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European Heart Journal Advance Access originally published online on February 4, 2005
European Heart Journal 2005 26(6):538-543; doi:10.1093/eurheartj/ehi145
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© The European Society of Cardiology 2005. All rights reserved. For Permissions, please e-mail: journals.permissions{at}oupjournals.org

Vasopressin antagonism: a future treatment option in heart failure

Pramod Sanghi, Barry F. Uretsky and Ernst R. Schwarz*

Divison of Cardiology, Department of Internal Medicine, The University of Texas Medical Branch, School of Medicine, 5.106 John Sealy Annex, 301 University Blvd, Galveston, TX 77555-0553, USA

Received 11 June 2004; revised 23 November 2004; accepted 16 December 2004; online publish-ahead-of-print 4 February 2005.

* Corresponding author. Tel: +1 409 772 9835; fax: +1 409 772 4982. E-mail address: erschwar{at}utmb.edu

Arginine vasopressin plays an important role in volume homeostasis. Patients with heart failure have chronically elevated plasma vasopressin concentrations which may contribute to their clinical syndrome of fluid retention. Recently, a number of agents have been developed to antagonize the effects of vasopressin by targeting its V1a and V2 receptors, which are involved in vascular tone and free water regulation, respectively. Two vasopressin antagonists, in particular, tolvaptan and conivaptan, have shown promise in animal studies and small-scale human trials. The following is a review of current experimental and clinical studies using vasopressin antagonists and their potential role in the treatment of heart failure.

Key Words: Vasopressin • Antidiuretic hormone • Heart failure


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