NCT03849547

Brief Summary

This study aims to verify the training effect of smartphone-based training for chronic ankle instability(CAI) subjects. By randomizing subjects to App training group, clinical training group and control group, the training effect will be compared among groups.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
46

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Feb 2019

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

February 18, 2019

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

February 20, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 21, 2019

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 15, 2020

Completed
16 days until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2020

Completed
Last Updated

February 17, 2020

Status Verified

February 1, 2020

Enrollment Period

11 months

First QC Date

February 20, 2019

Last Update Submit

February 12, 2020

Conditions

Keywords

Chronic ankle instabilitySmartphone

Outcome Measures

Primary Outcomes (2)

  • Postural sway measurement

    Using smartphone application and force plate to record the postural sway during single leg stance.

    30 seconds

  • Star Excursion Balance Test

    To assess the dynamic balance ability of subjects.

    5 minutes

Secondary Outcomes (2)

  • Foot and Ankle Outcome Score

    5 minutes

  • Foot and Ankle Ability Measure-sport subscale

    5 minutes

Study Arms (3)

App training group

EXPERIMENTAL

Subjects in App training group will receive App Balance training via smartphone application.

Other: App Balance training

Home training group

ACTIVE COMPARATOR

Subjects in Home training group will receive Home Balance training advised by physical therapist.

Other: Home Balance training

Control group

NO INTERVENTION

Control group will receive only education of ankle injury prevention related information.

Interventions

Training specially designed for balance ability of chronic ankle instability groups. Guidance through smartphone application as home program.

App training group

Training specially designed for balance ability of chronic ankle instability groups. Follow the usual home program provided in clinics.

Home training group

Eligibility Criteria

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

You may qualify if:

  • At least one ankle sprain history
  • At least 2 times of sprain and feeling unstable
  • Diagnosed as functional ankle instability
  • Full recovered from injury
  • Cumberland Ankle Instability Tool\<24
  • Ankle Instability Instrument \>5 yes
  • Identification of Functional Ankle Instability \>11

You may not qualify if:

  • Diagnosis as mechanical instability
  • Neurological deficits
  • Lower extremity injury within the past 6 wk
  • History of lower-extremity surgery
  • Other conditions known to affect balance

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yang Ming university

Taipei, Taiwan

Location

Study Officials

  • Wen-Hsu Sung, Dr.

    National Yang Ming Chiao Tung University

    STUDY CHAIR

Study Design

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

Study Record Dates

First Submitted

February 20, 2019

First Posted

February 21, 2019

Study Start

February 18, 2019

Primary Completion

January 15, 2020

Study Completion

January 31, 2020

Last Updated

February 17, 2020

Record last verified: 2020-02

Data Sharing

IPD Sharing
Will not share

Locations