NCT07033494RecruitingPhase 2
A Clinical Study of MK-2214 in People With Early Alzheimer's Disease (MK-2214-004)
A Phase 2 Randomized, Placebo-Controlled, Double-Blind, Parallel-Group Study to Evaluate the Efficacy and Safety of MK-2214 in Participants With Early Alzheimer's Disease
Source: ClinicalTrials.gov · Last updated 20 Oct 2026
Brief summary (registry, in English)
Researchers want to know if the study treatment called MK-2214 works to slow certain changes in the brains of people with Alzheimer's disease (AD). AD is a type of dementia that can cause loss of memory, communication (such as speech), and decision-making skills. It can limit a person's ability to do daily tasks. MK-2214 is a study treatment designed to slow down AD. The goals of the study are to learn: * If MK-2214 slows the spread of tau in the brain compared to placebo. Tau is a protein that accumulates in AD \& damages brain cells. A placebo looks like the study treatment but has no study treatment in it. Using a placebo helps researchers better understand the effects of a study treatment. * About the safety of MK-2214 and if people tolerate it
- Status (registry)
- Recruiting
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 340 (estimated)
- First submitted
- 13 Jun 2025
- Start date
- 16 Jul 2025
- Primary completion date
- 30 Apr 2029
- Lead sponsor
- Merck Sharp & Dohme LLC
- Diseases
- Alzheimer disease
- NCT number
- NCT07033494
- EU CT number
- 2024-519190-19-00
What you commit to
- Study type: Interventional · Phase 2
- Planned participants: 340
- From 16 Jul 2025 to the primary completion date, 30 Apr 2029
- 80 sites in 11 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
- Has major medical illness or unstable medical condition within 3 months before screening
- Has any immunological disease, which is not adequately controlled, or which requires treatment with biologics and/or immunosuppressants during the study
Other illness
- Has a known history of stroke or cerebrovascular disease
- Has diagnosis of a clinically relevant central nervous system disease other than AD or other condition that negatively impacts cognition or cognitive status chronically
- Has structural brain disease
- Has a history of seizures or epilepsy within 5 years before screening
- Has any other major central nervous system trauma, or infections that affect brain function
- Has a bleeding disorder that is not under adequate control
- Has a history of malignancy occurring within 5 years of screening
- Has liver disease
Lab values
- Has a severe, acute, or chronic medical or psychiatric condition or laboratory abnormality
- Has a risk factor for corrected QT interval (QTc) prolongation
Other
- The main exclusion criteria include but are not limited to the following:
- Is unwilling or unable to undergo computed tomography (CT), positron emission tomography (PET), or magnetic resonance imaging (MRI) scan
- Resides in a nursing home or assisted care facility with need for direct continuous medical care and nursing supervision
Who the study is looking for
- The main inclusion criteria include but are not limited to the following:
- Has mild cognitive impairment (MCI) or mild dementia due to Alzheimer's Disease (AD)
- Has a designated study partner who can fulfill the requirements of this study
- If on an approved AD therapy for symptomatic AD, the dosing regimen must have been stable for 3 months prior to screening
Age in the registry: 50 years to 85 years · Sex: All · Does not accept healthy volunteers
Sites (80)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia (FLENI) ( Site 0400) Coordinator of this site? Confirm its status | Caba | Argentina | Recruiting |
| Centro de Educación Médica e Investigaciones clínicas "Dr. Norberto Quirno" (CEMIC) ( Site 0404) Coordinator of this site? Confirm its status | Ciudad de Buenos Aires | Argentina | Recruiting |
| Organizacion Medica de Investigacion ( Site 0401) Coordinator of this site? Confirm its status | Ciudad de Buenos Aires | Argentina | Recruiting |
| Austin Health ( Site 0300) Coordinator of this site? Confirm its status | Ivanhoe | Australia | Recruiting |
| Southern Neurology ( Site 0306) Coordinator of this site? Confirm its status | Kogarah | Australia | Recruiting |
| KARA Institute for Neurological Diseases ( Site 0302) Coordinator of this site? Confirm its status | Macquarie Park | Australia | Recruiting |
| HammondCare ( Site 0301) Coordinator of this site? Confirm its status | Malvern | Australia | Recruiting |
| Algemeen Ziekenhuis Groeninge Coordinator of this site? Confirm its status | Kortrijk | Belgium | Recruiting |
| UZ Leuven Coordinator of this site? Confirm its status | Leuven | Belgium | Recruiting |
| Cliniques Universitaires Saint-Luc Coordinator of this site? Confirm its status | Sint-Lambrechts-Woluwe | Belgium | Recruiting |
| Clinique Mémoire de Montreal ( Site 2000) Coordinator of this site? Confirm its status | Montreal | Canada | Recruiting |
| Ottawa Memory Clinic ( Site 2001) Coordinator of this site? Confirm its status | Ottawa | Canada | Recruiting |
| Sunnybrook Research Institute ( Site 2003) Coordinator of this site? Confirm its status | Toronto | Canada | Recruiting |
| Toronto Western Hospital ( Site 2004) Coordinator of this site? Confirm its status | Toronto | Canada | Recruiting |
| Fundació ACE, Institut Català de Neurociències Aplicades Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital del Mar Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital Clinic de Barcelona Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Fundacio Assistencial De Mutua De Terrassa Fpc Coordinator of this site? Confirm its status | Terrassa | Spain | Recruiting |
| Scottish Brain Sciences Aberdeen ( Site 8001) Coordinator of this site? Confirm its status | Aberdeen | United Kingdom | Recruiting |
| Remind UK ( Site 8003) Coordinator of this site? Confirm its status | Bath | United Kingdom | Recruiting |
| Re:Cognition Health - Birmingham ( Site 8002) Coordinator of this site? Confirm its status | Birmingham | United Kingdom | Recruiting |
| Scottish Brain Sciences ( Site 8000) Coordinator of this site? Confirm its status | Edinburgh | United Kingdom | Recruiting |
| Leonard Wolfson Experimental Neurology Centre (LWENC) ( Site 8006) Coordinator of this site? Confirm its status | London | United Kingdom | Recruiting |
| Warneford Hospital ( Site 8007) Coordinator of this site? Confirm its status | Oxford | United Kingdom | Recruiting |
| Moorgreen Hospital ( Site 8004) Coordinator of this site? Confirm its status | Southampton | United Kingdom | Recruiting |
| Inage Neurology and Memory Clinic ( Site 9001) Coordinator of this site? Confirm its status | Chiba | Japan | Recruiting |
| Kyushu University Hospital ( Site 9010) Coordinator of this site? Confirm its status | Fukuoka | Japan | Recruiting |
| Hatsuta Neurology Clinic ( Site 9017) Coordinator of this site? Confirm its status | Hirakata | Japan | Recruiting |
| National Hospital Organization Hizen Psychiatric Medical Center ( Site 9004) Coordinator of this site? Confirm its status | Kanzaki-gun | Japan | Recruiting |
| Association of Healthcare Corporation Koukankai Koukan Clinic ( Site 9016) Coordinator of this site? Confirm its status | Kawasaki | Japan | Recruiting |
| Katayama Medical Clinic ( Site 9005) Coordinator of this site? Confirm its status | Kurashiki | Japan | Recruiting |
| Chibaken Saiseikai Narashino Hospital ( Site 9000) Coordinator of this site? Confirm its status | Narashino | Japan | Recruiting |
| National Center for Geriatrics and Gerontology ( Site 9002) Coordinator of this site? Confirm its status | Ōbu | Japan | Recruiting |
| Okayama City General Medical Center Okayama City Hospital ( Site 9008) Coordinator of this site? Confirm its status | Okayama | Japan | Recruiting |
| Tokyo Medical University Hospital ( Site 9003) Coordinator of this site? Confirm its status | Shinjuku | Japan | Recruiting |
| Mie University Hospital ( Site 9011) Coordinator of this site? Confirm its status | Tsu | Japan | Recruiting |
| Hanyang University Hospital ( Site 0200) Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Ewha Womans University Seoul Hospital ( Site 0201) Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Samsung Medical Center ( Site 0202) Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Brain Research Center Amsterdam B.V. Coordinator of this site? Confirm its status | Amsterdam | Netherlands | Recruiting |
| Brain Research Center Den Bosch B.V. Coordinator of this site? Confirm its status | 's-Hertogenbosch | Netherlands | Recruiting |
| Brain Research Center Zwolle B.V. Coordinator of this site? Confirm its status | Zwolle | Netherlands | Recruiting |
| Tan Tock Seng Hospital ( Site 0102) Coordinator of this site? Confirm its status | Singapore | Singapore | Recruiting |
| National Neuroscience Institute ( Site 0101) Coordinator of this site? Confirm its status | Singapore | Singapore | Recruiting |
| Alzheimer Disease Research Center (ADRC) ( Site 1000) Coordinator of this site? Confirm its status | Albany | United States | Recruiting |
| JEM Research Institute ( Site 1046) Coordinator of this site? Confirm its status | Atlantis | United States | Recruiting |
| Gadolin Research ( Site 1032) Coordinator of this site? Confirm its status | Beaumont | United States | Recruiting |
| Clinical Research Professionals ( Site 1004) Coordinator of this site? Confirm its status | Chesterfield | United States | Completed |
| Horizon Clinical Research Center - Houston ( Site 1026) Coordinator of this site? Confirm its status | Cypress | United States | Recruiting |
| CenExel iResearch, LLC ( Site 1015) Coordinator of this site? Confirm its status | Decatur | United States | Recruiting |
| Alexian Brothers Medical Center-Neurosciences ( Site 1017) Coordinator of this site? Confirm its status | Elk Grove Village | United States | Recruiting |
| Neuropsychiatric Research Center of Southwest Florida ( Site 1003) Coordinator of this site? Confirm its status | Fort Myers | United States | Recruiting |
| Insight Clinical Trials ( Site 1011) Coordinator of this site? Confirm its status | Independence | United States | Recruiting |
| Irvine Clinical Research ( Site 1041) Coordinator of this site? Confirm its status | Irvine | United States | Recruiting |
| Healthy Brain Clinic ( Site 1005) Coordinator of this site? Confirm its status | Long Beach | United States | Recruiting |
| Inglewood Clinical ( Site 1062) Coordinator of this site? Confirm its status | Los Angeles | United States | Recruiting |
| K2 Medical Research ( Site 1047) Coordinator of this site? Confirm its status | Maitland | United States | Recruiting |
| CenExel- AMRI ( Site 1018) Coordinator of this site? Confirm its status | Marlton | United States | Recruiting |
| AMC Research, LLC ( Site 1006) Coordinator of this site? Confirm its status | Matthews | United States | Recruiting |
| ClinCloud LLC ( Site 1039) Coordinator of this site? Confirm its status | Melbourne | United States | Recruiting |
| Indago Research and Health Center Inc ( Site 1044) Coordinator of this site? Confirm its status | Miami Lakes | United States | Recruiting |
| Aqualane Clinical Research ( Site 1035) Coordinator of this site? Confirm its status | Naples | United States | Recruiting |
| Yale University, Alzheimer's Disease Research Unit ( Site 1059) Coordinator of this site? Confirm its status | New Haven | United States | Recruiting |
| Suncoast Clinical Research ( Site 1007) Coordinator of this site? Confirm its status | New Port Richey | United States | Recruiting |
| Boston Center for Memory ( Site 1008) Coordinator of this site? Confirm its status | Newton | United States | Recruiting |
| Mid Hudson Medical Research ( Site 1050) Coordinator of this site? Confirm its status | New Windsor | United States | Recruiting |
| Neuro-Behavioral Clinical Research ( Site 1028) Coordinator of this site? Confirm its status | North Canton | United States | Recruiting |
| Renstar Medical Research ( Site 1012) Coordinator of this site? Confirm its status | Ocala | United States | Recruiting |
| Charter Research - Orlando ( Site 1051) Coordinator of this site? Confirm its status | Orlando | United States | Recruiting |
| Flourish Research ( Site 1048) Coordinator of this site? Confirm its status | Plymouth Meeting | United States | Recruiting |
| Basil Clinical ( Site 1065) Coordinator of this site? Confirm its status | Queens | United States | Recruiting |
| Anderson Clinical Research ( Site 1024) Coordinator of this site? Confirm its status | Redlands | United States | Recruiting |
| The Cognitive and Research Center of New Jersey - Ridgewood ( Site 1064) Coordinator of this site? Confirm its status | Ridgewood | United States | Recruiting |
| UCSF Memory and Aging Center ( Site 1031) Coordinator of this site? Confirm its status | San Francisco | United States | Recruiting |
| Syrentis Clinical Research ( Site 1001) Coordinator of this site? Confirm its status | Santa Ana | United States | Recruiting |
| The Cognitive and Research Center of NJ ( Site 1057) Coordinator of this site? Confirm its status | Springfield | United States | Recruiting |
| Axiom Brain Health ( Site 1029) Coordinator of this site? Confirm its status | Tampa | United States | Recruiting |
| K2 Medical Research ( Site 1020) Coordinator of this site? Confirm its status | Tampa | United States | Recruiting |
| Charter Research - Lady Lake ( Site 1019) Coordinator of this site? Confirm its status | The Villages | United States | Recruiting |
| Conquest Research LLC ( Site 1053) Coordinator of this site? Confirm its status | Winter Park | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.