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  • Title: Effect of GnRHa 3.75 mg subcutaneously every 6 weeks on adult height in girls with idiopathic central precocious puberty.
    Author: Liang Y, Wei H, Li J, Hou L, Zhang J, Wu W, Ying Y, Luo X.
    Journal: J Pediatr Endocrinol Metab; 2015 Jul; 28(7-8):839-46. PubMed ID: 25719299.
    Abstract:
    OBJECTIVE: To evaluate the long-term efficacy of triptorelin 3.75 mg subcutaneously every 6 weeks on the final height in girls with idiopathic central precocious puberty (ICPP). METHODS: Forty females with ICPP received triptorelin 3.75 mg every 6 weeks subcutaneously in our hospital from 2002 to December 2010 and reached their final heights were enrolled. These patients were treated with triptorelin alone (group A, n=17) or triptorelin+recombinant human growth hormone (rhGH) (group B, n=23). Height, weight, annual growth velocity (GV), sexual development, predicted adult height (PAH), and adverse effects were observed. Bone age (BA) and height standard deviation score (SDS) were monitored yearly. RESULTS: Final adult heights (FAHs) were 159.81±1.20 cm and 161.01±1.02 cm in group A vs. group B, which exceeded target height (THt) by 1.51±1.04 cm, 4.86±0.94 cm, respectively. The values of (FAH-THt), (FAH-PAH posttreatment) showed significant difference between the two groups (p<0.05). FAH was positively correlated with Ht SDS-BA at the end of treatment, THt, course of rhGH treatment, and age of menarche (r2=0.66). Body mass index (BMI) increased after treatment in group B. However, there was no significant tendency of increase compared with healthy children at the same age. Ages of menarche and time to menarche from discontinuation were 11.74±0.16 vs. 12.18±0.15 years and 17.41±1.69 vs. 14.71±1.04 months in two groups. CONCLUSION: The FAH was improved effectively by triptorelin 3.75 mg subcutaneously every 6 weeks, and more height gain could be achieved when rhGH was used concomitantly. BMI maintained steadily and ovarian function restored quickly after treatment discontinuation with the age of menarche similar to that of normal children. Neither significant side effect nor polycystic ovary syndrome was observed.
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