Prelingual non-syndromic genetic hearing loss
MONDO:0016297A rare, genetically highly heterogeneous otorhinolaryngologic disease, resulting from inner and/or middle ear or hearing nerve anomalies, typically characterized by bilateral, severe to profound hearing loss (mean sensorineural hearing impairment of 60 dB or more for 500-, 1,000-, and 2,000-Hz frequency tones in the better ear) which occurs before the onset of speech development and is not associated with visible external ear abnormalities or any other medical problems. It is usually nonprogressive and impedes oral language acquisition.
Also known as: prelingual non-syndromic genetic hearing loss, isolated prelingual genetic deafness, prelingual non-syndromic genetic deafness
37 clinical trials for this condition and its sub-types, 5 tagged with Prelingual non-syndromic genetic hearing loss itself.
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Browse by category →Sub-types of Prelingual non-syndromic genetic hearing loss
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Scientists hunt for gene behind severe childhood deafness
Knowledge-focused CompletedThis completed study looked at 150 children with severe to profound hearing loss to find how many have a specific genetic form called DFNB9. Researchers collected medical and genetic data from routine care. The goal was to better understand this condition and pave the way for fut…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:05 UTC
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Study tracks how cochlear implants affect Kids' brain and speech over 3 years
Knowledge-focused CompletedThis study followed 50 children who received cochlear implants, measuring their brain's electrical responses to sounds and comparing them with speech and language test results over three years. The goal was to see if certain brain wave patterns could predict how well a child deve…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 26, 2026 15:59 UTC