Abstract:RATIONALE: Interferon gamma (IFN-g) enzyme-linked immunospot (ELISpot) assay has been introduced for drug hypersensitivity diagnosis, however, the cut-off value is not yet optimized. The aim is to determine the clinical cut-off value of IFN-g ELISpot assay in patients with a history of drug hypersensitivity based on drug challenge test and/or skin test results. METHODS: The frequencies of IFN-g releasing cells after stimulating peripheral blood mononuclear cells (PBMC) with 72 suspected culprit drug(s) in 54 p… Show more
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