Feasibility of Home-based tES for Older Adults at Risk of Falling

Description

In this project, the investigators propose to demonstrate the feasibility of remotely-monitored, caregiver (or spouse)-administered, home-based tES (transcranial electrical stimulation) intervention to improve mobility in ambulatory older adults with recent falls. This is a four-phase feasibility study in older, ambulatory adult participants at risk of falling due to a loss of balance (participant faller, PF) together with a willing and able participant administrator (PA) that is available during weekdays to administer tES to the PF. Phase 1 is focused on the development and refinement of our training materials for home-based tDCS (transcranial direct current stimulation) for PF/PA pairs. The objectives of this phase: 1. Identify areas of confusion and challenges for older adults. 2. Refine our training materials to accompany the home-based tDCS system. In Phase 2, the investigators will complete a pilot trial in 12 PF/PA pairs to assess the feasibility of deploying home-based tES in larger clinical trials, and to prepare for the development and implementation of such trials. The objectives of this phase: 1. Determine the mean/range number of visits needed for in-person training. 2. Compliance and retention with the study protocol. 3. Safety/side effects of home-based tES, as compared to previously established laboratory-based tES data. The investigators hypothesize that adult PAs are able to successfully administer home-based tES to PFs. The investigators also expect that PF/PA pairs will exhibit excellent adherence to the intervention and that the prevalence and severity of reported tDCS side-effects will be similar to that observed in previous laboratory-based studies. In Phase 3, the investigators will complete a pilot trial in up to 18 PF/PA pairs; i.e., those who have previously successfully completed either Phase 1 or Phase 2. The study objectives/aims for Phase 3 are: 1. Further explore compliance and retention with the study protocol over a longer time period 2. Identify safety/side effects of home-based tES over a longer time-period as compared to previously established laboratory-based tDCS interventions. In Phase 3, the investigators hypothesize that adult PA's who have previously demonstrated the ability to successfully administer tES at home, will retain competence and compliance with administration over a longer period, up to 1 year. In Phase 4, we will complete a pilot trial in up to 18 PF/PA teams; those who have previously successfully completed Phase 3. The study objective/aims for Phase 4 will be to: 1. Identify Safety, effectiveness and adherence to home-based tES over longer period of time as compared to previously established laboratory-based tES interventions. 2. Further explore the proof of Concept for the home-based tES interventions In Phase 4 we hypothesize that adult PA's who have previously demonstrated the ability to successfully administer tES at home, will adhere with the study protocol over a longer period of time, up to 3 years.

Conditions

Aging, Accidental Falls

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Study Overview

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Study Details

Study overview

In this project, the investigators propose to demonstrate the feasibility of remotely-monitored, caregiver (or spouse)-administered, home-based tES (transcranial electrical stimulation) intervention to improve mobility in ambulatory older adults with recent falls. This is a four-phase feasibility study in older, ambulatory adult participants at risk of falling due to a loss of balance (participant faller, PF) together with a willing and able participant administrator (PA) that is available during weekdays to administer tES to the PF. Phase 1 is focused on the development and refinement of our training materials for home-based tDCS (transcranial direct current stimulation) for PF/PA pairs. The objectives of this phase: 1. Identify areas of confusion and challenges for older adults. 2. Refine our training materials to accompany the home-based tDCS system. In Phase 2, the investigators will complete a pilot trial in 12 PF/PA pairs to assess the feasibility of deploying home-based tES in larger clinical trials, and to prepare for the development and implementation of such trials. The objectives of this phase: 1. Determine the mean/range number of visits needed for in-person training. 2. Compliance and retention with the study protocol. 3. Safety/side effects of home-based tES, as compared to previously established laboratory-based tES data. The investigators hypothesize that adult PAs are able to successfully administer home-based tES to PFs. The investigators also expect that PF/PA pairs will exhibit excellent adherence to the intervention and that the prevalence and severity of reported tDCS side-effects will be similar to that observed in previous laboratory-based studies. In Phase 3, the investigators will complete a pilot trial in up to 18 PF/PA pairs; i.e., those who have previously successfully completed either Phase 1 or Phase 2. The study objectives/aims for Phase 3 are: 1. Further explore compliance and retention with the study protocol over a longer time period 2. Identify safety/side effects of home-based tES over a longer time-period as compared to previously established laboratory-based tDCS interventions. In Phase 3, the investigators hypothesize that adult PA's who have previously demonstrated the ability to successfully administer tES at home, will retain competence and compliance with administration over a longer period, up to 1 year. In Phase 4, we will complete a pilot trial in up to 18 PF/PA teams; those who have previously successfully completed Phase 3. The study objective/aims for Phase 4 will be to: 1. Identify Safety, effectiveness and adherence to home-based tES over longer period of time as compared to previously established laboratory-based tES interventions. 2. Further explore the proof of Concept for the home-based tES interventions In Phase 4 we hypothesize that adult PA's who have previously demonstrated the ability to successfully administer tES at home, will adhere with the study protocol over a longer period of time, up to 3 years.

Feasibility of Home-based tES for Older Adults at Risk of Falling

Feasibility of Home-based tES for Older Adults at Risk of Falling

Condition
Aging
Intervention / Treatment

-

Contacts and Locations

Roslindale

Hebrew Rehabilitation Center, Roslindale, Massachusetts, United States, 02131

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Inclusion criteria will be the same for PF/PA pairs in both Phase 1 and Phase 2 of the study. All participant pairs who complete either Phase 1 or 2 will be eligible to complete Phase 3. All participant teams who complete Phase 3 in its entirety will be eligible to complete Phase 4
  • * Aged 60+
  • * Self-report of one or more falls within the past year, and/or concern of falling in the future, and/or self-report of Parkinson's disease.
  • * Able to read, write, and communicate in English
  • * Able to identify an eligible PA to participate with them in the study
  • * At least 21 years of age
  • * Able to read, write, and communicate in English
  • * Self-reported computer proficiency and willingness to learn how to use tDCS
  • * Stated availability during weekdays throughout the study period to administer tDCS to the PF
  • * Exclusion criteria will be the same for PF/PA pairs in both Phase 1 and Phase 2 of the study.
  • * Evidence of cognitive impairment that would likely interfere with one's ability to understand the study protocol, risks/benefits, and testing procedures. This will be defined as self-reported diagnosis of Alzheimer's disease or dementia, a score of ≤19 on the Telephone Interview for Cognitive Status (TICS) at the time of telephone screening, a score of 18 or less on the Montreal Cognitive Assessment (MoCA) during the in-person screen, or an inability to understand study procedures following review of the Informed Consent form.
  • * Inability to stand or ambulate unassisted for at least 25 feet.
  • * Contraindications to tDCS, including a reported seizure within the past two years, use of neuro-active drugs, the risk of metal objects in the brain, skull, or head, self-reported presence of specific implanted medical devices (e.g., deep brain stimulator, medication infusion pump, cochlear implant), or the presence of any active, uncontrolled dermatological condition, such as eczema, on the scalp.
  • * Mild cognitive impairment defined by a TICS score ≤34 during the phone screen, a MoCA score ≤24 during the in-person screen, or insufficient understanding of study procedures following review of the Informed Consent form.
  • * Poor eyesight, severe arthritis in the hands, pain, deformity or other condition that interferes with successful administration of tDCS.

Ages Eligible for Study

60 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

Hebrew SeniorLife,

Brad Manor, PhD, PRINCIPAL_INVESTIGATOR, Hebrew SeniorLife

Study Record Dates

2026-01-30