de G Buff Passone C, Kuperman H, Cabral de Menezes-Filho H, Spassapan Oliveira Esteves L, Lana Obata Giroto R, Damiani D. Tamoxifen Improves Final Height Prediction in Girls with McCune-Albright Syndrome: A Long Follow-Up.
Horm Res Paediatr 2016;
84:184-9. [PMID:
26227563 DOI:
10.1159/000435881]
[Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 06/11/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND
McCune-Albright syndrome (MAS) is a genetic disorder characterized by the triad of fibrous dysplasia, skin hyperpigmentation, and autonomous hyperfunction of various endocrine organs. MAS frequently presents in females as precocious puberty (PP). Although many treatments have been proposed, the preservation of final height (FH) in these patients remains a challenge.
OBJECTIVES
To evaluate the efficacy of tamoxifen in improving the FH prediction (FHP) in patients with MAS.
METHOD
We retrospectively analyzed 8 female patients with MAS who presented with café-au-lait spots and gonadotropin-independent PP. The patients were followed for a mean period of 8.3 years (range: 3-16).
RESULTS
All patients were treated with tamoxifen (10-20 mg/day) for 3-8 years (mean ± SD: 5.75 ± 2.05), which resulted in the cessation of vaginal bleeding and the stabilization of bone age maturation. There was a significant difference between the FHP at the beginning of treatment and at the end of treatment (145.1 ± 8.6 cm; Z score -2.84 ± 1.44 cm) and at the last evaluation (157.0 ± 9.2 cm; Z score -0.85 ± 0.54 cm; p < 0.001).
CONCLUSION
Our results support a role for tamoxifen in improving the FHP in patients with MAS.
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