Efficacy and Safety of VA106483 in Elderly Males

A double blind, placebo-controlled, dose ranging study in males over the age of 65, who have a history of nocturia. The study will investigate pharmacodynamic outcomes (urine volumes and osmolality, circulating coagulation factors and haemodynamics) and pharmacokinetics, of both single and multiple oral doses of VA106483 at three dose levels, under conditions of controlled hydration.