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Avapro  


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Irbesartan
Systematic (IUPAC) name
2-butyl-3-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1,3-diazaspiro[4.4]non-1-en-4-one
Identifiers
CAS number 138402-11-6
ATC code C09CA04
PubChem 3749
DrugBank APRD00413
Chemical data
Formula C25H28N6O 
Mol. mass 428.53
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability 6080%
Metabolism Hepatic (CYP2C9)
Half life 1115 hours
Excretion Renal 20%, faecal 65%
Therapeutic considerations
Licence data

EU EMEA:linkUS FDA:link

Pregnancy cat.

D (Au)

Legal status

S4 (Au), POM (UK), -only (U.S.)

Routes Oral


Irbesartan (INN) (pronounced /rbsrtn/) is an angiotensin II receptor antagonist used mainly for the treatment of hypertension. Irbesartan was developed by Sanofi Research (now part of sanofi-aventis). It is jointly marketed by sanofi-aventis and Bristol-Myers Squibb under the trade names Aprovel, Karvea, and Avapro.

Contents

Clinical use

Indications

As with all angiotensin II receptor antagonists, irbesartan is indicated for the treatment of hypertension. Irbesartan may also delay progression of diabetic nephropathy and is also indicated for the reduction of renal disease progression in patients with type 2 diabetes,[1] hypertension and microalbuminuria (>30 mg/24 hours) or proteinuria (>900 mg/24 hours).[2]

Combination with diuretic

Irbesartan is also available in a combination formulation with a low dose thiazide diuretic, invariably hydrochlorothiazide, to achieve an additive antihypertensive effect. Irbesartan/hydrochlorothiazide combination preparations are marketed under similar trade names to irbesartan preparations, including Irda, CoIrda, CoAprovel, Karvezide, Avalide and Avapro HCT.

No benefits seen for

A large randomized trial following 4100+ men and women with heart failure and normal ejection fraction (>=45%) over 4+ years found no improvement in study outcomes or survival with irbesartan as compared to placebo.[3]

Market

BMS annual sales approx $1.3bn. Sanofi-aventis annual sales approx $2.1bn. Patent expires in 2011.

References

  1. ^ Lewis EJ, Hunsicker LG, Clarke WR, Berl T, Pohl MA, Lewis JB, Ritz E, Atkins RC, Rohde R, Raz I; Collaborative Study Group. (2001). "Renoprotective effect of the angiotensin-receptor antagonist irbesartan in patients with nephropathy due to type 2 diabetes". N Engl J Med 345 (12): 85160. doi:10.1056/NEJMoa011303. PMID 11565517. 
  2. ^ Rossi S, editor. Australian Medicines Handbook 2006. Adelaide: Australian Medicines Handbook; 2006. ISBN 0-9757919-2-3
  3. ^ Massie BM, Carson PE, McMurray JJ, Komajda M, McKelvie R, Zile MR, Anderson S, Donovan M, Iverson E, Staiger C, Ptaszynska A (December 2008). "Irbesartan in patients with heart failure and preserved ejection fraction". N. Engl. J. Med. 359 (23): 245667. doi:10.1056/NEJMoa0805450. PMID 19001508. 

See also




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Drug Interaction
I have just started taking Avapro and Lexapro. I am sleepy all the time, even after a ful nights rest. Could this be a side affect of either/or the drugs, or perhaps taking them together?
Monday, 9/21/2009 3:16:30 PM  5 Replies RSS Feed for these replies
Have Been Very Drowsy
Since I began taking 2 x 150 mg pills of Avapro a day I have been sleeping more. Anyone else with this?
Friday, 2/3/2006 2:06:59 PM  4 Replies RSS Feed for these replies




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http://en.wikipedia.org/wiki/Avapro


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drug_details.asp Last Updated September 21 2009


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