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New Alzheimer's drug enters human safety trials

NCT ID NCT06657768

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This early-stage study tests a new drug called LY4006895 in healthy volunteers and people with early symptomatic Alzheimer's disease. The main goal is to check if the drug is safe and how the body processes it. The study has two parts: a single dose in healthy people and multiple doses in Alzheimer's patients over several months.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
LY4006895
What this could lead to
If this drug is safe and shows promise, it could lead to a new treatment option for early Alzheimer's disease.
What could go wrong
This is an early Phase 1 trial focused on safety, not effectiveness. The drug may not work or could have side effects. Results are years away from any potential treatment.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 128 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2024

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

45 to 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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 for Part A and Part B: \- Have a body mass index (BMI) within the range 18 to 40 kilogram per square meter (kg/m²) For Part A: * Are overtly healthy as determined by medical evaluation. Rescreening is not allowed in this study For Part B: * Have early symptomatic AD, as defined by: * Gradual and progressive change in memory function for at least 6 months, as reported by the participant or informant * A Mini-Mental State Exam (MMSE) score of 18 to 30 at screening * A Clinical Dementia Rating (CDR) global score of 0.5 to 1.0 (inclusive), with a memory box score greater than or equal to 0.5 at screening * Have up to 2 reliable study partners who are in frequent contact with the participant (defined as at least 10 hours per week), one of whom at any one occasion: will accompany the participant to the study visits, will be available by telephone at designated times, and will provide a separate written informed consent to participate Exclusion Criteria for Part A and Part B: * Current serious or unstable illnesses including cardiovascular, hepatic, renal, gastroenterological, respiratory, endocrinologic, neurologic (MAD: other than AD), psychiatric, immunologic, or hematologic disease and other conditions that, in the investigator's opinion, could interfere with the participant's ability to complete the study; or has a life expectancy of less than 24 months * Have screening hemoglobin (Hb) less than 12 grams per deciliter (g/dL) or evidence of iron-deficiency (ferritin less than 30 nanograms per milliliter (ng/mL), or presence/history of hemoglobinopathy * Are, in the judgment of the investigator, actively suicidal and therefore deemed to be at significant risk for suicide * Regularly use known drugs of abuse and/or show positive findings on urinary drug screening that cannot be explained by regular concomitant medications * Have previous exposure to any anti-tau therapy * Are pregnant or intend to become pregnant or to breastfeed during the study For Part B: * Have a current exposure to an amyloid targeted therapy. Prior exposure to amyloid targeted therapies greater than 1 year from the last dose may be permitted at the discretion of the investigator and in consultation with the sponsor. A listing of amyloid targeted therapies will be provided * Have a sensitivity to florataucipir 18F * Have contraindication to magnetic resonance imaging (MRI) including claustrophobia or the presence of contraindicated metal (ferrogmagnetic) implants/cardiac pacemaker

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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.

  1. The places running it

    13 sites in 2 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

Locations

  • Aqualane Clinical Research

    NOT_YET_RECRUITING

    Naples, Florida, 34105, United States

  • Atlanta Center of Medical Research

    RECRUITING

    Atlanta, Georgia, 30331, United States

  • CenExel iResearch, LLC (CenExel iRA)

    RECRUITING

    Decatur, Georgia, 30030, United States

  • CenExel-HRI

    RECRUITING

    Marlton, New Jersey, 08053, United States

  • Collaborative Neuroscience Network - CNS

    RECRUITING

    Los Alamitos, California, 90720, United States

  • Duke Early Phase Research Unit

    NOT_YET_RECRUITING

    Durham, North Carolina, 27710, United States

  • K2 Medical Research

    RECRUITING

    Maitland, Florida, 32751, United States

  • K2 Medical Research - Tampa

    NOT_YET_RECRUITING

    Tampa, Florida, 33634, United States

  • K2 Medical Research - The Villages

    RECRUITING

    Lady Lake, Florida, 32159, United States

  • National Center for Geriatrics and Gerontology

    NOT_YET_RECRUITING

    Ōbu, 4748511, Japan

  • Progressive Medical Research

    NOT_YET_RECRUITING

    Port Orange, Florida, 32127, United States

  • QUEST Research Institute

    NOT_YET_RECRUITING

    Farmington Hills, Michigan, 48334, United States

  • The University of Tokyo Hospital

    NOT_YET_RECRUITING

    Bunkyō City, 113-8654, Japan

More trials for these conditions

Other studies related to the condition(s) this trial covers.