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Comparison of the efficacy of candesartan and losartan: a meta-analysis of trials in the treatment of hypertension

Abstract

Informed by the findings from prospective observational studies and randomized outcome trials, guidelines for the management of hypertension acknowledge that the benefit of treatment can be attributed largely to blood pressure (BP) reduction. Therefore, quantification of differential BP lowering of different agents within classes of anti-hypertensives is of practical importance. The objective of this analysis was to compare the efficacy of candesartan and losartan with respect to reduction in systolic and diastolic BP (SBP and DBP). A systematic literature search of databases from 1980 to 1 October 2008 identified 13 studies in which candesartan and losartan were compared in randomized trials in hypertensive patients. Data from 4066 patients were included in the analysis using a random effect model. Mean changes in SBP and DBP were compared for each drug alone and after stratification for dose and for combination with hydrochlorothiazide (HCTZ). On the basis of all the data, the weighted mean difference favoured candesartan—3.22 mm Hg (95% confidence interval (CI) 2.16, 4.29) for SBP and 2.21 mm Hg (95% CI 1.34, 3.07) for DBP. These findings were consistent when analyses according to dose and combination with HCTZ were carried out. Thus, it can be concluded that at currently recommended doses, candesartan is more effective than losartan in lowering BP.

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Correspondence to P A Meredith.

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Competing interests

The analyses presented were supported by a grant from Takeda Pharmaceuticals, which carried no restrictions regarding the publication of the analysis. Peter Meredith and Gordon McInnes have received honoraria for consultancy, advisory board attendance and speaker fees from a number of pharmaceutical companies, including AstraZeneca, Bayer, Boehringer Ingelheim, GSK, MSD, Pfizer and Takeda.

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Meredith, P., Murray, L. & McInnes, G. Comparison of the efficacy of candesartan and losartan: a meta-analysis of trials in the treatment of hypertension. J Hum Hypertens 24, 525–531 (2010). https://doi.org/10.1038/jhh.2009.99

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Keywords

  • angiotensin II type 1 receptor blockers
  • anti-hypertensive treatment
  • randomized controlled trials
  • losartan
  • candesartan
  • benzimidazoles

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