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Product Details:

  • CAS No: 72956-09-3
  • AHFC code: 24:04.00 24:24.00
  • Synonyms: Carvedilolum [Latin]
  • ATC Code: C07AG02
  • Chemical Formula: C8H14N3O6P
  • Molecular Weight: 406.4742
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB01136 (APRD00091)
  • SMILES: COC1=CC=CC=C1OCCNCC(O)COC1=CC=CC2=C1C1=CC=CC=C1N2
  • InChl: OGHNVEJMJSYVRP-UHFFFAOYSA-N
  • PubChem: 2585
  • IUPAC: [3-(9H-carbazol-4-yloxy)-2-hydroxypropyl][2-(2-methoxyphenoxy)ethyl]amine

Additional Details

Indication:
For the treatment of mild or moderate (NYHA class II or III) heart failure of ischemic or cardiomyopathic origin.
Pharmacodynamics:
Carvedilol is a nonselective beta-adrenergic blocking agent with alpha1-blocking activity and is indicated for the treatment of hypertension and mild or moderate (NYHA class II or III) heart failure of ischemic or cardiomyopathic origin. Carvedilol is a racemic mixture in which nonselective b-adrenoreceptor blocking activity is present in the S(-) enantiomer and a-adrenergic blocking activity is present in both R(+) and S(-) enantiomers at equal potency. Carvedilol has no intrinsic sympathomimetic activity. The effect of carvedilol's b-adrenoreceptor blocking activity has been demonstrated in animal and human studies showing that carvedilol (1) reduces cardiac output in normal subjects; (2) reduces exercise-and/or isoproterenol-induced tachycardia and (3) reduces reflex orthostatic tachycardia.
Mode of Action:
Carvedilol is a racemic mixture in which nonselective beta-adrenoreceptor blocking activity is present in the S(-) enantiomer and alpha-adrenergic blocking activity is present in both R(+) and S(-) enantiomers at equal potency. Carvedilol's beta-adrenergic receptor blocking ability decreases the heart rate, myocardial contractility, and myocardial oxygen demand. Carvedilol also decreases systemic vascular resistance via its alpha adrenergic receptor blocking properties. Carvedilol and its metabolite BM-910228 (a less potent beta blocker, but more potent antioxidant) have been shown to restore the inotropic responsiveness to Ca2+ in OH- free radical-treated myocardium. Carvedilol and its metabolites also prevent OH- radical-induced decrease in sarcoplasmic reticulum Ca2+-ATPase activity. Therefore, carvedilol and its metabolites may be beneficial in chronic heart failure by preventing free radical damage.
Metabolism:
Hepatic. Carvedilol is metabolized primarily by aromatic ring oxidation and glucuronidation. The oxidative metabolites are further metabolized by conjugation via glucuronidation and sulfation. Demethylation and hydroxylation at the phenol ring produce three active metabolites with b-receptor blocking activity. The 4'-hydroxyphenyl metabolite is approximately 13 times more potent than carvedilol for b-blockade.
Toxicity:
Not expected to be toxic following ingestion.
General Reference:
Packer M, Fowler MB, Roecker EB, Coats AJ, Katus HA, Krum H, Mohacsi P, Rouleau JL, Tendera M, Staiger C, Holcslaw TL, Amann-Zalan I, DeMets DL: Effect of carvedilol on the morbidity of patients with severe chronic heart failure: results of the carvedilol prospective randomized cumulative survival (COPERNICUS) study. Circulation. 2002 Oct 22;106(17):2194-9. Pubmed Packer M, Coats AJ, Fowler MB, Katus HA, Krum H, Mohacsi P, Rouleau JL, Tendera M, Castaigne A, Roecker EB, Schultz MK, DeMets DL: Effect of carvedilol on survival in severe chronic heart failure. N Engl J Med. 2001 May 31;344(22):1651-8. Pubmed Vanderhoff BT, Ruppel HM, Amsterdam PB: Carvedilol: the new role of beta blockers in congestive heart failure. Am Fam Physician. 1998 Nov 1;58(7):1627-34, 1641-2. Pubmed
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