active tuberculosis patients, LTBI patients, previous tuberculosis patients, healthy donors
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Active tuberculosis patients 1) Culture positive results. 2) Positive result of smear or nucleic acid amplification method in case of no culture result when the patients is enrolled. LTBI patients 1) No symptoms, physical findings and laboratory results consistent with tuberculosis. 2) Positive results for QFT-GIT. 3) No medical history of tuberculosis. 4) Negative result of smear and culture test for tuberculosis. Previous tuberculosis patients 1) No symptoms, physical findings and laboratory results consistent with tuberculosis. 2) Patients had history of tuberculosis. 3) Negative result of smear and culture test for tuberculosis. Healthy donor 1) No symptoms, physical findings and laboratory results consistent with tuberculosis. 2) Negative results for QFT-GIT. 3) No medical history of tuberculosis. 4) Negative result of smear and culture test for tuberculosis.
Exclusion criteria
Exclusion criteria: All subjects 1. patients aged under 18 years old. 2. treatment tuberculosis including fluoroquinolone for longer than 2 weeks. 3. Patients for whom the investigator decided not suitable for participation in this study. Active tuberculosis patients A negative result on culture test. LTBI patients Patients had history of tuberculosis. Healthy donor Subjects had history of tuberculosis. Subjects had history of contact to active tuberculosis patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| sensitivity and specificity of QFT-Plus for diagnosing active tuberculosis patients | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity and specificity of QFT-Plus for immunocompromised active tuberculosis patients. Comparison of cytokine levels among supernatants of antigens in QFT-Plus and QFT-GIT. Monitoring QFT-Plus during treatment or follow up for active tuberculosis and LTBI patients. Evaluation of QFT-plus for previous tuberculosis patients. Discrimination between active tuberculosis and LTBI patient using cytokines in supernatants of QFT-Plus and QFT-GIT. | — |
Countries
Japan
Contacts
National Hospital Organization Tokyo National Hospital Clinical Research Center