Literatür Detay Bilgisi
Safety and efficacy of low-dose liposomal amphotericin B as empirical antifungal therapy for patients with prolonged neutropenia.

Yazarlar : Noguchi S, Takahashi N, Ito M et al

Yayın : Int J Clin Oncol

Yayın Yılı : 2012

Pubmed Linki : http://www.ncbi.nlm.nih.gov/pubmed/23076821

Konu : Enfeksiyon

Literatür İçeriği :  

Abstract

BACKGROUND:

Liposomal amphotericin B (L-AmB) is recommended as an empirical antifungal treatment for patients at increased risk of fungal infections although renal toxicity remains a clinical problem. We therefore conducted a pilot study to evaluate the safety and efficacy of low-dose L-AmB as an empirical antifungal therapy for patients with prolonged neutropenia.

METHODS:

High-risk patients with hematological malignancies were eligible to enroll in this study provided they had: exhibited neutropenia for at least 1 week; suffered from high-grade fever for 4 days despite treatment with a broad-spectrum antibacterial; and no identified fever-causing pathogen. Low-dose L-AmB (1 mg/kg) was administrated as empirical antifungal therapy.

RESULTS:

Sixteen patients were registered and, of these, data from the13 patients who did not receive allogeneic stem cell transplantation were analyzed. The median duration of low-dose L-AmB treatment was 8 days. Hypokalemia was seen in one patient: administration of potassium supplements for 10 days restored potassium levels to the normal range. A two-fold increase in creatinine levels was not found in any patients even those taking concomitant nephrotoxic drugs (e.g., amynoglycoside) during the study. One patient stopped receiving the drug due to an infusion-related adverse event. No patients showed breakthrough fungal infections or died during therapy or within 7 days after the end of the study. Increase in the L-AmB dose was necessary due to persistent fever in three patients who withdrew from the study. The satisfactory response rate for low-dose L-AmB was 69 %.

CONCLUSION:

This study suggests that low-dose L-AmB may be an effective option as empirical antifungal therapy for high-risk patients with febrileneutropenia.


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