Overview Systemic Hormones and Muscle Protein Synthesis Status: Unknown status Trial end date: 2019-02-15 Target enrollment: Participant gender: Summary This study evaluates the effect of increase in testosterone levels in older males and the effects of decrease in testosterone levels in young males on muscle protein synthesis. Phase: Phase 3 Details Lead Sponsor: University of NottinghamTreatments: GoserelinHormonesMethyltestosteroneTestosteroneTestosterone 17 beta-cypionateTestosterone enanthateTestosterone undecanoate