Fall Clinical Trial
Official title:
Safety and Feasibility of Knee Extensor Muscle-mimicking, Fabric-type Orthosis on Gait in Geriatric Patients: Pilot Clinical Trial
This pilot clinical trial assesses the safety and feasibility of a novel fabric-type orthosis designed to mimic the knee extensor muscles and improve gait in elderly patients with mobility impairments due to conditions like sarcopenia, diabetes, or knee osteoarthritis. The study aims to test this orthosis in a real- world setting to see if it can enhance mobility and stability for elderly individuals, potentially reducing falls and improving quality of life. A total of 30 participants aged 65 and older will be recruited to use this orthosis across multiple sessions, where their gait will be analyzed under various conditions to measure the device's impact on walking speed, stability, and muscle activation.
Status | Not yet recruiting |
Enrollment | 30 |
Est. completion date | May 14, 2026 |
Est. primary completion date | May 14, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 65 Years and older |
Eligibility | Inclusion Criteria: Eligibility for participation in the study requires that all the following criteria are met: 1. Age: Participants must be 65 years of age or older. 2. Comprehension and Compliance: Able to fully understand and comply with the instructions and study procedures. 3. Mobility-Impacting Conditions: Must have at least one of the following conditions affecting mobility: (1)Sarcopenia: - Muscle Strength: Handgrip strength of <28 kg for men and <18 kg for women. - Muscle Function: Short Physical Performance Battery (SPPB) score of 8 or less. - Muscle Mass: Bioelectrical impedance analysis (BIA) showing muscle mass <7.0 kg/m² for men and <5.7 kg/m² for women. (2)Diabetes: - Diagnosed distal symmetric polyneuropathy. - Sensory impairments in toes or feet. (3)Knee Osteoarthritis: - Kellgren-Lawrence grade =2. - Persistent pain (=3 months) with a severity of at least 3 on the Numerical Rating Scale (NRS). Exclusion Criteria: Individuals meeting any of the following criteria will be excluded from study participation: 1. Inability to Consent: Unable to provide informed consent or not willing to participate in the study procedures. 2. Severe Sensory or Motion Limitations: Including severe visual or vestibular impairments that could increase the risk of falling. 3. Communication Barriers: Significant hearing, speech, or language problems that would hinder communication with study personnel. 4. Independent Walking Inability: Cannot walk independently without the aid of a walking device. 5. Other Significant Diseases or Conditions: - Neurological disorders that affect walking ability (e.g., stroke, Parkinson's disease). - Orthopedic or musculoskeletal conditions severely affecting lower limb function. - Severe cardiovascular conditions including uncontrolled hypertension or heart failure. - Respiratory diseases requiring regular oxygen therapy. - Active cancer treatment or cancer treatment within the past 3 years (except basal cell carcinoma or localized prostate cancer). - Severe psychiatric disorders like schizophrenia or bipolar disorder. 6. Other Exclusionary Factors: - Past severe orthopedic surgeries on lower limbs which might affect gait and mobility. - Severe back pain or any other condition affecting mobility not already listed. |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Seoul National University Hospital | Ministry of Science and ICT |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Completion Rate | The proportion of participants who complete the study as per the protocol, which indicates the orthosis's acceptability and the study's overall manageability. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | Dropout Rate | Measures participant retention throughout the study, providing insights into the orthosis's usability and participant satisfaction. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | User Feedback | Collected using the Quebec User Evaluation of Satisfaction with assistive Technology 2.0 (QUEST 2.0), which will cover aspects such as the orthosis's comfort, ease of use, safety, and effectiveness. This feedback is vital for understanding user satisfaction and for guiding future improvements. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | 6-Minute Walk Test | To measure the distance covered in six minutes as a test of aerobic capacity and endurance, which may improve with the use of the orthosis. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | 10-Meter Walk Test | To assess changes in basic walking speed over a short distance, reflecting potential improvements in mobility. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | Surface Electromyography | To evaluate muscle activity patterns that indicate the orthosis's impact on muscle engagement during gait. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) | |
Secondary | Gait Analysis | Using tools like the GAITRite system to obtain detailed measurements of gait cycle characteristics, providing comprehensive insights into the functional improvements afforded by the orthosis. | 1.Baseline (before brace application) 2.Immediately post-brace application (power off), 3.Immediately post-brace activation (power on) |
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