Reactivation of TB during administration of durvalumab after chemoradiotherapy for non-small-cell lung cancer: a case report.
2020
Background: Tuberculosis (TB) is considered to be an adverse effect of treatment with immune checkpoint inhibitors. Methodology & results: Our case was a 75-year-old woman diagnosed with unresectable stage III non-small-cell lung cancer. After radical chemoradiotherapy was completed, durvalumab was initiated as a consolidation therapy. However, since chest CT showed appearances of infiltration shadows scattered in the periphery of the lungs after five doses of immunotherapy, duruvalumab was discontinued. 6 weeks later, the patient was aware of intermittent fever. Chest CT scan showed the appearance of a tree-in-bud pattern in the right lung. Acid-fast bacilli stain of sputum was positive and the PCR test was positive for Mycobacterium tuberculosis. Conclusion: Duruvalumab as PD-L1 blockade may activate TB.
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