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Could a common cholesterol drug boost brain blood flow in early memory loss?

NCT ID NCT04765137

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time

Summary

This pilot trial investigates whether atorvastatin, a widely used cholesterol medication, can improve the ability of brain blood vessels to expand and increase blood flow in people with mild cognitive impairment (MCI). Participants take 40 mg of atorvastatin nightly for a period, and researchers use MRI scans to measure changes in vessel reactivity. The study also looks at markers from blood cells and cognitive test scores. It includes 20 adults with MCI who are not currently on statins.

What this could mean

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

Active substance
atorvastatin (Lipitor)
What this could lead to
If it works, this could point toward a way to improve brain blood flow and potentially slow cognitive decline in people with mild cognitive impairment.
What could go wrong
This is a small pilot trial with only 20 participants, so results may not apply broadly. Atorvastatin can cause muscle pain or liver issues in some people.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 20 people

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

Started

May 2021

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

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

60 to 95 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 are chosen to include participants with MCI, enriched for vascular risk factors: * MCI defined by Clinical Dementia Rating (CDR) of 0.5 or 1.0. * Memory, processing speed, executive function, language - cognitive scores \> 1.5 standard deviations below age-education norms. * Not demented by history. * Not taking statins currently or in the last 6 months. * Cognitive/functional impairment not likely due to another neurological disease or delirium. Exclusion Criteria: * Taking a statin currently or have taken a statin in the last 6 months. * Contraindications to taking a statin. * Transplant patient taking cyclosporine. * Unable to undergo MRI procedures (such as having an implanted pacemaker or defibrillator or stimulator or having non MRI compatible metal). * Diagnosis of dementia by history. * Current diagnosis of substance abuse. * History of stroke or myocardial infarction in past 6 months. * History of HIV.

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction

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

    1 site. 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

  • Johns Hopkins University, Bayview Medical Center

    RECRUITING

    Baltimore, Maryland, 21224, United States

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