Could a Vaccine-Like shot slow Alzheimer's? new trial launches
NCT ID NCT05606341
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This early-stage trial tests a drug called CpG1018, which aims to stimulate the immune system to fight Alzheimer's disease. It involves 18 people with mild cognitive impairment or mild Alzheimer's. The main goal is to check safety, not yet to see if it works.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- CpG1018 (a drug that stimulates the immune system)
- What this could lead to
- If safe, this could point toward a new way to slow early Alzheimer's by boosting the body's natural immune response.
- What could go wrong
- This is a very early, small Phase 1 trial focused on safety, not effectiveness. It may not show any benefit, and there are risks like autoimmune reactions or brain swelling.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 18 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2023
- Expected to finish
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Nov 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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60 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. 65-85 years of age 2. MCI due to AD or mild AD dementia per NIA-AA specified criteria published in 2018 3. Montreal Cognitive Assessment (MoCA) score ≥17 AND; 4. Positive Florbetaben PET amyloid scan, or other positive PET amyloid scan performed within one year of study enrollment 5. Must be able to provide consent or assent (If applicable). 6. Must be willing and able to participate in all study related procedures. 7. Must have a reliable study partner to provide information on the subject's cognitive and functional status. Study partner must have sufficient contact with the subject, as determined by the PI, and be available to accompany the subject to clinic visits or by phone. Exclusion Criteria: 1. History of psychiatric illness (e.g. hallucinations, major depression, suicidal ideation or delusions) that could interfere with completion of study related procedures as determined by PI 2. History of autoimmune disorders or antibody-mediated disease, severe asthma, or other serious infection or systemic illness, as determined by PI 3. Use of corticosteroids or immunosuppressive drugs within 30 days of study entry 4. History of splenectomy 5. Renal impairment 6. Use of chloroquine within 8 weeks of study entry 7. Inability to undergo MRI imaging 8. History of TIA, stroke or seizures within 12 months of screening 9. Any neurological condition other than AD that could contribute to cognitive impairment (including related to possible "long COVID") as determined by PI 10. Participation in any other current AD investigational interventional trial 11. Current use of an anti-coagulant 12. Current use of drugs that are major substrates of cytochrome P450 (CYP) enzyme 1A2 13. Recent exposure to COVID-19 infection within 14 days or recent onset of symptoms within 14 days that may be related to COVID-19 infection
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
Locations
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NYU Langone Health
RECRUITINGNew York, New York, 10016, United States
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