Non-invasive brain stimulation to enhance memory in Alzheimer's patients

Testing High Definition Transcranial Direct Current Stimulation (HD-tDCS) as Treatment of Mild Cognitive Impairment

NA · University of Michigan · NCT03875326

This study is testing whether different levels of non-invasive brain stimulation can help improve memory in people with mild cognitive impairment and Alzheimer's disease.

Quick facts

PhaseNA
Study typeInterventional
Enrollment240 (estimated)
Ages55 Years and up
SexAll
SponsorUniversity of Michigan (other)
Locations1 site (Ann Arbor, Michigan)
Trial IDNCT03875326 on ClinicalTrials.gov

What this trial studies

This research investigates the effects of varying doses of non-invasive brain stimulation on individuals with mild cognitive impairment (MCI) and dementia of the Alzheimer's type (DAT). The study aims to determine the optimal level of stimulation needed to improve memory and cognitive functions, while also assessing changes in brain activity through advanced imaging techniques like fMRI and PET scans. Participants will undergo cognitive tests and questionnaires to evaluate any improvements in their memory and related abilities. The findings could inform future treatment strategies for Alzheimer's disease.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with mild cognitive impairment or dementia of the Alzheimer's type who meet specific MRI compatibility criteria.

Not a fit: Patients with certain neurological or psychiatric conditions, or severe sensory impairments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved memory and cognitive function in patients with mild cognitive impairment and Alzheimer's disease.

How similar studies have performed: Other studies have shown promise with non-invasive brain stimulation techniques, suggesting potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Diagnosis of Mild Cognitive Impairment (MCI) or dementia of the Alzheimer's type (DAT)
2. Must be MRI compatible, criteria that also apply for High Definition transcranial direct current stimulation (HD-tDCS; e.g., absence of metallic or electronic implants in the upper body or head)
3. Stable on relevant medications for at least 4 weeks prior to study enrollment

Exclusion Criteria:

1. Certain neurological diseases
2. Certain psychiatric conditions
3. Severe sensory impairment

Where this trial is running

Ann Arbor, Michigan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Mild Cognitive Impairment, Dementia of Alzheimer Type, Dementia, Memory, Cognitive Rehabilitation, PET scan, fMRI, Brain Stimulation

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.