[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100527052":3},{"organization":4,"armGroups":7,"interventions":22,"overallOfficials":30,"centralContacts":34,"locations":44,"responsibleParty":61,"collaborators":65,"id":68,"slug":69,"hasResults":70,"nctId":71,"briefTitle":72,"officialTitle":73,"acronym":74,"eligibilityCriteria":75,"healthyVolunteers":76,"sex":77,"minAge":78,"maxAge":79,"enrollmentInfo":80,"targetDuration":10,"studyType":83,"phases":10,"briefSummary":84,"conditions":85,"keywords":87,"overallStatus":47,"whyStopped":10,"lastUpdateSubmitDate":91,"lastUpdatePostDateStruct":92,"startDateStruct":95,"completionDateStruct":97,"leadSponsor":99,"locationsCount":100},{"fullName":5,"class":6},"University Hospital Bispebjerg and Frederiksberg","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Control",null,"Healthy Controls. Super-Resolution Ultrasound Imaging of Erythrocytes (SURE) of both Achilles and Patellar Tendons.",[13],"Diagnostic Test: Super-Resolution Ultrasound Imaging of Erythrocytes (SURE)",{"label":15,"type":10,"description":16,"interventionNames":17},"Tendinopathy Achilles","Patients with Achilles Tendinopathy. Super-Resolution Ultrasound Imaging of Erythrocytes (SURE) of Achilles Tendons.",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"Tendinopathy Patellar","Patients with Patellar Tendinopathy. Super-Resolution Ultrasound Imaging of Erythrocytes (SURE) of Patellar Tendons.",[13],[23],{"type":24,"name":25,"description":26,"armGroupLabels":27,"otherNames":28},"DIAGNOSTIC_TEST","Super-Resolution Ultrasound Imaging of Erythrocytes (SURE)","Research ultrasound sequence for tracking erythrocytes and thereby generating a super-resolution image of the vasculature.",[9,15,19],[29],"Ultrasonography",[31],{"name":32,"affiliation":5,"role":33},"Michael Kjaer, PhD","STUDY_DIRECTOR",[35,40],{"name":36,"role":37,"phone":38,"phoneExt":10,"email":39},"Rene B Svensson, PhD","CONTACT","+45 38635870","rene.brueggebusch.svensson@regionh.dk",{"name":41,"role":37,"phone":42,"phoneExt":10,"email":43},"Max FR Merkel, MSc","+45 38635059","max.flemming.ravn.merkel@regionh.dk",[45],{"facility":46,"status":47,"city":48,"state":10,"zip":49,"country":50,"countryCode":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"Institute of Sports Medicine","RECRUITING","Copenhagen","2400","Denmark","DK",{"type":53,"coordinates":54},"Point",[55,56],12.56553,55.67594,{"lat":56,"lon":55},[59,60],{"name":36,"role":37,"phone":38,"phoneExt":10,"email":39},{"name":41,"role":37,"phone":42,"phoneExt":10,"email":43},{"type":62,"investigatorFullName":63,"investigatorTitle":64,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","René B. Svensson","Senior Researcher",[66],{"name":67,"class":6},"Technical University of Denmark","100527052","tracking-of-red-blood-cells-using-super-resolution-ultrasound-in-persons-with-healthy-or-overuse-injured-tendons-100527052",false,"NCT06142747","Tracking of Red Blood Cells Using Super Resolution Ultrasound in Persons With Healthy or Overuse Injured Tendons","SUper-Resolution Ultrasound Imaging of Erythrocytes (SURE) in Normal and Tendinopathic Tendons","SURE-TEND","Inclusion Criteria:\n\n* 18 to 70 years of age.\n* BMI below 30.\n* Able to lie still for 1 minute.\n* Capable of providing signed informed consent.\n\nExclusion Criteria:\n\n* Pregnancy.\n* Dementia.\n* Smoking.\n* Diabetes.\n* Arthritis.\n* Current or historical injuries to the tendon or surrounding tissue aside from tendinopathy.\n* Medical or surgical treatments for their tendinopathy that may influence blood flow.",true,"ALL","18 Years","70 Years",{"count":81,"type":82},135,"ESTIMATED","OBSERVATIONAL","The goal of this observational study is to test whether a new ultrasound method, called SUper Resolution ultrasound imaging of Erythrocytes (SURE), can image the small blood vessels found in tendons of persons with a tendon overuse injury (tendinopathy). The main questions it aims to answer are:\n\n* Is the method sensitive enough to detect the smallest blood vessels\n* What information about the blood flow can be obtained (flow velocity, pressure, shape of the vessels)\n* Can the flow in an injured tendon be distinguished from that of a healthy one\n\nParticipants will receive a non-invasive ultrasound examination of their Achilles (heel) or patellar (knee) tendon, using an advanced high frequency research ultrasound system.\n\nResearchers will compare participants with either an Achilles or patellar tendon overuse injury to participants with healthy tendons, to see if there are distinct differences in the blood vessels that could help diagnose and treat the injuries.",[86],"Tendinopathy",[88,89,90,29],"Tendon Overuse Injury","Achilles Tendon","Patellar Tendon","2026-01-20",{"date":93,"type":94},"2026-01-22","ACTUAL",{"date":96,"type":94},"2024-02-08",{"date":98,"type":82},"2028-01",{"name":5,"class":6},1]