[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100550919":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":25,"locations":34,"responsibleParty":48,"collaborators":50,"id":55,"slug":24,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":60,"eligibilityCriteria":61,"healthyVolunteers":56,"sex":62,"minAge":63,"maxAge":24,"enrollmentInfo":64,"targetDuration":24,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":74,"overallStatus":36,"whyStopped":24,"lastUpdateSubmitDate":80,"lastUpdatePostDateStruct":81,"startDateStruct":84,"completionDateStruct":86,"leadSponsor":88,"locationsCount":89},{"fullName":5,"class":6},"Radboud University Medical Center","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Cochleostomy","ACTIVE_COMPARATOR","When employing the cochleostomy approach, a carefully positioned opening will be drilled anterior-inferior to the eRW membrane.",[13],"Procedure: Surgical approach: cochleostomy or extended round window",{"label":15,"type":10,"description":16,"interventionNames":17},"extended Round Window","In case of the extended round window approach, the scala tympani will be accessed through the extended round window technique, involving the creation of a round window margin cochleostomy.",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"PROCEDURE","Surgical approach: cochleostomy or extended round window","Surgical placement of a cochlear implant electrode array",[9,15],null,[26,31],{"name":27,"role":28,"phone":29,"phoneExt":24,"email":30},"Coby Lindeboom, MD","CONTACT","024 361 14934","Coby.lindeboom@radboudumc.nl",{"name":32,"role":28,"phone":24,"phoneExt":24,"email":33},"Emmanuel Mylanus","Emmanuel.Mylanus@radboudumc.nl",[35],{"facility":5,"status":36,"city":37,"state":24,"zip":24,"country":38,"cosmosGeoPoint":39,"geoPoint":44,"contacts":45},"RECRUITING","Nijmegen","Netherlands",{"type":40,"coordinates":41},"Point",[42,43],5.85278,51.8425,{"lat":43,"lon":42},[46],{"name":47,"role":28,"phone":24,"phoneExt":24,"email":30},"Lindeboom",{"type":49,"investigatorFullName":24,"investigatorTitle":24,"investigatorAffiliation":24,"oldNameTitle":24,"oldOrganization":24},"SPONSOR",[51,53],{"name":52,"class":6},"GZA Ziekenhuizen Campus Sint-Augustinus",{"name":54,"class":6},"Universitaire Ziekenhuizen KU Leuven","100550919",false,"NCT06453343","Clinical Trial to Compare Two Surgical Approaches to the Cochlea","Multicenter Randomized Controlled Trial Comparing Surgical Approaches to the Cochlea for the Slim Modiolar Electrode: Assessing Intracochlear Trauma Using Intraoperative Electrocochleography Measurements and Preservation of Residual Hearing","BULLS-I","Inclusion Criteria:\n\n* Individuals aged 18 years and older who have clinically established post-linguistic sensorineural hearing loss.\n* CI candidate based on local or national reimbursement criteria.\n* Cochlear implantation with a CI632.\n* Preoperative 500 Hz pure-tone air conduction threshold \\\u003C80 dB hearing level (HL) in the ear to be implanted.\n* Willing and able to provide written informed consent.\n\nExclusion Criteria:\n\n* Previous or existing CI recipient.\n* Ossification or other anatomical abnormalities of the cochlea or its windows possibly affecting normal electrode array insertion.\n* Abnormal cochlear nerve anatomy on preoperative CT or MRI.\n* Subjects who are unable to undergo CT or MRI.\n* Deafness due to acoustic nerve or central auditory pathway lesions.\n* Diagnosis of auditory neuropathy.\n* Active middle ear infection.\n* Additional handicaps that would prevent participation in study evaluations.\n* Unrealistic expectations from the participant regarding the possible benefits, risks, and limitations inherent to the CI procedure and the investigation.\n* Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation.","ALL","18 Years",{"count":65,"type":66},50,"ESTIMATED","INTERVENTIONAL",[69],"NA","This is a prospective multicenter multinational randomized control trial. The duration of the study for the individual patient will be approximately 1 year (pre-operative assessments, 1 week, 3 months and 12 months follow-up assessments). Participants will be randomized to one of two surgical approaches: eRW or CO, with a 1:1 allocation in a parallel design.",[72,73],"Cochlear Implants","Hearing Loss, Sensorineural",[75,76,9,77,78,79],"Surgical approach","Round Window","Electrocochleography","Imaging","Residual hearing preservation","2025-02-21",{"date":82,"type":83},"2025-02-25","ACTUAL",{"date":85,"type":83},"2025-01-01",{"date":87,"type":66},"2027-11",{"name":5,"class":6},1]