[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100615066":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":29,"centralContacts":29,"locations":50,"responsibleParty":70,"collaborators":74,"id":78,"slug":79,"hasResults":80,"nctId":81,"briefTitle":82,"officialTitle":83,"acronym":29,"eligibilityCriteria":84,"healthyVolunteers":80,"sex":85,"minAge":86,"maxAge":29,"enrollmentInfo":87,"targetDuration":29,"studyType":90,"phases":91,"briefSummary":93,"conditions":94,"keywords":96,"overallStatus":52,"whyStopped":29,"lastUpdateSubmitDate":104,"lastUpdatePostDateStruct":105,"startDateStruct":108,"completionDateStruct":110,"leadSponsor":112,"locationsCount":113},{"fullName":5,"class":6},"Purdue University","OTHER",[8,16],{"label":9,"type":10,"description":11,"interventionNames":12},"Hearing Aid Noise-Reduction Processing","EXPERIMENTAL","Participants complete all noise-reduction conditions (Off, Low, High) at all tested signal-to-noise ratios in a within-subject crossover design.",[13,14,15],"Device: Hearing Aid Noise Reduction - Off","Device: Hearing Aid Noise Reduction - Low","Device: Hearing Aid Noise Reduction - High",{"label":17,"type":10,"description":18,"interventionNames":19},"Signal-to-Noise Ratio","Relative speech and noise levels",[20,21,22],"Other: Negative SNR","Other: Zero signal-to-noise ratio","Other: Positive SNR",[24,30,34,38,42,46],{"type":25,"name":26,"description":27,"armGroupLabels":28,"otherNames":29},"DEVICE","Hearing Aid Noise Reduction - Off","No neural noise suppression applied. Baseline processing condition.",[9],null,{"type":25,"name":31,"description":32,"armGroupLabels":33,"otherNames":29},"Hearing Aid Noise Reduction - Low","Neural noise suppression using the lower-strength algorithm parameters.",[9],{"type":25,"name":35,"description":36,"armGroupLabels":37,"otherNames":29},"Hearing Aid Noise Reduction - High","Neural noise suppression using the higher-strength algorithm parameters.",[9],{"type":6,"name":39,"description":40,"armGroupLabels":41,"otherNames":29},"Negative SNR","Noise levels higher than speech levels",[17],{"type":6,"name":43,"description":44,"armGroupLabels":45,"otherNames":29},"Zero signal-to-noise ratio","Equal speech and noise levels",[17],{"type":6,"name":47,"description":48,"armGroupLabels":49,"otherNames":29},"Positive SNR","Speech levels higher than noise levels",[17],[51],{"facility":5,"status":52,"city":53,"state":54,"zip":55,"country":56,"countryCode":57,"cosmosGeoPoint":58,"geoPoint":63,"contacts":64},"RECRUITING","West Lafayette","Indiana","47905","United States","US",{"type":59,"coordinates":60},"Point",[61,62],-86.90807,40.42587,{"lat":62,"lon":61},[65],{"name":66,"role":67,"phone":68,"phoneExt":29,"email":69},"Joshua Alexander, Ph.D.","CONTACT","765-494-5956","PurdueEarLab@gmail.com",{"type":71,"investigatorFullName":72,"investigatorTitle":73,"investigatorAffiliation":5,"oldNameTitle":29,"oldOrganization":29},"PRINCIPAL_INVESTIGATOR","Joshua M. Alexander, PhD","Associate Professor",[75],{"name":76,"class":77},"Oticon","UNKNOWN","100615066","evaluating-a-deep-neural-noise-reduction-algorithm-for-hearing-aids-100615066",false,"NCT07287774","Evaluating a Deep Neural Noise-Reduction Algorithm for Hearing Aids","Evaluating a Deep Neural Noise-Reduction Algorithm for Hearing Aids in Varying Signal-to-Noise Conditions","Inclusion Criteria:\n\n* A hearing aid candidate with mild-to-moderate cochlear hearing loss, based on audiometric profile (at least 20 dB of hearing loss at 2000 Hz, with progressively worse hearing levels at higher frequencies).\n\nExclusion Criteria:\n\n* Normal hearing\n* Severe or profound hearing loss\n* Conductive hearing loss\n* Neural hearing loss","ALL","18 Years",{"count":88,"type":89},50,"ESTIMATED","INTERVENTIONAL",[92],"NA","This study is designed to understand how different hearing-aid noise-reduction technologies affect a listener's ability to hear speech in noisy environments. Participants will listen to speech at several background-noise levels while trying different processing settings. By comparing performance across these conditions, the study aims to identify which types of noise reduction improve speech intelligibility the most. We expect that some noise-reduction strategies will help listeners understand speech better than others, especially in more difficult listening situations.",[95],"Hearing Loss, Cochlear",[97,98,99,100,101,102,103],"hearing aids","noise reduction","speech understanding","listening in noise","speech perception","hearing loss","background noise","2025-12-12",{"date":106,"type":107},"2025-12-17","ACTUAL",{"date":109,"type":107},"2025-10-16",{"date":111,"type":89},"2026-04-30",{"name":5,"class":6},1]