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  • Title: The long-term effect of cyproterone acetate on growth in girls with idiopathic precocious puberty. Androcur Study Group in Japan.
    Author: Kato K, Fujimoto M, Hibi I, Suwa S, Shimizu N.
    Journal: Eur J Pediatr; 1993 Apr; 152(4):297-300. PubMed ID: 8482275.
    Abstract:
    To define the effect of cyproterone acetate (CPA) on statural growth, 25 girls with idiopathic precocious puberty who had been treated with CPA were studied retrospectively. The final height SDS was -1.12 +/- 1.16 (mean +/- SD). The daily CPA dose was negatively related to the final height SDS. We divided our subjects into two groups according to the daily CPA dose [low dose, 84.9 +/- 15.4 mg/m2 (n = 19) vs high dose, 135.8 +/- 17.1 mg/m2 (n = 6)]. In the low dose group, the difference of the final height SDS minus height SDS for bone age at the initiation of CPA treatment was 0.55 +/- 1.16 and final height SDS was -0.82 +/- 1.05. The final height was not significantly different from the target height in the low dose group subjects whose target heights were obtained. Since the increment of height age to the increment of bone age during the treatment was significantly less in the group needing and treated with high dose CPA, high doses of CPA may reduce growth velocity more than its suppressive effect on bone maturation. These results suggest that CPA has an effect on statural growth in girls whose clinical symptoms can be controlled with a low dose of CPA, although they have not been compared with final height in untreated Japanese girls.
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