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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT02705690
Other study ID # Stannah_Balance_01
Secondary ID
Status Not yet recruiting
Phase N/A
First received March 7, 2016
Last updated March 9, 2016
Start date May 2016
Est. completion date August 2016

Study information

Verified date March 2016
Source Stannah Stairlifts
Contact Shruti Grover, MSc
Phone 07767118256
Email shruti.grover@stannah.co.uk
Is FDA regulated No
Health authority United Kingdom: Research Ethics CommitteeUnited Kingdom: National Health ServiceUnited Kingdom: National Institute for Health ResearchUnited Kingdom: Medicines and Healthcare Products Regulatory Agency
Study type Interventional

Clinical Trial Summary

This study aims to benchmark the performance of an iOS application against the Berg Balance Scale (BBS), which is the most commonly used assessment tool by clinicians for measuring balance across the continuum from acute care to community-based care. An iPhone will be tied around the waist of the participant and concurrent measurements will be taken for five of the fourteen stances which comprise the BBS.


Description:

'Project Balance' aims to make balance an actionable component of an individuals health, allowing a long term intervention via a monitoring and training of balance health much before a fall happens. Towards this end, we have designed an iOS application and a belt. The phone is kept stable against the lower back of the participant using the belt. The application turns on the accelerometer in the phone to sample acceleration along x (media lateral) and z (anterior posterior) axis. These displacements from the mean are used to calculate the Root Mean Square of a person which acts a proxy score for Postural Sway. (Postural sway is defined as the phenomenon of constant displacement and correction of the position of the center of gravity within the base of support)

Studies in the past have compared the use of accelerometers to the use of the clinical measured of Timed Up (TUG) test and Berg Balance Scale (BBS) in the assessment of postural stability and indicated that there is a high correlation between BBS, TUG and Accelerometry. Accelerometry has also found to be able to distinguish between sway responses to differing balancing conditions and between fallers and non-fallers.

We aim to conduct a benchmarking study for our iOS application against the BBS.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 20
Est. completion date August 2016
Est. primary completion date June 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 69 Years
Eligibility Inclusion Criteria:

Between the ages of 18 - 69 Selected to undergo a Berg Balance Sale Impairments including : Ankle injures, Knee Replacements, Hip Replacements, Knee injuries, ligament tears etc.

Exclusion Criteria:

Subjects will be excluded from participation if they have peripheral neuropathy (clinically diagnosed or if they had symptoms of numbness/tingling in the lower extremities); pain of any level presenting simultaneously in both lower extremities; or unilateral lower extremity pain >3 on the 11 point visual analog (box) scale. Pregnant women will be excluded.

Study Design

Allocation: Non-Randomized, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic


Intervention

Device:
iOS Balance Application
We have designed an iOS application and a belt. The application uses accelerometer data to calculate postural sway. Steps: The phone is kept stable against the lower back of the participant using the belt. The iOS application gives instructions to user to adopt the correct stance (eg: Standing Unsupported, legs side by side) Once the stance is adopted, the application turns on the accelerometer in the phone to sample acceleration along x (media lateral) and z (anterior posterior) axis. These displacements from the mean are used to calculate the Root Mean Square of a person which acts a proxy score for Postural Sway. (Postural sway is defined as the phenomenon of constant displacement and correction of the position of the center of gravity within the base of support)

Locations

Country Name City State
United Kingdom Prince Charles Hospital Cardiff
United Kingdom Prince Charles Hospital Gurnos Rd Merthyr Tydfil

Sponsors (2)

Lead Sponsor Collaborator
Stannah Stairlifts University College of London

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Spearman's Rank Coefficient to compare the Root Mean Square from iOS application to the Berg Balance Scale Score Baseline No
Secondary Symmetry Ratio (Root Mean Square Left Leg vs Root Mean Square Right Leg) AP/ML Ratio (Ratio of the Anterior Posterior movement vs the media lateral movement) The iOS application can compare the Root Mean Square(RMS) from the left leg to the right leg to produce a symmetry ratio for the physiotherapist, this provides a more granular view of the participants balance health. Similarly, the application can calculate the ratio of Anterior Posterior movement to the Media Lateral movement. Baseline No
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