Pharmacokinetics of Caspofungin (Cancidas) Given Intravenously as Therapy to Patients With an Invasive Fungal Infection in the Intensive Care Unit - a Search for Co-variates (CASCADE)

The pharmacokinetics of caspofungin are expected to be different in ICU patients compared to non-ICU patients. The investigators will determine caspofungin concentrations in 20 ICU patients, who will get caspofungin as standard care.