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Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss
Recruiting
Who can join
Ages 18 to 75 · All sexes
Full eligibility criteria
Inclusion Criteria: * Males and Females with unilateral knee disarticulation or transfemoral (KD/TF) amputation. * a body mass greater than 49Kg and less than 117Kg * 18-75 years of age * Have an ambulation potential of K3 or K4 * Use a prosthesis daily for walking or sports activities * No less than six months of experience with a prosthesis * No socket issues or changes in the last six weeks * No residual limb pain affecting functional ability. Exclusion Criteria: * Cannot walk at different speeds (MCFL K0-K2) * Limb-loss below the knee or through the hip * More than one amputation. * Uses an assistive device for walking * Uncontrolled edema in leg compartments * Compromised skin of the residual limb or contralateral foot * Are 180 days or less post-amputation * Pregnant (self-reported)
About the study
The purpose of this industry-initiated research study is to test that a powered microprocessor controlled knee improves metabolic function during walking in level and sloped conditions as compared to the subject's physician prescribed prosthesis.
What is being tested
- Powered Microprocessor-controlled Knee (PMPK) (other)
Sponsor: Loma Linda University · Participants: 12 · Started: Feb 27, 2023
Contact the study team
- Michael Davidson, Ph.D. · Phone: 9095586516
Official record on ClinicalTrials.gov — NCT05831696
Locations in the U.S.
| California | Loma Linda University, Loma Linda |
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.