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DOI: 10.1055/s-2001-18567
Vasopeptidase-Inhibition: ein neues pharmakologisches Prinzip zur Behandlung von Hypertonie und Herzinsuffizienz
Vasopeptidase inhibition, a new pharmacological principle in the treatment of hypertension and heart failurePublication History
Publication Date:
22 November 2001 (online)

Die Behandlung der arteriellen Hypertonie ist weltweit weiterhin unzureichend etabliert. Nur 6-27 % der behandelten Hypertoniker sind auf Werte unter 140/90 mmHg eingestellt. Obwohl zahlreiche, gut wirksame medikamentöse Therapieprinzipien verfügbar sind, ist die weitere Entwicklung neuer gut verträglicher blutdrucksenkender Pharmaka möglichst mit zusätzlichen organprotektiven Effekten notwendig, um bessere Behandlungserfolge zu erzielen. Die Regulation des Blutdrucks erfolgt multifaktoriell, und entsprechend vielfältig sind pharmakologische Interventionsmöglichkeiten. Eine wesentliche Bedeutung bei der Blutdruckregulation kommt dem Renin-Angiotensin-Aldosteron-System (RAAS) zu, das über lokale und systemische Wirkungen den Blutdruck beeinflusst. Die zugrundeliegenden Mechanismen sind gut untersucht und weitgehend bekannt. Neben dem Renin-Angiotensin-Aldosteron-System ist nach neueren Untersuchungen insbesondere die Bedeutung des Natriuretischen Peptid-Systems (NPS) für die Kreislaufregulation herausgearbeitet worden. Die natriuretischen Peptide (NP) modulieren die Blutdruckregulation über renale, zentrale und lokal vaskuläre Mechanismen. Im Gegensatz zu der gut etablierten Hemmung des Renin-Angiotensin-Aldosteron-Systems konnte das Natriuretische Peptid-System durch pharmakologische Intervention bislang nicht zufriedenstellend beeinflusst werden. Omapatrilat ist der erste Vertreter einer neuen Klasse von Antihypertensiva, mit der in beiden Systemen wirksam interveniert werden kann. Omapatrilat hemmt einerseits das Angiotensin-Converting Enzym (ACE) wie ein ACE-Hemmer, und gleichzeitig den Abbau der natriuretischen Peptide durch eine Hemmung der Neutralen Endopeptidase.
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Korrespondenz
Prof. Dr. med. Rainer Kolloch
Krankenanstalten Gilead, Medizinische Klinik
Burgsteig 13
33617 Bielefeld
Phone: 0521/1442305
Email: kolloch@gilead.de