Covid19 Clinical Trial
Official title:
An Observational Pharmacokinetic Study of Intravenous Voriconazole Used for Treatment of Invasive Aspergillosis in Adult Patients With Severe Influenza / COVID-19 Supported With Extra-corporeal Membrane Oxygenation (ECMO)
Given the high burden of fungal co-infection in patients admitted to ICU and improved outcomes with prompt anti-fungal treatment, it is of vital importance that the doses of anti-fungal are optimum to improve the dismal outcome of influenza/Covid-19 Associated Pulmonary Aspergillosis. Due to the reported difficulties in dosing appropriately in ECMO patients, a prospective observational study is required to accurately evaluate the pharmacokinetics of voriconazole in patients supported on ECMO. This is to ensure that the dose of voriconazole is optimised to improve efficacy and reduce toxicity.
A single centre, open label, prospective, observational, pharmacokinetic study of voriconazole administered to adults (aged > 18 years) supported on ECMO. This is a low-interventional study. There will be no treatment changes as a result of participation in this study. The decision to initiate voriconazole therapy will be taken independent of this study protocol. Intravenous voriconazole will be prescribed according to the approved dose in the SmPC. All adults requiring voriconazole therapy will be eligible for recruitment into the study. The only additional procedure in this study will be to take a total of 5 blood samples across 3 occasions/sampling windows (Day 1-4, Day 6-9 and Day 11-14) to determine plasma concentrations of voriconazole. In addition, a single buccal swab to determine the CYP2C19 genotype will be undertaken during the course of ICU stay. ;
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