- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05693480
Development and Applications of Daily-use Fall Risk Assessment Device to Prevent Elderly People From Falling (ITF-Balance)
Study Overview
Detailed Description
Falling is a significant threat to the health and independent living quality of the elderly. The loss of balance leads to falls. Balance is a very complex neuromuscular reflex function that may be affected by the general condition of the body and one or more impairments in the sensory, nervous, cardiovascular, and musculoskeletal systems. Currently, no test or tool can directly measure balancing capability in the clinical setting. Most clinicians use proxy-based methods to estimate the likelihood of falling, such as the Timed Up and Go Test which has low diagnostic accuracy. Other commonly used observational fall assessment tools (e.g., Berg Balance Scale and Performance-Oriented Mobility Assessment) require long administration time, suffering ceiling effects and subjective judgment. The computerized dynamic posturography devices are used in specialized fall assessment and rehabilitation centers. However, these devices are not routinely used in clinical or home settings due to high user costs and special training requirements.
To overcome the abovementioned limitations of extant approaches for measuring dynamic balance ability and predicting the risk of falling. This research attempts to develop an artificial intelligence (AI) enabled device for measuring the dynamic balance ability of older people with a sensor using an optical principle called Frustrated Total Internal Reflection (FTIR). The AI-based algorithm embedded in the device performs the data analysis for balance ability assessment and falling risk prediction.
As a critical part of the research, a large-scale user study is needed to test the validity of the device regarding the dynamic balance ability assessment compared with the common clinical assessment tools used by doctors and other healthcare professionals. In addition, this large-scale user study will also investigate the accuracy of the falling risk prediction provided by the device. Also, the investigators plan to study the factors influencing user engagement in this device through the questionnaire-based survey.
The targeted direct user group of this device is people aged 60 years old or above who live in Hong Kong. The whole study will last six months, and the outcome will be assessed pre-and post-implementation for comparison and validation. The major testing criteria include the device specifications for validity and reliability, user experiences and adoption, prediction model accuracy.
First Round: The participant will be invited to take three tests: A device test, a time up and go test, and a Berg balance test. The device test involves five simple tasks that require participants to complete while using the balance sensor to assess the balance ability. In addition, participants will be required to complete physical data measurements to collect the weight, height, blood pressure, muscle mass, body mass index (BMI), and other physical data. Besides, participants will be required to complete questionnaires.
Second Round (after 90 days): Participants will be invited to participate in the device test: The device test involves five simple tasks that request participants to finish when using the device to assess participants' balance ability. Besides, after the tests, participants are invited to fill out a questionnaire.
Third Round (after 180 days): Participants will be invited to participate in the device test: The device test involves five simple tasks that request participants to finish when using the device to assess the balance ability. Besides, after the tests, participants are invited to fill out a questionnaire.
Investigators will conduct three types of analysis to suit the project needs. First, the investigators will use Descriptive Statistics to summarize demographic information, test results of baseline test and device test, as well as the participant responses to the surveys. Also, the investigators will transform any skewed variables and correct their skewness by means of log transformation before inferential analysis. To assess normality, the investigators will perform the Shapiro-Wilk test of normality as well as the normal Q-Q Plot. Second, the investigators will apply Bivariate Correlation Analysis (Pearson, Two-tailed) to verify the validity of the balance ability assessment of the device. Third, the investigators will apply the Discriminant Analysis (i.e., sensitivity and specificity analysis) to verify the precision of the falling risk prediction provided by the device.
The principal investigator will be responsible for the safekeeping of the personal data of participants during and after the experiment. These data will be used for academic and clinical research only. Moreover, the data with the identifiable information will be kept for up to 5 years after the first publication. Anonymous data will be kept for up to 10 years after the first publication arising from this project. All information obtained will be used for research purposes only. All the data will be stored in an encrypted workstation and on password-protected online cloud storage.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Hong Kong, Hong Kong, 999777
- Recruiting
- Name: The University of Hong Kong
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria for reference group participants:
- Age ≥ 60
- Ability to communicate with experiment operators (in Chinese or English)
- Ability to provide informed consent to participate after being given information about the experiment and other information that the participant must know to participate
Exclusion Criteria for reference group participants:
• Do not fall in the past twelve months
Inclusion Criteria for intervention group participants:
- Age ≥ 60
- Ability to communicate with experiment operators (in Chinese or English)
- Ability to provide informed consent to participate after being given information about the experiment and other information that the participant must know to participate
Exclusion Criteria for intervention group participants:
- Inability to give written informed consent (e.g., illiterate or with cognitive impairment)
- Inability to stand still without any assistance for 30 seconds
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Intervention Group
Older adults with zero time of falls in the past twelve months will be treated as the reference group.
Older adults with at least one time of falls in the past twelve months will use the device to assess their balance ability by attending three rounds of the tests.
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Participants will engage in the device test, clinical assessment tests, and related user experience surveys to uncover problems in the effectiveness, efficiency, and acceptance of the device prototype.
The whole test will last six months, and the outcome will be assessed pre- and post-implementation for comparison and validation.
The major testing criteria include the validity and reliability of the device, user experiences, and the accuracy of the device's fall prediction.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Precision assessment of falling risk prediction
Time Frame: Six Months
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A primary outcome is the precision assessment of falling risk prediction.
The specific measurement variables for this primary outcome are the classification results of high/low falling risk based on the scoring results (a composite result, namely Falling Probability (FP)) of the device test and participants' actual falling incident indicators, including the number of falls, the severity of falling incidents after the device test, and medical history of the participants (say, the falls history within past six months).
The FP ranges from zero to one, in which the higher score indicates a higher possibility of fall.
The analysis metric for this primary outcome is sensitivity and specificity performance analysis of the device assessment.
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Six Months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Validity of the balance ability measurement made by the device
Time Frame: Six Months
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The secondary outcome is the validity of the balance ability measurement made by the device.
The specific measurement variables for this secondary outcome are the balance ability score measured by the baseline tests and the balance ability score measured by the device test.
The analysis metric for this secondary outcome is the correlation coefficient and the significant level of the correlation between the balance ability score of the device test and the balance ability score of baseline tests.
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Six Months
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User Experience
Time Frame: Six Months
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The survey data about user experience and adoption would also be a secondary measurement.
We will conduct structural equation modeling to identify an effective model explaining user adoption.
This model could guide us in improving our device development.
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Six Months
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- ITB/FBL/4018/21/P
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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