期刊
ALLERGY
卷 69, 期 6, 页码 798-805出版社
WILEY
DOI: 10.1111/all.12410
关键词
cytomegalovirus; drug-induced hypersensitivity syndrome; drug rash with eosinophilia and systemic symptoms; Epstein-Barr virus; human herpesvirus 6; Stevens-Johnson syndrome; toxic epidermal necrolysis
资金
- Ministry of Education, Culture, Sports, Science and Technology
- Ministry of Health, Labour and Welfare of Japan
- Japanese Research Committee on Severe Cutaneous Adverse Reaction (J-SCAR)
- Grants-in-Aid for Scientific Research [25461676, 24390276] Funding Source: KAKEN
BackgroundDrug-induced hypersensitivity syndrome/drug rash with eosinophilia and systemic symptoms (DIHS/DRESS) and Stevens-Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN) represent contrasting poles of severe drug eruptions, and sequential reactivations of several herpesviruses have exclusively been demonstrated in the former. No previous studies, however, were extended beyond the acute stage. We sought to investigate whether herpesvirus reactivations could also be observed in SJS/TEN and beyond the acute stage of both diseases. MethodsPatients with SJS (n=16), SJS/TEN overlap (n=2), TEN (n=10), and DIHS/DRESS (n=34) were enrolled. We performed a retrospective analysis of Epstein-Barr virus (EBV), human herpesvirus 6 (HHV-6), and cytomegalovirus (CMV) DNA loads sequentially determined by real-time polymerase chain reaction during a 2-year period after onset. ResultsPersistently increased EBV loads were detected in SJS during the acute stage and long after resolution, but not in others. In contrast, high HHV-6 loads were exclusively detected in DIHS/DRESS during the acute stage. The dynamics of herpesvirus reactivation varied in DIHS/DRESS according to the use of systemic corticosteroids: While EBV loads were higher in patients not receiving systemic corticosteroids, CMV and HHV-6 loads were higher in those receiving them. ConclusionsDistinct patterns of herpesvirus reactivation according to the pathological phenotype and to the use of systemic corticosteroids were observed during the acute stage and follow-up period, which may contribute, at least in part, to the difference in the clinical manifestations and long-term outcomes. Systemic corticosteroids during the acute stage may improve the outcomes in DIHS/DRESS.
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