Effectiveness of 1% and 2% acetic acid solution on 2 week-period treatment for granular myringitis

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210226001

Enrollment

Registered

2021-02-26

Start date

2021-05-31

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

granular myringitis grade I and II acetic acid tympanic membrane randomized controlled trial

Interventions

4-6 drops instill into the ear for 3-5 minutes, 3 times a day ,4-6 drops instill into the ear for 3-5 minutes, 3 times a day

Experimental Drug,Experimental Drug

2% acetic acid solution,1% acetic acid solution

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. granular myringitis grade I and II

Exclusion criteria

Exclusion criteria: 1. tympanic membrane perforation more than 3 mm 2. prior ear operation within 3 months 3. history of intolerance to acetic acid e. concomitant middle ear disease

Design outcomes

Primary

Measure	Time frame
healed tympanic membrane 2 weeks after treatment microscopic or endoscopic examination	—

Secondary

Measure	Time frame
Burning sensation during 2 weeks questionnaire	—

Countries

Thailand

Contacts

Public ContactSarun Prakairungthong

Mahidol University

tiktono99@gmail.com024198040

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026