Voriconazole and Caspofungin Acetate in Treating Invasive Fungal Infections in Patients With Weakened Immune Systems

DISEASE CHARACTERISTICS: * Diagnosis of probable or definite invasive fungal infection with 1 of the following organisms: * Aspergillus species * Fusarium species * Scedosporium species (Pseudallescheria boydii) * Other dematiaceous molds * The following diagnosis are not allowed: * Zygomycetes (Mucor or Rhizopus species) * Chronic aspergillosis * Aspergilloma * Allergic bronchopulmonary aspergillosis * Must be immunocompromised PATIENT CHARACTERISTICS: Age * 18 and over Performance status * Not specified Life expectancy * At least 72 hours Hematopoietic * Not specified Hepatic * AST \< 5 times upper limit of normal (ULN) * Bilirubin \< 5 times ULN * Alkaline phosphatase \< 5 times ULN * No Child-Pugh class C cirrhosis Renal * Creatinine clearance ≥ 50 mL/min Pulmonary * No mechanical ventilation Other * Not pregnant or nursing * Fertile patients must use effective contraception * No hypersensitivity to azoles, caspofungin acetate, or their components * No history of galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption PRIOR CONCURRENT THERAPY: Biologic therapy * Not specified Chemotherapy * Not specified Endocrine therapy * Not specified Radiotherapy * Not specified Surgery * Not specified Other * More than 14 days since prior therapeutic antifungal therapy of ≥ 1 week duration * More than 14 days since prior and no concurrent administration of any of the following medications: * Terfenadine …