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- W2946413807 abstract ": Uncontrolled bleeding due to trauma and coagulopathy is an area with high unmet medical need and high mortality rate. Treatment recommendations focus on transfusion of blood components while optimal therapy to improve coagulation remains to be established. The haemostatic effect of 2, 4 and 8 mg/kg recombinant prothrombin (MEDI8111) co-administered with 100 mg/kg fibrinogen (n = 7-8) was investigated in a porcine model of dilutional coagulopathy with uncontrolled bleeding. Vehicle (n = 11), fibrinogen alone (100 mg/kg , n = 15) were included as controls. Dilutional coagulopathy was induced by replacing ∼75% of the blood volume with hydroxyethyl starch and a standardized liver incision was made followed by intravenous administration of study compounds. Survival time and blood loss were determined up to 120 min after liver incision. Rotational thromboelastometry (ROTEM EXTEM), prothrombin time (PT), thrombin--antithrombin complex and thrombin generation were measured at baseline, after dilution and 10, 40, 80 and 120 min after compound administration. Administration of MEDI8111+fibrinogen improved haemostasis, decreased blood loss and dose-dependently improved survival time compared to fibrinogen. All pigs receiving a dose of 8 mg/kg MEDI8111+fibrinogen, which restored normal prothrombin concentration, survived to the end of the experiment with close to normal haemostasis as measured by PT and ROTEM EXTEM CT. Administration of fibrinogen and MEDI8111 was sufficient to improve survival time and haemostasis in severely coagulopathic pigs. The dose-dependent haemostatic improvement observed with MEDI8111 administration suggests that prothrombin concentration was rate limiting for coagulation." @default.
- W2946413807 created "2019-05-29" @default.
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- W2946413807 date "2019-06-01" @default.
- W2946413807 modified "2023-09-28" @default.
- W2946413807 title "Recombinant human prothrombin (MEDI8111) combined with fibrinogen dose-dependently improved survival time and reduced blood loss in a porcine model of dilutional coagulopathy with uncontrolled bleeding" @default.
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- W2946413807 doi "https://doi.org/10.1097/mbc.0000000000000812" @default.
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