Effects of Caffeine in Tinnitus | NCT00628316

Studies
Effects of Caffeine in Tinnitus

NCT00628316

Sponsor

Faculdade de Medicina de Valenca

Status

Completed

Last Update Posted

Mar 22, 2011Estimated

Enrollment

50Estimated

Phase

Not Applicable

Conditions

Tinnitus

Interventions

caffeine

Countries

Brazil

Protocol Section

Identification Module Status Module Sponsor/Collaborators Module Oversight Module Description Module Conditions Module Design Module Arms/Interventions Module Outcomes Module Eligibility Module Contacts/Locations Module References Module IPD Sharing Statement Module

Results Section

Participant Flow Module Baseline Characteristics Module Outcome Measures Module Adverse Events Module More Info Module

Annotation Section

Annotation Module

Document Section

Large Document Module

Derived Section

Miscellaneous Info Module Condition Browse Module Intervention Browse Module

Protocol Section

Identification Module

NCT ID

Results Section

No data available

No data is available for this block.

Annotation Section

No data available

No data is available for this block.

Document Section

No data available

No data is available for this block.

Derived Section

Miscellaneous Info Module

Version Holder

Status Module

Record Verification Date

Feb 2008

Overall Recruitment Status or Expanded Access Status

Completed

Last Known Status

Not provided

Delayed Posting

Not provided

Why Stopped

Not provided

Expanded Access Info

Start Date

Jan 2008

Primary Completion Date

Sep 2008Actual

Completion Date

Dec 2008Actual

First Submitted Date

Feb 25, 2008

First Submission Date that Met QC Criteria

Feb 25, 2008

First Posted Date

Mar 5, 2008Estimated

Results Waived

Not provided

Results First Submitted Date

Not provided

Results First Submitted that Met QC Criteria

Not provided

Results First Posted Date

Not provided

Certification/Extension (aka Delayed Results) First Submitted Date

Not provided

Certification/Extension First Submitted that Passed QC Review

Not provided

Certification/Extension First Posted Date

Not provided

Last Update Submitted Date

Mar 21, 2011

Last Update Posted Date

Mar 22, 2011Estimated

Oversight Module

Has Data Monitoring Committee (DMC)

Is FDA Regulated Drug

Not provided

Is FDA Regulated Device

Not provided

Is Unapproved Device

Not provided

Pediatric Postmarket Surveillance of a Device Product

Not provided

Product Exported from US

Not provided

FDAAA801 Violation

Not provided

Description Module

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.

Design Module

Study Type

Interventional

Number of References to an Expanded Access Study

Not provided

Expanded Access Types

Not provided

Patient Registry

Not provided

Target Follow-Up Duration

Not provided

Phases

Not Applicable

Interventional Study Design

Allocation

Biospecimen

No data available

No data is available for this block.

Enrollment

50Estimated

Arms/Interventions Module

Arm Groups

Not provided

Interventions

Name	Type	Description	Arm Group Labels	Other Names
caffeine	Dietary Supplement	caffeine daily intake will be reduced form 150 ml per day

Measure	Description	Time Frame
Tinnitus Handicap Inventory		30 days

Measure	Description	Time Frame
Visual Analog Scale		30 days

Eligibility Module

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

Accepts Healthy Volunteers

Sex

All

Sex/Gender Based

Not provided

Sex/Gender Description

Not provided

Minimum Age

18 Years

Maximum Age

Not provided

Standard Ages

AdultOlder Adult

Study Population

Not provided

Sampling Method

Not provided

Contacts/Locations Module

Central Contacts

Not provided

Overall Officials

Name	Affiliation	Role
Ricardo R Figueiredo, MD,MSc	Faculdade de Medicina de Valença	Study Chair

Locations

Facility	Status	City	State	ZIP	Country	Contacts
Faculdade de Medicina de Valença		Valença	Rio de Janeiro	27600-000	Brazil
OTOSUL Otorrinolaringologia Sul-Fluminense

Condition Browse Module

MeSH Terms

ID	Term
D014012	Tinnitus

Ancestor Terms

ID	Term
D006311	Hearing Disorders
D004427	Ear Diseases
D010038	Otorhinolaryngologic Diseases
D012678	Sensation Disorders

Browse Leaves

Not provided

Browse Branches

Not provided

Intervention Browse Module

MeSH Terms

ID	Term
D002110	Caffeine

Ancestor Terms

ID	Term
D014970	Xanthines
D000470	Alkaloids
D006571	Heterocyclic Compounds
D011688	Purinones

Browse Leaves

Not provided

Browse Branches

Not provided