NCT03048968

Brief Summary

The purpose of this study was to investigate the effects of the new wearable hip assist robot, gait enhancing and motivating system (GEMS) developed by Samsung Advanced Institute of Technology (Samsung Electronics Co, Ltd., Korea) on gait, sit-to-stand movement and cortical activation in elderly adults and stroke patients.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable stroke

Timeline
Completed

Started Mar 2017

Shorter than P25 for not_applicable stroke

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 6, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

February 9, 2017

Completed
20 days until next milestone

Study Start

First participant enrolled

March 1, 2017

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2017

Completed
23 days until next milestone

Study Completion

Last participant's last visit for all outcomes

October 23, 2017

Completed
Last Updated

April 29, 2019

Status Verified

April 1, 2019

Enrollment Period

7 months

First QC Date

February 6, 2017

Last Update Submit

April 25, 2019

Conditions

Keywords

Exoskeleton Deviceelderlystroke

Outcome Measures

Primary Outcomes (1)

  • Cortical activation

    Cortical activation is measured by functional Near-Infrared-Spectroscopy (fNIRS) (NIRScout, NIRx, Germany) during treadmill gait.

    30minutes

Secondary Outcomes (7)

  • Berg Balance Scale (BBS)

    30minutes

  • Fall Efficacy Scale (FES)

    20minutes

  • Manual Muscle Test (MMT)

    20minutes

  • Range of Motion (ROM)

    20minutes

  • Functional Ambulation Classification (FAC)

    20minutes

  • +2 more secondary outcomes

Study Arms (2)

study group1: elderly adults

EXPERIMENTAL

Gait, sit-to-stand movement, stair climbing and treadmill gait with GEMS and without GEMS

Procedure: Gait, sit-to-stand movement, stair climbing and treadmill gaitDevice: gait enhancing mechatronic system (GEMS)Device: treadmill

study group2: stroke patients

EXPERIMENTAL

Sit-to-stand movement and treadmill gait with GEMS and without GEMS

Procedure: Sit-to-stand movement and treadmill gaitDevice: gait enhancing mechatronic system (GEMS)Device: treadmill

Interventions

Spatio temporal characteristics, muscle activation and foot pressure distribution are measured by motion capture system, surface electromyography (sEMG) and F-Scan Mobile system during 10m walking test. Muscle activation and foot pressure distribution are measured by surface electromyography (sEMG) and F-Scan Mobile system during five times sit-to-stand test.Muscle activation and foot pressure distribution are measured by surface electromyography (sEMG) and F-Scan Mobile system during stair climbing. Cortical activation is measured by functional Near-Infrared-Spectroscopy (fNIRS) (NIRScout, NIRx, Germany) during treadmill gait.

study group1: elderly adults

Muscle activation and foot pressure distribution are measured by surface electromyography (sEMG) and F-Scan Mobile system during five times sit-to-stand test. Cortical activation is measured by functional Near-Infrared-Spectroscopy (fNIRS) (NIRScout, NIRx, Germany) during treadmill gait.

study group2: stroke patients

Gait, sit-to-stand movement, stair climbing and treadmill gait with GEMS and without GEMS in elderly adults. Sit-to-stand movement and treadmill gait with GEMS and without GEMS in stroke patients.

study group1: elderly adultsstudy group2: stroke patients
treadmillDEVICE

Cortical activation is measured by functional Near-Infrared-Spectroscopy (fNIRS) (NIRScout, NIRx, Germany) during treadmill gait.

study group1: elderly adultsstudy group2: stroke patients

Eligibility Criteria

Age20 Years - 84 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Elderly adults
  • Age: between 65 and 84 years
  • elderly adults who had no neurological or musculoskeletal abnormalities affecting gait
  • Ability to walk at least 10m regardless of assist devices
  • Stroke
  • Age: between 20 and 84 years
  • ≥ 3 months post stroke
  • Ability to walk at least 10m regardless of assist devices
  • Adequate gait function (FAC \> 3)
  • Physician approval for patient participation

You may not qualify if:

  • Elderly adults
  • History of any diseases (eg. lower extremity orthopedic diseases, neurologic disorders, cardiovascular disease, heart failure, uncontrolled hypertension that affect walking capacity, efficiency, and endurance)
  • Severe visual impairment or dizziness that increases the risk of falls
  • Stroke
  • Serious cardiac conditions (hospitalization for myocardial infarction or heart surgery within 3 months, history of congestive heart failure, documented serious and unstable cardiac arrhythmias, hypertrophic cardiomyopathy, severe aortic stenosis, angina or dyspnea at rest or during activities of daily living)
  • Advanced liver, kidney, cardiac, or pulmonary disease
  • History of concussion in last 6 months
  • History of unexplained, recurring headaches, epilepsy/seizures/skull fractures or skull deficits
  • Preexisting neurological disorders such as Parkinson's disease, Amyotrophic Lateral Sclerosis (ALS), Multiple Sclerosis (MS), dementia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Samsung Medical Center

Seoul, South Korea

Location

Related Publications (1)

  • Lee SH, Lee HJ, Shim Y, Chang WH, Choi BO, Ryu GH, Kim YH. Wearable hip-assist robot modulates cortical activation during gait in stroke patients: a functional near-infrared spectroscopy study. J Neuroeng Rehabil. 2020 Oct 29;17(1):145. doi: 10.1186/s12984-020-00777-0.

MeSH Terms

Conditions

Stroke

Interventions

GaitStair ClimbingExercise Test

Condition Hierarchy (Ancestors)

Cerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

Physical ExaminationDiagnostic Techniques and ProceduresDiagnosisWalkingLocomotionMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological PhenomenaExerciseMotor ActivityHeart Function TestsDiagnostic Techniques, CardiovascularRespiratory Function TestsDiagnostic Techniques, Respiratory SystemErgometryInvestigative Techniques

Study Officials

  • Yun-Hee Kim

    Samsung Medical Center

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor, MD, PhD

Study Record Dates

First Submitted

February 6, 2017

First Posted

February 9, 2017

Study Start

March 1, 2017

Primary Completion

September 30, 2017

Study Completion

October 23, 2017

Last Updated

April 29, 2019

Record last verified: 2019-04

Data Sharing

IPD Sharing
Will not share

Locations