The effect of Formula glycyrrhizae atractyloidis cinnamomi hoelen on the sudden deafness

The effect of Formula glycyrrhizae atractyloidis cinnamomi hoelen on the sudden deafness - The effect of Formula glycyrrhizae atractyloidis cinnamomi hoelen on the sudden deafness

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000001441

Enrollment

Registered

2009-06-30

Start date

2008-11-01

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 deafness

Interventions

Treated group takes the traditional Chinese medicine 12 weeks and observed 16 weeks. The control group is observed 16 weeks without taking hebal formula.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Diagnosed as sudden deafness according to ICD 10. At least three months has passed after onset. Serum K level is within the normal limit. Out clinic patient.

Exclusion criteria

Exclusion criteria: Having other diseases that will influence to the audiomtry. Taking steroids. Can not visit the out clinic. Can not understand about study. Can not take the herbal medicine.

Design outcomes

Primary

Measure	Time frame
audiometry data	—

Secondary

Measure	Time frame
speach test, DPOAE, serum K	—

Countries

Japan

Contacts

Public ContactKoh Iwasaki

Tohoku University Center for traditional Asian medicine

QFG03604@nifty.com022-717-7185

Outcome results

None listed

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