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Comparison of Body Surface Area versus Weight-Based Growth Hormone Dosing for Girls with Turner Syndrome
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2014 (English)In: Hormone Research in Paediatrics, ISSN 1663-2818, Vol. 81, no 5, 319-330 p.Article in journal (Refereed) Published
Abstract [en]

Background/Aims: Growth Hormone (GH) dosage in childhood is adjusted for body size, but there is no consensus whether body weight (BW) or body surface area (BSA) should be used. We aimed at comparing the biological effect and cost-effectiveness of GH treatment dosed per m(2) BSA in comparison with dosing per kg BW in girls with Turner syndrome (TS). Methods: Serum IGF-I, GH dose, and adult height gain (AHG) from girls participating in two Dutch and five Swedish studies on the efficacy of GH were analyzed, and the cumulative GH dose and costs were calculated for both dose adjustment methods. Additional medication included estrogens (if no spontaneous puberty occurred) and oxandrolone in some studies. Results: At each GH dose, the serum IGF-I standard deviation score remained stable over time after an initial increase after the start of treatment. On a high dose (at 1 m(2) equivalent to 0.056-0.067 mg/kg/day), AHG was at least equal on GH dosed per m(2) BSA compared with dosing per kg BW. The cumulative dose and cost were significantly lower if the GH dose was adjusted for m(2) BSA. Conclusion: Dosing GH per m(2) BSA is at least as efficacious as dosing per kg BW, and is more cost-effective. (C) 2014 S. Karger AG, Basel

Place, publisher, year, edition, pages
2014. Vol. 81, no 5, 319-330 p.
Keyword [en]
Turner syndrome, Growth hormone therapy, Body surface area, Body weight, Cost-effectiveness, Adult height
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URN: urn:nbn:se:umu:diva-91231DOI: 10.1159/000357844ISI: 000337797800005OAI: diva2:734774
Available from: 2014-07-21 Created: 2014-07-21 Last updated: 2014-07-21Bibliographically approved

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