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Aprovel

Active Substance: irbesartan
Common Name: irbesartan
ATC Code: C09CA04
Marketing Authorisation Holder: Sanofi Clir SNC
Active Substance: irbesartan
Status: Authorised
Authorisation Date: 1997-08-27
Therapeutic Area: Hypertension
Pharmacotherapeutic Group: Agents acting on the renin-angiotensin system

Therapeutic Indication

Treatment of essential hypertension.

Treatment of renal disease in patients with hypertension and type-2 diabetes mellitus as part of an antihypertensive medicinal-product regimen.

What is Aprovel?

Aprovel is a medicine that contains the active substance irbesartan. It is available as tablets (75, 150 and 300 mg).

What is Aprovel used for?

Aprovel is used in adults who have essential hypertension (high blood pressure). ‘Essential’ means that the hypertension has no obvious cause. Aprovel is also used to treat kidney disease in adults with hypertension and type-2 diabetes. The medicine can only be obtained with a prescription.

How is Aprovel used?

The usual recommended dose of Aprovel is 150 mg once a day. If the blood pressure is not sufficiently controlled, the dose can be increased to 300 mg a day or other medicines for hypertension can be added, such as hydrochlorothiazide. A starting dose of 75 mg can be used in patients receiving haemodialysis (a blood clearance technique) or in patients over 75 years of age.

In patients with hypertension and type-2 diabetes, Aprovel is added to some other treatments for hypertension. Treatment is started at 150 mg once a day and is usually increased to 300 mg once a day.

How does Aprovel work?

The active substance in Aprovel, irbesartan, is an ‘angiotensin-II-receptor antagonist’, which means that it blocks the action of a hormone in the body called angiotensin II. Angiotensin II is a powerful vasoconstrictor (a substance that narrows blood vessels). By blocking the receptors to which angiotensin II normally attaches, irbesartan stops the hormone having an effect, allowing the blood vessels to widen. This allows the blood pressure to drop, reducing the risks associated with high blood pressure, such as having a stroke.

How has Aprovel been studied?

Aprovel was originally studied in 11 trials for its effects on blood pressure. Aprovel was compared with placebo (a dummy treatment) in 712 patients and with other medicines for hypertension (atenolol, enalapril or amlodipine) in 823 patients. Its use in combination with hydrochlorothiazide was also examined in 1,736 patients. The main measure of effectiveness was the reduction in diastolic blood pressure (the blood pressure measured between two heartbeats).

For the treatment of kidney disease, Aprovel was studied in two large studies involving a total of 2,326 patients with type-2 diabetes. Aprovel was used for two years or more. One study looked at markers of kidney damage by measuring whether the kidneys were releasing the protein albumin into the urine. The second study looked at whether Aprovel increased the time taken until the patients’ blood creatinine levels had doubled (a marker of kidney disease), until they needed a kidney transplant or dialysis, or until they died. In this study, Aprovel was compared with placebo and with amlodipine.

What benefit has Aprovel shown during the studies?

In the blood pressure studies, Aprovel was more effective than placebo at reducing diastolic blood pressure and had similar effects to the other medicines for hypertension. When used with hydrochlorothiazide, the effects of the two medicines were additive.

In the first kidney-disease study, Aprovel was more effective than placebo at reducing the risk of developing kidney damage as measured by protein excretion. In the second kidney-disease study, Aprovel reduced the relative risk of a doubling of blood creatinine levels, needing a kidney transplant or dialysis, or death during the study by 20% in comparison with placebo. There was a 23% relative risk reduction compared with amlodipine. The main benefit was on the effect on blood creatinine levels.

What is the risk associated with Aprovel?

The most common side effect with Aprovel (seen in more than 1 patient in 10) is hyperkalaemia (high blood potassium levels). For the full list of all side effects reported with Aprovel, see the package leaflet.

Aprovel must not be used in people who are hypersensitive (allergic) to irbesartan or any of the other ingredients. It must not be used in women who are more than three months pregnant. Its use during the first three months of pregnancy is not recommended. Aprovel in combination with aliskiren-containing medicines (used to treat essential hypertension) must not be used in patients with diabetes, or moderate or severe kidney impairment.

Why has Aprovel been approved?

The CHMP decided that Aprovel’s benefits are greater than its risks and recommended that it be given marketing authorisation.

Other information about Aprovel

The European Commission granted a marketing authorisation valid throughout the European Union for Aprovel on 27 August 1997.

For more information about treatment with Aprovel, read the package leaflet (also part of the EPAR) or contact your doctor or pharmacist.

Source: European Medicines Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.

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