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The purpose of this trial is to compare the efficacy and safety of Recombinant Human Tissue-Type Plasminogen Activator Derivative(rPA) and Recombinant Tissue-Type Plasminogen Activator(rt-PA) for the treatment of acute pulmonary embolism.
This trial includes two stages, the first stage is to study the dosage of administration of the test drug(rPA), the second is to compare the efficacy and safety of rPA and rt-PA. Both of the two stages are randomized, open and parallel controlled.
This trial is a multicenter, randomized, open and parallel controlled project designed for patients with acute pulmonary embolism requiring thrombolysis after anticoagulant therapy in high-risk and middle-high risk populations.
For the first stage: Subjects who are qualified for the screening criteria according to the inclusion and exclusion criteria will be randomly assigned to low-dose test drugs, high-dose test drugs or reference drugs for thrombolytic therapy at a ratio of 1:1:1.
For the second stage: Subjects who are qualified for the screening criteria according to the inclusion and exclusion criteria will be randomly assigned to rPA(test group)or rt-PA(control group) for thrombolytic therapy at a ratio of 1:1.
Acute Pulmonary Embolism
Recombinant human tissue-type plasminogen activator derivative, Recombinant human tissue-type plasminogen activator
Not yet recruiting
Angde Biotech Pharmaceutical Co., Ltd.
Published on BioPortfolio: 2019-10-07T08:56:57-0400
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An acylated inactive complex of streptokinase and human lysine-plasminogen. After injection, the acyl group is slowly hydrolyzed, producing an activator that converts plasminogen to plasmin, thereby initiating fibrinolysis. Its half-life is about 90 minutes compared to 5 minutes for TPA; (TISSUE PLASMINOGEN ACTIVATOR); 16 minutes for UROKINASE-TYPE PLASMINOGEN ACTIVATOR and 23 minutes for STREPTOKINASE. If treatment is initiated within 3 hours of onset of symptoms for acute myocardial infarction, the drug preserves myocardial tissue and left ventricular function and increases coronary artery patency. Bleeding complications are similar to other thrombolytic agents.
An extracellular receptor specific for UROKINASE-TYPE PLASMINOGEN ACTIVATOR. It is attached to the cell membrane via a GLYCOSYLPHOSPHATIDYLINOSITOL LINKAGE and plays a role in the co-localization of urokinase-type plasminogen activator with PLASMINOGEN.
A proteolytic enzyme in the serine protease family found in many tissues which converts PLASMINOGEN to FIBRINOLYSIN. It has fibrin-binding activity and is immunologically different from UROKINASE-TYPE PLASMINOGEN ACTIVATOR. The primary sequence, composed of 527 amino acids, is identical in both the naturally occurring and synthetic proteases.
Member of the serpin family of proteins. It inhibits both the tissue-type and urokinase-type plasminogen activators.
A member of the serpin family of proteins. It inhibits both the tissue-type and urokinase-type plasminogen activators.
Recombinant DNA is the formation of a novel DNA sequence by the formation of two DNA strands. These are taken from two different organisms. These recombinant DNA molecules can be made with recombinant DNA technology. The procedure is to cut the DNA of ...
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