Comparison of the antihypertensive effects of the new angiotensin II (AT1) receptor antagonist candesartan cilexetil (TCV-116) and the angiotensin converting enzyme inhibitor enalapril in rats.
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Wada T, Inada Y, Ojima M, Sanada T, Shibouta Y, Nishikawa K
Comparison of the antihypertensive effects of the new angiotensin II (AT1) receptor antagonist candesartan cilexetil (TCV-116) and the angiotensin converting enzyme inhibitor enalapril in rats.
Hypertens Res. 1996 Jun;19(2):75-81.
- PubMed ID
- 10968199 [ View in PubMed]
- Abstract
Antihypertensive effects of an angiotensin (Ang) II receptor antagonist, candesartan cilexetil (TCV-116), were compared with those of an angiotensin converting enzyme (ACE) inhibitor, enalapril, in spontaneously hypertensive rats (SHR), 2-kidney, 1-clip hypertensive rats (2K, 1C-HR) and 1-kidney, 1-clip hypertensive rats (1K, 1C-HR). CV-11974, the active form of TCV-116, had no inhibitory activity for plasma ACE. In rats, TCV-116 inhibited the pressor responses to Ang I, Ang II, and Ang III without an effect on the bradykinin (BK)-induced depressor response. Enalapril inhibited only the Ang I-response and potentiated the BK-response. In SHR, the antihypertensive effect of TCV-116 (10 mg/kg) was larger than the maximum antihypertensive effect of enalapril and was not intensified by combination with enalapril. Administration of CV-11974 potentiated the maximum antihypertensive effect of enalapril. Although both agents reduced blood pressure in 2K, 1C-HR, only TCV-116 had a marked antihypertensive effect in 1K, 1C-HR. These findings indicate that TCV-116 is more effective than enalapril in reducing blood pressure in SHR and 1K, 1C-HR, and that the BK- and/or prostaglandin-potentiating effect of enalapril contributes little to its antihypertensive mechanism in SHR.
DrugBank Data that Cites this Article
- Drug Targets
Drug Target Kind Organism Pharmacological Action Actions Candesartan Type-1 angiotensin II receptor Protein Humans YesAntagonistDetails Candesartan cilexetil Type-1 angiotensin II receptor Protein Humans YesAntagonistDetails