Leuprolide Completed Phase 3 Trials for Luteinizing Hormone (LH) / Central Precocious Puberty (CPP) / Gonadotrophin-releasing Hormone Agonist (GnRHa) / Suppression of LH / Tanner Staging / Gonadotrophin-releasing Hormone (GnRH) / Depot Formulation / Leuprolide Acetate / Lupron / GnRH Analog / Pediatrics Central Precocious Puberty / Precocious Treatment