Acute Viral Respiratory Infections in Elderly

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Total Enrollment

3000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2004-09-30

Study Completion Date

2006-07-31

Brief Summary

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This study is designed to assess the causes and impact of acute respiratory illness (common colds, flu, bronchitis, pneumonia) in adults age 65 and older. One of the ways to determine the virus causing a particular illness is to get a blood specimen when a person is sick and again later and look for the body's specific responses that identify the virus. Approximately 3000 subjects will be evaluated and their medical records assessed for details of recent illness and general health to help in understanding the subjects' current illness.

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Detailed Description

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The purpose of this study is to determine the role of respiratory viruses in the etiology of medically attended acute respiratory illness in elderly populations and to assess the impact of these illnesses. Ambulatory elders presenting for health care with an acute respiratory illness will be recruited. Nose and throat swab specimens will be collected to test for one of the respiratory viruses, and acute and convalescent blood specimens will be collected to test for increases in specific antibody. Specimens will be collected within seven days of the onset of illness and then 1 month later for comparison specimens. A brief questionnaire will accompany the specimens, and more complete data on the illness and consequences will be obtained from the medical record. The pattern of illnesses by virus and their severity and duration will be determined.

Conditions

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Respiratory Infections, Acute

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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observation

male and female adults age 65 and older with acute respiratory illness (common colds, flu, bronchitis, pneumonia)

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

1. 65 years of age or older
2. Presentation to the geriatric clinic with an acute respiratory illness of less than 7 days' duration.

Exclusion Criteria

1. Presentation to the geriatric clinic with a history of a respiratory illness of greater than 7 days' duration.
2. Physician/physician assistant judgment that the respiratory complaints do not represent an acute infection.
3. Patient declines to permit specimen collection.

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No