“…Monthly formulations of the GnRH analog triptorelin have been largely used in children with CPP, and their efficacy in improving adult height (AH) has been demonstrated in long-term follow-up studies [2,3,4,5]. Quarterly formulations of GnRH analogs have been developed [2], and short-term trials showed their efficacy in suppressing the hypothalamic-pituitary-gonadal (HPG) axis in children with CPP [7,8,9,10,11,12,13,14,15,16,17], but long-term follow-up until AH is rarely reported [7].…”