The Research on Cochlear Microphonic monitoring during EAS and Cochlear Implant Surgery using OTOPLAN System

The Research on Cochlear Microphonic monitoring during EAS and Cochlear Implant Surgery using OTOPLAN System - The Cochlear Microphonic monitoring using OTOPLAN System

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000053198

Enrollment

Registered

2023-12-24

Start date

2024-01-09

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

bilateral sensorineural hearing loss

Interventions

Performing cochlear microphonic monitg using the cochlear implant mapping system (MAESTRO 9 AS) and DATAMAN, which measure neural response telemetry during cochlear implant and EAS surgery

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases diagnosed as candidates for cochlear implant or EAS due to hearing impairment

Exclusion criteria

Exclusion criteria: Cases with inner ear malformations. Cases with systemic complications.

Design outcomes

Primary

Measure	Time frame
The correlation between electrode positions in OTOPLAN and the charge levels in mapping	—

Countries

Japan

Contacts

Public ContactMasahiro Takahashi

International University of Health and Welfare, Mita hospital Otorhinolaryngology

masa12_1@iuhw.ac.jp03-3451-8121

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026