NCT04770220CompletedPhase 3
An Efficacy and Safety Study of ALZ-801 in APOE4/4 Early AD Subjects
A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study of the Efficacy, Safety and Biomarker Effects of ALZ-801 in Subjects With Early Alzheimer's Disease and APOE4/4 Genotype
Source: ClinicalTrials.gov · Last updated 29 Sept 2026
Brief summary (registry, in English)
This study is being conducted to evaluate the safety and efficacy of ALZ-801 in Early Alzheimer's disease (AD) subjects with the APOE4/4 genotype. This is a double-blind, randomized trial with one dose of ALZ-801 compared to placebo.
- Status (registry)
- Completed
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 325 (actual)
- First submitted
- 22 Feb 2021
- Start date
- 19 May 2021
- Primary completion date
- 29 May 2024
- Lead sponsor
- Alzheon Inc.
- Diseases
- Alzheimer disease
- NCT number
- NCT04770220
- EudraCT number
- 2020-005755-20
What you commit to
- Study type: Interventional · Phase 3
- Participants enrolled: 325
- From 19 May 2021 to the primary completion date, 29 May 2024
- 95 sites in 9 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Diagnosis of major depressive disorder (MDD) within one year prior to screening.
- Currently taking memantine or has taken memantine within 12 weeks prior to the Baseline Visit.
- History of suicidal behavior within one year prior to screening or has ongoing suicidal ideation.
- Medically confirmed history of recent cerebral infarct or transient ischemic attack within one year prior to screening.
Other illness
- Diagnosis of neurodegenerative disorder other than AD.
Age
- History of seizures, excluding febrile seizures of childhood or a single distant seizure (\> 5 years).
Other
- Brain magnetic resonance imaging (MRI) indicative of significant abnormality per central reader, other than AD related atrophy. Computed tomography (CT) scan acceptable for subjects who cannot undergo MRI.
Who the study is looking for
- Clinical diagnosis of MCI or Mild Dementia due to AD consistent with the National Institute on Aging-Alzheimer's Association (NIA-AA) Working Group Criteria.
- Homozygous for the ε4 allele of the apolipoprotein E gene (APOE4/4).
- MMSE score at Screening of 22 to 30 (inclusive).
- CDR - Global score of 0.5 or 1 and CDR Memory Box Score of ≥ 0.5.
- RBANS delayed memory index score ≤ 85.
- Evidence of progressive memory loss over the last 12 months per investigator assessment
Age in the registry: 50 years to 80 years · Sex: All · Does not accept healthy volunteers
Sites (95)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Recherches Neuro-Hippocampe Inc. d/b/a Clinique de la Mémoire de l'Outaouais Coordinator of this site? Confirm its status | Gatineau | Canada | Unknown status |
| Centricity Research Coordinator of this site? Confirm its status | Halifax | Canada | Unknown status |
| OCT Research ULC (dba Okanagan Clinical Trials) Coordinator of this site? Confirm its status | Kelowna | Canada | Unknown status |
| Centricity Research Coordinator of this site? Confirm its status | New Minas | Canada | Unknown status |
| Recherches Neuro-Hippocampe, Inc., d/b/a Ottawa Memory Clinic Coordinator of this site? Confirm its status | Ottawa | Canada | Unknown status |
| Kawartha Centre - Redefining Healthy Aging Coordinator of this site? Confirm its status | Peterborough | Canada | Unknown status |
| Toronto Memory Program Coordinator of this site? Confirm its status | Toronto | Canada | Unknown status |
| Medica 111, Spol. s r.o. - Neurologicka a Rehabilitacni Ambulance Brno, Centralni Pracoviste v Brne Coordinator of this site? Confirm its status | Brno | Czechia | Unknown status |
| Fakultní nemocnice u sv. Anny v Brně (St. Anne's University Hospital) Coordinator of this site? Confirm its status | Brno | Czechia | Unknown status |
| Neuropsychiatrie s.r.o. Coordinator of this site? Confirm its status | Prague | Czechia | Unknown status |
| Vestra Clinics - Dedicated Research Clinics Coordinator of this site? Confirm its status | Rychnov nad Kněžnou | Czechia | Unknown status |
| University Hospital RWTH Aachen Neurological Study Center Coordinator of this site? Confirm its status | Aachen | Germany | Unknown status |
| Klinikum der Universitaet Muenchen Innenstadt Coordinator of this site? Confirm its status | München | Germany | Unknown status |
| Universitätsklinik fuer Psychiatrie und Psychotherapie Coordinator of this site? Confirm its status | Tübingen | Germany | Unknown status |
| Studienzentrum Nord-West Coordinator of this site? Confirm its status | Westerstede | Germany | Unknown status |
| Fundacia ACE - Institut Catala de Neurociencies Aplicadas Coordinator of this site? Confirm its status | Barcelona | Spain | Unknown status |
| Clinica Universidad de Navarra Coordinator of this site? Confirm its status | Madrid | Spain | Unknown status |
| Hospital Clínico San Carlos Coordinator of this site? Confirm its status | Madrid | Spain | Unknown status |
| Clínica Universidad de navarra Coordinator of this site? Confirm its status | Pamplona | Spain | Unknown status |
| Hospital Universitari MutuaTerrassa Coordinator of this site? Confirm its status | Terrassa | Spain | Unknown status |
| Centro Hospital Universitario Dr. Preset Coordinator of this site? Confirm its status | Valencia | Spain | Unknown status |
| Centre Hospitalier Universitaire de Marseille - Hôpital de la Timone Coordinator of this site? Confirm its status | Marseille | France | Unknown status |
| Hopital Gui de Chauliac - CHRU de Montpellier Coordinator of this site? Confirm its status | Montpellier | France | Unknown status |
| Hopital Lariboisiere - Fernand-Widal - AP-HP Coordinator of this site? Confirm its status | Paris | France | Unknown status |
| Centre Hospitalier Universitaire (CHU) Hopitaux de Rouen Coordinator of this site? Confirm its status | Rouen | France | Unknown status |
| Hopitaux Universitaires de Strasbourg Centre d'Investigation Clinique Coordinator of this site? Confirm its status | Strasbourg | France | Unknown status |
| Centre de Recherche Clinique du Gerontopole - CHU Toulouse Coordinator of this site? Confirm its status | Toulouse | France | Unknown status |
| Centre de Recherche-Hopital Geriatrique de Charpennes Coordinator of this site? Confirm its status | Villeurbanne | France | Unknown status |
| Re-Cognition Health Ltd Birmingham Coordinator of this site? Confirm its status | Birmingham | United Kingdom | Unknown status |
| Re:Cognition Health Ltd Bristol Coordinator of this site? Confirm its status | Bristol | United Kingdom | Unknown status |
| Re-Cognition Health Ltd Guildford Coordinator of this site? Confirm its status | Guildford | United Kingdom | Unknown status |
| St Pancras Clinical Research Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| Re:Cognition Health Ltd (London) Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| NeuroClin Glasgow Ltd Coordinator of this site? Confirm its status | Motherwell | United Kingdom | Unknown status |
| Re-Cognition Health Ltd Plymouth Coordinator of this site? Confirm its status | Plymouth | United Kingdom | Unknown status |
| Re-Cognition Health Ltd Winchester Coordinator of this site? Confirm its status | Winchester | United Kingdom | Unknown status |
| Memory Clinic, Landspitali University Hospital Coordinator of this site? Confirm its status | Reykjavik | Iceland | Unknown status |
| Brain Research Center Amsterdam Coordinator of this site? Confirm its status | Amsterdam | Netherlands | Unknown status |
| Brain Research Center Den Bosch Coordinator of this site? Confirm its status | 's-Hertogenbosch | Netherlands | Unknown status |
| Brain Research Center Zwolle Coordinator of this site? Confirm its status | Zwolle | Netherlands | Unknown status |
| Abington Neurological Associates Coordinator of this site? Confirm its status | Abington | United States | Unknown status |
| Neurological Associates of Albany Coordinator of this site? Confirm its status | Albany | United States | Unknown status |
| Lehigh Center for Clinical Research Coordinator of this site? Confirm its status | Allentown | United States | Unknown status |
| JEM Research Institute, Headlands Site Coordinator of this site? Confirm its status | Atlantis | United States | Unknown status |
| Northwest Clinical Research Center Coordinator of this site? Confirm its status | Bellevue | United States | Unknown status |
| Bradenton Research Center Coordinator of this site? Confirm its status | Bradenton | United States | Unknown status |
| NeuroScience Research Center Coordinator of this site? Confirm its status | Canton | United States | Unknown status |
| Columbus Memory Center Coordinator of this site? Confirm its status | Columbus | United States | Unknown status |
| ATP Clinical Research Coordinator of this site? Confirm its status | Costa Mesa | United States | Unknown status |
| Neurology Diagnostics, Inc. Coordinator of this site? Confirm its status | Dayton | United States | Unknown status |
| Sandhill Research, LLC Coordinator of this site? Confirm its status | Decatur | United States | Unknown status |
| Rhode Island Mood & Memory Research Institute Coordinator of this site? Confirm its status | East Providence | United States | Unknown status |
| Re:Cognition Health Coordinator of this site? Confirm its status | Fairfax | United States | Unknown status |
| Fort Wayne Neurological Center Coordinator of this site? Confirm its status | Fort Wayne | United States | Unknown status |
| Triad Clinical Trials Coordinator of this site? Confirm its status | Greensboro | United States | Unknown status |
| Galiz Research Coordinator of this site? Confirm its status | Hialeah | United States | Unknown status |
| UT Health Science Center at Houston Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Tilda Research Coordinator of this site? Confirm its status | Irvine | United States | Unknown status |
| Alphab Global Research Coordinator of this site? Confirm its status | Jupiter | United States | Unknown status |
| Charter Research Coordinator of this site? Confirm its status | Lady Lake | United States | Unknown status |
| UCSD Shiley-Marcos Alzheimer's Disease Research Center Coordinator of this site? Confirm its status | La Jolla | United States | Unknown status |
| WR-CRCN Coordinator of this site? Confirm its status | Las Vegas | United States | Unknown status |
| Torrance Clinical Research Institute Coordinator of this site? Confirm its status | Lomita | United States | Unknown status |
| Collaborative NeuroScience Network LLC Coordinator of this site? Confirm its status | Long Beach | United States | Unknown status |
| K2 Medical Research, LLC Coordinator of this site? Confirm its status | Maitland | United States | Unknown status |
| AMC Research Coordinator of this site? Confirm its status | Matthews | United States | Unknown status |
| Y & L Advance Health Care, Inc /DBA Elite Clinical Research Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Miami Jewish Health Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Mount Sinai Medical Center Coordinator of this site? Confirm its status | Miami Beach | United States | Unknown status |
| Medical College of Wisconsin Coordinator of this site? Confirm its status | Milwaukee | United States | Unknown status |
| Aqualane Clinical Research Coordinator of this site? Confirm its status | Naples | United States | Unknown status |
| Vanderbilt Center for Cognitive Medicine Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
| NYU Alzheimer's Disease Research Center Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| IPS Research Coordinator of this site? Confirm its status | Oklahoma City | United States | Unknown status |
| Kline Institute for Psychiatric Research Coordinator of this site? Confirm its status | Orangeburg | United States | Unknown status |
| Headlands Research Orlando Coordinator of this site? Confirm its status | Orlando | United States | Unknown status |
| Charter Research Coordinator of this site? Confirm its status | Orlando | United States | Unknown status |
| Advanced Research Consultants Coordinator of this site? Confirm its status | Palm Beach Gardens | United States | Unknown status |
| Stanford University Coordinator of this site? Confirm its status | Palo Alto | United States | Unknown status |
| SC3 Research Group Coordinator of this site? Confirm its status | Pasadena | United States | Unknown status |
| Xenoscience Coordinator of this site? Confirm its status | Phoenix | United States | Unknown status |
| Headlands Research - Eastern MA Coordinator of this site? Confirm its status | Plymouth | United States | Unknown status |
| Quantum CNS Clinical Research Coordinator of this site? Confirm its status | Pompano Beach | United States | Unknown status |
| Center for Cognitive Health Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| Progressive Medical Research Coordinator of this site? Confirm its status | Port Orange | United States | Unknown status |
| University of Rochester Medical Center Coordinator of this site? Confirm its status | Rochester | United States | Unknown status |
| Sutter Health Coordinator of this site? Confirm its status | Sacramento | United States | Unknown status |
| CCT Research Coordinator of this site? Confirm its status | Scottsdale | United States | Unknown status |
| Louisiana State University Health Sciences Center (LSUHSC) Coordinator of this site? Confirm its status | Shreveport | United States | Unknown status |
| Richmond Behavioral Associates Coordinator of this site? Confirm its status | Staten Island | United States | Unknown status |
| ALZ Research and Treatment Center (A.R.T.C.) Coordinator of this site? Confirm its status | Stuart | United States | Unknown status |
| Banner Sun Health Research Institute Coordinator of this site? Confirm its status | Sun City | United States | Unknown status |
| Advanced Memory Research Center Coordinator of this site? Confirm its status | Toms River | United States | Unknown status |
| ALZ Research and Treatment Center (A.R.T.C.) Coordinator of this site? Confirm its status | Wellington | United States | Unknown status |
| Premiere Research Institute Coordinator of this site? Confirm its status | West Palm Beach | United States | Unknown status |
Related publications
This page is information, not medical advice. Discuss any trial with your doctor.