Desmopressin (DDAVP)
Overview
A synthetic analog of vasopressin with enhanced V2 receptor selectivity and minimal V1a vasopressor activity. Desmopressin has a deaminated cysteine at position 1 and D-arginine at position 8, increasing its antidiuretic potency 10-fold while largely eliminating the hypertensive effects of native vasopressin.
Mechanism of Action
Its prolonged half-life of 2-4 hours (vs. 10-20 minutes for vasopressin) allows convenient dosing for chronic conditions.
Research Summary & Key Findings
FDA-approved for central diabetes insipidus, primary nocturnal enuresis, hemophilia A, and von Willebrand disease (type 1). Releases stored von Willebrand factor and factor VIII from endothelial Weibel-Palade bodies. DDAVP challenge test used to assess coagulation factor response pre-procedurally. Risk of hyponatremia with fluid overloading requires careful monitoring, especially in elderly patients.
Clinical Status
Desmopressin (DDAVP) has received FDA approval and is available for clinical use under appropriate medical supervision. Consult a qualified healthcare provider for prescribing information.
Administration Routes
References
Primary literature
- PubMed — "Desmopressin"
Peer-reviewed literature indexed by the National Library of Medicine.
- ClinicalTrials.gov — "Desmopressin"
Registered interventional and observational studies, including status and phase.
- PubChem — "Desmopressin"
Chemical structure, molecular properties, and bioactivity data.
Study-level citations for this compound are being verified against the primary sources before publication. The database queries above return the current indexed literature in the meantime.
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