Multicenter clinical trial of leuprolide acetate depot (Luphere depot 3.75 mg) for efficacy and safety in girls with central precocious puberty

초록

Purpose: We evaluated the efficacy, safety and psychological aspect of monthly administrations of the gonadotropin-releasing hormone agonists (GnRHa), leuprolide acetate depot (Luphere depot 3.75 mg), in patients with precocious puberty. Methods: A total of 54 girls with central precocious puberty were administered with leuprolide acetate (Luphere depot 3.75 mg) every four weeks over 24 weeks. We evaluated the percentage of children exhibiting a suppressed luteinizing hormone (LH)response to GnRH (LH peak≤3 IU/L), peak LH/follicle stimulating hormone (FSH) ratio of GnRH stimulation test less than 1, change in bone age/chronologic age ratio, change in the Tanner stage and change in eating habit and psychological aspect. Results: (1) The percentage of children exhibiting a suppressed LH response to GnRH,defined as an LH peak≤3 IU/L at 24 weeks was 96.3 % (52/54). (2) The percentage of children exhibiting peak LH/FSH ratio＜1 at 24 weeks of the study was 94.4 % (51/54). (3) The ratio of bone age and chronological age significantly declined from 1.27±0.07to 1.24±0.01 after the 6 months of the study. (4) The mean Tanner stage manifested a significant change 2.3±0.48 at baseline, down to 1.70±0.61 at 24 weeks. (5) Based on the questionnaires, the score for eating habits showed a significant change from the baseline 34.0±6.8 to 31.3±6.8. (6) The psychological assessment did not exhibit a significant difference except with scores for sociability, problem behavior total score and other problems. Conclusion: The leuprolide 3.75 mg (Luphere depot) is useful and safety for treating children with central precocious puberty.

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