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The impact of statins on aldosterone production in healthy adults: a randomized controlled study

Yan Emily Yuan1, Lindsey M Porter1, Andrea V Haas1

  • 1Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Brigham and Women's Hospital of Mass General Brigham, Harvard Medical School, Boston, MA 02115, USA.

Journal of the Endocrine Society
|July 6, 2026
PubMed

Insights

This study found that neither simvastatin nor pravastatin significantly altered aldosterone levels in healthy adults. Statin therapy did not impact aldosterone responsiveness to angiotensin II after 12 weeks.

Area of Science:

  • Cardiovascular Medicine
  • Endocrinology
  • Pharmacology

Background:

  • Statins are known to lower cholesterol, but may offer additional cardiovascular benefits.
  • Previous research indicated statins, particularly lipophilic ones like simvastatin, may reduce aldosterone (ALDO) levels.
  • Rodent studies supported statins' effect on lowering ALDO, with lipophilic statins showing a greater impact.

Purpose of the Study:

  • To test the hypothesis that simvastatin treatment results in lower aldosterone levels compared to pravastatin or placebo.
  • To investigate the comparative effects of lipophilic (simvastatin) and hydrophilic (pravastatin) statins on aldosterone in humans.

Main Methods:

  • A 12-week, double-blind, randomized, placebo-controlled trial involving healthy adults with elevated LDL-C.
  • Participants were assigned to placebo, simvastatin (20mg), or pravastatin (40mg) with dose adjustments possible.
  • Aldosterone levels were assessed at baseline, week 6, and week 12 following a controlled low-sodium diet.

Main Results:

  • No significant difference in 12-week posttreatment angiotensin II-stimulated aldosterone was observed between placebo and simvastatin groups (P=.56).
  • No significant difference was found between simvastatin and pravastatin groups regarding aldosterone levels (P=.90).

Conclusions:

  • In healthy individuals on a low-sodium diet, 12-week simvastatin or pravastatin treatment did not alter aldosterone responsiveness to angiotensin II.
  • The hypothesis that simvastatin would lower aldosterone more than pravastatin or placebo was not supported by this trial.
Abstract

Keywords:
aldosteronecardiovascular healthhyperlipidemiapravastatinsimvastatinstatins

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