Dataset Information

Long-term effectiveness of growth hormone therapy in children born small for gestational age: An analysis of LG growth study data.

ABSTRACT:

Purpose

Growth hormone (GH) treatment has been used to improve growth in short children who were born small for gestational age (SGA). The aim of this study was to investigate the long-term efficacy of GH treatment in these children.

Methods

Data from a multicenter observational clinical trial (ClinicalTrials.gov NCT01604395, LG growth study) were analyzed for growth outcome and prediction model in response to GH treatment. One hundred fifty-two children born SGA were included.

Results

The mean age of patients born SGA was 7.13 ± 2.59 years. Height standard deviation score (SDS) in patients born SGA increased from -2.55 ± 0.49 before starting treatment to -1.13 ± 0.76 after 3 years of GH treatment. Of the 152 patients with SGA, 48 who remained prepubertal during treatment used model development. The equation describing the predicted height velocity during 1st year of GH treatment is as follows: the predictive height velocity (cm) = 10.95 + [1.12 x Height SDS at initial treatment (score)] + [0.03 x GH dose (ug/kg/day)] + [0.30 x TH SDS at initial treatment (score)] + [0.05 x age (year)] + [0.15 x Weight SDS at initial treatment (score)] ± 1.51 cm.

Conclusions

GH treatment improved growth outcome in short children born SGA. We also developed a prediction model that is potentially useful in determining the optimal growth outcome for each child born SGA.

Trial registration

ClinicalTrials.gov Identifier: NCT01604395.

SUBMITTER: Lee HS

PROVIDER: S-EPMC9041836 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Long-term effectiveness of growth hormone therapy in children born small for gestational age: An analysis of LG growth study data.

Lee Hae Sang HS Kum Change Dae CD Rho Jung Gi JG Hwang Jin Soon JS

PloS one 20220426 4

<h4>Purpose</h4>Growth hormone (GH) treatment has been used to improve growth in short children who were born small for gestational age (SGA). The aim of this study was to investigate the long-term efficacy of GH treatment in these children.<h4>Methods</h4>Data from a multicenter observational clinical trial (ClinicalTrials.gov NCT01604395, LG growth study) were analyzed for growth outcome and prediction model in response to GH treatment. One hundred fifty-two children born SGA were included.<h4 ...[more]

PMID: 35472208

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Project description:IntroductionThis ongoing, prospective, open-label, non-comparative, multicenter phase IV study is evaluating the safety and efficacy of recombinant human growth hormone (rhGH; Omnitrope(®), Sandoz GmbH) in short children born small for gestational age (SGA). Here we report data from patients who have completed 2 years' treatment.MethodsEligibility criteria included prepubertal children born SGA with growth disturbances defined as current height standard deviation score (HSDS) <-2.5 and parental adjusted SDS <-1; birth weight and/or length <-2 SDS; and failure of catch-up growth [height velocity (HV) SDS <0 during the last year] by 4 years of age or later. The primary study objective is to assess the long-term effect of Omnitrope treatment on the development of diabetes in short children born SGA. Secondary objectives include evaluation of efficacy, incidence and severity of adverse events (AEs), occurrence of malignancies during treatment, and detection of anti-rhGH antibodies during treatment.ResultsIn total, 278 children have been enrolled and received study medication; 249 have completed 2 years of treatment. No child has developed diabetes mellitus during the first 2 years; no fasting glucose or 2-h oral glucose tolerance test value exceeded the pre-defined limits of >126 or >200 mg/dL, respectively. No adverse alterations in body mass were noted. Treatment-emergent AEs were experienced by 211 (76.2%) children; most of these were of mild-to-moderate intensity (99.3%) and considered unrelated to study medication (97.6%). Treatment with Omnitrope was effective; mean HSDS was -3.39 at baseline, -2.57 at 1 year and -2.15 at 2 years of treatment. Mean HVSDS (peak-centered) also improved, from -2.13 at baseline to +4.16 at 1 year and +2.23 at 2 years.ConclusionIn this second interim analysis, short children born SGA were safely and effectively treated with rhGH (Omnitrope), and 2 years' treatment had no major adverse impact on carbohydrate metabolism or body mass.FundingSandoz.

Project description:BackgroundThis prospective, open-label, non-comparative, multicentre, long-term phase IV study is examining the efficacy and safety of somatropin [recombinant human growth hormone (rhGH)] in short children born small for gestational age (SGA) and its impact on the incidence of diabetes. This report is the first interim analysis of patients who have completed 1 year of treatment.MethodsA total of 278 pre-pubertal patients were enrolled. Key eligibility criteria included height standard deviation score (HSDS) <-2.5; parental adjusted SDS <-1; birth weight and/or length <-2 SD and failure to show catch-up growth by ≥4 years of age. Patients were treated with rhGH 0.035 mg/kg/day. The primary objective was to evaluate the long-term effect of rhGH on carbohydrate metabolism [including fasting glucose, stimulated glucose (2-h oral glucose tolerance test, OGTT) and glycated haemoglobin (HbA1c)]. Secondary objectives included evaluation of height parameters [body height, HSDS, height velocity (HV), HVSDS]; insulin-like growth factor 1 (IGF-I) and insulin-like growth factor-binding protein 3 (IGFBP-3) serum levels during treatment; and incidence and severity of adverse events (AEs).ResultsNone of the children developed diabetes mellitus within the first year of treatment. Mean levels of fasting glucose, HbA1c and 2-h OGTT values remained stable during the study period. Treatment with rhGH was effective, as documented by all height parameters. Mean HSDS improved from -3.39 at baseline to -2.57 at Year 1. Mean HV increased markedly from 4.25 cm/year at baseline to 8.99 cm/year during the first year. Similarly, mean peak-centred HVSDS increased from -2.13 at baseline to +4.16 at Year 1. Mean IGF-I SDS and IGFBP-3 SDS also increased within the first year (by +1.80 and +0.41, respectively). 13 patients (4.7%) did not respond adequately to treatment (HVSDS <1); they were withdrawn from the study. In total, 192 children (69.3%) experienced treatment-emergent AEs; most (98.7%) were mild-to-moderate, and the majority (96.5%) were unrelated to study treatment.ConclusionThis interim analysis shows that short children born SGA can be effectively and safely treated with rhGH and that rhGH treatment has no major impact on carbohydrate metabolism after the first year of treatment.

Project description:BackgroundLong-term growth hormone (GH) treatments in short children born small for gestational age (SGA) restore lipid metabolism, but also increase insulin resistance. The aim of this study was to evaluate the influence of long-term GH therapy on lipid and glucose metabolism as well as its dose dependency in short Japanese children born SGA.MethodsEighty Japanese children with a short stature who were born SGA participated in this study; 65 were treated with fixed GH doses of 0.033 (low) or 0.067 (high) mg/kg/day for 260 weeks; 15 were untreated controls in the first year and were randomized to one of the two treatment groups at week 52. Serum cholesterol, glucose and insulin levels were regularly measured. An oral glucose tolerance test (OGTT) was conducted annually.ResultsThe mean age at the start of GH therapy was approximately 5.3 years. Serum total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) in the high dose group significantly decreased over time during GH therapy. In both dose groups for TC, and in the high dose group for LDL-C, the higher the baseline values, the greater the decrease after 260 weeks. The rate of the decrease observed after 260 weeks in patients with high LDL-C levels was greater in the high dose group. Based on the results of OGTT, no patient was classified as being diabetic; however, annual increases were observed in post-OGTT insulin levels. After 260 weeks, the homeostasis model assessment as an index of insulin resistance (HOMA-IR) increased, suggesting that insulin resistance developed over time with the GH treatment, while 36.6 % of the subjects entered puberty.ConclusionsLong-term continuous GH treatment for children born SGA may have a potentially beneficial effect on several parameters in lipid metabolism and does not adversely affect glucose metabolism.Trial registrationGHLIQUID-1516, GHLIQUID-1517, Japan Pharmaceutical Information Center Clinical trial registration: JapicCTI-050132. Registered 13 September 2005. Retrospectively registered. JapicCTI-050137. Registered 13 September 2005. Retrospectively registered. ClinicalTrials.gov trial registration: NCT00184717. Registered 13 September 2005. Retrospectively registered.

Dataset Information

Long-term effectiveness of growth hormone therapy in children born small for gestational age: An analysis of LG growth study data.

Purpose

Methods

Results

Conclusions

Trial registration

Publications

Long-term effectiveness of growth hormone therapy in children born small for gestational age: An analysis of LG growth study data.

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