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The research about clinical phenotype, influence factors and genetic susceptibility of hearing loss in the Han people exposed to occupational noise

The research about clinical phenotype, influence factors and genetic susceptibility of hearing loss in the Han people exposed to occupational noise

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-RRC-17012145
Enrollment
Unknown
Registered
2017-07-26
Start date
2017-07-31
Completion date
Unknown
Last updated
2017-08-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

noise-induced hearing loss

Interventions

case group:N/A
control group:N/A

Sponsors

Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Individual between 18 ~ 60 years old; 2. Individual who has exposed to occupational noise from 1 to 20 years; 3. Individuals whose occupational noise exposure intensity is 85 dB (A) or higher.

Exclusion criteria

Exclusion criteria: 1. Individual who has a history of head or ear injury, familial or congenital deafness, ototoxic drug use, otitis media, mumps, measles, tympanic membrane perforation, etc.; 2. Individual whose pure tone hearing test curve seems horizontal or approximate linear, or the linguistic frequency hearing loss is greater than or equal to the high frequency hearing loss, and pseudo deaf, etc.

Design outcomes

Primary

MeasureTime frame
pure tone audiometry;genotype sequence;—

Countries

China

Contacts

Public ContactHao Wu

Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine

wuhao@sh9hospital.org+86 13601621152

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026