[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100503164":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":25,"locations":31,"responsibleParty":47,"collaborators":49,"id":53,"slug":29,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":56,"acronym":29,"eligibilityCriteria":57,"healthyVolunteers":54,"sex":58,"minAge":59,"maxAge":60,"enrollmentInfo":61,"targetDuration":29,"studyType":64,"phases":65,"briefSummary":67,"conditions":68,"keywords":70,"overallStatus":33,"whyStopped":29,"lastUpdateSubmitDate":74,"lastUpdatePostDateStruct":75,"startDateStruct":78,"completionDateStruct":80,"leadSponsor":82,"locationsCount":83},{"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,"cosmosGeoPoint":38,"geoPoint":43,"contacts":44},"RECRUITING","Loma Linda","California","92354","United States",{"type":39,"coordinates":40},"Point",[41,42],-117.26115,34.04835,{"lat":42,"lon":41},[45],{"name":22,"role":27,"phone":46,"phoneExt":29,"email":30},"909-558-6516",{"type":48,"investigatorFullName":29,"investigatorTitle":29,"investigatorAffiliation":29,"oldNameTitle":29,"oldOrganization":29},"SPONSOR",[50],{"name":51,"class":52},"Össur Iceland ehf","INDUSTRY","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":62,"type":63},12,"ESTIMATED","INTERVENTIONAL",[66],"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.",[69],"Transfemoral Amputation",[19,71,72,73],"Amputation","Metabolic Costs","Heart Rate","2026-02-02",{"date":76,"type":77},"2026-02-04","ACTUAL",{"date":79,"type":77},"2023-02-27",{"date":81,"type":63},"2026-12",{"name":5,"class":6},1]