About this trial
The aim of this observational study is to determine the prevalence of OTOF gene variants among patients with auditory neuropathy spectrum disorder (ANSD). The primary research question is whether patients with ANSD carry a pathogenic or likely pathogenic OTOF gene variant. Participants will undergo genetic analysis of the OTOF gene.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Informed consent.
Disqualifiers
1) Known acquired risk factors of ANSD as preterm, hypoxia, hyperbilirubinemia. 2) Conductive hearing loss. 3) Syndromic ANSD hearing loss. 3) Binaural cochlear implants. 4) Inner ear malformation, cochlear nerve aplasia or hypoplasia.
Trial population
The study population will consist of patients diagnosed with auditory neuropathy spectrum disorder (ANSD) who meet the predefined eligibility criteria and attend the participating audiology/otolaryngology clinic during the study recruitment period. Eligible participants will undergo genetic analysis to assess for pathogenic or potentially pathogenic variants in the OTOF gene. Participants may include children and adults with ANSD, regardless of sex.
Trial design
Case-only
Cross-sectional
Treatments tested in this trial
Whole exome sequencing.
Diagnostic testWhole exome sequencing (WES) will be performed on a biological sample obtained from each eligible participant to analyze the protein-coding regions of the genome. The analysis will specifically assess the OTOF gene for genetic variants associated with auditory neuropathy spectrum disorder (ANSD), while other clinically relevant variants identified through the sequencing may also be documented according to the study protocol. Identified OTOF variants will be classified according to established variant-interpretation criteria.
Treatment groups
Trial outcomes
Primary outcomes
Study OTOF gene variants among patients with non-syndromic auditory neuropathy spectrum disorder
Sponsors and contacts
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