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Conivaptan: Evidence supporting its therapeutic use in hyponatremia

Authors Li-Ng M, Verbalis JG

Published 25 June 2009 Volume 2009:4 Pages 83—92

DOI https://doi.org/10.2147/CE.S5997


Melissa Li-Ng, Joseph G Verbalis

Division of Endocrinology and Metabolism, Georgetown University Medical Center, Washington, DC, USA

Introduction: The available treatment options for euvolemic and hypervolemic hyponatremia are limited, and consist mainly of fluid restriction, diuresis, or hypertonic solutions. Most of these therapies are neither well tolerated nor totally effective, and many are associated with significant adverse effects. Vasopressin receptor antagonists, also known as vaptans, are a new class of agents that now offer an additional treatment option for hyponatremic patients. Conivaptan hydrochloride, a competitive antagonist of vasopressin V1a and V2 receptors, is the first agent in this class to be approved for treatment of euvolemic and hypervolemic hyponatremia in hospitalized patients.

Aims: This review critically assesses the evidence that support the use of conivaptan for the treatment of patients with euvolemic and hypervolemic hyponatremia.

Evidence review conclusion: Conivaptan is effective in raising serum sodium levels in a predictable and safe fashion in euvolemic and hypervolemic hyponatremic patients. Conivaptan provides the first molecularly targeted approach for correcting hyponatremia in hospitalized patients.

Keywords: Conivaptan hydrochloride, arginine vasopressin (AVP), hyponatremia, arginine vasopressin (AVP) receptor antagonist

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