This article needs more reliable medical references for verification or relies too heavily on primary sources. (June 2017) |
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Pronunciation | /ˌveɪzoʊˈprɛsɪn/ |
Trade names | Vasostrict (USA), Reverpleg (FR), Empressin (GER), others |
Other names | arginine vasopressin; argipressin |
AHFS/Drugs.com | Monograph |
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Routes of administration | Intravenous (IV), intramuscular (IM), subcutaneous (SC) |
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Physiological data | |
Source tissues | Supraoptic nucleus; Paraventricular nucleus of hypothalamus |
Target tissues | System-wide |
Receptors | V1A, V1B, V2, OXTR |
Agonists | Felypressin, Desmopressin |
Antagonists | Diuretics |
Metabolism | Predominantly in the liver and kidneys |
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Pharmacokinetic data | |
Protein binding | 1% |
Metabolism | Predominantly in the liver and kidneys |
Elimination half-life | 10-20 minutes |
Excretion | Urine |
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ECHA InfoCard | 100.003.669 |
Chemical and physical data | |
Formula | C46H65N15O12S2 |
Molar mass | 1084.24 g·mol−1 |
3D model (JSmol) | |
Density | 1.6±0.1 g/cm3 |
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Vasopressin infusions are in use for septic shock patients not responding to fluid resuscitation or infusions of catecholamines (e.g., dopamine or norepinephrine) to increase the blood pressure while sparing the use of catecholamines. These argipressins have much shorter elimination half-life (around 20 minutes) than synthetic non-arginine vasopresines with much longer elimination half-life of many hours. Further, argipressins act on V1a, V1b, and V2 receptors which consequently lead to higher eGFR and lower vascular resistance in the lungs. A number of injectable arginine vasopressins are in clinical use in the United States and the European Union. Pitressin among others, is a medication most commonly used in the treatment of frequent urination, increased thirst, and dehydration such as that resulting from diabetes insipidus, which causes increased and diluted urine.[2][3] It is used to treat abdominal distension following some surgeries, and in stomach roentgenography.[3] Vasopressin is a hormone that affects the kidneys and reduces urine flow.[4]
Side effects may include stomach ache, vertigo, pale skin, flatulence, headache, or tremor.[3][4]
It is available as a generic medication.[5]