No evidence of carcinogenicity was found when benazepril was administered to rats and mice for up to two years at doses of up to 150 mg/kg/day. When compared on the basis of body weights, this dose is 110 times the maximum recommended human dose. When compared on the basis of body surface areas, this dose is 18 and 9 times (rats and mice, respectively) the maximum recommended human dose (calculations assume a patient weight of 60 kg). No mutagenic activity was detected in the Ames test in bacteria (with or without metabolic activation), in an in vitro test for forward mutations in cultured mammalian cells, or in a nucleus anomaly test. In doses of 50 to 500 mg/kg/day (6 to 60 times the maximum recommended human dose based on mg/m2 comparison and 37 to 375 times the maximum recommended human dose based on a mg/kg comparison), benazepril had no adverse effect on the reproductive performance of male and female rats.
In single-dose studies, benazepril lowered blood pressure within 1 hour, with peak reductions achieved between 2 and 4 hours after dosing. The antihypertensive effect of a single dose persisted for 24 hours. In multiple-dose studies, once-daily doses of between 20 mg and 80 mg decreased seated pressure 24 hours after dosing by about 6 to 12 mm Hg systolic and 4 to 7 mm Hg diastolic. The trough values represent reductions of about 50% of that seen at peak.
Four dose-response studies using once-daily dosing were conducted in 470 mild-to-moderate hypertensive patients not using diuretics. The minimal effective once-daily dose of benazepril was 10 mg; but further falls in blood pressure, especially at morning trough, were seen with higher doses in the studied dosing range (10 to 80 mg). In studies comparing the same daily dose of benazepril given as a single morning dose or as a twice-daily dose, blood pressure reductions at the time of morning trough blood levels were greater with the divided regimen.
The antihypertensive effects of benazepril were not appreciably different in patients receiving high- or low-sodium diets.
In normal human volunteers, single doses of benazepril caused an increase in renal blood flow but had no effect on glomerular filtration rate.
Use of benazepril in combination with thiazide diuretics gives a blood-pressure-lowering effect greater than that seen with either agent alone. By blocking the renin-angiotensin-aldosterone axis, administration of benazepril tends to reduce the potassium loss associated with the diuretic.
In a clinical study of 107 pediatric patients, 7 to 16 years of age, with either systolic or diastolic pressure above the 95th percentile, patients were given 0.1 or 0.2 mg/kg then titrated up to 0.3 or 0.6 mg/kg with a maximum dose of 40 mg once daily. After four weeks of treatment, the 85 patients whose blood pressure was reduced on therapy were then randomized to either placebo or benazepril and were followed up for an additional two weeks. At the end of two weeks, blood pressure (both systolic and diastolic) in children withdrawn to placebo rose by 4 to 6 mm Hg more than in children on benazepril. No dose-response was observed.
NDC: 50090-5751-0 30 TABLET, FILM COATED in a BOTTLE
NDC: 50090-5751-2 90 TABLET, FILM COATED in a BOTTLE
Pregnancy: Tell female patients of childbearing age about the consequences of exposure to benazepril during pregnancy. Discuss treatment options with women planning to become pregnant. Instruct patients to report pregnancies to their physicians as soon as possible.
Angioedema: Angioedema, including laryngeal edema, can occur at any time with treatment with ACE inhibitors. Tell patients to report immediately any signs or symptoms suggesting angioedema (swelling of face, eyes, lips, or tongue, or difficulty in breathing) and to take no more drugs until they have consulted with the prescribing physician.
Symptomatic Hypotension: Tell patients to report light-headedness especially during the first few days of therapy. If actual syncope occurs, tell the patients to discontinue the drug until they have consulted with the prescribing physician.
Tell patients that excessive perspiration and dehydration may lead to an excessive fall in blood pressure because of a reduction in fluid volume. Other causes of volume depletion such as vomiting or diarrhea may also lead to a fall in blood pressure; advise patients accordingly.
Hyperkalemia: Tell patients not to use potassium supplements or salt substitutes containing potassium without consulting the prescribing physician.
Hypoglycemia: Tell diabetic patients treated with oral antidiabetic agents or insulin starting an ACE inhibitor to monitor for hypoglycemia closely, especially during the first month of combined use.
Aurobindo Pharma USA, Inc.
279 Princeton-Hightstown Road
East Windsor, NJ 08520
Aurobindo Pharma Limited
Hyderabad-500 038, India Revised: 02/2019
BENAZEPRIL HYDROCHLORIDELabel Image
|BENAZEPRIL HYDROCHLORIDE benazepril hydrochloride tablet, film coated|
|Labeler — A-S Medication Solutions (830016429)|
|A-S Medication Solutions||830016429||RELABEL (50090-5751), REPACK (50090-5751)|
Revised: 10/2021 A-S Medication Solutions
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