To compare the results of the investigational test to the currently approved QuantiFERON-TB Gold In-Tube test.
To compare the sensitivity of the CST001 assay to the QuantiFERON-TB Gold assay in patients with bacteriologically confirmed and untreated TB disease.
Study Type
OBSERVATIONAL
Enrollment
15
University of Washington
Seattle, Washington, United States
Number of Participants With Clinical Signs/Symptoms Indicating TB With a Positive CST001 Assay Result as an Indication of Clinical Sensitivity
Subjects who have clinical signs/symptoms indicating TB and who are receiving or have to start the treatment for active TB were tested. Subjects who were presenting with symptoms suggestive of TB disease and who have a positive acid-fast bacillus (AFB) smear or have Mycobacterium tuberculosis (MTB) in a specimen detected by nucleic acid amplification (NAA) or MTB complex Polymerase Chain Reaction (PCR), and who have received treatment for no more than 14 days upon enrollment.
Time frame: At time of enrollment
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