Transcranial Magnetic Stimulation for Apathy in Mild Cognitive Impairment

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

103 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-11-01

Study Completion Date

2024-10-31

Brief Summary

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Apathy, a profound loss of initiative and motivation, is often seen in older Veterans with memory problems. Apathy leads to serious health problems, increases dependency, and caregiver burden. If untreated, apathy hastens the progression to frank dementia. In a pilot study, the investigators found that apathy, working memory, and function can be restored using magnetic stimulation in some but not all older Veterans. The reason for this variation is unknown. The investigators propose a three-phase study in 125 older Veterans with mild memory problems. Their motivation, memory, and function will be measured periodically. Veterans with apathy that are eligible for treatment will receive either real or sham magnetic stimulation to the front part of their brain over 20 sessions. Genetic testing and biomarkers will be used to differentiate those who respond to magnetic stimulation from those who do not. Impact on function, quality of life, and rates of progression to dementia will also be studied.

A project modification was obtained to conduct a cross-sectional study, the COVID Dementia study. The cross-sectional study will examine the effect of the pandemic on MCI and AD patients and their caregivers ("individual COVID-related factors" such as, personally infected, death of a friend/family member, economic hardship, disruption in care, isolation), barriers to telehealth, caregiver distress, NPS, cognition (including onset of delirium), and function. Our goal is to develop a multi-pronged, remotely deliverable intervention to address consequences of healthcare disruptions in older Veterans with cognitive impairment.

Aim 1. To explore the association between COVID-related factors and neuropsychiatric symptoms in individuals with MCI and AD. Hypothesis: The number of COVID-related factors endorsed by caregivers will be positively correlated with the severity of NPI-Q in individuals with MCI and AD.

Aim 2. To assess cognition (telephonic version of the Montreal Cognitive Assessment; tMoCA12, and daily function (Functional Activities Questionnaire; FAQ13). Hypothesis: The number of COVID-related factors will be positively correlated with the severity of cognitive and functional deficits in individuals with MCI and AD.

Aim 3. To explore the associations among COVID-related factors and caregiver distress. Hypothesis: Caregiver resilience and perceived social support will modify the association between COVID-related factors and severity of distress in caregivers.

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Detailed Description

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Apathy, a profound loss of initiative and motivation, is often seen in older Veterans with memory problems. Apathy leads to serious health problems, increases dependency, and caregiver burden. If untreated, apathy hastens the progression to frank dementia. In a pilot study, the investigators found that apathy, working memory, and function can be restored using magnetic stimulation in some but not all older Veterans. The reason for this variation is unknown. The investigators propose a three-phase study in 125 older Veterans with mild cognitive impairment. Their motivation, other behavioral problems, memory, and function will be measured periodically. Veterans with apathy that are eligible for treatment will receive either real or sham magnetic stimulation to the dorsolateral prefrontal cortex over 20 daily sessions on consecutive week days. Genetic testing and biomarkers will be used to differentiate those who respond to magnetic stimulation from those who do not. Impact on function, quality of life, and rates of progression to dementia will also be studied.

A project modification was obtained to conduct a cross-sectional study, the COVID Dementia study. The cross-sectional study will examine the effect of the pandemic on MCI and AD patients and their caregivers ("individual COVID-related factors" such as, personally infected, death of a friend/family member, economic hardship, disruption in care, isolation), barriers to telehealth, caregiver distress, NPS, cognition (including onset of delirium), and function. Our goal is to develop a multi-pronged, remotely deliverable intervention to address consequences of healthcare disruptions in older Veterans with cognitive impairment.

Aim 1. To explore the association between COVID-related factors and neuropsychiatric symptoms in individuals with MCI and AD. Hypothesis: The number of COVID-related factors endorsed by caregivers will be positively correlated with the severity of NPI-Q in individuals with MCI and AD.

Aim 2. To assess cognition (telephonic version of the Montreal Cognitive Assessment; tMoCA12, and daily function (Functional Activities Questionnaire; FAQ13). Hypothesis: The number of COVID-related factors will be positively correlated with the severity of cognitive and functional deficits in individuals with MCI and AD.

Aim 3. To explore the associations among COVID-related factors and caregiver distress. Hypothesis: Caregiver resilience and perceived social support will modify the association between COVID-related factors and severity of distress in caregivers.

Conditions

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Apathy Mild Cognitive Impairment Transcranial Magnetic Stimulation Loneliness COVID Neuropsychiatric Symptoms

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Apathy +, rTMS -

This arm will be followed without intervention

Group Type NO_INTERVENTION

No interventions assigned to this group

rTMS

This group will be randomized to receive rTMS treatment

Group Type ACTIVE_COMPARATOR

Transcranial Magnetic Stimulation

Intervention Type DEVICE

rTMS

Sham

This group will be randomized to receive sham treatment

Group Type SHAM_COMPARATOR

Transcranial Magnetic Stimulation

Intervention Type DEVICE

rTMS

Interventions

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Transcranial Magnetic Stimulation

rTMS

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* meeting the modified Mayo Clinic criteria for MCI
* Having caregivers
* apathy threshold (NPI)
* MMSE 23
* On stable dose of antidepressants for at least a month (if applicable)

Exclusion Criteria

PHASE I

* Uncontrolled diabetes mellitus (Fasting BS\>200mg/dl, HbA1c\>10)
* Renal disease requiring dialysis
* Uncontrolled blood pressure (\>160/100, \<100 systolic)
* Metastatic cancer or undergoing chemotherapy
* Deep venous thrombosis or myocardial infarction in past 3 months
* Uncontrolled malignant cardiac arrhythmia
* Cerebral aneurysm or intracranial bleed in past year
* Unstable angina in past month
* Unstable abdominal or thoracic aortic aneurysm (\>4cm)
* End-stage congestive heart failure

EXCLUSIONARY DUE TO rTMS: ALL PHASE II AND SUBSET OF PHASE I THAT RECEIVE SINGLE SESSION rTMS

* Taking medications known to increase risk of seizures from 2012 Beers criteria such as bupropion, chlorpromazine, clozapine.
* Taking other medications known to increase risk of seizures such as tricyclic antidepressants.
* Taking ototoxic medications: Aminoglycosides, Cisplatin
* History of seizures/ seizures in first degree relatives
* Those with implanted device
* History of stroke, aneurysm, or cranial neurosurgery
* History of bipolar disorder
* Current alcohol related disorder needing medical treatment
* History of Tourette's syndrome or presence of motor tics
* History of abnormal electroencephalogram (EEG)

EXCLUSIONARY DUE TO CONFOUNDING WITH APATHY: PHASE II

* Current episode of Major Depressive Disorder
* Current use of stimulants
* Change in dose of dementia medications within 30 days
* Change in dose of antidepressants within 30 days

Minimum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes