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Candesartan

 
Drug Info: Candesartan

Brand names: Atacand®

Chemical formula:



Candesartan Cilexetil Oral tablet

What is this medicine?

CANDESARTAN (kan des AR tan) is used to treat high blood pressure in children and adults. This drug is also used to treat adults with heart failure.
 
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
•heart failure
•kidney or liver disease
•if you are on a special diet, such as a low salt diet
•an unusual or allergic reaction to candesartan, other medicines, foods, dyes, or preservatives
•pregnant or trying to get pregnant
•breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. This medicine can be taken with or without food. Take your doses at regular intervals. Do not take your medicine more often than directed.
 
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 1 year for selected conditions, precautions do apply. For children who are unable to swallow tablets, the pharmacist can prepare the medicine in an oral suspension.
 
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

What may interact with this medicine?

•blood pressure medicines
•diuretics, especially triamterene, spironolactone, or amiloride
•lithium
•NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
•potassium salts or potassium supplements

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Check your blood pressure as directed. Ask your doctor or health care professional what your blood pressure should be and when you should contact him or her. Call your doctor or health care professional if you notice an irregular or fast heart beat.

Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child, particularly in the second or third trimester. Talk to your health care professional or pharmacist for more information.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

Avoid salt substitutes unless you are told otherwise by your doctor or health care professional.

Do not treat yourself for coughs, colds, or pain while you are taking this medicine without asking your doctor or health care professional for advice. Some ingredients may increase your blood pressure.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
•allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
•breathing problems
•chest pain
•decreased amount of urine passed
•fast or irregular heart beat
•feeling faint or lightheaded, falls
•swelling of your hands or feet

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
•change in sex drive or performance
•cough
•headache
•nausea or stomach pain

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.

Last updated: 7/1/2002

Important Disclaimer: The drug information provided here is for educational purposes only. It is intended to supplement, not substitute for, the diagnosis, treatment and advice of a medical professional. This drug information does not cover all possible uses, precautions, side effects and interactions. It should not be construed to indicate that this or any drug is safe for you. Consult your medical professional for guidance before using any prescription or over the counter drugs.

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Wikipedia: Candesartan
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Candesartan
Systematic (IUPAC) name
2-ethoxy-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1H-1,3-benzodiazole-6-carboxylic acid
Identifiers
CAS number 139481-59-7
ATC code C09CA06
PubChem 2541
DrugBank APRD00420
ChemSpider 2445
Chemical data
Formula C24H20N6O3 
Mol. mass 440.45
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability 15% (candesartan cilexetil)
Metabolism Candesartan cilexetil: intestinal wall; candesartan: hepatic (CYP2C9)
Half life 5.1–10.5 hours
Excretion Renal 33%, faecal 67%
Therapeutic considerations
Pregnancy cat.

D(AU)

Legal status

Prescription only

Routes oral
 Yes check.svgY(what is this?)  (verify)

Candesartan (rINN) (pronounced /ˌkændɨˈsɑrtən/) is an angiotensin II receptor antagonist used mainly for the treatment of hypertension. The prodrug candesartan cilexetil is marketed by AstraZeneca and Takeda Pharmaceuticals, commonly under the trade names Blopress, Atacand, Amias, and Ratacand.

Contents

Clinical use

As all angiotensin II receptor antagonists, candesartan is indicated for the treatment of hypertension. Results from the CHARM study in the early 2000s demonstrated the morbidity and mortality reduction benefits of candesartan therapy in congestive heart failure.[1] Thus, while ACE inhibitors are still considered first-line therapy in heart failure, candesartan can be used in combination with an ACE to achieve improved mortality and morbidity vs. an ACE alone and additionally is an alternative in patients intolerant of ACE inhibitor therapy.

Prehypertension

In a four-year randomized controlled trial, candesartan was compared to placebo to see whether it could prevent or postpone the development of full-blown hypertension in people with so-called prehypertension. During the first two years of the trial, half of participants were given candesartan, and the others received placebo; candesartan reduced the risk of developing hypertension by nearly two-thirds during this period. In the last two years of the study, all participants were switched to placebo. By the end of the study, candesartan had significantly reduced the risk of hypertension, by more than 15%. Serious side effects were actually more common among participants receiving placebo than in those given candesartan.[2]

Combination with diuretic

Candesartan is also available in a combination formulation with a low dose thiazide diuretic, invariably hydrochlorothiazide, to achieve an additive antihypertensive effect. Candesartan/hydrochlorothiazide combination preparations are marketed under various trade names including Atacand HCT, Hytacand, Blopress Plus and Ratacand Plus.

Candesartan cilexetil

Chemistry and pharmacokinetics

Candesartan is marketed as the cyclohexyl 1-hydroxyethyl carbonate (cilexetil) ester, known as candesartan cilexetil. Candesartan cilexetil is metabolised completely by esterases in the intestinal wall during absorption to the active candesartan moieity.

The use of a prodrug form increases the bioavailability of candesartan. Despite this, absolute bioavailability is relatively poor at 15% (candesartan cilexetil tablets) to 40% (candesartan cilexetil solution).

See also

References

  1. ^ Pfeffer M, Swedberg K, Granger C, Held P, McMurray J, Michelson E, Olofsson B, Ostergren J, Yusuf S, Pocock S (2003). "Effects of candesartan on mortality and morbidity in patients with chronic heart failure: the CHARM-Overall programme". Lancet 362 (9386): 759–66. doi:10.1016/S0140-6736(03)14282-1. PMID 13678868. 
  2. ^ Julius S, Nesbitt SD, Egan BM et al. (July 2006). "Feasibility of treating prehypertension with an angiotensin-receptor blocker". New England Journal of Medicine 354 (16): 1685–97. PMID 16537662. 

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Drug Info. Gold Standard. Copyright © 2008 by Gold Standard. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Candesartan" Read more