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Otsuka Holdings Co., Ltd.

Drug Names(s): OPC-41061, Samska, Jinarc

Description: Tolvaptan is an orally active, small molecule antagonist that blocks arginine vasopressin from binding to V2 receptors of the distal nephron. This induces the excretion of electrolyte-free water without changing the total level of electrolyte excretion.

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