The invention relates to area of medicine, in particular to pharmacology, namely to novel pharmaceutical compositions for oral use for treatment of diseases associated with increased thrombus formation. The compositions comprise the anticoagulant N-(5-chloropyridine-2-yl)-2-({4-[ethanimidoil(methyl)amino]benzoyl}amino)-5-methylbenzamide or a pharmaceutically acceptable salt thereof, being a factor Xa inhibitor and polyprenol, and are protected from the contact with acidic gastric juice by an enteric coating or capsule. The compositions are of high efficacy and bioavailability and can be used to treat and prevent conditions characterized by undesirable thrombosis.
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