Clinical trial • Phase II/III • Neurology

ACP-204 TARTRATE for Alzheimer's disease psychosis

Phase II/III trial of ACP-204 TARTRATE for Alzheimer's disease psychosis.

Overview

Trial Therapeutic Area
Neurology
Trial Disease
Alzheimer's disease psychosis
Trial Stage
Phase II/III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
08-02-2024
First CTIS Authorization Date
31-05-2024

Trial design

Randomised, acp-204 60 mg - administration once daily at approximately the same time of day, with or without food; acp-204 30 mg - administration once daily at approximately the same time of day, with or without food; placebo to match acp-204 - administration once daily at approximately the same time of day, with or without food-controlled Phase II/III trial in Spain, Czechia, Bulgaria and others.

Randomised
Yes
Comparator
ACP-204 60 mg - Administration once daily at approximately the same time of day, with or without food; ACP-204 30 mg - Administration once daily at approximately the same time of day, with or without food; Placebo to match ACP-204 - Administration once daily at approximately the same time of day, with or without food
Target Sample Size
792
Trial Duration For Participant
114

Eligibility

Recruits 792 Participants are adults with Alzheimer disease psychosis (cognitive impairment). The trial selects vulnerable subjects (isVulnerablePopulationSelected = true). Consent processes include subject informed consent forms and separate caregiver/study partner informed consent materials (Caregiver ICF). eConsent materials and participant-facing information are provided. The study requires a designated study partner/caregiver to complete study visits, and caregiver involvement is documented (Caregiver ICF, study partner documents). Consent and information materials are available in multiple language versions (English, Bulgarian, Spanish, French, Italian, Czech) as shown in submitted ICF and eConsent documents..

Vulnerable Population
Participants are adults with Alzheimer disease psychosis (cognitive impairment). The trial selects vulnerable subjects (isVulnerablePopulationSelected = true). Consent processes include subject informed consent forms and separate caregiver/study partner informed consent materials (Caregiver ICF). eConsent materials and participant-facing information are provided. The study requires a designated study partner/caregiver to complete study visits, and caregiver involvement is documented (Caregiver ICF, study partner documents). Consent and information materials are available in multiple language versions (English, Bulgarian, Spanish, French, Italian, Czech) as shown in submitted ICF and eConsent documents.

Inclusion criteria

  • {"criterion_text":"- Is male or female and ≥55 and <85 years of age living in the community or in an institutionalized setting"}
  • {"criterion_text":"- Able to complete all study visits with a study partner/caregiver"}
  • {"criterion_text":"- Must be on a stable dose of cholinesterase inhibitor or memantine, if applicable"}
  • {"criterion_text":"- Meets clinical criteria for possible or probable AD based on the 2011 National Institute on Aging-Alzheimer Association (NIA-AA) criteria"}
  • {"criterion_text":"- Meets the revised criteria for psychosis in major or mild neurocognitive disorder established by the International Psychogeriatrics Association (IPA)"}
  • {"criterion_text":"- Has either blood-based biomarker or documented evidence (e.g. positron emission tomography, cerebrospinal fluid biomarker) indicating amyloid plaque deposition and neuropathologic change consistent with AD"}
  • {"criterion_text":"- Has a prior magnetic resonance imaging or computed tomography scan of the brain that is consistent with the diagnosis of AD"}
  • {"criterion_text":"- MMSE score ≥6 and ≤24"}
  • {"criterion_text":"- Psychotic symptoms for at least 2 months"}
  • {"criterion_text":"- Lives in a stable place of residence and there are no plans to change living arrangements"}
  • {"criterion_text":"- Has a designated study partner/caregiver"}

Exclusion criteria

  • {"criterion_text":"- Requires treatment with a medication prohibited by the protocol"}
  • {"criterion_text":"- Is in hospice and receiving end-of-life palliative care, or has become bedridden"}
  • {"criterion_text":"- Requires skilled nursing care"}
  • {"criterion_text":"- Psychotic symptoms that are primarily attributable to delirium, substance abuse, or a medical or psychiatric condition other than dementia"}
  • {"criterion_text":"- Known history of cerebral amyloid angiopathy, epilepsy, central nervous system neoplasm, or unexplained syncope"}
  • {"criterion_text":"- Atrial fibrillation"}
  • {"criterion_text":"- Symptomatic orthostatic hypotension"}
  • {"criterion_text":"- Protocol-defined exclusionary clinical laboratory findings"}
  • {"criterion_text":"- Additional inclusion/exclusion criteria apply. Subjects will be evaluated at screening to ensure that all criteria for study participation are met."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- From baseline to Week 6: 1. Scale for the Assessment of Positive Symptoms-Hallucinations and Delusions subscales (SAPS-H+D) total score change from baseline.","definition_or_measurement_approach":"Change from baseline to Week 6 in the SAPS-H+D total score (Scale for the Assessment of Positive Symptoms - Hallucinations and Delusions subscales)."}

Secondary endpoints

  • {"endpoint_text":"- From baseline to Week 6: Clinical Global Impression–Severity in the ADP context (CGI-S-ADP) total score change from baseline","definition_or_measurement_approach":"Change from baseline to Week 6 in the CGI-S-ADP total score (Clinical Global Impression–Severity in the ADP context)."}

Recruitment

Registry Or Advocacy Recruitment
True - Patient Advocacy Group (unnamed, referenced via 'Patient Advocacy Group Letter' recruitment document)
Digital Remote Recruitment
True - Includes online advertising scripts, online screening website/script, eConsent participant-facing landing page and eConsent screenshots; used to reach patients and care partners remotely across participating countries.
Planned Sample Size
792
Recruitment Window Months
50
Consent Approach
Informed consent is obtained using a Main ICF for participants plus separate Caregiver ICF and Pregnant Partner ICF where applicable. eConsent materials (participant-facing landing page, screenshots, security/privacy guides) are available. A designated study partner/caregiver is required to accompany participants and is involved in consent/assessments (Caregiver ICF). Consent documents and participant materials are provided in multiple languages (English, Bulgarian, Spanish, French, Italian, Czech).

Methods

  • Online advertising: scripts and online screening website materials (target: patients with Alzheimer’s disease psychosis and their care partners); country-specific online materials provided.
  • Patient letter and patient ID card: direct mail or clinic distribution to potential participants and care partners.
  • Physician referral letters: materials to support recruitment via clinicians/neurology/psychiatry practices.
  • Print flyers and recruiting brochures: patient and care partner brochures and flyers for clinic or community distribution.
  • Advocacy / Patient Advocacy Group engagement: Patient Advocacy Group letter to engage advocacy organizations.
  • eConsent and participant-facing landing pages: electronic consent materials and eConsent screenshots to support remote or digital consent.
  • Welcome letters and travel/reimbursement support materials (Clincierge, Pay Portal Guide) to facilitate participation.

Geography

Total Number Of Sites
46
Total Number Of Participants
282

Spain

Earliest CTIS Part Ii Submission Date
06-05-2024
Latest Decision Or Authorization Date
03-06-2024
Processing Time Days
28
Number Of Sites
4
Number Of Participants
20

Sites

Site Name
Hospital Universitario Regional De Malaga
Department Name
Neurology
Contact Person Name
Pedro Jesus Serrano Castro
Contact Person Email
estudios.clinicos@ibima.eu
Site Name
Hospital Universitario Virgen De La Macarena
Department Name
Neurology
Contact Person Name
Felix Vinuela Fernandez
Contact Person Email
fvinuelaf@gmail.com
Site Name
Complejo Asistencial De Zamora Hospital Provincial De Zamora
Department Name
Neurology
Contact Person Name
Manuel Angel Franco Martin
Contact Person Email
mfrancom@saludcastillayleon.es
Site Name
Hospital Germans Trias I Pujol
Department Name
Neurology
Contact Person Name
Pau Pastor Muñoz

Czechia

Earliest CTIS Part Ii Submission Date
03-05-2024
Latest Decision Or Authorization Date
03-06-2024
Processing Time Days
31
Number Of Sites
8
Number Of Participants
66

Sites

Site Name
Brain-Soultherapy s.r.o.
Contact Person Name
Klaudia Vodickova Borzova
Contact Person Email
cborzova@seznam.cz
Site Name
Ad71 s.r.o.
Contact Person Name
Ilona Divacka
Contact Person Email
info@vodopad.cz
Site Name
Clintrial s.r.o.
Contact Person Name
Zdenek Solle
Contact Person Email
zdenek.solle@clintrial.cz
Site Name
INEP medical s.r.o.
Contact Person Name
Alexander Nawka
Contact Person Email
nawka@inep.cz
Site Name
Neurohk s.r.o.
Contact Person Name
Martin Valis
Contact Person Email
valismar@seznam.cz
Site Name
Fakultni Nemocnice U Sv Anny V Brne
Department Name
I.Neurologická klinika
Contact Person Name
Lenka Krajcovicova
Contact Person Email
lenka.krajcovicova@fnusa.cz
Site Name
Forbeli s.r.o.
Contact Person Name
Michal Bajacek
Contact Person Email
mbajacek@yahoo.co.uk
Site Name
Vestra Clinics s.r.o.
Contact Person Name
Ladislav Pazdera
Contact Person Email
pazdera@vestraclinics.org

Bulgaria

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
04-06-2024
Processing Time Days
61
Number Of Sites
12
Number Of Participants
82

Sites

Site Name
University Multiprofile Hospital For Active Treatment Saint Georgi EAD
Department Name
Clinic of Psychiatry
Contact Person Name
Andriana Kakanakova
Site Name
Diagnostic And Consultation Centre St.Vrach And St.St. Kuzma And Damian OOD
Contact Person Name
Petya Dimitrova
Contact Person Email
drdimitrova@abv.bg
Site Name
Medical Center Hera EOOD
Contact Person Name
Spiridon Spiridonov
Contact Person Email
spiridon.aleksiev@gmail.com
Site Name
Center For Mental Health Prof. N. Shipkovenski EOOD
Contact Person Name
Ana Popova
Contact Person Email
dr.anapopova@gmail.com
Site Name
Medical Center Lifemed EOOD
Contact Person Name
Rozaliya Rangelova
Contact Person Email
rrangelova80@gmail.com
Site Name
Higya–DCC OOD
Contact Person Name
Dora Atanasova
Contact Person Email
dora_pazardjik@abv.bg
Site Name
Dr. Ivo Natsov Outpatient Clinic For Individual Practice For Specialized Medical Care In Psychiatry ET
Contact Person Name
Ivo Natsov
Contact Person Email
ivo_nacov@abv.bg
Site Name
Medical Center Intermedica Ltd.
Contact Person Name
Toni Donchev
Contact Person Email
tonyd@abv.bg
Site Name
Medical Center Spectar Plovdiv EOOD
Contact Person Name
Nikolay Popov
Contact Person Email
nikpopov@abv.bg
Site Name
Alexandrovska University Hospital
Department Name
Clinic of Psychiatry
Contact Person Name
Georgi Onchev
Contact Person Email
georgi.onchev@gmail.com
Site Name
Medical Center Medconsult Pleven OOD
Contact Person Name
Mariya Alexandrova-Stoycheva
Contact Person Email
doc_maria_aleksandrova@abv.bg
Site Name
Alexandrovska University Hospital
Department Name
Clinic of neurological disorders
Contact Person Name
Latchezar Traykov
Contact Person Email
traykov_l@yahoo.fr

Italy

Earliest CTIS Part Ii Submission Date
22-02-2024
Latest Decision Or Authorization Date
31-05-2024
Processing Time Days
99
Number Of Sites
10
Number Of Participants
62

Sites

Site Name
Azienda Ospedaliero-Universitaria Policlinico Umberto I
Department Name
Neurology
Contact Person Name
Giuseppe Bruno
Contact Person Email
giuseppe.bruno@uniroma1.it
Site Name
Istituto Neurologico Mediterraneo Neuromed S.p.A.
Department Name
Neurology
Contact Person Name
Diego Centonze
Contact Person Email
centonze@uniroma2.it
Site Name
Azienda Ospedaliera Universitaria San Giovanni Di Dio E Ruggi d'Aragona
Department Name
Neurology
Contact Person Name
Paolo Barone
Contact Person Email
pbarone@unisa.it
Site Name
Universita' Campus Bio-medico Di Roma
Department Name
Neurology
Contact Person Name
Vincenzo Di Lazzaro
Site Name
Ospedale San Raffaele S.r.l.
Department Name
Neurology
Contact Person Name
Massimo Filippi
Contact Person Email
filippi.massimo@hsr.it
Site Name
Azienda Socio Sanitaria Territoriale Degli Spedali Civili Di Brescia
Department Name
Neurology
Contact Person Name
Alessandro Padovani
Contact Person Email
padovanineurologia@gmail.com
Site Name
Azienda Ospedaliera Universitaria Citta Della Salute E Della Scienza Di Torino
Department Name
Neurology
Contact Person Name
Innocenzo Rainero
Contact Person Email
innocenzo.rainero@unito.it
Site Name
Pia Fondazione Di Culto E Religione Card G Panico
Department Name
Neurology
Contact Person Name
Daniele Urso
Contact Person Email
d.urso@piafondazionepanico.it
Site Name
Fondazione Istituto G. Giglio Di Cafalu
Department Name
U.O Neurologia
Contact Person Name
Luigi Grimaldi
Contact Person Email
luigi.grimaldi@hsrgiglio.it
Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
Neurology
Contact Person Name
Davide Quaranta

France

Earliest CTIS Part Ii Submission Date
03-05-2024
Latest Decision Or Authorization Date
03-06-2024
Processing Time Days
31
Number Of Sites
12
Number Of Participants
52

Sites

Site Name
Centre Hospitalier Pasteur
Department Name
Centre pour Personnes Âgées
Contact Person Name
Pierre ANTHONY
Contact Person Email
pierre.anthony@ch-colmar.fr
Site Name
Hospices Civils De Lyon
Department Name
Centre de Recherche Clinique
Contact Person Name
Antoine GARNIER-CRUSSARD
Site Name
Centre Hospitalier Universitaire De Dijon
Department Name
Centre Mémoire Ressources et Recherche
Contact Person Name
Sophie MOHR
Contact Person Email
sophie.mohr@chu-dijon.fr
Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Gérontopôle Centre de Recherche Clinique
Contact Person Name
Maria SOTO MARTIN
Contact Person Email
soto-martin.me@chu-toulouse.fr
Site Name
Centre Hospitalier Regional Universitaire De Tours
Department Name
Centre Mémoire Ressources et Recherche (CMRR)
Contact Person Name
Thomas DESMIDT
Contact Person Email
t.desmidt@chu-tours.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Centre de Neurologie Cognitive
Contact Person Name
Emmanuel COGNAT
Contact Person Email
emmanuel.cognat@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Pôle de gériatrie
Contact Person Name
Hermine LENOIR
Contact Person Email
hermine.lenoir@aphp.fr
Site Name
Centre Hospitalier Universitaire Rouen
Department Name
Service de Neurologie
Contact Person Name
David WALLON
Contact Person Email
david.wallon@chu-rouen.fr
Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Service de Neurologie
Contact Person Name
Jérémie PARIENTE
Contact Person Email
jeremie.pariente@inserm.fr
Site Name
CHRU De Nancy
Department Name
Département Gériatrie Aigue
Contact Person Name
Laure JOLY
Contact Person Email
l.joly@chru-nancy.fr
Site Name
Centre Hospitalier Et Universitaire De Limoges
Department Name
Service de Médecine Gériatrique
Contact Person Name
Achille TCHALLA
Contact Person Email
achille.tchalla@chu-limoges.fr
Site Name
Hospital Pierre Wertheimer
Department Name
Service Neurologie
Contact Person Name
Hélène MOLLION
Contact Person Email
helene.mollion@chu-lyon.fr

Sponsor

Primary sponsor

Full Name
Acadia Pharmaceuticals Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Parexel International Corp.
Responsibilities
case processing
Name
IQVIA Limited
Name
Signant Health Global LLC
Responsibilities
Scales, Rater training, eCOA devices for scale administration, scale acquisition
Name
Icon Laboratory Services Inc.

Third parties

  • {"country":"United States","full_name":"Gray Consulting Inc.","duties_or_roles":"travel and reimbursement vendor","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Signant Health Global LLC","duties_or_roles":"Scales, Rater training, eCOA devices for scale administration, scale acquisition","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Parexel International Corp.","duties_or_roles":"case processing","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Icon Laboratory Services Inc.","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}

Investigational products

Investigational Product Name
ACP-204
Active Substance
ACP-204 TARTRATE
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL
Authorisation Status
MIA: DE_BW_01_MIA_2024_0081
Starting Dose
30 mg
Dose Levels
30 mg | 60 mg
Frequency
Administration once daily at approximately the same time of day, with or without food
Maximum Dose
60 mg
Investigational Product Name
Placebo to match ACP-204
Modality
Other
Frequency
Administration once daily at approximately the same time of day, with or without food

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