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Details for Patent: 5,401,764

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Details for Patent: 5,401,764

Title: Benzimidazole derivative compositions and medical use thereof
Abstract:1-Acetoxyethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-car boxylate or a pharmaceutically acceptable salt thereof has potent angiotensin II antagonistic activity and antihypertensive activity, thus being useful as therapeutic agents for treating circulatory system diseases such as hypertensive diseases, heart diseases (e.g. hypercardia, heart failure, cardiac infarction, etc.), strokes, cerebral apoplexy, nephritis, etc.
Inventor(s): Naka; Takehiko (Kobe, JP), Nishikawa; Kohei (Kyoto, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Filing Date:May 10, 1993
Application Number:08/058,739
Claims:1. 1-Acetoxyethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-car boxylate or a pharmaceutically acceptable salt thereof.

2. A pharmaceutical composition for antagonizing angiotensin II which comprises a therapeutically effective amount of 1-acetoxyethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-car boxylate or a pharmaceutically acceptable salt thereof in admixture with a pharmaceutically acceptable carrier, excipient or diluent.

3. A method for antagonizing angiotensin II in a mammal which comprises administering to a mammal in need thereof a therapeutically effective amount of 1-acetoxyethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-car boxylate or a pharmaceutically acceptable salt thereof.
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