scholarly journals IGF-1 and Growth Response to Adult Height in a Randomized GH Treatment Trial in Short Non-GH-Deficient Children

2014 ◽  
Vol 99 (8) ◽  
pp. 2917-2924 ◽  
Author(s):  
Berit Kriström ◽  
Elena Lundberg ◽  
Björn Jonsson ◽  
Kerstin Albertsson-Wikland ◽  

Context: GH treatment significantly increased adult height (AH) in a dose-dependent manner in short non-GH-deficient children in a randomized, controlled, clinical trial; the mean gain in height SD score (heightSDS) was 1.3 (range 0–3), compared with 0.2 in the untreated group. Objective: The objective of the study was to analyze the relationship between IGF-1SDS, IGF binding protein-3 SDS (IGFBP3SDS), and their ratioSDS with a gain in the heightSDS until AH in non-GH-deficient short children. Design and Setting: This was a randomized, controlled, multicenter clinical trial. Intervention: The intervention included GH treatment: 33 or 67 μg/kg · d plus untreated controls. Subjects: One hundred fifty-one non-GH-deficient short children were included in the intent-to-treat (ITT) population and 108 in the per-protocol (PP) population; 112 children in the ITT and 68 children in the PP populations had idiopathic short stature (ISS). Main Outcome Measures: Increments from baseline to on-treatment study mean IGF-1SDS (ΔIGF-1SDS), IGFBP3SDS, and IGF-1 to IGFBP3 ratioSDS were assessed in relationship to the gain in heightSDS. Results: Sixty-two percent of the variance in the gain in heightSDS in children on GH treatment could be explained by four variables: ΔIGF-1SDS (explaining 28%), bone age delay, birth length (the taller the better), and GH dose (the higher the better). The lower IGF-1SDS was at baseline, the higher was its increment during treatment. For both the AllPP- and the ISSPP-treated groups, the attained IGF-1SDS study level did not correlate with height gain. Conclusion: In short non-GH-deficient children, the GH dose-related increment in IGF-1SDS from baseline to mean study level was the most important explanatory variable for long-term growth response from the peripubertal period until AH, when IGF-1SDS, IGFBP3SDS, and their ratioSDS were compared concurrently.

Author(s):  
Lucia Schena ◽  
Cristina Meazza ◽  
Sara Pagani ◽  
Valeria Paganelli ◽  
Elena Bozzola ◽  
...  

AbstractBackground:In recent years, several studies have been published showing different responses to growth hormone (GH) treatment in idiopathic short stature children. The aim of the present study was to investigate whether non-growth-hormone-deficient (non-GHD) short children could benefit from long-term GH treatment as GHD patients.Methods:We enrolled 22 prepubertal children and 22 age- and sex-matched GHD patients, with comparable height, body mass index (BMI), bone age, and insulin-like growth factor 1 (IGF-I) circulating levels. The patients were treated with recombinant human GH (rhGH) and followed until they reach adult height.Results:During GH treatment, the two groups grew in parallel, reaching the same final height-standard deviation score (SDS) and the same height gain. On the contrary, we found significantly lower IGF-I serum concentrations in non-GHD patients than in GHD ones, at the end of therapy (p=0.0055).Conclusions:In our study, the response to GH treatment in short non-GHD patients proved to be similar to that in GHD ones. However, a careful selection of short non-GHD children to be treated with GH would better justify the cost of long-term GH therapy.


2021 ◽  
Vol 12 ◽  
Author(s):  
Saartje Straetemans ◽  
Raoul Rooman ◽  
Jean De Schepper

ObjectiveThe first year response to growth hormone (GH) treatment is related to the total height gain in GH treated children, but an individual poor first year response is a weak predictor of a poor total GH effect in GH deficient (GHD) children. We investigated whether an underwhelming growth response after 2 years might be a better predictor of poor adult height (AH) outcome after GH treatment in GHD children.Design and methodsHeight data of GHD children treated with GH for at least 4 consecutive years of which at least two prepubertal and who attained (near) (n)AH were retrieved from the Belgian Register for GH treated children (n = 110, 63% boys). In ROC analyses, the change in height (ΔHt) SDS after the first and second GH treatment years were tested as predictors of poor AH outcome defined as: (1) nAH SDS <−2.0, or (2) nAH SDS minus mid-parental height SDS <−1.3, or (3) total ΔHt SDS <1.0. The cut-offs for ΔHt SDS and its sensitivity at a 95% specificity level to detect poor AH outcome were determined.ResultsEleven percent of the cohort had a total ΔHt SDS <1.0. ROC curve testing of first and second years ΔHt SDS as a predictor for total ΔHt SDS <1.0 had an AUC >70%. First-year ΔHt SDS <0.41 correctly identified 42% of the patients with poor AH outcome at a 95% specificity level, resulting in respectively 5/12 (4.6%) correctly identified poor final responders and 5/98 (4.5%) misclassified good final responders (ratio 1.0). ΔHt SDS after 2 prepubertal years had a cut-off level of 0.65 and a sensitivity of 50% at a 95% specificity level, resulting in respectively 6/12 (5.5%) correctly identified poor final responders and 5/98 (4.5%) misclassified good final responders (ratio 1.2).ConclusionIn GHD children the growth response after 2 prepubertal years of GH treatment did not meaningfully improve the prediction of poor AH outcome after GH treatment compared to first-year growth response parameters. Therefore, the decision to re-evaluate the diagnosis or adapt the GH dose in case of poor response after 1 year should not be postponed for another year.


2002 ◽  
pp. 625-633 ◽  
Author(s):  
MB Ranke ◽  
CJ Partsch ◽  
A Lindberg ◽  
HG Dorr ◽  
M Bettendorf ◽  
...  

OBJECTIVES: We aimed to evaluate the factors influencing true adult height (HT) after long-term (from 1987 to 2000) GH treatment in Ullrich-Turner syndrome (UTS) based on modalities conceived in the 1980s. DESIGN: Out of 347 near-adult (>16 Years) patients from 96 German centres, whose longitudinal growth was documented within KIGS (Pharmacia International Growth Database), 188 (45, X=59%; bone age >15 Years) were available for further anthropometric measurements. RESULTS: At a median GH dose of 0.88 (10th/90th percentiles: 0.47/1.06) IU/kg per week, a gain of 6.0 (-1.3/+13) cm above the projected adult height was recorded. Variables were recorded at GH start, after 1 Year GH, puberty onset, and last visit on GH therapy. At these visits, the median ages were 11.7, 12.7, 14.2, 16.6 and 18.7 Years; and median heights, 0.4, 1.1, 1.7, 1.7 and 1.3 SDS (UTS) respectively. Height gain (DeltaHT) after GH discontinuation was 1.5 cm. Total DeltaHT correlated (P<0.001) negatively with bone age and HT SDS at GH start, but positively with DeltaHT after the first Year, DeltaHT at puberty onset, and GH duration. Final HT correlated (P<0.001) positively with HT at GH start, first-Year DeltaHT, and HT at puberty onset. Body mass index increased slightly (P<0.05), with values at start and adult follow-up correlating highly (R=0.70, P<0.001). No major side effects of GH occurred. CONCLUSIONS: GH dosages conceived in the 1980s are safe but too low for most UTS patients. HT gain and height are determined by age and HT at GH start. Height gain during the first Year on GH is indicative of overall height gain. After spontaneous or induced puberty, little gain in height occurs.


2020 ◽  
Vol 4 (Supplement_1) ◽  
Author(s):  
Renata Da Cunha Scalco ◽  
Adriana Farrant Braz ◽  
Alexsandra C Malaquias ◽  
Sonir Roberto Rauber Antonini ◽  
Gil Guerra-Junior ◽  
...  

Abstract Background: Short stature is the most frequent clinical manifestation in Turner syndrome (TS), occurring in 98% of these patients. Growth hormone was shown to improve adult height in TS patients from diverse genetic backgrounds. However, there are few studies on adult height in TS patients from developing countries, where the diagnosis is frequently delayed. Objective: To compare adult height between GH-treated and untreated TS patients. Patients and methods: 120 GH-treated and 109 GH-untreated TS patients from 3 referral hospitals in Brazil were evaluated. The most common reasons for not treating TS patients with GH were late diagnosis or GH unavailability. Data on karyotype, parents’ height, puberty development and GH treatment were obtained from their medical records. Adult height was determined when growth velocity was inferior to 1cm/year during a minimum follow-up period of 12 months. Results: The frequency of 45,X karyotype was similar between the groups (48.7% vs. 41.9% in GH-treated vs. GH-untreated TS patients, respectively, P= 0.639). GH-treated TS patients started GH therapy at a chronological age (CA) of 11.2 ± 3.7 yr, bone age of 9.3 ± 3.1 yr, height SDS (British 1965 standards) -3.1 ± 1.1. GH mean dose was 48µg/kg.d and GH treatment duration was 5.4 ± 3.0 yr. Estrogen replacement was started late, at CA of 14.3 ± 2.0 yr in GH-treated and at 14.9 ± 1.9 yr in GH-untreated patients, and the rate of spontaneous puberty was similar between the groups (GH-treated 16.8% vs. GH-untreated 22,8%, P=0.304). Adult height was significantly higher after GH treatment (150.1 ± 5.8 cm vs. 143.3 ± 7.2 cm in GH-treated vs. untreated TS patients, respectively, P &lt; 0.001), even with a small but significant difference in target height between the groups (158.2 ± 4.8 vs. 159.8± 4.5 cm in GH-treated vs. untreated TS patients, respectively, P= 0.015). More than half of the TS GH-treated patients reached normal adult height (equal or higher than 150.2 cm), whereas only 15.6% of GH-untreated patients reached it. Conclusion: Despite the delayed diagnosis of TS patients in our cohort, GH treatment was associated with a significant height gain, and the TS GH-treated group was around 7 cm taller than the GH-untreated group.


2017 ◽  
Vol 16 (1) ◽  
Author(s):  
Jesús Alberto Luengo - Fereira

Objective: To compare two fluorinated varnishes for the control of white spot lesions.Material and Methods: A randomized controlled clinical trial was conducted. A total of 103 active whitespot lesions on permanent upper anterior teeth from 24 patients, aged 7 to 9 years were randomly assigned totwo groups, G1: Duraphat® (n=52) and G2: DuraShield® (n=51). Weekly applications were perform for fourconsecutive weeks. Fifth week the dimension, regression and activity of the lesions were evaluated. Student’sT test, Wilcoxon Ranks and Chi square were used at 5% significance. Results: At the end of the study, the lesion reduction was observed in 69.7%, finding significant differences(p<0.05) in the mean of the initial and final dimensions in general (2.74 mm to 1.91 mm) and in each group, G1(2.84 mm to 2.03 mm), G2 (2.64 mm to 1.78 mm). In the activity of the lesions, it was found in the G1, 12 active and6 inactive lesions; while in G2, there were 14 active and 29 inactive; these differences were significant (p<0.05). Conclusions: The two evaluated products showed similar clinical efficacy in the remineralization of activewhite spot lesions after 4 weeks of therapy.


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