Effects of Caffeine in Tinnitus
Primary Purpose
Tinnitus
Status
Completed
Phase
Not Applicable
Locations
Brazil
Study Type
Interventional
Intervention
caffeine
Sponsored by
About this trial
This is an interventional treatment trial for Tinnitus focused on measuring tinnitus, caffeine
Eligibility Criteria
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
Sites / Locations
- Faculdade de Medicina de Valença
- OTOSUL Otorrinolaringologia Sul-Fluminense
Outcomes
Primary Outcome Measures
Tinnitus Handicap Inventory
Secondary Outcome Measures
Visual Analog Scale
Full Information
NCT ID
NCT00628316
First Posted
February 25, 2008
Last Updated
March 21, 2011
Sponsor
Faculdade de Medicina de Valenca
1. Study Identification
Unique Protocol Identification Number
NCT00628316
Brief Title
Effects of Caffeine in Tinnitus
Official Title
Effects of Caffeine Consumption on Tinnitus Perception
Study Type
Interventional
2. Study Status
Record Verification Date
February 2008
Overall Recruitment Status
Completed
Study Start Date
January 2008 (undefined)
Primary Completion Date
September 2008 (Actual)
Study Completion Date
December 2008 (Actual)
3. Sponsor/Collaborators
Name of the Sponsor
Faculdade de Medicina de Valenca
4. Oversight
Data Monitoring Committee
No
5. Study Description
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.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Tinnitus
Keywords
tinnitus, caffeine
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
50 (Anticipated)
8. Arms, Groups, and Interventions
Intervention Type
Dietary Supplement
Intervention Name(s)
caffeine
Intervention Description
caffeine daily intake will be reduced form 150 ml per day
Primary Outcome Measure Information:
Title
Tinnitus Handicap Inventory
Time Frame
30 days
Secondary Outcome Measure Information:
Title
Visual Analog Scale
Time Frame
30 days
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
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
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Ricardo R Figueiredo, MD,MSc
Organizational Affiliation
Faculdade de Medicina de Valença
Official's Role
Study Chair
Facility Information:
Facility Name
Faculdade de Medicina de Valença
City
Valença
State/Province
RJ
ZIP/Postal Code
27600-000
Country
Brazil
Facility Name
OTOSUL Otorrinolaringologia Sul-Fluminense
City
Volta Redonda
State/Province
RJ
ZIP/Postal Code
27255-650
Country
Brazil
12. IPD Sharing Statement
Learn more about this trial
Effects of Caffeine in Tinnitus
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