V1 antagonist
V1 vasopressin receptor antagonist
- Blocks V1-mediated vasoconstriction
- Also blocks uterine V1 → tocolysis
- Separates the vascular from the antidiuretic actions of vasopressin
- Blocks vasopressin-mediated vasoconstriction
Drugs with this mechanism (1)
- Atosiban — Oxytocin/vasopressin antagonist used as a tocolytic (not US).
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