The profibrinolytic activity of orally administered Mesoglycan was evaluated in 18 patients affected by impaired plasma fibrinolytic activity. Mesoglycan was administered by a single oral dose of 24, 48 or 72 mg on 1 day, and by repeated doses of 48 mg twice a day for 9 consecutive days. After the single administration all the fibrinolytic parameters were significantly and positively influenced with an order of magnitude and a duration of effects proportional to the dose employed. After the repeated administration, a constant and reproducible activation of the fibrinolytic system was observed without any interference with haemocoagulative parameters. These results confirm that Mesoglycan is endowed with a relevant profibrinolytic activity in man after oral administration. The pharmacological activity of Mesoglycan could possibly involve the liberation of a certain amount of plasminogen tissue activator.
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