NCT00018486

Brief Summary

The purpose of this study is to determine if individuals with diabetes are at increased risk of hearing impairment or tinnitus (the perception of ringing or noises in the ears or head). An important goal of this research is also to obtain a better understanding of possible interactions between hearing disorders and other chronic conditions, such as diabetes. Participation in this research will be for a few hours only, to be scheduled at the participant's convenience and according to the testing schedules of the different clinics involved.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Timeline
Completed

Started Apr 1999

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 1999

Completed
2.3 years until next milestone

First Submitted

Initial submission to the registry

July 3, 2001

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 5, 2001

Completed
2.7 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2004

Completed
Last Updated

January 21, 2009

Status Verified

December 1, 2004

First QC Date

July 3, 2001

Last Update Submit

January 20, 2009

Conditions

Eligibility Criteria

Age21 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Any participants over 21 years of age and under 80 who do not have an end-stage disease

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (1)

Portland VA Medical Center

Portland, Oregon, 97201, United States

Location

MeSH Terms

Conditions

Diabetes MellitusTinnitusHearing Loss

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesHearing DisordersEar DiseasesOtorhinolaryngologic DiseasesSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
observational
Sponsor Type
FED

Study Record Dates

First Submitted

July 3, 2001

First Posted

July 5, 2001

Study Start

April 1, 1999

Study Completion

March 1, 2004

Last Updated

January 21, 2009

Record last verified: 2004-12

Locations