[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100637474":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":12,"centralContacts":16,"locations":22,"responsibleParty":37,"collaborators":10,"id":40,"slug":41,"hasResults":42,"nctId":43,"briefTitle":44,"officialTitle":45,"acronym":10,"eligibilityCriteria":46,"healthyVolunteers":42,"sex":47,"minAge":48,"maxAge":10,"enrollmentInfo":49,"targetDuration":10,"studyType":52,"phases":10,"briefSummary":53,"conditions":54,"keywords":59,"overallStatus":24,"whyStopped":10,"lastUpdateSubmitDate":65,"lastUpdatePostDateStruct":66,"startDateStruct":69,"completionDateStruct":71,"leadSponsor":73,"locationsCount":74},{"fullName":5,"class":6},"Oslo University Hospital","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"Imaging Comparison Group",null,"All participants undergo contrast-enhanced CT and multiparametric MRI (VI-RADS) as part of routine diagnostic work-up prior to transurethral resection of the bladder tumor or cystectomy. Imaging findings are compared with histopathology for assessment of diagnostic accuracy.",[13],{"name":14,"affiliation":5,"role":15},"Andreas Habberstad, MD, PhD","PRINCIPAL_INVESTIGATOR",[17],{"name":18,"role":19,"phone":20,"phoneExt":10,"email":21},"Study Coordinator, Department of Urology","CONTACT","+47 22 89 40 00","postmottak@ous-hf.no",[23],{"facility":5,"status":24,"city":25,"state":10,"zip":10,"country":26,"countryCode":27,"cosmosGeoPoint":28,"geoPoint":33,"contacts":34},"RECRUITING","Oslo","Norway","NO",{"type":29,"coordinates":30},"Point",[31,32],10.74609,59.91273,{"lat":32,"lon":31},[35,36],{"name":18,"role":19,"phone":20,"phoneExt":10,"email":21},{"name":14,"role":15,"phone":10,"phoneExt":10,"email":10},{"type":15,"investigatorFullName":38,"investigatorTitle":39,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Andreas Habberstad","Principal Investigator","100637474","comparison-of-ct-and-mr-vi-rads-imaging-for-local-bladder-cancer-staging-100637474",false,"NCT07602010","Comparison of CT and MR (VI-RADS) Imaging for Local Bladder Cancer Staging","Prospective Diagnostic Accuracy Study Comparing CT and MRI (VI-RADS) for Local Staging of Newly Diagnosed Bladder Cancer","Inclusion Criteria:\n\n* Age ≥ 18 years\n* Newly diagnosed bladder cancer on cystoscopy\n* Planned TURBT or cystectomy within 6 weeks\n* Eligible for both CT and MRI within 6 weeks\n* Written informed consent provided\n\nExclusion Criteria:\n\n* Contraindications to MRI or iodinated contrast media\n* Prior treatment for bladder cancer\n* Pregnancy\n* Non-malignant bladder lesions\n* Tumors located in bladder diverticula","ALL","18 Years",{"count":50,"type":51},150,"ESTIMATED","OBSERVATIONAL","This prospective diagnostic accuracy study compares computed tomography (CT) and multiparametric magnetic resonance imaging (MRI) using the Vesical Imaging-Reporting and Data System (VI-RADS) for local staging of newly diagnosed bladder cancer. All participants undergo both imaging modalities prior to transurethral resection of the bladder tumor (TURBT) or cystectomy. Histopathology serves as the reference standard.",[55,56,57,58],"Bladder Cancer","Urothelial Carcinoma (UC)","Muscle Invasive Bladder Cancer (MIBC)","Non Muscle Invasive Bladder Cancer",[60,61,62,63,64],"MRI","Computed Tomography","VI-RADS","Local Staging","Diagnostic Accuracy","2026-05-15",{"date":67,"type":68},"2026-05-22","ACTUAL",{"date":70,"type":68},"2026-04-22",{"date":72,"type":51},"2028-10-31",{"name":5,"class":6},1]