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  • Title: Candesartan cilexetil: an angiotensin II-receptor blocker.
    Author: See S, Stirling AL.
    Journal: Am J Health Syst Pharm; 2000 Apr 15; 57(8):739-46. PubMed ID: 10786259.
    Abstract:
    The mechanism of action, pharmacokinetics, pharmacodynamics, clinical efficacy, and adverse effects of candesartan cilexetil are reviewed. Candesartan is an angiotensin II-receptor blocker (ARB). It is administered as a pro-drug that undergoes activation during gastrointestinal absorption. The agent is excreted mostly unchanged and has a terminal half-life of about nine hours (slightly longer in the elderly). Candesartan differs from other agents in its class in that it is tightly bound to angiotensin II type 1 receptors, allowing prolonged activity. In clinical trials, candesartan cilexetil has produced a dose-dependent effect when given in dosages of 2-32 mg/day. Observed trough-to-peak blood pressure ratios support a once-daily dosage regimen. The antihypertensive effect of candesartan cilexetil 4-16 mg/day was as great as that of enalapril 10-20 mg/day and amlodipine 5 mg/day and larger than that of losartan potassium 50 mg/day. Adding candesartan cilexetil to hydrochlorothiazide 12.5-25 mg/day and amlodipine 5 mg/day led to enhanced blood-pressure reductions and was well tolerated. It appears that candesartan can decrease renal perfusion without adversely affecting renal blood flow and may mediate a decrease in albuminuria in hypertensive patients with type 2 diabetes. No clinically important drug interactions have been reported. Adverse effects include headache, dizziness, nausea, diarrhea, and transient elevations in liver transaminases. The frequency of cough is similar to that seen with placebo. Candesartan cilexetil is an effective antihypertensive agent that can be used alone or in combination with other antihypertensive drugs. It is generally well tolerated and may be an option for patients who cannot tolerate angiotensin-converting-enzyme inhibitors because of cough.
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