Journal
MEDICAL MYCOLOGY
Volume 61, Issue 6, Pages -Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mmy/myad054
Keywords
voriconazole; COVID-19; drug interactions; adverse drug reactions; invasive pulmonary aspergillosis
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Our study found no significant liver or cardiac side effects associated with the use of voriconazole in critically ill patients with suspected COVID-19-associated pulmonary aspergillosis. These findings provide reassurance for clinicians when initiating therapy for such patients.
Lay Summary Our study did not show significant voriconazole-related liver or cardiac side effects in a critically ill cohort of patients with suspected COVID-19-associated pulmonary aspergillosis. These findings may allay specific clinician concerns when commencing therapy for such patients. The decision to use voriconazole for suspected COVID-19-associated pulmonary aspergillosis (CAPA) is based on clinical judgement weighed against concerns about its potential toxicity. We assessed the safety profile of voriconazole for patients with suspected CAPA by conducting a retrospective study of patients across two intensive care units. We compared changes in any liver enzymes or bilirubin and any new or increasing corrected QT interval (QTc) prolongation following voriconazole use to patient baseline to indicate possible drug effect. In total, 48 patients with presumed CAPA treated with voriconazole were identified. Voriconazole therapy was administered for a median of 8 days (interquartile range [IQR] 5-22) and the median level was 1.86 mg/L (IQR 1.22-2.94). At baseline, 2% of patients had a hepatocellular injury profile, 54% had a cholestatic injury profile, and 21% had a mixed injury profile. There were no statistically significant changes in liver function tests over the first 7 days after voriconazole initiation. At day 28, there was a significant increase in alkaline phospahte only (81-122 U/L, P = 0.006), driven by changes in patients with baseline cholestatic injury. In contrast, patients with baseline hepatocellular or mixed injury had a significant decrease in alanine transaminase and aspartate transaminase. Baseline QTc was 437 ms and remained unchanged after 7 days of voriconazole therapy even after sensitivity analysis for concomitantly administered QT prolonging agents. Therefore, at the doses used in this study, we did not detect evidence of significant liver or cardiac toxicity related to voriconazole use. Such information can be used to assist clinicians in the decision to initiate such treatment.
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