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Effect of valsartan compared with valsartan/hydrochlorothiazide on plasma levels of cellular adhesion molecules : the Val-MARC trial

Conen, D. and Everett, B. M. and Glynn, R. J. and Ridker, P. M.. (2008) Effect of valsartan compared with valsartan/hydrochlorothiazide on plasma levels of cellular adhesion molecules : the Val-MARC trial. Heart, Vol. 94, H. 3 , e13.

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Official URL: http://edoc.unibas.ch/dok/A6004046

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Abstract

BACKGROUND: The Val-MARC trial showed that the angiotensin receptor blocker valsartan reduces high-sensitivity C reactive protein (hsCRP) levels, an effect that is independent of blood pressure, and seems to be neutralised by the addition of hydrochlorothiazide. OBJECTIVE: To evaluate whether valsartan influences soluble intercellular adhesion molecule 1 (sICAM-1) or vascular cell adhesion molecule 1 (sVCAM-1). DESIGN: Post-hoc analysis from a randomised trial. SETTING: Val-MARC trial. PATIENTS: 1188 patients with stage 2 hypertension. INTERVENTION: Random allocation to either valsartan 320 mg (n = 607) or combination therapy with valsartan/hydrochlorothiazide 320 mg/12.5 mg (n = 581) for 6 weeks. MAIN OUTCOME MEASURE: Change in sICAM-1 and sVCAM-1 from baseline to 6 weeks of follow-up RESULTS: After treatment, median (interquartile range) sICAM-1 levels were reduced by both valsartan alone (-4 (-25 to 16) ng/ml, p = 0.005) and valsartan/hydrochlorothiazide (-4 (-22 to 17) ng/ml, p = 0.028), such that the between-group difference was not significant (p = 0.7). The median percentage change from baseline was small in both groups (-1.6% and -1.3%). Median (interquartile range) sVCAM-1 levels were reduced by both valsartan alone (-13 (-70 to 42) ng/ml, p = 0.001) and valsartan/hydrochlorothiazide (-26 (-88 to 38), p>0.001); the between-group difference was of borderline significance (p = 0.051). The median percentage change from baseline was small (-2.1% and -4.4%). The reduction of sICAM-1 and sVCAM-1 was independent of blood pressure reduction (rs = 0.03 and rs = 0.06 for the relationship of change in systolic blood pressure with change in sICAM-1 and sVCAM-1, respectively). CONCLUSION: In contrast to hsCRP, both valsartan and valsartan/hydrochlorothiazide induced reductions of sICAM-1 and sVCAM-1 in the Val-MARC trial. These effects, although statistically significant, were small and independent of changes in blood pressure.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Stationäre innere Medizin (Schifferli)
UniBasel Contributors:Conen, David
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
ISSN:1355-6037
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Apr 2014 08:00
Deposited On:25 Apr 2014 08:00

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