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|Title:||Pivaloyloxymethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl) biphenyl-4-yl] benzimidazole-7-carboxylate or a pharmaceutically acceptable salt thereof and compositions and method of pharmaceutical use thereof|
|Abstract:||Pivaloyloxymethyl2-ethoxy-1-[['-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benz imidazole-7-carboxylate or a pharmaceutically acceptable salt thereof has potent angiotensin II antagonistic activity and antihypertensive activity, thus being a useful therapeutic agent for treating circulatory system diseases such as hypertensive diseases, heart diseases (e.g. hypercardia, heart failure, cardiac infarction, etc.), strokes, cerebral apoplexy or nephritis.|
|Inventor(s):||Naka; Takehiko (Kobe, JP), Nishikawa; Kohei (Kyoto, JP), Kato; Takeshi (Higashiosaka, JP)|
|Assignee:||Takeda Chemical Industries, Ltd. (Osaka, JP)|
|Filing Date:||Jan 05, 1993|
|Claims:||1. Pivaloyloxymethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl) biphenyl-4-yl]methyl]benzimidazole-7-carboxylate or a pharmaceutically acceptable salt thereof. |
2. A pharmaceutical composition for antagonizing angiotensin II which comprises a therapeutically effective amount of pivaloyloxymethyl 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 a therapeutically effective amount of pivaloyloxymethyl 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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