Efficacy of recombinant human soluble thrombomodulin (rhTM), which is frequently used to treat patients with disseminated intravascular coagulation (DIC), was compared with that of gabexate mesilate (GM), which was previously used routinely in the treatment of DIC patients in Japan. Although there was no significant difference in the resolution rates of the patients who were treated with rhTM and GM, the results of our analysis revealed that the mortality rate was significantly higher among infectious disease patients treated with GM than in those treated with rhTM. Levels of fibrinogen and fibrin degradation products (FDP), antithrombin (AT) activity, and thrombin AT complex (TAT) were significantly lower in the DIC patients with infectious diseases, while fibrinogen levels were high. FDP level, D-dimer, platelet count, PT ratio, and DIC score all showed significant improvement following rhTM treatment. There were no significant difference between survivors and non-survivors in terms of DIC score, FDP level, platelet count, AT activity, or in TAT, SF and PPIC levels before rhTM treatment. However, fibrinogen levels were significantly lower in non-survivors than in survivors. These results indicate that rhTM may be superior to GM for the treatment of DIC.
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