[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100588998":3},{"organization":4,"armGroups":7,"interventions":25,"overallOfficials":46,"centralContacts":50,"locations":59,"responsibleParty":76,"collaborators":30,"id":78,"slug":79,"hasResults":80,"nctId":81,"briefTitle":82,"officialTitle":83,"acronym":84,"eligibilityCriteria":85,"healthyVolunteers":86,"sex":87,"minAge":88,"maxAge":89,"enrollmentInfo":90,"targetDuration":30,"studyType":93,"phases":94,"briefSummary":96,"conditions":97,"keywords":101,"overallStatus":62,"whyStopped":30,"lastUpdateSubmitDate":104,"lastUpdatePostDateStruct":105,"startDateStruct":108,"completionDateStruct":110,"leadSponsor":112,"locationsCount":113},{"fullName":5,"class":6},"Centre Hospitalier Universitaire de Saint Etienne","OTHER",[8,17,21],{"label":9,"type":10,"description":11,"interventionNames":12},"Usual blade stiffness","ACTIVE_COMPARATOR","Data collection on a blade with usual stiffness during a run at comfort speed according to slope (flat, uphill +10% and downhill -10% on treadmill) and type of terrain (road, path).",[13,14,15,16],"Other: Warm-up","Other: Random blade test","Other: Comfort speed test","Other: Outdoor random blade test",{"label":18,"type":10,"description":19,"interventionNames":20},"Less stiff blade","Data collection on a less stiff blade during a run at comfort speed according to slope (flat, uphill +10% and downhill -10% on treadmill) and type of terrain (road, path).",[13,14,15,16],{"label":22,"type":10,"description":23,"interventionNames":24},"Stiffer blade","Data collection on a stiffer blade during a run at comfort speed according to slope (flat, uphill +10% and downhill -10% on treadmill) and type of terrain (road, path).",[13,14,15,16],[26,31,35,38,42],{"type":6,"name":27,"description":28,"armGroupLabels":29,"otherNames":30},"Warm-up","5-minute warm-up run on treadmill at a freely chosen speed",[18,22,9],null,{"type":6,"name":32,"description":33,"armGroupLabels":34,"otherNames":30},"Random blade test","4-minute run on a treadmill with a flat incline.",[18,22,9],{"type":6,"name":32,"description":36,"armGroupLabels":37,"otherNames":30},"4-minute run on treadmill with a 10% gradient",[18,22,9],{"type":6,"name":39,"description":40,"armGroupLabels":41,"otherNames":30},"Comfort speed test","1 min running test on an instrumented treadmill (Gaitway, H\u002FP\u002FCosmos, Nußdorf, Germany) at comfort speed.",[18,22,9],{"type":6,"name":43,"description":44,"armGroupLabels":45,"otherNames":30},"Outdoor random blade test","100-metre outdoor run at a comfort speed",[18,22,9],[47],{"name":48,"affiliation":5,"role":49},"David HUPIN, MD-PhD","PRINCIPAL_INVESTIGATOR",[51,56],{"name":48,"role":52,"phone":53,"phoneExt":54,"email":55},"CONTACT","(0)4 77 82 83 00","+33","david.hupin@chu-st-etienne.fr",{"name":57,"role":52,"phone":53,"phoneExt":54,"email":58},"Léonard FEASSON, MD-PhD","leonard.leasson@chu-st-etienne.fr",[60],{"facility":61,"status":62,"city":63,"state":30,"zip":64,"country":65,"countryCode":66,"cosmosGeoPoint":67,"geoPoint":72,"contacts":73},"Centre Hospitalier Universitaire","RECRUITING","Saint-Etienne","42055","France","FR",{"type":68,"coordinates":69},"Point",[70,71],4.39,45.43389,{"lat":71,"lon":70},[74,75],{"name":48,"role":52,"phone":53,"phoneExt":54,"email":55},{"name":48,"role":49,"phone":30,"phoneExt":30,"email":30},{"type":77,"investigatorFullName":30,"investigatorTitle":30,"investigatorAffiliation":30,"oldNameTitle":30,"oldOrganization":30},"SPONSOR","100588998","evaluation-of-the-biomechanics-of-crowding-and-the-energetic-cost-of-endurance-runners-unilateral-transtibial-amputees-100588998",false,"NCT06948695","Evaluation of the Biomechanics of Crowding and the Energetic Cost of Endurance Runners Unilateral Transtibial Amputees.","Evaluation of the Biomechanics of Crowding and the Energetic Cost of Endurance Runners Unilateral Transtibial Amputees According to the Stiffness of the Race-specific Prothesis.","BLADENDURUN","Inclusion Criteria:\n\n* Male or female,\n* Weighing less than 110 kg, in accordance with C-blade recommendations,\n* Subjects who have undergone a unilateral transtibial amputation,\n* Have been running with a sports blade for at least 3 months, over several sessions of at least 3 kilometers.\n* Subjects who have signed a written consent form,\n* Subjects affiliated or entitled to a social security scheme.\n\nExclusion Criteria:\n\n* Subjects whose amputation is due to complications related to diabetes or atherosclerosis.\n* Subjects with chronic or central neurological pathologies\n* Subjects with cardiovascular disorders\n* Subjects with alcohol or drug dependency.\n* Pregnant or breast-feeding women\n* Subjects under court protection.",true,"ALL","18 Years","65 Years",{"count":91,"type":92},24,"ESTIMATED","INTERVENTIONAL",[95],"NA","Transtibial amputation accounts for 3,700 cases per year in France. Athletes can use sport blades made of carbon plate for improved energy restitution.\n\nSports blades are adjusted according to the manufacturer's recommendations and the subjective experience of the ortho-prosthetist and patient. These adjustments are designed to optimize performance and comfort while reducing the risk of injury. This risk is all the greater when asymmetries between the healthy and affected limbs are large, exposing the healthy limb to large and repeated reaction forces.",[98,99,100],"Amputee","Prostheses","Healthy Volunteers",[102,103],"Unilateral transtibial amputees","Endurance runners","2025-08-04",{"date":106,"type":107},"2025-08-05","ACTUAL",{"date":109,"type":107},"2025-04-23",{"date":111,"type":92},"2026-11-01",{"name":5,"class":6},1]