The Effect of the Same Front-End Processing Algorithm on Speech in Noise for Bimodal Fitted Hearing Impaired Subjects

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000030277

Enrollment

Unknown

Registered

2020-02-27

Start date

2020-03-10

Completion date

Unknown

Last updated

2020-03-02

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

Conditions

Hearing Loss

Interventions

Case series:Cochlear implants

Eligibility

Sex/Gender

All

Age

6 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged over 6 years old; 2. Before the test, the cochlear implant should be worn for at least 6 months, and bimodal for at least 6 weeks 3. Language ability: must be able to cooperate with the open-set sentenses test in noise; 4. The nonimplanted ear needs to have residual hearing, and the threshold of unaided hearing: 125Hz, 250Hz < 80 dB; 500Hz, 1000Hz < 90 dB; 5. Cooperate with the research in accordance with all test procedures.

Exclusion criteria

Exclusion criteria: 1. Cochlear malformation (except for the large vestibular aqueduct syndrome); 2. Retrocochlear lesions; 3. Incomplete cochlear electrode insertion; 4. Subjects who reject to participate in the study or those who are unable to cooperation with the suvey, tests, or follow up.

Design outcomes

Primary

Measure	Time frame
Sentences Recognition Threshold;	—

Countries

China

Contacts

Public ContactFei Ji

Chinese PLA General Hospital?

argfei301@163.com+86 13693337996

Outcome results

None listed

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