Abstract

AbstractSartans, also known as angiotensin receptor blockers, comprise a category of antihypertensive medications designed to inhibit the actions of angiotensin II (Ang II) in the body, ultimately reducing blood pressure levels. This class of compounds is derived from 2-(1-benzyl-1H-imidazol-5-yl)-acetic acid, with its origin characterized by an imidazole core that underwent various substitutions at specific positions within the heterocyclic nucleus. We investigated the behavior of Losartan, Valsartan and Irbesartan and their compatibility with various excipients used in pharmaceutical tablet formulations by FTIR spectroscopic studies, thermal behavior by thermogravimetry and differential scanning calorimetry. The aim of the study was to determine the excipients to be used in pharmaceutical formulations containing drugs from the class of sartans as active ingredients. Our study concludes by recommending precautionary measures in elaborating new solid formulations containing lactose in the case of Losartan.

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