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Sound wave therapy aims to spark memory in early Alzheimer's

NCT ID NCT05417555

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 20, 2026 · Updated 2 times

Summary

This study tests a non-invasive technique called Low Intensity Focused Ultrasound Pulsation (LIFUP) to see if it can safely increase brain activity and improve memory in people with mild cognitive impairment or mild Alzheimer's disease. Participants will receive ultrasound to a key memory area of the brain and undergo MRI scans and memory tests. The goal is to find a new way to ease memory symptoms without surgery or medication.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

120 people

The number who actually took part.

Started

Sep 2022

Expected to finish

Sep 2026

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

50 to 90 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria * Amnestic MCI or Mild Alzheimer's diagnosis * Age 50-90 * English-speaking * Ability to provide informed consent * Normal or corrected-to-normal hearing and vision Exclusion Criteria GENERAL * Participation in another clinical trial * Active use of immunotherapeutic medications for cognition (Aduhelm, Leqembi, Kisunla) * Moderate to Severe Alzheimer's * Inability to provide informed consent MRI-Related: * Weight exceeding 275 pounds * Pregnancy, suspicion of pregnancy, or attempting to become pregnant * Claustrophobia * Difficulties during previous MRIs * Top permanent retainer (bottom only is okay), 5 or more non-removable gold-teeth, metal braces, top spacers, and/or palate expanders * Any of the following implants: Cardiac Pacemaker, Aneurysm clips, Cochlear implants, Defibrillator, Electrodes or wires, Magnetically-activated device, Spinal cord stimulator, Infusion or insulin pumps, Implanted drug infusion device, Deep brain stimulation device * Non-removable hairpieces, hairpiece extensions, and/or piercings * Facial tattoos or permanent makeup * Metal implants that are MR-incompatible, or where participant is unable to provide sufficient information to determine MR compatibility * Previous injury by metallic foreign body (e.g., bullet, BB, shrapnel) where the object entered the body and participant lacks doctor's confirmation that it was fully removed Medical: * Diagnosis of one or more of the following neurological disorders: Parkinson's disease, Lou Gehrig's disease (ALS), Multiple sclerosis, Cerebral Palsy * Diagnosis of one or more of the following genetic disorders: Cystic Fibrosis, Sickle Cell Disease * Diagnosis of one or more of the following psychiatric disorders: Bipolar, Psychosis * Psychiatric illness that has not been controlled for at least two months (if controlled \>2 months, with or without medication, they are not exclusionary) * Severe lung, liver, heart, and/or kidney disease/s (e.g., heart failure, liver failure, and etc...) * Diagnosis of thyroid disorder or change of thyroid medication dose within the last 3 months * Cancer treatment/s with chemotherapy and/or radiation to head and neck, or stage 4 (metastatic) cancer * Autoimmune disorder or viral infection such as HIV, COVID 19, or hepatitis C that has caused current problems with cognition/memory * History of substance abuse in the past year * History of stroke (Transient ischemic attack / mini-stroke not exclusionary if symptoms lasted \<1 week) * History of 2 or more seizures or diagnosis of epilepsy, unless the seizures occurred prior to age 5 alongside a fever. * History of brain tumor, brain aneurysm, brain hemorrhage, or subdural hematoma (transient ischemic attack not exclusionary) * Head injury that resulted in loss of consciousness lasting \>30 minutes, cognitive issues lasting \>18 months, and/or brain abnormalities visible in CT or MRI scan * Uncontrolled high blood pressure or diabetes * Heart attack within the last year

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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.

Contacts and locations

Locations

  • UCLA Semel Institute for Neuroscience and Behavior

    Los Angeles, California, 90024, United States

More trials for these conditions

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