Last updated on December 2018

Posaconazole for the Prevention of Influenza-associated Aspergillosis in Critically Ill Patients

Brief description of study

The objective of this study is to deliver proof of concept that antifungal prophylaxis can reduce the incidence of Influenza Associated Aspergillosis (IAA) in ICU (intensive care unit) patients with severe influenza.

The investigators will perform an interventional non-blinded randomized controlled multicentric proof-of-concept study in patients with severe influenza admitted to the ICU. Patients will be randomized to the posaconazole prophylaxis group or to the SOC (standard of care) group. Oseltamivir will be started at the discretion of the investigator. Patients in the posaconazole group will receive posaconazole prophylaxis for 7 days.

addendum: pharmacokinetics of posaconazole as prophylaxis for invasive fungal disease on ICU

Detailed Study Description

Critically ill patients with PCR-confirmed influenza criteria) are eligible for inclusion in this study and will be randomized to or the posaconazole prophylaxis group or the SOC group.

If a patient is randomized to the posaconazole prophylaxis group, posaconazole (Noxafil, MSD) will be started intravenously from day 1 of randomization (2300mg( milligram) /d on day 1, followed by 1300mg/d from day 2 for 7 days) In both patient groups (prophylaxis and SOC) oseltamivir (non-IMP) will be started at the discretion of the treating physician from the first day of ICU admission as 2*150 mg/day for 10 days. If oseltamivir had already been started up before ICU admission, oseltamivir treatment will be continued up to a total of 10 days.

Within 48 hours after influenza diagnosis a bronchoscopy with BAL (bronchoalveolar lavage) and a serum galactomannan will be performed as part of routine ICU care in this type of patients. If an IAA-infection is suspected based on the result of this BAL ((A) Aspergillus cultured from BAL, or (B) a galactomannan (GM)the patient will be withdrawn from the study and antifungal treatment will be started.

addendum: Extensive PK sampling (UZ Leuven and Radboud): full PK curve on day 2 and day 5 (predose, 1.5; 2,3,4,6,8,10,12,18,24 h post infusion).

on non PK days, until day 7, predose sample. PK in BAL fluid only in patients with mechanical ventilation and when medically indicated.

Limited PK sampling: on day 2 and day 5: 1.5-3h, 4-8 h;8-12h; 12-24h post dose. on non PK days: PK pre dose.

Clinical Study Identifier: NCT03378479

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AZ Sint Jan

Brugge, Belgium
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Recruitment Status: Open

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