Journal
TRANSPLANTATION
Volume 81, Issue 3, Pages 320-326Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.tp.0000202421.94822.f7
Keywords
Aspergillus; fungal infections; transplants
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The efficacy of the combination of voriconazole and caspofungin when used as primary therapy for invasive aspergillosis in organ transplant recipients has not been defined. Methods. Transplant recipients who received voriconazole and caspofungin (n =40) as primary therapy for invasive aspergillosis (proven or probable) in a prospective multicenter study between 20(13 and 2(105 were compared to a control group comprising a cohort of consecutive transplant recipients between 1999 and 2002 who had received a lipid formulation of AmB as primary therapy (n=47). In vitro antifungal testing of Aspergillus isolates to combination therapy was correlated with clinical outcome. Results. Survival at 90 days was 67.5% (27/40) in the cases, and 51% (24/47) in the control group (IIR 0.58, 95% CI, 0.30-1.14, P=0.117). However, in transplant recipients with renal failure (adjusted IIR 0.32, 95% CI: 0.12-0.85, P=0.022), and in those with A. fumigatus infection (adjusted HR 0.37, 9540 CI: 0.16 - 0.84, P=0.6119), combination therapy was independently associated with an improved 90-day survival in multivariate analysis. No correlation was found between in vitro antifungal interactions of the Asprrgillus isolates to the combination of voriconazole and caspofungin and clinical outcome. Conclusions. Combination of voriconazole and caspofungin might be considered preferable therapy for subsets of organ transplant recipients with invasive aspergillosis, such its those with renal failure or A. fumigatus infection.
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