Conivaptan: A step forward in the treatment of hyponatremia?

Su Su Hline, Phuong Truc T. Pham, Phuong Thu T. Pham, May H. Aung, Phuong Mai T. Pham, Phuong Chi T. Pham

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations


Hyponatremia is one of the most common electrolyte abnormalities linked to adverse outcomes and increased mortality in hospitalized patients. While the differential diagnosis for hyponatremia is diverse, most cases stem from arginine vasopressin (AVP) dysregulation, where hypoosmolality fails to suppress AVP synthesis and release. The physiological effects of AVP are currently known to depend on its interaction with any of 3 receptor subtypes VIA,. V2, and V1B. Activation of V2 by AVP is the key in renal water regulation and maintenance of total body volume and plasma tonicity. Despite the long-recognized problem with excess AVP in euvolemic and hypervolemic hyponatremia, traditional therapeutic options have relied on nonspecific and potentially problematic strategies. More recently, a new class of drugs, introduced as "aquaretics," has gained great attention among clinicians because of its ability to correct hyponatremia via direct competitive inhibition of AVP at V2 receptors to induce renal electrolyte-free water excretion. In this paper, we aim to review available clinical data on the only FDA-approved aquaretic, dual V1A/V2 receptor antagonist conivaptan, discuss its clinical indications, efficacy, safety profile, and comment on its clinical limitations.

Original languageEnglish (US)
Pages (from-to)315-326
Number of pages12
JournalTherapeutics and Clinical Risk Management
Issue number2
StatePublished - May 27 2008

All Science Journal Classification (ASJC) codes

  • Safety Research
  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Pharmacology (medical)
  • Chemical Health and Safety


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