[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100363388":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":23,"locations":32,"responsibleParty":51,"collaborators":54,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":62,"acronym":10,"eligibilityCriteria":63,"healthyVolunteers":60,"sex":64,"minAge":65,"maxAge":10,"enrollmentInfo":66,"targetDuration":10,"studyType":69,"phases":10,"briefSummary":70,"conditions":71,"keywords":73,"overallStatus":35,"whyStopped":10,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"University of South Florida","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"ShuntCheck",null,"Participants will be administered the ShuntCheck diagnostic test.",[13],"Diagnostic Test: ShuntCheck",[15],{"type":16,"name":9,"description":17,"armGroupLabels":18,"otherNames":10},"DIAGNOSTIC_TEST","The intervention is an FDA-cleared device utilizing a transcutaneous thermal convection to analyze shunt flow.",[9],[20],{"name":21,"affiliation":5,"role":22},"Naomi Abel, MD","PRINCIPAL_INVESTIGATOR",[24,28],{"name":21,"role":25,"phone":26,"phoneExt":10,"email":27},"CONTACT","813 259-0904","nabel@usf.edu",{"name":29,"role":25,"phone":30,"phoneExt":10,"email":31},"Rachel Karlnoski, MD","813 974 8558","Karlnosk@usf.edu",[33],{"facility":34,"status":35,"city":36,"state":37,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"University of South Florida Department of Neurological Surgery and Brain Repair","RECRUITING","Tampa","Florida","33606","United States","US",{"type":42,"coordinates":43},"Point",[44,45],-82.45843,27.94752,{"lat":45,"lon":44},[48,50],{"name":21,"role":25,"phone":26,"phoneExt":10,"email":49},"nabel@health.usf.edu",{"name":21,"role":22,"phone":10,"phoneExt":10,"email":10},{"type":22,"investigatorFullName":52,"investigatorTitle":53,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Naomi Abel","Assistant Professor, College of Medicine Neurosurgery",[55],{"name":56,"class":57},"NeuroDx Development","INDUSTRY","100363388","assessment-of-shuntcheck-performance-characteristics-in-asymptomatic-patients-with-normal-pressure-hydrocephalus-100363388",false,"NCT04011566","Assessment of ShuntCheck Performance Characteristics in Asymptomatic Patients With Normal Pressure Hydrocephalus","Inclusion Criteria:\n\n* Asymptomatic men or women 40 years old or older and have a ventriculoperitoneal shunt placed for normal pressure hydrocephalus and are visiting for routine care.\n* Capable of providing valid signed informed consent, or has a legal guardian, health care agent, or surrogate decision maker capable of providing valid, signed informed consent.\n\nExclusion Criteria:\n\n* Presence of multiple shunts, or presence of more than one distal shunt catheter (regardless of function) crossing the clavicle ipsilateral to the shunt with suspected obstruction;\n* ShuntCheck test would interfere with standard patient care, or emergency shunt surgery that cannot be delayed is indicated;\n* Presence of an interfering open wound or edema over any portion of the ventriculoperitoneal shunt.","ALL","40 Years",{"count":67,"type":68},50,"ESTIMATED","OBSERVATIONAL","The purpose of the study is to determine if the ShuntCheck test can correctly identify flow or no flow in a ventriculoperitoneal shunt in patients with asymptomatic normal pressure hydrocephalus.",[72],"Hydrocephalus, Normal Pressure",[74,75],"Asymptomatic Normal Pressure Hydrocephalus","Ventriculoperitoneal Shunt","2026-05-14",{"date":78,"type":79},"2026-05-19","ACTUAL",{"date":81,"type":79},"2019-06-11",{"date":83,"type":68},"2026-11",{"name":5,"class":6},1]