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Design and Characterization of Valsartan Loaded Press Coated Pulsatile Tablets

Sowjanya Battu, Madhavi K, Bhikshapathi DBRN, and Abbulu K

Valsartan (Diovan) is an antihypertensive drug belonging to the family of angiotensin II receptor antagonists. At a dose of 40 mg/d, its antihypertensive effect is inconsistent. At 80 mg/d its effect on blood pressure, its adverse effects, and its contraindications (mainly pregnancy and renal artery stenosis) are similar to those of angiotensin-converting enzyme (ACE) inhibitors, except that coughing is rarer with valsartan than with ACE inhibitors. Valsartan has no demonstrated advantage over losartan, another angiotensin II antagonist. Valsartan has not been shown to prevent complications of arterial hypertension, and its use is, therefore, less well validated than that of diuretics and beta-blockers.