Brain zapping shows promise for early Alzheimer's
NCT ID NCT05872243
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a non-invasive brain stimulation technique called rTMS, guided by each person's unique brain activity map, to see if it could improve thinking and memory in 46 people with mild Alzheimer's disease. Participants received either real or fake (placebo) stimulation over 15 days. The goal was to measure changes in cognitive test scores right after treatment and again 90 days later.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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46 people
The number who actually took part.
- Started
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Sep 2023
- Finished
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Mar 2025
- 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 90 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of probable Alzheimer's disease (probable AD) based on the AD diagnostic criteria proposed by NIA-AA. * Positive PET or positive cerebrospinal fluid test results for beta-amyloid (Aβ). * Elementary school education or higher. * MMSE scores between 20 and 26 (including 20 and 26), or 18 and 26 for those with elementary school education. * Clinical Dementia Scale (CDR) score of 1, indicating mild dementia. * Stable medication for Alzheimer's disease for at least 3 months prior to treatment. * Availability of a reliable caregiver who can assist and accompany the patient throughout the study. * Voluntary participation with signed informed consent by the patient or legal guardian. Exclusion Criteria: * Patients who have other causes of cognitive decline apart from AD, including but not limited to vascular dementia, Parkinson's disease dementia, dementia with Lewy bodies, frontotemporal dementia, and dementia due to endocrine system lesions or deficiencies of folic acid, vitamin B12 or other causes. * Patients with significant focal lesions seen on MRI, including more than two infarct foci larger than 2 cm in diameter, infarct foci in key areas such as the thalamus, hippocampus, internal olfactory cortex, pars oligo-cortical, angular gyrus, cortical and other subcortical gray matter nuclei. * Patients with moderate to severe cerebral white matter degeneration ( Fazekas score of 3-6). * Patients unable to undergo TMS treatment or MRI scan due to metallic foreign bodies, implanted electronic devices, or claustrophobia. * Patients with a history of seizures or epilepsy syndrome, or seizures within the past 12 months. * Patients with acute cardiovascular and cerebrovascular events within the 3 months prior to screening. * Patients with severe cardiac, pulmonary, hepatic, renal, and other systemic diseases that cannot be controlled with conventional medications. * Patients with malignant tumors or a life expectancy of less than 1 year due to reasons other than AD. * History of alcohol or drug abuse. * Having received other TMS treatments within the past three months. * Having participated, or is currently participating in other clinical trial programs within the past three months.
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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
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Xuanwu Hospital, Capital Medical University
Beijing, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.