[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100654912":3},{"organization":4,"outcomesModule":7,"designInfo":18,"detailedDescription":17,"studyPopulation":21,"armGroups":22,"interventions":17,"overallOfficials":29,"centralContacts":33,"locations":42,"responsibleParty":59,"collaborators":17,"id":62,"slug":63,"hasResults":64,"nctId":65,"briefTitle":66,"officialTitle":67,"acronym":17,"eligibilityCriteria":68,"healthyVolunteers":69,"sex":70,"minAge":71,"maxAge":72,"enrollmentInfo":73,"targetDuration":17,"studyType":76,"phases":17,"briefSummary":77,"conditions":78,"keywords":80,"overallStatus":87,"whyStopped":17,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":94,"leadSponsor":96,"locationsCount":97},{"fullName":5,"class":6},"Ondokuz Mayıs University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":17},[9],{"measure":10,"description":11,"timeFrame":12},"Pure-Tone Audiometry Hearing Thresholds","Hearing thresholds were assessed by pure-tone audiometry at 250, 500, 1000, 2000, and 4000 Hz in both ears and compared between the study and control groups.","Baseline",[14],{"measure":15,"description":16,"timeFrame":12},"Acoustic Reflex Thresholds","Ipsilateral and contralateral acoustic reflex thresholds were assessed at 500, 1000, 2000, and 4000 Hz and compared between the study and control groups.",null,{"allocation":17,"interventionModel":17,"interventionModelDescription":17,"primaryPurpose":17,"observationalModel":19,"timePerspective":20,"maskingInfo":17},"COHORT","CROSS_SECTIONAL","Fuel station employees aged 20-60 years and healthy individuals with similar sociodemographic characteristics who had no occupational exposure to noise or chemicals.",[23,26],{"label":24,"type":17,"description":25,"interventionNames":17},"Study Group","Fuel station workers exposed to occupational noise and chemical substances.",{"label":27,"type":17,"description":28,"interventionNames":17},"Control Group","Healthy individuals with similar sociodemographic characteristics and no exposure to occupational noise or chemical substances.",[30],{"name":31,"affiliation":5,"role":32},"Handan TURAN DİZDAR, PhD","PRINCIPAL_INVESTIGATOR",[34,38],{"name":31,"role":35,"phone":36,"phoneExt":17,"email":37},"CONTACT","+90 505 597 06 27","handan.dizdar@omu.edu.tr",{"name":39,"role":35,"phone":40,"phoneExt":17,"email":41},"Işılay Kaplan, Audiologist","+90 555 897 03 66","isilaykplan66@gmail.com",[43],{"facility":5,"status":17,"city":44,"state":17,"zip":45,"country":46,"countryCode":17,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"Samsun","55139","Turkey (Türkiye)",{"type":48,"coordinates":49},"Point",[50,51],36.3361,41.27976,{"lat":51,"lon":50},[54,57],{"name":5,"role":35,"phone":55,"phoneExt":17,"email":56},"+90 362 312 19 19","iletisim@omu.edu.tr",{"name":31,"role":58,"phone":17,"phoneExt":17,"email":17},"SUB_INVESTIGATOR",{"type":32,"investigatorFullName":60,"investigatorTitle":61,"investigatorAffiliation":5,"oldNameTitle":17,"oldOrganization":17},"Handan Turan Dizdar","Assistant Professor","100654912","occupational-noise-and-chemical-exposure-effects-on-auditory-and-vestibular-function-100654912",false,"NCT07806123","OCCUPATIONAL NOISE AND CHEMICAL EXPOSURE EFFECTS ON AUDITORY AND VESTIBULAR FUNCTION","EFFECTS OF OCCUPATIONAL NOISE AND CHEMICAL EXPOSURE ON AUDITORY AND VESTIBULAR FUNCTION IN FUEL STATION EMPLOYEES","Inclusion Criteria:\n\n* Male participants aged 20-60 years who had been working at a fuel station for at least two years, had no hearing loss on their pre-employment audiogram, and had no history of balance loss or otologic surgery.\n\nExclusion Criteria:\n\n* Individuals with middle ear pathology, a history of hearing loss, vestibular disease, or neurological or psychiatric disorders.",true,"MALE","20 Years","60 Years",{"count":74,"type":75},50,"ESTIMATED","OBSERVATIONAL","This study aims to investigate the effects of occupational noise exposure on hearing and auditory functions among individuals working in noisy environments. The study evaluates the relationship between occupational noise exposure and hearing-related outcomes.",[79],"Occupational Noise Exposure",[81,82,83,84,85,86],"Chemical esposure","Fuel station employees","Noise-induced hearing loss","Occupational exposure","Ototoxicity","Vestibulotoxicity","NOT_YET_RECRUITING","2026-09-04",{"date":90,"type":91},"2026-09-08","ACTUAL",{"date":93,"type":75},"2026-09-03",{"date":95,"type":75},"2027-03-10",{"name":5,"class":6},1]