Could a common cholesterol drug boost brain blood flow in early memory loss?
NCT ID NCT04765137
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
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2021
- Expected to finish
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Dec 2027
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 95 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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 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.
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 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
Locations
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Johns Hopkins University, Bayview Medical Center
RECRUITINGBaltimore, Maryland, 21224, United States
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