[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100503164":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":25,"locations":31,"responsibleParty":48,"collaborators":50,"id":54,"slug":55,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":58,"acronym":29,"eligibilityCriteria":59,"healthyVolunteers":56,"sex":60,"minAge":61,"maxAge":62,"enrollmentInfo":63,"targetDuration":29,"studyType":66,"phases":67,"briefSummary":69,"conditions":70,"keywords":72,"overallStatus":33,"whyStopped":29,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"Loma Linda University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Powered Microprocessor-controlled Knee (PMPK)","EXPERIMENTAL","the \"Power Knee\" is a commercially available PMPK.",[13],"Other: Powered Microprocessor-controlled Knee (PMPK)",[15],{"type":6,"name":9,"description":16,"armGroupLabels":17,"otherNames":18},"A microprocessor-controlled Knee with standardized commercial prosthetic foot",[9],[19],"Power Knee",[21],{"name":22,"affiliation":23,"role":24},"Michael Davidson, Ph.D.","Loma Linda University Health","PRINCIPAL_INVESTIGATOR",[26],{"name":22,"role":27,"phone":28,"phoneExt":29,"email":30},"CONTACT","9095586516",null,"mdavidson@llu.edu",[32],{"facility":5,"status":33,"city":34,"state":35,"zip":36,"country":37,"countryCode":38,"cosmosGeoPoint":39,"geoPoint":44,"contacts":45},"RECRUITING","Loma Linda","California","92354","United States","US",{"type":40,"coordinates":41},"Point",[42,43],-117.26115,34.04835,{"lat":43,"lon":42},[46],{"name":22,"role":27,"phone":47,"phoneExt":29,"email":30},"909-558-6516",{"type":49,"investigatorFullName":29,"investigatorTitle":29,"investigatorAffiliation":29,"oldNameTitle":29,"oldOrganization":29},"SPONSOR",[51],{"name":52,"class":53},"Össur Iceland ehf","INDUSTRY","100503164","metabolic-cost-of-walking-with-passive-vs-powered-prosthetic-knees-among-persons-with-limb-loss-100503164",false,"NCT05831696","Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss","Inclusion Criteria:\n\n* Males and Females with unilateral knee disarticulation or transfemoral (KD\u002FTF) amputation.\n* a body mass greater than 49Kg and less than 117Kg\n* 18-75 years of age\n* Have an ambulation potential of K3 or K4\n* Use a prosthesis daily for walking or sports activities\n* No less than six months of experience with a prosthesis\n* No socket issues or changes in the last six weeks\n* No residual limb pain affecting functional ability.\n\nExclusion Criteria:\n\n* Cannot walk at different speeds (MCFL K0-K2)\n* Limb-loss below the knee or through the hip\n* More than one amputation.\n* Uses an assistive device for walking\n* Uncontrolled edema in leg compartments\n* Compromised skin of the residual limb or contralateral foot\n* Are 180 days or less post-amputation\n* Pregnant (self-reported)","ALL","18 Years","75 Years",{"count":64,"type":65},12,"ESTIMATED","INTERVENTIONAL",[68],"NA","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.",[71],"Transfemoral Amputation",[19,73,74,75],"Amputation","Metabolic Costs","Heart Rate","2026-02-02",{"date":78,"type":79},"2026-02-04","ACTUAL",{"date":81,"type":79},"2023-02-27",{"date":83,"type":65},"2026-12",{"name":5,"class":6},1]