Clinical trial • Phase III • Psychiatry
TROSPIUM CHLORIDE; XANOMELINE TARTRATE for Alzheimer's disease (mild to moderate)
Phase III trial of TROSPIUM CHLORIDE; XANOMELINE TARTRATE for Alzheimer's disease (mild to moderate).
Overview
- Trial Therapeutic Area
- Psychiatry
- Trial Disease
- Alzheimer's disease (mild to moderate)
- Trial Stage
- Phase III
- Drug Modality
- Small molecule
Key dates
- Initial CTIS Submission Date
- 30-06-2025
- First CTIS Authorization Date
- 21-10-2025
Trial design
Randomised, karxt matching placebo; karx-ec matching placebo (doses and schedules not specified in the record).-controlled Phase III trial in Croatia, Czechia, Germany and others.
- Randomised
- Yes
- Comparator
- KarXT matching placebo; KarX-EC matching placebo (doses and schedules not specified in the record).
- Target Sample Size
- 361
- Trial Duration For Participant
- 168
Eligibility
Recruits 361 Vulnerable population selected: participants are older adults with mild to moderate Alzheimer's disease (cognitive impairment). A designated caregiver/study partner is required (maintain ~10 hours/week contact, attend study visits, report on condition, oversee medication and assist with administration). Assent and study-partner/study-partner/caregiver information and consent documents are provided (multiple country-specific forms and assent/study partner documents listed in the filing)..
- Vulnerable Population
- Vulnerable population selected: participants are older adults with mild to moderate Alzheimer's disease (cognitive impairment). A designated caregiver/study partner is required (maintain ~10 hours/week contact, attend study visits, report on condition, oversee medication and assist with administration). Assent and study-partner/study-partner/caregiver information and consent documents are provided (multiple country-specific forms and assent/study partner documents listed in the filing).
Inclusion criteria
- {"criterion_text":"- Males and females aged between 60 and 85 years."}
- {"criterion_text":"- Participants must have an MMSE score ranging from 12 through 22, inclusive, at the time of screening."}
- {"criterion_text":"- Participants are required to have a designated caregiver who maintains adequate contact (around 10 hours per week or more) and is willing to attend all study visits. The caregiver must also be responsible for reporting on the participant's condition, overseeing medication and study procedure compliance, and assisting with medication administration."}
- {"criterion_text":"- Participants on AChEIs and/or memantine, must have been on a stable dosage for at least 12 weeks prior to screening, and agree to maintain this stable dose for the study duration."}
Exclusion criteria
- {"criterion_text":"- Participants with any significant or severe medical conditions that could compromise their safety, the ability to comply with or complete the study, or the integrity of the study results. This includes any grade of hepatic impairment."}
- {"criterion_text":"- Participants with primary psychiatric diagnoses such as major depression, schizoaffective disorder, or bipolar disorder, and to those with severe psychiatric symptoms that could complicate the interpretation of treatment effects, impair cognitive assessment, or impact study completion."}
- {"criterion_text":"- Participants with a history of schizophrenia or other chronic psychosis, as well as those who have previously been exposed to KarXT or are currently undergoing treatment with disease-modifying anti-amyloid therapies for AD within the past 6 months prior to screening."}
- {"criterion_text":"- Participants with significant pathological findings on brain MRI at screening that could affect safety or interfere with study procedures."}
Endpoints
Primary endpoints
- {"endpoint_text":"- Change from baseline in ADAS-Cog11 at Week 24","definition_or_measurement_approach":"Change from baseline in ADAS-Cog11 measured at Week 24 (as stated)."}
- {"endpoint_text":"- CIBIC+ at Week 24","definition_or_measurement_approach":"Not specified in the record (endpoint given as 'CIBIC+ at Week 24')."}
Secondary endpoints
- {"endpoint_text":"- Change from baseline in ADCS-ADL at Week 24","definition_or_measurement_approach":"Change from baseline in ADCS-ADL measured at Week 24 (as stated)."}
- {"endpoint_text":"- Change from baseline in NPI total score at Week 24","definition_or_measurement_approach":"Change from baseline in NPI total score measured at Week 24 (as stated)."}
- {"endpoint_text":"- Occurence of AEs and SAEs, AESIs, AEs leading to study intervention discontinuation, AEs leading to study discontinuation, and AEs leading to death through Week 24","definition_or_measurement_approach":"Safety events (AEs/SAEs/AESIs and related discontinuations/deaths) tracked through Week 24 (as stated)."}
- {"endpoint_text":"- Incidence and severity of clinically significant changes in vital signs, ECG, C-SSRS, weight, and safety laboratory tests through Week 24","definition_or_measurement_approach":"Incidence and severity of clinically significant changes in listed safety measures recorded through Week 24 (as stated)."}
Recruitment
- Planned Sample Size
- 361
- Recruitment Window Months
- 44
- Consent Approach
- Informed consent materials (SIS and ICF) are provided for participants; study partner/caregiver information and consent forms are available; assent forms are available (country-specific assent documents listed). Multiple language/site-specific informed consent and assent documents are included (examples in German, Croatian, Czech, Polish, Greek, Spanish, Romanian, Italian, English and others). The study requires a designated caregiver/study partner to participate in reporting and support; participant consent supplemented by study partner/caregiver documentation and assent where applicable.
Geography
- Total Number Of Sites
- 45
- Total Number Of Participants
- 225
Croatia
- Earliest CTIS Part Ii Submission Date
- 22-09-2025
- Latest Decision Or Authorization Date
- 24-10-2025
- Processing Time Days
- 32
- Number Of Sites
- 5
- Number Of Participants
- 24
Sites
- Site Name
- Clinical Hospital Centre Rijeka
- Department Name
- Klinika za neurologiju
- Contact Person Name
- Vladimira Vuletić
- Contact Person Email
- vladimira.vuletic@gmail.com
- Site Name
- Klinika za psihijatriju Vrapce
- Department Name
- Zavod za biologijsku psihijatriju i psihogerijatriju
- Contact Person Name
- Ninoslav Mimica
- Contact Person Email
- bolnica@bolnica-vrapce.hr
- Site Name
- Poliklinika Neuron
- Department Name
- Psihijatrija
- Contact Person Name
- Neven Henigsberg
- Contact Person Email
- neven.henigsberg@zg.ht.hr
- Site Name
- Klinicki Bolnicki Centar Osijek
- Department Name
- Klinika za neurologiju
- Contact Person Name
- Ivanka Štenc Bradvica
- Contact Person Email
- ivanka.stenc@vip.hr
- Site Name
- KBC Zagreb
- Department Name
- Klinika za neurologiju
- Contact Person Name
- Nataša Klepac
- Contact Person Email
- natasaklepac@gmail.com
Czechia
- Earliest CTIS Part Ii Submission Date
- 04-09-2025
- Latest Decision Or Authorization Date
- 22-10-2025
- Processing Time Days
- 48
- Number Of Sites
- 8
- Number Of Participants
- 45
Sites
- Site Name
- Neuro Health Centrum s.r.o.
- Contact Person Name
- Katerina Sheardova
- Contact Person Email
- nhctrials@gmail.com
- Site Name
- INEP medical s.r.o.
- Contact Person Name
- Alexander Nawka
- Contact Person Email
- clinicaltrials@inep.cz
- Site Name
- Vestra Clinics s.r.o.
- Contact Person Name
- Ladislav Pazdera
- Contact Person Email
- pazdera@vestraclinics.org
- Site Name
- A-Shine s.r.o.
- Contact Person Name
- Lubos Janu
- Contact Person Email
- lubos.janu@seznam.cz
- Site Name
- AGE Centrum s.r.o.
- Contact Person Name
- Dagmar Malotova
- Contact Person Email
- malotova@ctcenter.cz
- Site Name
- Forbeli s.r.o.
- Contact Person Name
- Michal Bajacek
- Contact Person Email
- mbajacek@yahoo.co.uk
- Site Name
- Neuropsychiatrie s.r.o.
- Contact Person Name
- Jakub Hort
- Contact Person Email
- jakub.hort@gmail.com
- Site Name
- A further NA site listed in Czechia block
Germany
- Earliest CTIS Part Ii Submission Date
- 18-09-2025
- Latest Decision Or Authorization Date
- 21-10-2025
- Processing Time Days
- 33
- Number Of Sites
- 6
- Number Of Participants
- 30
Sites
- Site Name
- Klinikum der Technischen Universitaet Muenchen (TUM Klinikum)
- Department Name
- Zentrum für kognitive Störungen
- Contact Person Name
- Timo Grimmer
- Contact Person Email
- t.grimmer@tum.de
- Site Name
- University Medical Center Hamburg-Eppendorf
- Department Name
- Klinik und Poliklinik für Neurologie
- Contact Person Name
- Goetz Thomalla
- Contact Person Email
- thomalla@uke.de
- Site Name
- Charite Universitaetsmedizin Berlin KöR
- Department Name
- Klinik für Psychiatrie und Psychotherapie
- Contact Person Name
- Julian Hellmann-Regen
- Contact Person Email
- julian.hellmann@charite.de
- Site Name
- Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
- Department Name
- Klinik für Psychatrie und Psychotherapie
- Contact Person Name
- Susanne Englisch
- Contact Person Email
- Susanne.Englisch@unimedizin-mainz.de
- Site Name
- Universitaet Muenster
- Department Name
- Klinik für Neurologie mit Institut für Translationale Neurologie
- Contact Person Name
- Matthias Pawlowski
- Contact Person Email
- Matthias.Pawlowski@ukmuenster.de
- Site Name
- Gesundheit Nord gGmbH Klinikverbund Bremen
- Department Name
- Klinik für Neurologie
- Contact Person Name
- Thomas Duning
- Contact Person Email
- Thomas.duning@gesundheitnord.de
Greece
- Earliest CTIS Part Ii Submission Date
- 07-08-2025
- Latest Decision Or Authorization Date
- 22-10-2025
- Processing Time Days
- 77
- Number Of Sites
- 5
- Number Of Participants
- 32
Sites
- Site Name
- General University Hospital Of Larissa
- Department Name
- Department of Neurology
- Contact Person Name
- Efthimios Dardiotis
- Contact Person Email
- edar@med.uth.gr
- Site Name
- Eginitio Hospital
- Department Name
- A’ Department of Neurology
- Contact Person Name
- Nikolaos Scarmeas
- Contact Person Email
- ns257@columbia.edu
- Site Name
- 401 General Military Hospital Of Athens
- Department Name
- Department of Neurology
- Contact Person Name
- Nikolaos Fakas
- Contact Person Email
- drfakas@gmail.com
- Site Name
- University General Hospital Of Alexandroupoli
- Department Name
- Department of Neurology
- Contact Person Name
- Konstantinos Vadikolias
- Contact Person Email
- kvadikol@med.duth.gr
- Site Name
- University General Hospital Of Thessaloniki Ahepa
- Department Name
- B’ Department of Neurology
- Contact Person Name
- Nikolaos Grigoriadis
- Contact Person Email
- grigoria@med.auth.gr
Italy
- Earliest CTIS Part Ii Submission Date
- 11-07-2025
- Latest Decision Or Authorization Date
- 23-10-2025
- Processing Time Days
- 104
- Number Of Sites
- 4
- Number Of Participants
- 15
Sites
- Site Name
- Azienda Socio Sanitaria Territoriale Degli Spedali Civili Di Brescia
- Department Name
- Neurology
- Contact Person Name
- Salvatore Caratozzolo
- Contact Person Email
- salvatore.caratozzolo@hotmail.com
- Site Name
- Azienda Ospedaliera S Gerardo Di Monza Laboratorio Per La Terapia Cellulare E Genica Stefano Verri
- Department Name
- Neurology
- Contact Person Name
- Fulvio Da Re
- Contact Person Email
- dare.fulvio@gmail.com
- Site Name
- Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
- Department Name
- Neurology
- Contact Person Name
- Andrea Arighi
- Contact Person Email
- andrea.arighi@policlinico.mi.it
- Site Name
- Ospedale San Raffaele S.r.l.
- Department Name
- Neurology
- Contact Person Name
- Massimo Filippi
- Contact Person Email
- filippi.massimo@hsr.it
Romania
- Earliest CTIS Part Ii Submission Date
- 11-09-2025
- Latest Decision Or Authorization Date
- 27-10-2025
- Processing Time Days
- 46
- Number Of Sites
- 6
- Number Of Participants
- 25
Sites
- Site Name
- Institutul Național de Gerontologie și Geriatrie "Ana Aslan"
- Department Name
- Psychiatry
- Contact Person Name
- Traian Purnichi
- Contact Person Email
- traian.purnichi@gmail.com
- Site Name
- Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
- Department Name
- Psychiatry
- Contact Person Name
- Laura Cristina Dolis
- Contact Person Email
- drcristinadolis@gmail.com
- Site Name
- Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
- Department Name
- Psychiatry
- Contact Person Name
- Mihaela Cleopatra Rosca
- Contact Person Email
- mihaelarosca@gmail.com
- Site Name
- Institutul De Psihiatrie Socola Iasi
- Department Name
- Psychiatry
- Contact Person Name
- Cristinel Stefanescu
- Contact Person Email
- cristinel.stefanescu@gmail.com
- Site Name
- Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
- Department Name
- Psychiatry
- Contact Person Name
- Corina Mihaela Nicolae
- Contact Person Email
- corina_panzaru@yahoo.com
- Site Name
- A further listed Romanian site
Spain
- Earliest CTIS Part Ii Submission Date
- 10-10-2025
- Latest Decision Or Authorization Date
- 23-10-2025
- Processing Time Days
- 13
- Number Of Sites
- 6
- Number Of Participants
- 34
Sites
- Site Name
- Hospital Universitari De Santa Maria
- Department Name
- Cognitive Impairment Unit
- Contact Person Name
- Gerard Piñol
- Contact Person Email
- gpinol@gss.cat
- Site Name
- Hospital Universitari General De Catalunya
- Contact Person Name
- Alexander Nawka
- Contact Person Email
- clinicaltrials@inep.cz
- Site Name
- Hospital Victoria Eugenia De La Cruz Roja Espanola
- Department Name
- UNIDAD DE NEUROCIENCIAS
- Contact Person Name
- Felix Viñuela Fernandez
- Contact Person Email
- felix.vinuela@institutoneurologicoandaluz.es
- Site Name
- Hospital Clinico San Carlos
- Department Name
- Neurology
- Contact Person Name
- Jordi Matias-Guiu
- Contact Person Email
- jordi.matias-guiu@salud.madrid.org
- Site Name
- Hospital Clinic De Barcelona
- Department Name
- Alzheimer's disease and other cognitive disorders unit
- Contact Person Name
- Albert Llado Plarrumani
- Contact Person Email
- allado@clinic.cat
- Site Name
- Clinica Universidad De Navarra
- Department Name
- Neurology
- Contact Person Name
- Mario Riverol Fernández
- Contact Person Email
- mriverol@unav.es
Poland
- Earliest CTIS Part Ii Submission Date
- 18-09-2025
- Latest Decision Or Authorization Date
- 26-10-2025
- Processing Time Days
- 38
- Number Of Sites
- 5
- Number Of Participants
- 20
Sites
- Site Name
- Centrum Badan Klinicznych Pi-House Sp. z o.o.
- Department Name
- -
- Contact Person Name
- Katarzyna Binkowska Michalik
- Contact Person Email
- k.binkmich@pihouse.pl
- Site Name
- Centrum Medyczne Hcp Sp. z o.o.
- Department Name
- -
- Contact Person Name
- Przemyslaw Osip
- Contact Person Email
- przemyslaw.osip@cmhcp.pl
- Site Name
- Osrodek Badan Klinicznych Clinsante s.c.
- Department Name
- -
- Contact Person Name
- Marzena Maryniak-Wisniewska
- Contact Person Email
- maryniak.wisniewska@clinsante.pl
- Site Name
- MlynowaMed Specjalistyczny Psychiatryczny Gabinet Lekarski
- Department Name
- -
- Contact Person Name
- Joanna Lazarczyk
- Contact Person Email
- joannalaz@wp.pl
- Site Name
- A further listed Polish site
- Department Name
- -
Sponsor
Primary sponsor
- Full Name
- Bristol-Myers Squibb Services Unlimited Company
- Organisation Type
- Pharmaceutical company
- Country Of Registered Address
- Ireland
Contract research organisations
- Name
- Syneos Health Inc.
- Responsibilities
- Eligibility Review
- Name
- Clario
- Responsibilities
- ECG
- Name
- Iqvia Inc.
- Responsibilities
- Site Payments
- Name
- Medidata Solutions Inc.
- Responsibilities
- Data Management Platform
- Name
- Signant Health LLC
- Responsibilities
- Electronic Clinical Outcomes (eCOA), Rater training and qualification, and scientific trend analysis services
Third parties
- {"country":"United States","full_name":"Syneos Health Inc.","duties_or_roles":"Eligibility Review","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Clario","duties_or_roles":"ECG","organisation_type":"Industry"}
- {"country":"Germany","full_name":"Azenta Germany GmbH","duties_or_roles":"Long term sample storage","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"Clinical chemistry, Clinical haematology, Serology, endocrinology and plasma testing, CSF testing, Storage of biomarkers and residual biomarkers tested","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Iqvia Inc.","duties_or_roles":"Site Payments","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Travel Reimbursement","organisation_type":"Non-Pharmaceutical company"}
- {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"Data Management Platform","organisation_type":"Non-Pharmaceutical company"}
- {"country":"United States","full_name":"Signant Health LLC","duties_or_roles":"Electronic Clinical Outcomes (eCOA), Rater training and qualification, and scientific trend analysis services","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Techdata Service Company LLC","duties_or_roles":"Biostatistics and Statistical Programming. DMC Support","organisation_type":"Laboratory/Research/Testing facility"}
Investigational products
- Investigational Product Name
- KarXT
- Active Substance
- TROSPIUM CHLORIDE; XANOMELINE TARTRATE
- Modality
- Small molecule
- Routes Of Administration
- ORAL
- Route
- ORAL
- Authorisation Status
- Authorised (prodAuthStatus 1)
- Maximum Dose
- 9999 mg
- Investigational Product Name
- KarX-EC
- Active Substance
- XANOMELINE TARTRATE
- Modality
- Small molecule
- Routes Of Administration
- ORAL
- Route
- ORAL
- Authorisation Status
- Authorised (prodAuthStatus 1)
- Maximum Dose
- 9999 mg
- Investigational Product Name
- KarXT matching placebo
- Modality
- Other
- Investigational Product Name
- KarX-EC matching placebo
- Modality
- Other
- Combination Treatment
- Yes
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