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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04052282
Other study ID # IRB #:13237
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 3, 2019
Est. completion date August 1, 2021

Study information

Verified date September 2021
Source Universidade Federal de Sao Carlos
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The overarching goal is to develop a mHealth App that can use smartphone embedded sensors to objectively collect physical function data in healthy individuals in the context of daily life.


Description:

The goal is to develop a mHealth App using smartphone embedded sensors to objectively collect physical function data in healthy individuals in the context of daily life. The investigators will perform technical development of an internet-interactive App to collect, analyze and transfer the subjects' data. As a proof-of-concept, the mHealth App will execute algorithms that automate deployment of three well-established physical function tests. In a laboratory setting, it will be evaluated usability, acceptability and reliability of the mHealth App compared with traditional performance tests among focus groups. The investigators will then evaluate its usability and acceptability when used in the participants' home environments.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date August 1, 2021
Est. primary completion date July 1, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 50 Years to 85 Years
Eligibility Inclusion Criteria: - Male or female subjects at least 50 years old with symptomatic knee osteoarthritis - English Speaker - Be able to walk 20 meters without an assistive device, such as a cane, walker or crutches. - Have an iPhone 6 or higher with internet connection. Exclusion Criteria: - Prior surgery on either knee within 6 months of enrollment - Received corticosteroid injection in the knee within 3 months of enrollment - Evidence or history of knee disease or trauma

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Mobile Health App
There is no intervention

Locations

Country Name City State
Brazil Federal University of São Carlos São Carlos São Paulo

Sponsors (2)

Lead Sponsor Collaborator
Universidade Federal de Sao Carlos Tufts Medical Center

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Numeric Rating Scale - TEST RETEST (clinical setting) A Numeric Rating Scale (NRS) will be applied to measure both knee pain. NRS is a well recognized tool to measure the intensity of pain that visually represents the intensity of pain that the individual believes to present. The scale will be displayed on the app and will have a range of 0 to 10, with 0 being the complete absence of pain and 10, the maximum intensity of pain reported by the individual. Day 1
Primary Numeric Rating Scale - TEST RETEST (clinical setting) A Numeric Rating Scale (NRS) will be applied to measure both knee pain. NRS is a well recognized tool to measure the intensity of pain that visually represents the intensity of pain that the individual believes to present. The scale will be displayed on the app and will have a range of 0 to 10, with 0 being the complete absence of pain and 10, the maximum intensity of pain reported by the individual. 7 days after day 1
Primary Numeric Rating Scale - DIURNAL CHANGE (home setting) At home, a Numeric Rating Scale (NRS) will be applied to measure both knee pain. NRS is a well recognized tool to measure the intensity of pain that visually represents the intensity of pain that the individual believes to present. The scale will be displayed on the app and will have a range of 0 to 10, with 0 being the complete absence of pain and 10, the maximum intensity of pain reported by the individual. Day 1, day 3, and day 5 (within a week Mon, Wed, Fri)
Primary The Get up and Go - TEST RETEST (clinical setting) In the clinical setting, the clinician asks the patient to stand up from a chair, walk 3 meters, turn around, return and sit back in the chair. The time on the test is used as a predictor of functional independence: below 20 seconds is considered normal and over 30 seconds as potentially indicative of increased risk for falls and functional dependence. For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will pre-determine and tell the patient how many steps to take to achieve the distance of 3 meters. After the test is completed, the data will be automatically sent to the cloud system. Day 1
Primary The Get up and Go - TEST RETEST (clinical setting) In the clinical setting, the clinician asks the patient to stand up from a chair, walk 3 meters, turn around, return and sit back in the chair. The time on the test is used as a predictor of functional independence: below 20 seconds is considered normal and over 30 seconds as potentially indicative of increased risk for falls and functional dependence. For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will pre-determine and tell the patient how many steps to take to achieve the distance of 3 meters. After the test is completed, the data will be automatically sent to the cloud system. 7 days after day 1
Primary The Get up and Go - DIURNAL CHANGE (home setting) At home, for the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will pre-determine and tell the patient how many steps to take to achieve the distance of 3 meters. After the test is completed, the data will be automatically sent to the cloud system. Day 1, day 3, and day 5 (within a week Mon, Wed, Fri)
Primary The 30 Seconds Sit to Stand - TEST RETEST (clinical setting) In the clinical setting, the clinician asks the patient to sit in the middle of the chair, with the back straight, feet apart resting on the floor and in line with the shoulders. The patient has to rise from a sitting to a standing position as many times as possible in 30 seconds. With the results of this test, it is possible to evaluate a wide variety of skill levels, with scores ranging from 0 (for those unable to complete one repetition) to more than 20 repetitions (for the most physically fit individuals). For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically count the total sit to stand repetitions within a 30 seconds period. After the test is completed, the data will be automatically sent to the cloud system. Day 1
Primary The 30 Seconds Sit to Stand - TEST RETEST (clinical setting) In the clinical setting, the clinician asks the patient to sit in the middle of the chair, with the back straight, feet apart resting on the floor and in line with the shoulders. The patient has to rise from a sitting to a standing position as many times as possible in 30 seconds. With the results of this test, it is possible to evaluate a wide variety of skill levels, with scores ranging from 0 (for those unable to complete one repetition) to more than 20 repetitions (for the most physically fit individuals). For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically count the total sit to stand repetitions within a 30 seconds period. After the test is completed, the data will be automatically sent to the cloud system. 7 days after day 1
Primary The 30 Seconds Sit to Stand - DIURNAL CHANGE (home setting) At home, for the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a sitting position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically count the total sit to stand repetitions within a 30 seconds period. After the test is completed, the data will be automatically sent to the cloud system. Day 1, day 3, and day 5 (within a week Mon, Wed, Fri)
Primary The 20-meter Walk - TEST RETEST (clinical setting) This test assesses gait speed and changes in patient's physical function over time. The clinician asks the patient to walk at a comfortable pace in a 20-meter unobstructed course and measures the time to perform the test. For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a standing position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically determine when the 20-meter distance is reached and will say to the patient to gradually stop, measuring the total time to complete the test. After the test is completed, the data will be automatically sent to the cloud system. Day 1
Primary The 20-meter Walk - TEST RETEST (clinical setting) This test assesses gait speed and changes in patient's physical function over time. The clinician asks the patient to walk at a comfortable pace in a 20-meter unobstructed course and measures the time to perform the test. For the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a standing position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically determine when the 20-meter distance is reached and will say to the patient to gradually stop, measuring the total time to complete the test. After the test is completed, the data will be automatically sent to the cloud system. 7 days after day 1
Primary The 20-meter Walk - DIURNAL CHANGE (home setting) At home, for the automated test, the patient will wear a chest strap fixing the mobile phone over the sternum. On a standing position, the patient will open the mHealth App and through the use of audible feedback, will receive the same test instructions as in the clinic. With the use of algorithms, the mHealth App will automatically determine when the 20-meter distance is reached and will say to the patient to gradually stop, measuring the total time to complete the test. After the test is completed, the data will be automatically sent to the cloud system. Day 1, day 3, and day 5 (within a week Mon, Wed, Fri)
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