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Int J Pediatr Endocrinol. 2015;2015(1):18. doi: 10.1186/s13633-015-0013-3. Epub 2015 Aug 26.

Effect of oxandrolone therapy on adult height in Turner syndrome patients treated with growth hormone: a meta-analysis.

Author information

1
Division of Endocrinology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave MLC 7012, Cincinnati, OH 45229 USA.
2
Division of Endocrinology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave MLC 7012, Cincinnati, OH 45229 USA ; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH USA.

Abstract

Turner syndrome is a chromosomal abnormality in which there is complete or partial absence of the X chromosome. Turner syndrome effects 1 in every 2000 live births. Short stature is a cardinal feature of Turner Syndrome and the standard treatment is recombinant human growth hormone. When growth hormone is started at an early age a normal adult height can be achieved. With delayed diagnosis young women with Turner Syndrome may not reach a normal height. Adjuvant therapy with oxandrolone is used but there is no consensus on the optimal timing of treatment, the duration of treatment and the long term adverse effects of treatment. The objective of this review and meta-analysis is to examine the effect of oxandrolone on adult height in growth hormone treated Turner syndrome patients. Eligible trials were identified by a literature search using the terms: Turner syndrome, oxandrolone. The search was limited to English language randomized-controlled trials after 1980. Twenty-six articles were reviewed and four were included in the meta-analysis. A random effects model was used to calculate an effect size and confidence interval. The pooled effect size of 2.0759 (95 % CI 0.0988 to 4.0529) indicates that oxandrolone has a positive effect on adult height in Turner syndrome when combined with growth hormone therapy. In conclusion, the addition of oxandrolone to growth hormone therapy for treatment of short stature in Turner syndrome improves adult height. Further studies are warranted to investigate if there is a subset of Turner syndrome patients that would benefit most from growth hormone plus oxandrolone therapy, and to determine the optimal timing and duration of such therapy.

KEYWORDS:

Growth hormone; Height; Oxandrolone; Turner syndrome

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