Invasive aspergillosis (IA)

- Typically occurs in patients with severe immunosuppression; e.g. neutropenic, post-transplantation, post chemotherapy, advanced AIDS, chronic granulomatous disease.

- IA is classified as proven, probable, or possible based on host factors, clinical manifestations and mycological evidence [Clin Infect Dis 2008;46:1813-21.].

- Infectious Diseases consult recommended.

- For central nervous system infection, voriconazole recommended and neurosurgery often required.

- Anidulafungin not listed as limited clinical experience in IA.

 
Usual Pathogens

Aspergillus fumigatus
Aspergillus flavus
Other Aspergillus spp

Histologically proven or probable IA

Empiric Therapy Dose Duration
Voriconazole 6mg/kg IV q12h first day then either 4mg/kg IV q12h or 200mg PO bid Until clinical/radiographic resolution
or    
Amphotericin B 1-1.5mg/kg IV daily Until clinical/radiographic resolution

Refractory

Empiric Therapy Dose Duration
Caspofungin 70mg IV first day then 50mg IV daily Until clinical/radiographic resolution
or    
Micafungin 100-150mg IV daily Until clinical/radiographic resolution