Document Detail

A randomised, placebo-controlled, double-blind, crossover study of losartan and enalapril in patients with essential hypertension.
MedLine Citation:
PMID:  11317199     Owner:  NLM     Status:  MEDLINE    
The primary objective of this randomised, placebo- controlled, double-blind, crossover study, was to evaluate and compare the longer term effects of the angiotensin II type 1 receptor antagonist losartan and the converting enzyme inhibitor enalapril on 24-h ambulatory blood pressure (BP). After a 4-week placebo run-in period, nine patients with essential hypertension entered the double-blind phase of the study, which consisted of three 6-week periods during which patients were treated with placebo, enalapril 20 mg o.d. or losartan 50 mg o.d. Losartan and enalapril, taken between 07.00 and 08.00, reduced ambulatory BP throughout the 24-h period. Average night time BP was reduced from 133/85 mm Hg on placebo to 124/78 mm Hg on enalapril and to 126/77 mm Hg on losartan. Daytime BP averaged 157/101 mm Hg on placebo, and was significantly lower during enalapril (142/91 mm Hg) than during losartan treatment (147/95 mm Hg). Clinic BP, measured 2 to 4 hours after drug intake, was reduced to the same extent by both drugs. The losartan-induced BP changes were significantly related to those obtained with enalapril (0.63 < r < 0.93). Ambulatory BP monitoring was repeated after 4 weeks of combined therapy in six patients. The BP lowering effect of the combination was not significantly better than that achieved with enalapril alone. In conclusion, losartan 50 mg o.d. and enalapril 20 mg o.d. lower BP to approximately the same extent, except for a more pronounced effect of enalapril on daytime ambulatory BP. The current study does not provide convincing evidence that addition of losartan to enalapril in the doses used further reduces BP.
R Fagard; P Lijnen; K Pardaens; L Thijs; W Vinck
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of human hypertension     Volume:  15     ISSN:  0950-9240     ISO Abbreviation:  J Hum Hypertens     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-04-24     Completed Date:  2001-06-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8811625     Medline TA:  J Hum Hypertens     Country:  England    
Other Details:
Languages:  eng     Pagination:  161-7     Citation Subset:  IM    
Hypertension and Cardiovascular Rehabilitation Unit, Department of Molecular and Cardiovascular Research, Faculty of Medicine, University of Leuven KU Leuven, Leuven, Belgium.
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MeSH Terms
Antihypertensive Agents / therapeutic use*
Blood Pressure / drug effects*,  physiology
Blood Pressure Monitoring, Ambulatory
Cross-Over Studies
Double-Blind Method
Enalapril / therapeutic use*
Hypertension / drug therapy*,  physiopathology
Losartan / therapeutic use*
Middle Aged
Reg. No./Substance:
0/Antihypertensive Agents; 114798-26-4/Losartan; 75847-73-3/Enalapril

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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