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71 results about "Blood Coagulation Factor X" patented technology

Coagulation factor X (10) is a man-made protein similar to a natural protein in the body that helps the blood to clot. Coagulation factor X is used to treat or prevent bleeding in people with hereditary factor X deficiency.

Method for efficiently extracting and purifying blood coagulation factor IX and blood coagulation factor X

The invention provides a method for efficiently extracting and purifying a blood coagulation factor IX and a blood coagulation factor X. The method provided by the invention comprises the following steps: collecting blood, treating, and collecting blood plasma; and extracting an IX crude extract and an X crude extract from the blood plasma, and purifying. The method is characterized in that the purifying step is to use FIX / FX-bp-Sepharose 4B to purify the blood coagulation factor IX crude extract and the blood coagulation factor X crude extract respectively through the affinity chromatography; and the affinity ligand FIX / FX-bp is selected from ACF I, ACF II or AHP. The purified blood coagulation factor IX can be directly used as a medicament and the purified blood coagulation factor X canbe directly used as a reagent.
Owner:UNIV OF SCI & TECH OF CHINA

Fused furan compound

The present invention provides a condensed furan compound of the formula (I): wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R3 is hydrogen or the like; and, R4 is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
Owner:MITSUBISHI TANABE PHARMA CORP

Activated blood coagulation factor X (FXa) inhibitor

Disclosed is an activated blood coagulation factor X (FXa) inhibitor which is reduced in the risk of bleeding in the treatment of thromboembolism. Specifically disclosed is a blood coagulation inhibitor for oral administration, which comprises a compound represented by formula (1), a pharmacologically acceptable salt thereof, or a hydrate of the compound or the pharmacologically acceptable salt as an active ingredient. The blood coagulation inhibitor is characterized in that the dosage of the blood coagulation inhibitor can be determined by the following steps (A) to (D): (A) a factor associated with the risk of bleeding of the blood coagulation inhibitor is selected as a dosage determination factor; (B) a standard value for the dosage determination factor is set; (C) the level of the dosage determination factor is measured in a patient who needs the administration of the blood coagulation inhibitor; and (D) the dosage for the patient is determined by employing the standard value as a measure.
Owner:DAIICHI SANKYO CO LTD
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