[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638075":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":15,"centralContacts":20,"locations":10,"responsibleParty":26,"collaborators":10,"id":29,"slug":30,"hasResults":31,"nctId":32,"briefTitle":33,"officialTitle":34,"acronym":35,"eligibilityCriteria":36,"healthyVolunteers":31,"sex":37,"minAge":38,"maxAge":39,"enrollmentInfo":40,"targetDuration":43,"studyType":44,"phases":10,"briefSummary":45,"conditions":46,"keywords":10,"overallStatus":48,"whyStopped":10,"lastUpdateSubmitDate":49,"lastUpdatePostDateStruct":50,"startDateStruct":53,"completionDateStruct":55,"leadSponsor":57,"locationsCount":10},{"fullName":5,"class":6},"Chinese PLA General Hospital","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"Positive group",null,"Metallic-clip model group",{"label":13,"type":10,"description":14,"interventionNames":10},"Negative control group","Negative postoperative control group",[16],{"name":17,"affiliation":18,"role":19},"Feng","PLA General Hospital","PRINCIPAL_INVESTIGATOR",[21],{"name":22,"role":23,"phone":24,"phoneExt":10,"email":25},"Cao","CONTACT","+8601066937166","fc194@163.com",{"type":19,"investigatorFullName":27,"investigatorTitle":28,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Cong Feng","Professor","100638075","prospective-study-of-high-penetration-super-resolution-transcranial-ultrasound-for-early-identification-of-postoperative-intracranial-metallic-targets-after-aneurysm-clipping-100638075",false,"NCT07583225","Prospective Study of High-penetration Super-resolution Transcranial Ultrasound for Early Identification of Postoperative Intracranial Metallic Targets After Aneurysm Clipping","Clinical Model-Based Evaluation of High-Penetration Super-Resolution Transcranial Ultrasound for Early Diagnosis of Intracranial Metallic Foreign Bodies in Patients After Intracranial Aneurysm Clipping","HPSR-TCUS Clip","Inclusion Criteria:\n\n1. Age 18-85 years;\n2. Positive group: patients undergoing intracranial aneurysm clipping with implanted metallic clips; negative control group: postoperative craniotomy patients without implanted clips;\n3. Ability to complete transcranial ultrasound within 3 hours after surgery;\n4. Availability of postoperative CT;\n5. Written informed consent from the participant or legally authorized representative.\n\nExclusion Criteria:\n\n1. Inability to complete standardized transcranial ultrasound;\n2. Missing postoperative CT;\n3. Inability to establish the composite reference standard;\n4. Presence of non-study-related metallic materials that may substantially interfere with target identification;\n5. Withdrawal of consent;\n6. Investigator judgment that continued participation is inappropriate.","ALL","18 Years","85 Years",{"count":41,"type":42},78,"ESTIMATED","1 Day","OBSERVATIONAL","To evaluate the patient-level early diagnostic performance of high-penetration super-resolution transcranial ultrasound for identifying intracranial metallic targets, and to further assess clip-level detection, localization, agreement, and its complementary value to routine postoperative imaging.This study does not alter routine clinical treatment. All participants will undergo standardized high-penetration super-resolution transcranial ultrasound within 3 hours after surgery. Postoperative CT is mandatory for all participants; CTA or other routine postoperative imaging will be obtained only when clinically indicated.",[47],"Intracranial Aneurysms","NOT_YET_RECRUITING","2026-05-12",{"date":51,"type":52},"2026-05-15","ACTUAL",{"date":54,"type":42},"2026-05-30",{"date":56,"type":42},"2027-04-30",{"name":5,"class":6}]