Weight evolution in girls treated for idiopathic central precocious puberty with GnRH analogues

A L Aguiar, A C Couto-Silva, E J Vicente, I C Freitas, T Cruz, L Adan
Journal of Pediatric Endocrinology & Metabolism: JPEM 2006, 19 (11): 1327-34

UNLABELLED: Data concerning the effects of GnRHa on weight gain are scarce.

OBJECTIVE: To assess the variation of the body mass index (BMI) in girls during GnRHa treatment for idiopathic central precocious puberty (CPP).

PATIENTS AND METHODS: Semestral anthropometric data from 176 girls treated with goserelin or leuprorelin were analyzed.

RESULTS: BMI z-score increased from 1.5 +/- 0.1 SD before treatment (n = 176) to 1.7 +/- 0.2 SD after 24 months (n = 61, p = 0.008). In girls with normal weight before treatment, this variation was greater (n = 112, 0.2 +/- 0.1 SD, p = 0.01) than in those who were overweight (n = 63, -0.9 +/- 0.2 SD, p = 0.7). In the goserelin group the weight change adjusted for bone age was greater (n = 28, 0.4 +/- 0.1 SD) than in the leuprorelin group (n = 5, 0.04 +/- 0.1 SD, p = 0.05).

CONCLUSIONS: A slight increase in BMI was noted, mainly in girls with normal weight before treatment. The influence of different GnRHa on weight must be further investigated.

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