Abstract
Invasive fungal infection (IFI) is a major life-threatening problem encountered by patients with hematological malignancies receiving intensive chemotherapy. Empirical antifungal agents are therefore important. Despite the availability of antifungal agents for such situations, the optimal agents and administration methods remain unclear. We conducted a prospective phase 2 study of empirical 1 mg/kg/day liposomal amphotericin B (L-AMB) in 80 patients receiving intensive chemotherapy for hematological malignancies. All enrolled patients were high-risk and had recurrent prolonged febrile neutropenia despite having received broad-spectrum antibacterial therapy for at least 72 hours. Fifty-three patients (66.3 %) achieved the primary endpoint of successful treatment, thus exceeding the predefined threshold success rate. No patients developed IFI. The treatment completion rate was 73.8 %, and only two cases ceased treatment because of adverse events. The most frequent events were reversible electrolyte abnormalities. We consider low-dose L-AMB to provide comparable efficacy and improved safety and cost-effectiveness when compared with other empirical antifungal therapies. Additional large-scale randomized studies are needed to determine the clinical usefulness of L-AMB relative to other empirical antifungal therapies.
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Acknowledgments
We would like to thank all of the physicians and staff at the cooperating centers for contributing patient data for this study. This study was supported by C-SHOT.
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C-SHOT was partly supported by Chugai Pharmaceutical Co., Ltd, Novartis Pharmaceuticals Corporation, Astellas Pharma Inc., Nippon Shinyaku Co., Ltd., Nihon Schering K.K., SHIONOGI & CO., LTD., Bayer Yakuhin, Ltd., Zenyaku Kogyo Co., Ltd., Janssen Pharmaceutical K.K., Sumitomo Dainippon Pharma Co., Ltd., Kyowa Hakko Kirin Co., Ltd., Meiji Seika Pharma Co., Ltd., Genzyme Japan K.K., Celgene K.K., Eisai Co., Ltd., Takeda Pharmaceutical Company Limited, Sanofi K.K., Otsuka Pharmaceutical Co., Ltd., ASAHI KASEI PHARMA CORPORATION, and Mitsubishi Tanabe Pharma Corporation. K. Miyao received an honorarium from Sumitomo Dainippon Pharma Co., Ltd. M. Sawa received honoraria from Sumitomo Dainippon Pharma Co., Ltd., MSD K.K, Astellas Pharma Inc., Janssen Pharmaceutical K.K., and Pfizer Japan Inc. R. Suzuki received honoraria from Sumitomo Dainippon Pharma Co., Ltd. and MSD K.K. N. Emi received honoraria from Sumitomo Dainippon Pharma Co., Ltd, MSD K.K and Astellas Pharma Inc. All remaining authors have nothing to disclose.
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Miyao, K., Sawa, M., Kurata, M. et al. A multicenter phase 2 study of empirical low-dose liposomal amphotericin B in patients with refractory febrile neutropenia. Int J Hematol 105, 79–86 (2017). https://doi.org/10.1007/s12185-016-2095-y
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DOI: https://doi.org/10.1007/s12185-016-2095-y