Detection of traveling wave velocity modulation using Chirp evoked brainstem response

Detection of traveling wave velocity modulation using Chirp evoked brainstem response - Detection of traveling wave velocity modulation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040225

Enrollment

Registered

2020-07-01

Start date

2020-07-01

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

sudden sensorineural hearing loss

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Acute onset hearing disturbance 2) Hearing threshold higher than 30 dB in 3 frequencies, or the total thresholds in 0.125kHz, 0.25kHz, 0.5kHz is larger than 70dB 3) Total thresholds in 0.5, 1, 2kHz is smaller than 210dB 4) No cranial nerve symptoms other than CN VIII 5) Who agreed with the protocol

Exclusion criteria

Exclusion criteria: 1) Who do not agreed with the protocol 2) Who cannot stay rest > 30 min 3) Who has abnormal ear drum 4) Functional or retrocochlear hearing loss 5) Who may be pregnatn 6) Whoc received electrical device implantation

Design outcomes

Primary

Measure	Time frame
The amplitude and the latency of wave V evoked by the Chirp and click	—

Countries

Japan

Contacts

Public ContactHarukazu Hiraumi

Iwate Medical University Otolaryngology

hhiraumi@iwate-med.ac.jp0196137111

Outcome results