Amputation Clinical Trial
Official title:
Moisture Management Liner At-Home Evaluation
Verified date | February 2024 |
Source | Liberating Technologies, Inc. |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The comfort and fit of the residual limb within a prosthetic socket are of primary concern for many amputees. The residual limb is typically covered by nonbreathable and non-thermally conductive materials that can create a warm and ultimately moist environment. The investigators have developed a silicone liner approach to passively conduct heat from the skin using thermally conductive elastomers. A technology that can provide thermal control while retaining adequate suspension, weight, and other prosthetic characteristics would benefit many prosthesis wearers.
Status | Completed |
Enrollment | 1 |
Est. completion date | September 27, 2022 |
Est. primary completion date | September 27, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 89 Years |
Eligibility | Inclusion Criteria: - Lower limb amputee - Be willing and able to complete the tasks outlined - Are at least 6 months on a lower-limb prosthesis - Fits within an experimental liner (cushion style liner and size 23.5-28 cm) - Can understand English in order to be properly consented and provide their feedback to the study personnel Exclusion Criteria: - The risks to pregnant women and fetuses are unknown and therefore pregnant women should not participate in the study - Other unforeseen disqualifying criteria (such as specific cognitive issues, etc.) |
Country | Name | City | State |
---|---|---|---|
United States | Liberating Technologies, Inc. | Holliston | Massachusetts |
Lead Sponsor | Collaborator |
---|---|
Liberating Technologies, Inc. | Vivonics, Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Modified Dermatology Life Quality Index (mDLQI) | The Dermatology Life Quality Index is a simple questionnaire designed to measure the health-related quality of life of adult patients suffering from various skin diseases. A modified version of the questionnaire was created to be more directly applicable to persons with amputation. The modified survey can have a score from 0 to 27, with lower numbers indicating a better outcome. Scores on the unmodified DLQI of 0-1 indicate no affect at all from a skin condition on a patient's life. Score ranges of 2-5, 6-10, 11-20 and 21-30 are considered to have 'small,' 'moderate,' 'very large,' and 'extremely large' effects on a patient's life, respectively. | 4 weeks | |
Secondary | User Satisfaction User Satisfaction User Satisfaction | Surveys regarding user satisfaction while wearing and walking in the liner. A custom questionnaire using a 5 point Likert scale (1-5) will be used to rate different aspects of the experimental liner. Such as comfort (higher value is equal to a better outcome) and how much the participant perceives they sweat in the liner (lower value is equal to a better outcome). | 4 weeks | |
Secondary | Dermatology Life Quality Index (DLQI) | The Dermatology Life Quality Index (DLQI) is a simple, self-administered and user-friendly validated questionnaire.
The DLQI is designed to measure the health-related quality of life of adult patients suffering from a skin disease. |
1 week | |
Secondary | EuroQol-5D | The EuroQol visual analogue scale (VAS) records the patient's self-rated health on a vertical visual analogue scale, where the endpoints are labelled 'The best health you can imagine' and 'The worst health you can imagine'. The VAS can be used as a quantitative measure of health outcome that reflect the patient's own judgement. | 4 weels | |
Secondary | Prosthesis Evaluation Questionnaire - Residual Limb Health Scale | The Prosthesis Evaluation Questionnaire (PEQ) is a set of scales to describe the function of a lower limb prosthesis and the prosthesis-related quality of life of a person with an amputation. For this study only the Residual Limb Health Scale was used as it most closely related to the skin health problems that could be related to the heat and sweat generated in a prosthetic liner.
The questions use a visual analog scale format. Each visual analog scale is scored as a continuous numerical variable measured as the distance in millimeters from the left endpoint of the line to the point at which the respondent's mark crosses the line. Each line is 100 mm long and is always measured from the left (0-100). The questions are all worded so that a higher number (toward the right) will correspond with a more positive response. |
4 weeks |
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