Effectiveness of a combination of cyclosporine A, suplatast tosilate and prednisolone on periodic oscillating hypereosinophilia
Shinsaku Imashuku1, Ikuyo Ueda2, Tohru Inaba3
1Divisions of Pediatrics and Hematology, Takasago-seibu Hospital, Takasago, Japan; 2Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan; 3Department of Infection Control and Laboratory Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
Abstract: We report the treatment course of a 29-year-old man who has had unique oscillating FIP1L1-PDGFRA fusion gene-negative hypereosinophilic syndrome (HES) for nearly 6 years. His periodic oscillating pattern of eosinophilia associated with angioedematous soft tissue swelling has shown two to three seasonal peaks (>15,000/µL absolute eosinophil counts [AEC]) a year. Initially, the patient, who was thought to have distinct HES not compatible with previously described cases, did not respond to treatment except for a temporary response to imatinib mesylate. For 6 years, from 2005 to 2010, he was treated with a combination of oral cyclosporine A, suplatast tosilate, and a small dose of prednisolone, which significantly reduced the peak heights of AEC as well as blunting the oscillating patterns.
Keywords: hypereosinophilic syndrome, eosinophilia, angioedema, IgM, sIL-2R, treatment, cyclosporin A, suplatast tosilate
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