Study Stopped
Equipment used for metabolic testing is no longer serviced and/or supported by the company. Alternative equipment is not available to the research team to continue to conduct the study.
Physical Activity in Adults With Amputation
Metabolic Cost and Physical Activity in Sedentary Adults With a Unilateral Transtibial Amputation as Compared to Controls
1 other identifier
observational
3
1 country
1
Brief Summary
This cross-sectional study explores physical activity and energy expenditure among inactive adults with a unilateral transtibial amputation. Results may assist with physical activity prescription for adults with unilateral lower-limb loss.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started May 2017
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 11, 2017
CompletedFirst Submitted
Initial submission to the registry
May 1, 2018
CompletedFirst Posted
Study publicly available on registry
October 29, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 17, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
February 17, 2022
CompletedMarch 4, 2022
February 1, 2022
4.8 years
May 1, 2018
February 17, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in gait speed pre- and post-walking tests
self-selected and fast speeds obtained with GaitRite
immediately before/after
Secondary Outcomes (1)
Change in gait symmetry
immediately before/after
Study Arms (2)
Unilateral Transtibial Amputation
Individuals with a unilateral, transtibial amputation.
Controls
Healthy adults without a lower-limb amputation who have been matched to participants in the Unilateral Transtibial Amputation group based on age, sex, and body mass index.
Interventions
The Oxycon Mobileâ„¢Portable VO2 Measurement system will be used to measure VO2 uptake during 2 walking tests. Test order will be randomized. Treadmill Test: Participants will walk on a treadmill at constant speed, based on the participant's self-selected gait speed, for 2.5 minutes in each stage. Walking will occur at 75% of self-selected gait speed in stage 1, 100% in stage 2, and 125% in stage 3. Over-ground Test: Participants will walk in an uncarpeted corridor on a course consisting of 2 cones, 20-meters apart. Participants will be instructed to walk at a constant speed for 2.5 minutes in each stage. Instructions will be to walk at their "slow" speed in stage 1, their "usual, comfortable" speed in stage 2, and their "brisk" speed in stage 3.
Eligibility Criteria
Investigators will recruit 22 (males and females) with a unilateral (i.e. single limb), transtibial (i.e. below-the-knee) amputation. Given the prevalence of amputations is greater in males, it is expected that the sample will be predominantly male, but there will not be any inclusion/exclusion criteria related to sex. 20 controls will be recruited as age-, sex-, and body mass index-matched controls for those with a unilateral transtibial amputation who complete the entire study evaluation protocol.
You may qualify if:
- Ages 18-60 years
- Able to read and speak English
- Saltin-Grimby Physical Activity Level of I or II
- Unilateral, transtibial (below-the-knee) amputation
- Currently wearing a prosthesis with use of an assistive device no greater than a cane
- Wearing prosthetic at least 8 hours per day and inside and outside the home: This criteria will help to ensure that adults are beyond the initial weaning into a prosthetic period and are prosthetic users rather than nonusers.
- Pain-free in the legs and low back regions
- Able to walk without an assistive device
You may not qualify if:
- Current infections or illnesses that would affect safe participation in the study
- Past medical history of significant cardiovascular disease (e.g. congestive heart failure or previous heart attacks), significant neurological disease (e.g. Parkinson's, Multiple Sclerosis) significant neurological event (e.g. stroke), or major lung condition (e.g. Chronic obstructive pulmonary disease, emphysema)
- Uncontrolled high blood pressure
- Uncontrolled Diabetes Mellitus
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Delaware STAR Campus
Newark, Delaware, 19713, United States
Related Publications (57)
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PMID: 26458225BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Jaclyn M Sions, PhD, PT, DPT
University of Delaware
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor, Department of Physical Therapy
Study Record Dates
First Submitted
May 1, 2018
First Posted
October 29, 2018
Study Start
May 11, 2017
Primary Completion
February 17, 2022
Study Completion
February 17, 2022
Last Updated
March 4, 2022
Record last verified: 2022-02
Data Sharing
- IPD Sharing
- Will not share