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Dove agisce il Coumadin?

Posted on Settembre 6, 2022 By Author

Dove agisce il Coumadin?

Coumadin e gli altri anticoagulanti cumarinici agiscono inibendo la sintesi dei fattori della coagulazione che dipendono dalla vitamina K (come i Fattori II, VII, IX e X e le proteine anticoagulanti C e S). L’effetto risultante in vivo è una inibizione sequenziale dell’attività di questi Fattori.

Quando si deve prendere il COUMADIN?

Di regola, il coumadin viene assunto una volta al giorno alla stessa ora, preferibilmente lontano dai pasti e nelle ore centrali del pomeriggio (o la sera prima di andare a letto).

Chi usa il COUMADIN?

Coumadin è il nome commerciale con cui viene venduto in Italia il farmaco a base di warfarin, ossia quello che fino a pochi anni fa era il farmaco anticoagulante di elezione; questa classe di farmaci viene prescritta ai pazienti in cui il sangue tende a coagularsi in modo eccessivo, con il conseguente rischio di …

Does CYP2C9 genotype predict anticoagulation effect of warfarin?

Warfarin anticoagulation effect is characterized by marked variability, some of which has been attributed to CYP2C9 polymorphisms. This study prospectively examines whether a priori knowledge of CYP2C9 genotype may improve warfarin therapy.

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How are Patients randomly assigned to receive warfarin?

Patients were randomly assigned to receive warfarin by a validated algorithm (“control”, 96 patients) or CYP2C9 genotype-adjusted algorithms (“study”, 95 patients). The first therapeutic international normalized ratio and stable anticoagulation were reached 2.73 and 18.1 days earlier in the study group, respectively (P<0.001).

Do genes affect warfarin dose variability?

Extensive literature and FDA warning labels indicate that specific variations in these genes affect warfarin dose variability. Genetic results can assist in the selection of a safe and effective starting dose of warfarin. This DGI provides a dosing algorithm that considers the VKORC1 and CYP2C9 genes mentioned above as well as clinical factors.

What is the CYP2C9 gene?

The CYP2C9 (sounds like “sip-2-see-9”) gene encodes the CYP2C9 enzyme, which is a member of the cytochrome P450 enzyme family. There are different CYP2C9 gene versions, or variants, and each has a different effect on how well warfarin is metabolized in the body.

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