Abstract disclosed are methods for treating vascular leak syndrome and preventing cancer metastasis. further disclosed are methods for treating vascular leakage due to inflammatory diseases, sepsis, cancer or the presence of pathogens. _______________________ Translation of abstract patent summary: "Methods for the treatment of vascular leak syndrome and cancer". Methods for treating vascular leak syndrome and preventing cancer metastasis are disclosed. Methods for treating vascular leakage due to inflammatory diseases, sepsis, cancer or the presence of pathogens are also disclosed.abstract disclosed are methods for treating vascular leak syndrome and preventing cancer metastasis. further disclosed are methods for treating vascular leakage due to inflammatory diseases, sepsis, cancer or the presence of pathogens. _______________________ tradução do resumo resumo patente de invenção: "métodos para o tratamento de síndrome de vazamento vascular e câncer". são divulgados métodos para tratamento de síndrome de vazamento vascular e prevenção da metástase do câncer. são ainda divulgados métodos para o tratamento de vazamento vascular devido a doenças inflamatórias, sepse, câncer ou a presença de agentes patogênicos.