Evaluation of Respiratory Specimens for Bacterial and Viral Pathogens by Real-Time PCR

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

COMPLETED

Total Enrollment

867 participants

Study Classification

OBSERVATIONAL

Study Start Date

2005-10-31

Study Completion Date

2008-06-30

Brief Summary

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Community acquired pneumonia(CAP) is a common cause of morbidity and mortality. The diagnosis of CAP from the microbiology perspective has been challenging. Recent reports suggest the utility of real-time PCR for rapid and accurate diagnoses of these pathogens. Real-Time PCR tests, using the LightCycler instrument, will be performed on excess or additional specimens after extraction of nucleic acid.

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Detailed Description

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Excess patient specimens normally collected for routine microbiologic testing for CAP and in some cases additional specimens (i.e.,blood, urine, throat swab) will be evaluated using real-time PCR tests developed in our laboratory. Specimens will be performed on patients suspect for CAP. Test will be directed at variety of pathogens including but not limited to M.pneumoniae, C. pneumoniae, Legionella pneumophila, Streptococcus pneumoniae, B. pertussis, influenza viruses, adenovirus, and metapneumovirus. The ultimate goal is to have a panel of highly accurate and rapid (same day) tests that can be orderable and performed in short period time for CAP cases.

Real-Time PCR tests, using the LightCycler instrument, will be performed on excess or additional specimens after extraction of nucleic acid. Real-time PCR tests, using the LightCycler instrument, will be performed on excess or additional specimens after extraction nucleic acid. These tests will include the organisms listed above. As nucleic acid extracts will be archived, other pathogens can be tested in the future should we develop additional real-time PCR tests. All results obtained by real-time PCR will be compared to results for conventional testing as listed above. Sensitivity, specificity and predictive values will be calculated. In cases where discordant results occur, additional PCR testing and or medical history review will be conducted.