This is a 6 months, active treatment, extension study, open to subjects who have completed full 24 weeks in Study MBGS205 (A Phase IIb multicentre, double-blind, dose-ranging, randomised, placebo-controlled study evaluating safety and efficacy of BGS649 in male obese subjects with hypogonadotropic hypogonadism \[HH\]).The main purpose of Study MBGS206 is to evaluate long term safety and efficacy parameters in subjects after 12 months exposure with BGS649.
