An open-label, multicenter study evaluating the long-term safety and efficacy of SR121463B in patients with Syndrome of Inappropriate Antidiuretic Hormone Secretion

to assess the long term safety and tolerability of SR121463B in patients with syndrome of inappropriate antidiuretic hormone secretion (SIADH).

Syndrome of Inappropriate Antidiuretic Hormone (SIADH) with serum sodium between 115 and 132 mmol/L