Old drug, new hope? bumetanide trial targets Alzheimer's
NCT ID NCT06052163
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This Phase 2 trial tests bumetanide, a diuretic used for decades, in 40 people with early Alzheimer's. Researchers want to see if it is safe and might help slow cognitive decline. The study is double-blind and placebo-controlled, meaning neither patients nor doctors know who gets the real drug.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bumetanide (a diuretic, also known as Bumex)
- What this could lead to
- If successful, this could point toward a new, repurposed treatment to slow cognitive decline in early Alzheimer's disease.
- What could go wrong
- This is a small, early-phase trial focused on safety, not proof of effectiveness. Bumetanide can cause dehydration and electrolyte imbalances, especially in older adults.
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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2023
- Expected to finish
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Dec 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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50 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: * Mild cognitive impairment or mild dementia due to Alzheimer's disease. * Alzheimer's disease medications are planned to remain stable throughout. * Willingness and ability to complete all aspects of the study including assessments, neuropsychological testing, and MRI. Exclusion Criteria: * Clinically significant abnormalities in screening laboratory tests * Chronic liver disease * Renal insufficiency * Poorly managed hypertension * Participants taking the following concomitant medications, based on the current Prescribing Information for bumetanide: lithium, drugs with ototoxic potential, drugs with nephrotoxic potential, probenecid, and indomethacin.
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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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Stanford University
RECRUITINGStanford, California, 94305, United States
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