Growth hormone receptor polymorphism and growth hormone therapy response in children: a bayesian meta-analysis

Renehan, Andrew G; Solomon, Mattea; Zwahlen, Marcel; Morjaria, Reena; Whatmore, Andrew; Audí, Laura; Binder, Gerhard; Blum, Werner; Bougnères, Pierre; Santos, Christine Dos; Carrascosa, Antonio; Hokken-Koelega, Anita; Jorge, Alexander; Mullis, Primus E; Tauber, Maïthé; Patel, Leena; Clayton, Peter E (2012). Growth hormone receptor polymorphism and growth hormone therapy response in children: a bayesian meta-analysis. American journal of epidemiology, 175(9), pp. 867-877. Cary, N.C.: Oxford University Press 10.1093/aje/kwr408

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Recombinant human growth hormone (rhGH) therapy is used in the long-term treatment of children with growth disorders, but there is considerable treatment response variability. The exon 3-deleted growth hormone receptor polymorphism (GHR(d3)) may account for some of this variability. The authors performed a systematic review (to April 2011), including investigator-only data, to quantify the effects of the GHR(fl-d3) and GHR(d3-d3) genotypes on rhGH therapy response and used a recently established Bayesian inheritance model-free approach to meta-analyze the data. The primary outcome was the 1-year change-in-height standard-deviation score for the 2 genotypes. Eighteen data sets from 12 studies (1,527 children) were included. After several prior assumptions were tested, the most appropriate inheritance model was codominant (posterior probability = 0.93). Compared with noncarriers, carriers had median differences in 1-year change-in-height standard-deviation score of 0.09 (95% credible interval (CrI): 0.01, 0.17) for GHR(fl-d3) and of 0.14 (95% CrI: 0.02, 0.26) for GHR(d3-d3). However, the between-study standard deviation of 0.18 (95% CrI: 0.10, 0.33) was considerable. The authors tested by meta-regression for potential modifiers and found no substantial influence. They conclude that 1) the GHR(d3) polymorphism inheritance is codominant, contrasting with previous reports; 2) GHR(d3) genotypes account for modest increases in rhGH effects in children; and 3) considerable unexplained variability in responsiveness remains.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)
04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine

UniBE Contributor:

Zwahlen, Marcel, Mullis, Primus-Eugen

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0002-9262

Publisher:

Oxford University Press

Language:

English

Submitter:

Anette van Dorland

Date Deposited:

04 Oct 2013 14:22

Last Modified:

05 Dec 2022 14:06

Publisher DOI:

10.1093/aje/kwr408

PubMed ID:

22494952

Web of Science ID:

000270489900718

BORIS DOI:

10.7892/boris.7561

URI:

https://boris.unibe.ch/id/eprint/7561 (FactScience: 212851)

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