Farmakodynamiske egenskaber Spironolacton og dets aktive metabolitter (inklusiv 7α- thiomethyl- spironolactone og canrenon) fungerer som en specifik antagonist i forhold til aldosteron, og udøver deres effekt ved kompetitiv binding til mineralokortikoid - receptor, lokaliseret i nyrer, hjerte og blodkar.
Pharmacodynamic properties Spironolactone and its active metabolites (including 7α -thiomethyl-spironolactone and canrenone) act as specific antagonists of aldosterone, and exert their effects by binding competitively to the mineralocorticoid receptor located in the kidneys, heart and blood vessels.