Plasma matrix metalloproteinase-9 and ACE-inhibitor-induced improvement of urinary albumin excretion in non-diabetic, microalbuminuric subjects

Ruud M A van de Wal, Pim van der Harst, Wim B M Gerritsen, Fal van der Horst, Thijs H W Plokker, Ron T Gansevoort, Wiek H van Gilst, Adriaan A Voors

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

INTRODUCTION: Elevated plasma matrix metalloproteinase-9 (MMP-9) levels have been suggested to precede the development of microalbuminuria. As angiotensin-converting enzyme (ACE) inhibitors effectively reduce urinary albumin excretion (UAE), in the present study we have investigated the potential association of plasma MMP-9 levels with UAE and treatment effects of ACE-inhibition.

MATERIAL AND METHODS: In a placebo-controlled randomised trial we determined plasma MMP-9 levels at baseline and after three months of randomisation to either placebo (n=202) or fosinopril (20 mg/day, n=204) treatment.

RESULTS: Baseline plasma MMP-9 levels were not related to baseline UAE (r=-0.008, p=0.871). Three months of fosinopril treatment effectively reduced UAE compared to placebo treatment (-10.4+/-2.4 vs. 1.8+/-1.3 mg/24 hours, p<0.001, respectively). However, fosinopril treatment failed to significantly change plasma MMP-9 levels compared to placebo (-0.47+/-7.68 vs. 0.06+/-9.20, p=0.646, respectively). In addition, the change in UAE was not related with change in MMP-9 levels.

CONCLUSION: The effective reduction of UAE with fosinopril was not related to plasma MMP-9 levels.

Original languageEnglish
Pages (from-to)177-80
Number of pages4
JournalJournal of the renin-angiotensin-aldosterone system
Volume8
Issue number4
DOIs
Publication statusPublished - Dec 2007
Externally publishedYes

Keywords

  • Albuminuria/blood
  • Angiotensin-Converting Enzyme Inhibitors/therapeutic use
  • Diabetes Mellitus/blood
  • Female
  • Fosinopril/therapeutic use
  • Humans
  • Male
  • Matrix Metalloproteinase 9/blood
  • Middle Aged
  • Placebos

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