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  • Title: Clinical application of Fragmin (FR-860) in hemodialysis: multicenter cooperative study in Japan.
    Author: Suzuki T, Ota K, Naganuma S, Koshikawa S, Hirasawa Y, Nakagawa S, Otsubo O, Akizawa T.
    Journal: Semin Thromb Hemost; 1990 Oct; 16 Suppl():46-54. PubMed ID: 1962904.
    Abstract:
    A multicenter cooperative study was designed to evaluate the efficacy and safety of Fragmin (FR-860) as an anticoagulant in hemodialysis. Sixty-one stable maintenance hemodialysis patients were enrolled from 14 institutions in Japan. The study period was fixed at 2 weeks. Dosage requirements were 15.0 to 20.0 anti-Xa U/kg as bolus and 7.5 to 10.0 anti-Xa U/kg/hr as continuous infusion. The total dosage of Fragmin was 2505 +/- 127 anti-Xa U compared with 6124 +/- 190 U of conventional heparin. No differences were observed in residual blood in extracorporeal circuits between the groups. The hemostasis times at puncture sites after completion of dialysis were significantly shortened in the Fragmin group (7.9 +/- 0.7 minutes) when compared with the conventional heparin group (11.4 +/- 1.1 minutes; p less than 0.01). Plasma anti-Xa levels were 0.24 +/- 0.03 and 0.36 +/- 0.04 U/ml 1 hour after the initiation and at the completion of dialysis, respectively. ACTs, measured by the Hemochron method, were not prolonged during dialysis. APTTs varied from 34.3 +/- 1.2 before dialysis to 41.0 +/- 1.9 (p less than 0.01) 1 hour after the start of dialysis and 39.9 +/- 1.6 seconds (p less than 0.01) at the end of dialysis. Plasma AT III activity increased from 96.8 +/- 2.5% before dialysis to 113.0 +/- 3.2% (p less than 0.01) at the end of dialysis. No significant changes were observed in both ADP- and collagen-induced platelet aggregation during dialysis. Dialysis efficiency was the same for both groups. Slight itching developed in one of 61 cases. No abnormal laboratory data were observed during the study. The efficacy, safety, and utility rates were 98.4, 98.5, and 98.4%, respectively. Fragmin proved to have a higher utility rate and was a good and convenient alternative to conventional heparin as an anticoagulant in hemodialysis treatment.
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