[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100627741":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":21,"locations":20,"responsibleParty":31,"collaborators":35,"id":38,"slug":39,"hasResults":40,"nctId":41,"briefTitle":42,"officialTitle":43,"acronym":20,"eligibilityCriteria":44,"healthyVolunteers":40,"sex":45,"minAge":46,"maxAge":47,"enrollmentInfo":48,"targetDuration":20,"studyType":51,"phases":52,"briefSummary":54,"conditions":55,"keywords":57,"overallStatus":62,"whyStopped":20,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":67,"completionDateStruct":69,"leadSponsor":71,"locationsCount":20},{"fullName":5,"class":6},"The Hospital for Sick Children","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Hemophilic Participant","EXPERIMENTAL","Participants will undergo a 3D ultrasound of an ankle joint performed by a mechanical arm (intervention), a standard ultrasound, and an MRI of the study joint for comparison.",[13],"Device: Mechanical Ultrasound",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":20},"DEVICE","Mechanical Ultrasound","3D ultrasound imaging is a non-invasive technique. The device consists of a stationary platform and a water-filled rotating drum designed to acquire 3D ultrasound images of the ankles. An ultrasound transducer is mounted on a mechanical arm, which positions and orients it toward the rotating axis of the drum. The collected ultrasound images will be mapped into 3D space, and the volume will be reconstructed using software developed by the manufacturer.",[9],null,[22,27],{"name":23,"role":24,"phone":25,"phoneExt":20,"email":26},"Principal Investigator","CONTACT","+416-813-6079","andrea.doria@sickkids.ca",{"name":28,"role":24,"phone":29,"phoneExt":30,"email":20},"Clinical Research Project Manager","+416-813-7654","x302482",{"type":32,"investigatorFullName":33,"investigatorTitle":34,"investigatorAffiliation":5,"oldNameTitle":20,"oldOrganization":20},"PRINCIPAL_INVESTIGATOR","Andrea Doria","Radiologist",[36],{"name":37,"class":6},"Western University, Canada","100627741","3d-ultrasound-in-hemophilic-ankles-100627741",false,"NCT07452575","3D Ultrasound in Hemophilic Ankles","Can Ultrasound \"See\" What Clinicians Cannot in Hemophilic Arthropathy? Point-of-Care Ultrasound and Physical Examination Perspectives","Inclusion Criteria:\n\n* Diagnosis of hemophilia A or B or other bleeding disorders\n* Cooperative patients\n* Previous study joint bleed (by history) or suspicion of an acute joint bleed\n\nExclusion Criteria:\n\n* Co-morbid chronic illnesses causing osteoarticular findings\n* MRI contraindications","ALL","5 Years","18 Years",{"count":49,"type":50},11,"ESTIMATED","INTERVENTIONAL",[53],"NA","The study examines whether a mechanical arm ultrasound system provides diagnostic accuracy comparable to expert-performed full ultrasound for detecting key joint components and whether it can reduce acquisition variability without compromising accuracy, as measured by false-positive and false-negative rates.",[56],"Hemophilia",[58,59,60,61],"hemophilia","ultrasound","mechanical arm","children","NOT_YET_RECRUITING","2026-03-02",{"date":65,"type":66},"2026-03-05","ACTUAL",{"date":68,"type":50},"2026-04-01",{"date":70,"type":50},"2027-12-31",{"name":5,"class":6}]