[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"congenital-deafness\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:congenital-deafness":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,45],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":4,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":4,"overallStatus":32,"whyStopped":4,"lastUpdateSubmitDate":33,"lastUpdatePostDateStruct":34,"startDateStruct":37,"completionDateStruct":39,"leadSponsor":41,"locationsCount":44},"100470205","natural-history-in-children-up-to-16-years-with-mild-to-profound-hearing-loss-due-to-mutations-in-gjb2--otof-genes-100470205",false,"NCT05402813","Natural History in Children up to 16 Years With Mild to Profound Hearing Loss Due to Mutations in GJB2 \u002F OTOF Genes","Longitudinal Study of the Natural History of Two Autosomal Recessive Non Syndromic Deafness (DFNB1A and DFNB9) in Children up to 16 Years of Age","Otoconex","Main Inclusion Criteria:\n\nParticipants meeting all the following main inclusion criteria will be eligible to participate in the study:\n\n* Aged ≤ 16 years on the date of signed informed consent for cohort 1 and ≤ 10 years for cohort 2;\n* With a diagnosis of non-syndromic, bilateral, mild to profound, sensorineural hearing loss (according to the American Speech Language-Hearing Association);\n* With documented genotyping results showing mutation(s) in GJB2 or OTOF genes;\n* Written informed consent as required by local regulations.\n* Either without Cochlear Implant, or with unilateral or bilateral Cochlear Implant(s)\n\nExclusion Criteria:\n\nParticipants presenting with any of the following main exclusion criteria will not be included in the study\n\n* Other type of deafness, such as unilateral deafness, persistent conductive deafness, malformation syndrome, syndromic deafness, known familial deafness linked to mutations in other genes than OTOF or GJB2;\n* Documented genotyping results showing pathogenic mutation(s) in other gene(s) than GJB2 or OTOF genes in the tested panel;\n* Unable and\u002For unwilling to comply with all the protocol requirements and\u002For study procedures.","ALL","16 Years",{"count":20,"type":21},180,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to follow the natural history of non-syndromic hearing loss caused by mutations in two genes (GJB2 or OTOF) in children up to 16 years of age.",[25,26,27,28,29,30,31],"Sensorineural Hearing Loss, Bilateral","AUNB1","DFNB1A","Congenital Deafness","DFNB9","OTOF Gene Mutation","GJB2 Gene Mutation","RECRUITING","2026-05-28",{"date":35,"type":36},"2026-06-01","ACTUAL",{"date":38,"type":36},"2022-11-18",{"date":40,"type":21},"2031-06",{"name":42,"class":43},"Sensorion","INDUSTRY",1,{"id":46,"slug":47,"hasResults":11,"nctId":48,"briefTitle":49,"officialTitle":50,"acronym":4,"eligibilityCriteria":51,"healthyVolunteers":11,"sex":17,"minAge":4,"maxAge":52,"enrollmentInfo":53,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":55,"conditions":56,"keywords":4,"overallStatus":58,"whyStopped":4,"lastUpdateSubmitDate":59,"lastUpdatePostDateStruct":60,"startDateStruct":62,"completionDateStruct":64,"leadSponsor":66,"locationsCount":4},"100544197","genetic-feature-of-congenital-hearing-loss-in-chinese-population-100544197","NCT06365749","Genetic Feature of Congenital Hearing Loss in Chinese Population","Exome Sequencing Explored the Genetic Characteristics Congenital Hearing Loss in Chinese Population","Inclusion Criteria:\n\n* Age up to 6 months\n* Fail in the neonatal hearing screening programs, including oto-acoustic emissions and automated auditory brain stem response\n* Promise to complete the tests required at baseline and follow-ups by the legal representative\n* Informed consent by the legal representative\n\nExclusion Criteria:\n\n* Congenital infections related to acquired or congenital hearing loss, including rubella virus, cytomegalovirus, herpes simplex virus, rubella virus, toxoplasma gondii and treponema pallidum infections\n* Other explicit otologic conditions which could induce hearing loss, including cerumen, otitis media, congenital middle ear abnormalities, microtia and external ear abnormalities\n* A drug with ototoxicity usage during pregnancy\n* Other severe congenital anomalies","6 Months",{"count":54,"type":21},50,"Congenital hearing loss, as well as hearing loss present at birth, is one of the most common chronic conditions in children, with a prevalence of permanent bilateral hearing loss of 2.83 per 1000 children of primary school age, which is mainly caused by genetic factors. The goal of this observational study is to learn about novel causative genes in infants with hearing loss in the Chinese population. The main problem it aims to deal with are:\n\n* to present the genetic characteristics of the infant with hearing loss in the Chinese population\n* to build up a prognostic model base on diverse data.\n\nParticipants will be asked to receive audiological tests and collection of the peripheral blood sample.",[57,28],"Congenital Hearing Loss","NOT_YET_RECRUITING","2024-04-09",{"date":61,"type":36},"2024-04-15",{"date":63,"type":21},"2024-04-23",{"date":65,"type":21},"2026-11-23",{"name":67,"class":68},"Dan Bing","OTHER"]