Final Height Outcomes of Hypopituitary Children after Growth Hormone (GH) treatment during the Pituitary GH (pGH) and Recombinant GH (rGH) eras 402

MacGillivray, Margaret H.; Clopper, Richard R.; Sandberg, David E.; Buchlis, John; Irizarry, Lydia

doi:10.1203/00006450-199704001-00422

Cited by 4 publications

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“…In KIGS (Pfizer International Growth Study Database), mean GH peak was 3.1 μg/L in children with imaging abnormalities (excluding pituitary hypoplasia) versus 4.9 μg/L for pituitary hypoplasia and 6.6 μg/L for idiopathic GHD [40] . These tests were not validated as a basis for intervention in an RCT, but observational studies tend to show that very low peak GH response correlates with dramatic response to GH treatment [41][42][43] .…”

Section: Consideration and Diagnosis Of Ghdmentioning

confidence: 99%

Guidelines for Growth Hormone and Insulin-Like Growth Factor-I Treatment in Children and Adolescents: Growth Hormone Deficiency, Idiopathic Short Stature, and Primary Insulin-Like Growth Factor-I Deficiency

DiVall²,

et al. 2016

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Background/Aims: On behalf of the Drug and Therapeutics, and Ethics Committees of the Pediatric Endocrine Society, we sought to update the guidelines published in 2003 on the use of growth hormone (GH). Because idiopathic short stature (ISS) remains a controversial indication, and diagnostic challenges often blur the distinction between ISS, GH deficiency (GHD), and primary IGF-I deficiency (PIGFD), we focused on these three diagnoses, thereby adding recombinant IGF-I therapy to the GH guidelines for the first time. Methods: This guideline was developed following the GRADE approach (Grading of Recommendations, Assessment, Development, and Evaluation). Results: This guideline provides recommendations for the clinical management of children and adolescents with growth failure from GHD, ISS, or PIGFD using the best available evidence. Conclusion: The taskforce suggests that the recommendations be applied in clinical practice with consideration of the evolving literature and the risks and benefits to each individual patient. In many instances, careful review highlights areas that need further research.

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Section: Consideration and Diagnosis Of Ghdmentioning

confidence: 99%

Guidelines for Growth Hormone and Insulin-Like Growth Factor-I Treatment in Children and Adolescents: Growth Hormone Deficiency, Idiopathic Short Stature, and Primary Insulin-Like Growth Factor-I Deficiency

DiVall²,

et al. 2016

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The Growth Hormone Cascade: Progress and Long-Term Results of Growth Hormone Treatment in Growth Hormone Deficiency

Grumbach¹,

Bin-Abbas²,

Kaplan³

1998

Horm Res Paediatr

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The growth hormone (GH) cascade and the remarkable advances over the past four decades in our knowledge of its components are considered. It is now over 40 years since human pituitary GH (pit-hGH) was purified and the first GH-deficient patient, a 17-year-old male, was successfully treated with pit-hGH. However, the shortage of pit-hGH limited its use and the dose, the biopotency of preparations varied, strict criteria of GH deficiency (GHD) were used for patient selection including peak plasma immunoreactive GH levels after provocative stimuli of <3.5–5 ng/ml, treatment was not infrequently interrupted, the mean age for initiating treatment was often late in childhood (12–13 years) and the growth deficiency severe (height –4 to –6 SDS), and finally pit-hGH therapy was often discontinued when girls attained a height of 5′ and boys 5′5′′. Nonetheless, the effects of pit-hGH were dramatic; the final height SDS increased in isolated GHD to about –2 SDS in boys and –2.5 to –3.0 SDS in girls, and in multiple pituitary hormone deficiencies to between –1 and –2 SDS. Between 1962 and 1985 when the Creutzfeldt-Jakob disease crisis struck, the number of GH-deficient patients treated with pit-hGH increased from about 150 to over 3,000. The advent of biosynthetic GH (rhGH) and its availability to treat large numbers of idiopathic GH-deficient children (the minimum prevalence rate of which in the USA and UK is between 1 in 3,400 and 4,000) dramatically changed this picture in 1985. It is estimated that more than 60,000 patients have been or are now on treatment. With rhGH treatment the attained mean adult height SDS is now about –1.0, and in our experience with the treatment of patients under 4 years of age, final height may exceed the target height. It is now recognized that (a) the replacement dose of rhGH ranges from 0.175 to 0.35 mg/kg/week and should be individualized; (b) dividing this dose into 6 or 7 daily subcutaneous injections is more effective than giving the same total dose in three weekly portions, and (c) final height correlates significantly with pretreatment chronologic age, height SDS and predicted adult height, duration of therapy, birth length, in some studies height SDS and age at start of puberty, weight, and serum GHBP (an indicator of GH receptor mass). Early recognition of GHD is essential for an optimal height outcome. rhGH treatment should not be delayed in children with documented GHD; the greater the height deficit, the lower the probability that target height will be reached. GHD needs to be detected earlier in children with organic hypopituitarism whether due to a developmental defect, neoplasm, radiation, head trauma, or a CNS infection. Early rhGH therapy in neonatal hypopituitarism has resulted in excellent growth responses. As the height prognosis in isolated GHD is not as good (especially in girls) as in GHD associated with gonadotropin deficiency, the use of LHRH agonists to delay puberty or potent aromatase inhibitors to delay skeletal maturation should be considered in selected patients ...

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Comparison of Final Heights of Growth Hormone-Treated Vs. Untreated Children with Idiopathic Growth Failure

Buchlis

Irizarry

Crotzer

et al. 1998

The Journal of Clinical Endocrinology &Amp; Metabolism

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We measured adult heights (Ht) of 94 healthy GH-sufficient children (peak GH > 10 ng/mL, polyclonal RIA) whose Ht at presentation were more than 2 SD below the mean for chronological age, with normal weight-to-Ht ratios, normal body proportions, and pathologic growth velocity for chronological age. Group 1 (n 36, 6 females) received standardized doses (0.3 mg/kg x week) of GH (mean duration = 41 months), while group 2 (n = 58, 17 females) received no treatment. Our conclusion was that the mean final Ht SD score in the GH-treated group (-1.5) was significantly greater than in the untreated group (-2.1); P < .001. Genetic predisposition to short stature was evident in both groups: the midparental Ht SD score was -1.1 in the treated and -1.0 in the untreated group. Midparental Ht was met or exceeded by 42% of the GH-treated group but only 15% of the untreated group. Final Ht was not significantly different from predicted Ht, except from GH-treated girls, who exceeded their predicted Ht. Although the mean Ht gains (6.8 cm in girls and 3 cm in boys) were modest and variable, GH treatment provided significantly better Ht outcomes for the majority of children with idiopathic growth failure.

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Final Height Outcomes of Hypopituitary Children after Growth Hormone (GH) treatment during the Pituitary GH (pGH) and Recombinant GH (rGH) eras 402

Cited by 4 publications

References 0 publications

Guidelines for Growth Hormone and Insulin-Like Growth Factor-I Treatment in Children and Adolescents: Growth Hormone Deficiency, Idiopathic Short Stature, and Primary Insulin-Like Growth Factor-I Deficiency

Guidelines for Growth Hormone and Insulin-Like Growth Factor-I Treatment in Children and Adolescents: Growth Hormone Deficiency, Idiopathic Short Stature, and Primary Insulin-Like Growth Factor-I Deficiency

The Growth Hormone Cascade: Progress and Long-Term Results of Growth Hormone Treatment in Growth Hormone Deficiency

Comparison of Final Heights of Growth Hormone-Treated Vs. Untreated Children with Idiopathic Growth Failure

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