Effects of Caffeine in Tinnitus

Effects of Caffeine Consumption on Tinnitus Perception

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00628316

Enrollment

Registered

2008-03-05

Start date

2008-01-31

Completion date

2008-12-31

Last updated

2011-03-22

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

Conditions

Tinnitus

Keywords

tinnitus, caffeine

Brief summary

Caffeine intake is reported by many authors to enhance the perception of tinnitus. The aim of this study is to determine the effects of 1 month caffeine intake reduction in the scores of validated questionnaire Tinnitus Handicap Inventory (THI) and in a visual-analog scale (VAS).

Detailed description

A group of 50 patients who takes more than 3 small cups (50 ml) of caffeine daily and have tinnitus will be asked to reduce caffeine intake for 1 month. Scores of THI and VAS will be taken before and after this period.

Interventions

DIETARY_SUPPLEMENTcaffeine

caffeine daily intake will be reduced form 150 ml per day

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* tinnitus for more than 6 months * THI \> 38 * no central acting drugs in the last 6 months * tympanogram type A-n * daily intake of caffeine greater than 150 ml

Exclusion criteria

* vascular and muscular tinnitus * concomitant TMJ disorders * abnormal otoscopy * mixed and conductive hearing losses * Ménière disease

Design outcomes

Primary

Measure	Time frame
Tinnitus Handicap Inventory	30 days

Secondary

Measure	Time frame
Visual Analog Scale	30 days

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026