Detection of stapedial reflex using a Quarter-pixel Detector CT

Detection of stapedial reflex using a Quarter-pixel Detector CT - Stapedial reflex and QDCT

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021625

Enrollment

Registered

2018-05-12

Start date

2016-05-31

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 volunteer

Interventions

acoustic stimuli evoking a stapedial reflex

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Normal volunteer with informed consent Normal ear drum Positive stapedial reflex

Exclusion criteria

Exclusion criteria: Subjects without consent Subjects scheduled for head CT scan within 1 year Subjects without stapedial reflex Subjects with ear drum pathology Subjects those are not suitable for CT scan

Design outcomes

Primary

Measure	Time frame
Distance between the pyramidal eminence and the stapes head with and without acoustic reflex	—

Countries

Japan

Contacts

Public ContactHarukazu Hiraumi

Iwate Medical University Otolaryngology, Head and Neck Surgery

hhiraumi@ent.kuhp.kyoto-u.ac.jp019-651-5111

Outcome results

None listed

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