出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/05/04 13:46:17」(JST)
| Systematic (IUPAC) name | |
|---|---|
| 6-aminohexanoic acid | |
| Clinical data | |
| Trade names | Amicar |
| AHFS/Drugs.com | monograph |
| MedlinePlus | a608023 |
| Legal status | ℞ Prescription only |
| Pharmacokinetic data | |
| Metabolism | Renal |
| Half-life | 2 hours |
| Identifiers | |
| CAS number | 60-32-2 Y |
| ATC code | B02AA01 |
| PubChem | CID 564 |
| DrugBank | DB00513 |
| ChemSpider | 548 Y |
| UNII | U6F3787206 Y |
| KEGG | D00160 Y |
| ChEBI | CHEBI:16586 Y |
| ChEMBL | CHEMBL1046 Y |
| NIAID ChemDB | 018631 |
| Chemical data | |
| Formula | C6H13NO2 |
| Mol. mass | 131.173 g/mol |
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| Y (what is this?) (verify) | |
Aminocaproic acid (also known as Amicar, ε-aminocaproic acid, ε-Ahx, or 6-aminohexanoic acid) is a derivative and analogue of the amino acid lysine, which makes it an effective inhibitor for enzymes that bind that particular residue. Such enzymes include proteolytic enzymes like plasmin, the enzyme responsible for fibrinolysis. For this reason it is effective in treatment of certain bleeding disorders, and it is marketed as Amicar. Aminocaproic acid is also an intermediate in the polymerization of Nylon-6, where it is formed by ring-opening hydrolysis of caprolactam.
Aminocaproic acid is used to treat excessive postoperative bleeding, especially after procedures in which a great amount of bleeding is expected, such as cardiac surgery. It can be given orally or intravenously. A meta-analysis found that lysine analogs like aminocaproic acid significantly reduced blood loss in patients undergoing coronary artery bypass grafting.
Aminocaproic acid can also be used to treat the overdose and/or toxic effects of the thrombolytic pharmacologic agents tissue plasminogen activator (commonly known as tPA) and streptokinase.
Aminocaproic acid is used for the treatment of excessive bleeding resulting from systemic hyperfibrinolysis and urinary fibrinolysis. In life-threatening situations, fresh whole blood, fibrinogen infusions, and other emergency measures also may be required.[1]
Aminocaproic acid is used in systemic hyperfibrinolysis associated with surgical complications following heart surgery (with or without cardiac bypass procedures) and portacaval shunt; in carcinoma of the lung, prostate, cervix, or stomach; in abruptio placentae; and in hematologic disorders such as amegakaryocytic thrombocytopenia accompanying aplastic anemia (reduces the need for platelet transfusions).[1][2]
Aminocaproic acid is used in urinary fibrinolysis associated with complications of severe trauma, anoxia, and shock, and as manifested by surgical hematuria especially following prostatectomy and nephrectomy, or in nonsurgical hematuria accompanying polycystic or neoplastic disease of the GU tract.
Aminocaproic acid is used in conjunction with heparin therapy in patients with acute promyelocytic leukemia. Use is not currently included in the labeling approved by the US Food and Drug Administration. It is used as initiate therapy when plasma α2-antiplasmin (α2-plasmin inhibitor) levels have decreased to <40% of normal levels.[3]
Aminocaproic acid has been used effectively for the prevention of secondary ocular hemorrhage in patients with nonperforating traumatic hyphema (Use is not currently included in the labeling approved by the US Food and Drug Administration.).[4] Designated an orphan drug by FDA for topical treatment of traumatic hyphema.[5]
Aminocaproic acid has been used orally for the management of hereditary hemorrhagic telangiectasia.[6] This use is not currently included in the labeling approved by the US Food and Drug Administration.
| This section does not cite any references or sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (August 2013) |
Its side effects include nausea, vomiting, and chronic mild fevers (37.2 to 37.8 °C). When used long-term (for approximately 6 to 12 months), there is a risk of the inflammation of one's internal organs, especially the appendix (appendicitis) and liver, as well as failure of the liver and cyanosis. It almost always causes generalized myalgia and fibromyalgia. In some cases, successive organ failure can occur after long-term usage. However, the main risk associated with aminocaproic acid is the increased risk for thrombosis because of the inhibition of fibrinolysis.
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| リンク元 | 「イプシロンアミノカプロン酸」「6-aminocaproic acid」「6-aminohexanoic acid」 |
| 関連記事 | 「aminocaproic acid」「epsilon」 |