Study on intraoperative ABR monitoring and postoperative ABR measurement of active middle ear implant VSB surgery using the AcoustiAP system

Study on intraoperative ABR monitoring and postoperative ABR measurement of active middle ear implant VSB surgery using the AcoustiAP system - ABR measurement of active middle ear implant VSB using the AcoustiAP system

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051915

Enrollment

Registered

2023-08-16

Start date

2023-08-28

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

conductive and mixed hearing loss

Interventions

Enhancing Accurate Coupling of FMT for Reliable Inner Ear Transmission of Sound Information in VSB Surgery: Utilizing the AcoustiAP System for Intraoperative and Postoperative ABR Measurements. Invest

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1 Patients Scheduled for or Undergoing Artificial Middle Ear VSB Surgery 2 Patients who can provide Written Consent for Research Participation Voluntarily 3 Cases with an Age of 5 Years or Older at the Time of Consent Acquisition

Exclusion criteria

Exclusion criteria: 1 Cases with Inner Ear malformation 2 Cases with systemic complications

Design outcomes

Primary

Measure	Time frame
Correlation between intraoperative ABR Thresholds and VSB Stimulation Thresholds after 2 months surgery	—

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: Sep 19, 2026