Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Multicenter, Randomized, Placebo-Controlled, Double-Blind Trial to Evaluate the Effects of Vasopressin V2 Receptor Antagonist on Clinical Improvement in Patients With Se
Brief Summary: This is a randomized, double-blind, placebo-controlled, parallel-group forced up-titration study. Randomization will be stratified according to the patient's baseline serum sodium concentration (137-144 and <137 mmol/L). The dose of study drug will be increased to the next level on Day 15, and the total duration of the double-blind treatment period is 120 days.