Hearing function under the noise -evaluation in normal volunteer-

Hearing function under the noise -evaluation in normal volunteer- - Hearing function under the noise -evaluation in normal volunteer-

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025120

Enrollment

Registered

2016-12-02

Start date

2016-12-02

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

normal function

Interventions

auditory function

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: normal volunteer (20 <= age < 40, and the performance status=0)

Exclusion criteria

Exclusion criteria: 1) past history of peripheral and/or central neurologic disease 2) past history of ear disease 3) past history of mental disease 4) Pacemaker and/or implanted defibrillator 5) cerebral aneurysm clip, a bolt and a plate after the bone fracture treatment, the correction of the tooth, tattoo, hairdye for less than one month 6) claustrophobia, scotophobia 7) the possible pregnancy

Design outcomes

Primary

Measure	Time frame
speech intelligibility	—

Countries

Japan

Contacts

Public ContactTetsuaki Kawase

Tohoku University Graduate School of Biomedical Engineering

kawase@orl.med.tohoku.ac.jp022-717-7303

Outcome results

None listed

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