliero-Universitaria Policlinico Umberto I - Viale del Policlinico 155

Rome, Lazio, Italy

IRCCS San Raffaele- Via di Val Cannuta 250

Rome, Lazio, Italy

IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli

Brescia, Lombardy, Italy

Auxologico IRCCS - Auxologico San Luca

Milan, Lombardy, Italy

ASL Biella - Ospedale degli Infermi

Ponderano (Biella), Piedmont, Italy

Local Institution - 2321

Rome, Roma, Italy

Azienda Ospedaliero-Universitaria Sant'Andrea

Roma, Italy

Iizuka Memorial Hospital

Iizuka, Fukuoka, Japan

Southern TOHOKU Medical Clinic

Kōriyama, Fukushima, Japan

Teine Keijinkai Hospital

Sapporo, Hokkaido, Japan

Hyogo Prefectural Harima-Himeji General Medical Center

Himeji-Shi, Hyōgo, Japan

Memory Clinic Toride

Toride-shi, Ibaraki, Japan

Kagawa Prefectural Central Hospital

Takamatsu, Kagawa-ken, Japan

Hatano Kousei Hospital

Hadano, Kanagawa, Japan

Koukan Clinic

Kawasaki-Shi, Kanagawa, Japan

Tsurumi Nishii Hospital

Yokohama, Kanagawa, Japan

Yokohama City Minato Red Cross Hospital

Yokohama, Kanagawa, Japan

Yokohama City University Hospital

Yokohama, Kanagawa, Japan

National Hospital Organization Utano National Hospital

Kyoto, Kyoto, Japan

National Hospital Organization Miechuo Medical Center

Tsu, Mie-ken, Japan

Asakayama General Hospital

Sakai, Osaka, Japan

Shin-Abuyama Hospital

Takatsuki, Osaka, Japan

Local Institution - 7510

Kanzaki-Gun Yoshinogari-Cho, Saga-ken, Japan

National Hospital Organization Saitama Hospital

Wako-Shi, Saitama, Japan

NHO Tokushima Medical Center West

Yoshinogawa, Tokushima, Japan

Tokyo Angel Hospital

Hachiōji, Tokyo, Japan

Sangenjaya Nakamura Mental Clinic

Setagaya-Ku, Tokyo, Japan

Kurumi Clinic

Setagaya-Ku, Tokyo, Japan

Tokyo Metropolitan Matsuzawa Hospital

Setagaya-Ku, Tokyo, Japan

Tokyo Metropolitan Geriatric Hospital

tabashi City, Tokyo, Japan

Local Institution - 7515

Fukuoka, Japan

Funairi nou clinic

Hiroshima, Japan

Yuge Neuropsychiatric Hospital

Kumamoto, Japan

Tsutsujimental Hospital

Tatebayashi, Japan

Centrum Medyczne HCP Szpital im. Jana Pawla II

Poznan, Greater Poland Voivodeship, Poland

Uniwersyteckie Centrum Kliniczne w Gdansku - Smoluchowskiego 17

Gdansk, Pomeranian Voivodeship, Poland

Osrodek Badan Klinicznych BD Research Sp. z o.o. - Andersa 3

Iława, Warmian-Masurian Voivodeship, Poland

Osrodek Badan Klinicznych BD Research Sp. z o.o. - Andersa 3

Iława, Warmian-Masurian Voivodeship, Poland

Local Institution - 4213

Kielce, Poland

Pro Salus Sp. z o.o.sp. k

Lodz, Poland

NZOZ NEUROMED M. I M. Nastaj Spolka Partnerska -Lublin

Lublin, Poland

Local Institution - 4216

Sochaczew, Poland

4 Wojskowy Szpital Kliniczny z Poliklinika SP ZOZ

Wroclaw, Poland

ULS do Alto Ave, EPE - Hospital da Senhora da Oliveira Guimarães

Guimarães, Braga District, Portugal

ULS de Lisboa Ocidental, EPE - Hospital Egas Moniz

Lisbon, Lisbon District, Portugal

Campus Neurológico Sénior

Torres Vedras, Lisbon District, Portugal

ULS de Matosinhos, EPE - Hospital Pedro Hispano

Matosinhos Municipality, Porto District, Portugal

ULS de Santa Maria,EPE - Hospital de Santa Maria - PPDS

Lisbon, Portugal

Local Institution - 2706

Lisbon, Portugal

Santa Cruz Behavioral PSC

Bayamón, Puerto Rico

CDT Grupo Medico San Pablo Inc.

Bayamón, Puerto Rico

Instituto De Neurologia Dra. Ivonne Fraga,Psc

San Juan, Puerto Rico

Barbara Diaz Hernandez MD Research Inc

San Juan, Puerto Rico

Local Institution - 1305

San Juan, Puerto Rico

CMI Dr. Buhas Ramocea Elena Daniela - Cabinet Medical de Psihiarie

Oradea, Bihor County, Romania

Prof Dr Alexandru Obregia Clinical Psychiatric Hospital- Centrul de Sanatate Mintala

Bucharest, Romania

Cai Ferate Clinical Hospital Constanta

Constanța, Romania

Institutul Privat de Cercetări Melchisedec pentru Boli Autoimune, Ereditare și Rare -I.P.C.M

Craiova, Romania

Local Institution - 4905

Iași, Romania

S.C. Carpe Diem SRL

Sibiu, Romania

University Clinical Center of Serbia - Dr Subotica 6 - PPDS

Belgrade, Belgrade, Serbia

Clinical Hospital Center Dragisa Misovic Dedinje

Belgrade, Serbia

Military Medical Academy

Belgrade, Serbia

Military Medical Academy

Belgrade, Serbia

Special Hospital for Psychiatric Diseases "Gornja Toponica"

Gornja Toponica, Serbia

Special Hospital for Psychiatric Diseases Kovin

Kovin, Serbia

University Clinical Center Kragujevac

Kragujevac, Serbia

Clinical Centre of Vojvodina

Novi Sad, Serbia

Univerzitna nemocnica L Pasteura Kosice-Rastislavova 43

Košice, Košice Region, Slovakia

MUDr. Beata Dupejova - Neurologicka Ambulancia s.r.o

Banská Bystrica, Slovakia

KONZILIUM s.r.o

Dubnica nad Váhom, Slovakia

EPAMED s.r.o

Košice, Slovakia

Psychiatrická nemocnica Philippa Pinela Pezinok

Pezinok, Slovakia

Crystal Comfort, s.r.o.

Vranov nad Topľou, Slovakia

Korea University Ansan Hospital

Ansan-si, Gyeonggido, South Korea

Yongin Severance Hospital, Yonsei University Health System

Yongin-si, Gyeonggido, South Korea

The Catholic University of Korea, Seoul St. Mary's Hospital

Seoul, Seoul Teugbyeolsi, South Korea

Ewha Womans University Seoul Hospital

Seoul, Seoul Teugbyeolsi, South Korea

Ewha Womans University Mokdong Hospital

Seoul, Seoul Teugbyeolsi, South Korea

The Catholic University of Korea, Yeouido St. Mary's Hospital

Yeongdeungpo-gu, Seoul Teugbyeolsi, South Korea

Hallym University Chuncheon Sacred Heart Hospital

Gangwon-do, South Korea

Seoul National University Hospital

Seoul, South Korea

Local Institution - 7219

Seoul, South Korea

Local Institution - 7203

Seoul, South Korea

Hanyang University Seoul Hospital

Seoul, South Korea

Samsung Medical Center

Seoul, South Korea

Hospital Universitario Puerta de Hierro - Majadahonda

Majadahonda, Madrid, Spain

Hospital Quironsalud Malaga

Málaga, Málaga, Spain

Hospital Universitari Santa Maria

Lleida, Spain

Hospital Clinico San Carlos

Madrid, Spain

Hospital Universitario De Salamanca

Salamanca, Spain

Hospital Victoria Eugenia

Seville, Spain

Hospital Universitario Rio Hortega

Valladolid, Spain

Local Institution - 2206

Zaragoza, Spain

Ondokuz Mayis Universitesi Tip Fakultesi Hastanesi

Atakum, Samsun, Turkey (Türkiye)

Hacettepe University Medical Faculty

Ankara, Turkey (Türkiye)

Eskisehir Osmangazi Universitesi Tip Fakultesi Hastanesi

Eskişehir, Turkey (Türkiye)

Istanbul Universitesi Istanbul Tip Fakultesi Hastanesi

Istanbul, Turkey (Türkiye)

Dokuz Eylul Universitesi Arastirma ve Uygulama Hastanesi

Izmir, Turkey (Türkiye)

IEU Medical Point Izmir Hastanesi

Izmir, Turkey (Türkiye)

Local Institution - 8001

Vinnytsia, Vinnytsia Oblast, Ukraine

Local Institution - 8003

Khmelnytskyi, Ukraine

Local Institution - 8006

Lviv, Ukraine

Local Institution - 8007

Lviv, Ukraine

Local Institution - 8004

Smila, Ukraine

Local Institution - 8005

Uzhhorod, Ukraine

Local Institution - 8002

Vinnytsia, Ukraine

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NCT06585787


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