[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100629546":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":28,"centralContacts":32,"locations":23,"responsibleParty":40,"collaborators":43,"id":47,"slug":48,"hasResults":49,"nctId":50,"briefTitle":51,"officialTitle":51,"acronym":23,"eligibilityCriteria":52,"healthyVolunteers":49,"sex":53,"minAge":54,"maxAge":55,"enrollmentInfo":56,"targetDuration":23,"studyType":59,"phases":60,"briefSummary":62,"conditions":63,"keywords":65,"overallStatus":71,"whyStopped":23,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":76,"completionDateStruct":78,"leadSponsor":80,"locationsCount":23},{"fullName":5,"class":6},"Luzerner Kantonsspital","OTHER",[8,14],{"label":9,"type":6,"description":10,"interventionNames":11},"Sequence A, subjective followed by objective fitting","In this sequence, the EAS is fitted in the first three months (period 1) using the subjective fitting method based on the thresholds in the pure tone audiogram. This is followed by three months (period 2) fitting using the objective fitting method based on the thresholds from electrocochleography.",[12,13],"Other: The objective fitting method of the EAS based on the thresholds of electrocochleography is the intervention of our study.","Other: The subjective adjustment of an EAS based on thresholds from the pure tone audiogram.",{"label":15,"type":6,"description":16,"interventionNames":17},"Sequence B, objective followed by subjective fitting","In this sequence, the EAS is fitted in the first three months (period 1) using the objective fitting method based on the thresholds from electrocochleography. This is followed by three months (period 2) fitting using the subjective fitting method based on the thresholds in the pure tone audiogram.",[12,13],[19,24],{"type":6,"name":20,"description":21,"armGroupLabels":22,"otherNames":23},"The objective fitting method of the EAS based on the thresholds of electrocochleography is the intervention of our study.","Measured ECochG thresholds will be used in the initial EAS fitting in period 1 for sequence B. For sequence A, the ECochG-based EAS fitting (with up-to-date ECochG thresholds) will take place three months later at the beginning of period 2.",[9,15],null,{"type":6,"name":25,"description":26,"armGroupLabels":27,"otherNames":23},"The subjective adjustment of an EAS based on thresholds from the pure tone audiogram.","The control intervention is the subjective EAS fitting based on PTAs. This is provided to sequence A at the beginning of period 1 baseline and to sequence B at the beginning of period 2.",[9,15],[29],{"name":30,"affiliation":5,"role":31},"Armina Kreuzer, Dr.","PRINCIPAL_INVESTIGATOR",[33,37],{"name":30,"role":34,"phone":35,"phoneExt":23,"email":36},"CONTACT","+41 205 50 59","armina.kreuzer@luks.ch",{"name":38,"role":34,"phone":23,"phoneExt":23,"email":39},"Wai Kong Lai, Dr.","waikong.lai@luks.ch",{"type":31,"investigatorFullName":41,"investigatorTitle":42,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"Armina Kreuzer","Senior Audiologist",[44],{"name":45,"class":46},"MED-EL Elektromedizinische Geräte GesmbH","INDUSTRY","100629546","optimization-and-validation-of-electric-acoustic-stimulation-eas-mapping-as-a-function-of-residual-hearing-after-ci-implantation-100629546",false,"NCT07476079","Optimization and Validation of Electric Acoustic Stimulation (EAS) Mapping as a Function of Residual Hearing After CI-Implantation","Inclusion Criteria:\n\n1. Patients aged between 18-85 years.\n2. Cochlear Implant (CI) candidates with measurable post-operative low-frequency residual hearing (125Hz \\\u003C65dB, 250Hz \\\u003C65dB, 500Hz \\\u003C65dB).\n3. Only patients with MED-EL EAS.\n4. Written informed consent must be obtained prior to study start.\n\nExclusion Criteria:\n\n1. Patients with cognitive impairments who, as a result, lack the capacity to make decisions.\n2. Uncooperative patients regarding pure tone audiometry thresholds measurements.\n3. Morbus Menière or intracochlear\u002F vestibular schwannoma","ALL","18 Years","85 Years",{"count":57,"type":58},12,"ESTIMATED","INTERVENTIONAL",[61],"NA","The aim of this clinical study is to investigate how the fitting of an EAS (electrical acoustic stimulation) based on electrocochleography (ECochG) thresholds compares to fitting based on pure tone audiogram thresholds in terms of speech intelligibility in quiet and noise. The personal feedback from the study participants regarding the question of better fitting and the resulting sound quality should also be included in the analysis.",[64],"Fitting Methods by EAS Patients",[66,67,68,69,70],"Cochlear Implant patients","Residual hearing in the low frequency range","EAS","fitting methods","electrocochleography","NOT_YET_RECRUITING","2026-04-23",{"date":74,"type":75},"2026-04-24","ACTUAL",{"date":77,"type":58},"2026-05-01",{"date":79,"type":58},"2027-11-01",{"name":5,"class":6}]