NCT02962453

Brief Summary

The aim of this study is to determine the clinical efficacy of gait rehabilitation robot through cortico-spinal-muscular pathway activation of the muscles remotely located from the end-effecter in patients after total knee arthroplasty.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2016

Shorter than P25 for not_applicable

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

Study Start

First participant enrolled

November 1, 2016

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

November 2, 2016

Completed
9 days until next milestone

First Posted

Study publicly available on registry

November 11, 2016

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 15, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 15, 2017

Completed
Last Updated

July 2, 2017

Status Verified

June 1, 2017

Enrollment Period

7 months

First QC Date

November 2, 2016

Last Update Submit

June 30, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change of Isometric muscle strength

    peak torque (Nm/㎡), Maximal ratio of torque development (RTD) (degree/sec)

    0 day( within 6 hours before the treatment start) and 5 day(within 6 hours after treatment stop)

Secondary Outcomes (4)

  • Change of Cortico-motor Excitability

    0 day( within 6 hours before the treatment start) and 5 day(within 6 hours after treatment stop)

  • Change of Spinal Motor-neuron Excitability

    0 day( within 6 hours before the treatment start) and 5 day(within 6 hours after treatment stop)

  • Change of Cross-sectional area and volume of thigh muscle

    0 day( within 6 hours before the treatment start) and 5 day(within 6 hours after treatment stop)

  • Change of Muscle work

    0 day( within 6 hours before the treatment start) and 5 day(within 6 hours after treatment stop)

Study Arms (2)

Morning walk

EXPERIMENTAL

Rehabilitation using end-effector type gait robot for 5days.

Device: Morning walk

Ground Walker

ACTIVE COMPARATOR

Rehabilitation using walker for 5days.

Device: Ground Walker

Interventions

gait training with Morning walk three times during 5 minutes with 5 minute break a day over 5 weekdays

Also known as: end-effector type robot
Morning walk

gait training with ground walker until corresponding 200 steps during 5 minutes with 5 minute break a day over 5 weekdays

Ground Walker

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Patients after Unilateral Total Knee Arthroplasty

You may not qualify if:

  • brain disease, spinal cord injury, peripheral neuropathy, myopathy
  • Inability to ambulate fully due to muscukoskeletal disorders
  • MMSE\<23
  • history of arthroplasty surgery on either of legs
  • Cardiac pacemaker
  • Refusal of participation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ulsan University Hospital

Ulsan, 682-714, South Korea

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associated Professor

Study Record Dates

First Submitted

November 2, 2016

First Posted

November 11, 2016

Study Start

November 1, 2016

Primary Completion

May 15, 2017

Study Completion

May 15, 2017

Last Updated

July 2, 2017

Record last verified: 2017-06

Data Sharing

IPD Sharing
Will not share

Locations