A study on the improvement of hearing ability in patients with unilateral hearing loss (Speech hearing threshold test by Oldenburg sentence test (OLSA))

A study on the improvement of hearing ability in patients with unilateral hearing loss (Speech hearing threshold test by Oldenburg sentence test (OLSA)) - A study on the improvement of hearing ability in patients with unilateral hearing loss (Speech hearing threshold test by Oldenburg sentence test (OLSA))

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051085

Enrollment

100

Registered

2023-05-19

Start date

2023-03-22

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

unilateral hearing loss

Interventions

cross hearing aid

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with unilateral hearing loss Healthy adult with normal hearing

Exclusion criteria

Exclusion criteria: 1) Hearing-impaired patients with pathological changes in hearing ability 2) Patients who require a disease other than hearing loss that makes speech audiometry (listening to words) impossible 3) In addition, patients who are judged to be inappropriate as research subjects by the research director (co-investigator)

Design outcomes

Primary

Measure	Time frame
Effects of binaural hearing in noise	—

Countries

Japan

Contacts

Public ContactKazuma Sugahara

Yamaguchi University Graduate School of Medicine Department of Otolaryngology

kazuma@yamaguchi-u.ac.jp0836-22-2281

Outcome results

None listed

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