QuantiFERON Change During Anti-tuberculosis Medication

The Change in Level of Interferon-gamma Assay in Active Tuberculosis Patients During Treatment

The aim of this study is to evaluate the change of QuantiFERON-TB gold in tube assay (QFT) during the treatment of active tuberculosis.

Patients with active pulmonary tuberculosis are enrolled and, QFTs are performed for each subjects before treatment and 1, 3, 6 months after treatment. Investigators check the level of interferon-gamma, and reversion and conversion of this test.

Inclusion Criteria:

• All subjects with active tuberculosis

Exclusion Criteria:

• Subjects who cannot complete study
• Subjects who have taken anti-tuberculosis medication for more than a month before visit of our hospital