Ornithologists have described a new species of tanager in the genus Trichothraupis living on the Eastern slopes of the Andes
Trichothraupis melanops (above) and Trichothraupis griseonota (below)
The newly-discovered species belongs to Trichothraupis, a genus that was established in 1851 and, until now, included only one species: the black-goggled tanager (Trichothraupis melanops)
These forest-dwelling birds live in pairs or in small groups
where their main habitat consists of drier forests than in the Atlantic regions
“Trichothraupis is a monospecific genus found in two disjunct populations, one in the Atlantic Forest of eastern Brazil (Bahia south to Rio Grande do Sul states), northeastern Argentina, and eastern Paraguay, from sea level up to 1,200 m,” said Dr. Vagner Cavarzere from the Universidade Estadual Paulista and his colleagues
“Normally associated with the Atlantic Forest
there are some isolated populations in the southern Pantanal as well as in the gallery forests of eastern Chaco.”
“A second population can be found on the eastern slopes of the Andes from northern Peru to extreme northwestern Argentina
A recent study demonstrated that the Atlantic and Andean populations of Trichothraupis melanops are genetically isolated
that the current classification as a monotypic species should be revisited
Cavarzere and co-authors evaluated the morphology
and vocalizations of the Atlantic and Andean populations
The researchers examined a total of 581 skin specimens housed in museums around the world
“Our study of plumage revealed full diagnosability between the two populations of Trichothraupis,” they said
“Both populations are also differentiated by tarsus length
with the Atlantic population having longer tarsi on average.”
the taxa inhabit distinct vegetation types (Atlantic Forest versus Tucumano-Boliviano and Yungas montane forests).”
Named Trichothraupis griseonota (common name is the Andean black-goggled tanager)
the new species is found from 400 m up to 1,700 m on the eastern slopes of the Andes in Peru
“Trichothraupis griseonota is restricted to the eastern slope of the Andes of central and southern Peru
and northwestern Argentina,” the scientists said
“It inhabits the Seasonal Dry Tucumano-Boliviano Forests which are confined to the northwestern Argentinean Andean forests and foothills north to central and southern Bolivia.”
“The species also occurs along a narrow strip of Yungas Forests in northern Bolivia and Peru
“These montane forests exhibit higher moisture levels compared to the Tucumano-Boliviano Forests.”
the fact that these distinct lineages had not been recognized before is somewhat intriguing
given that Trichothraupis is a common species
“In describing a new species discovered in museum cabinets
in addition to extremely important and relatively new paradigms
museum specimens are especially important in the age of genomes and supercomputers
given that their most important role since their inception centuries ago has been to serve as the cornerstone upon which avian taxonomy is based,” the authors concluded
“By documenting and organizing variations and allowing for insights such as this
we hope that the discovery of Trichothraupis griseonota will serve as a reminder for ornithologists never to underestimate the possibility that exciting new discoveries may lie among a seemingly mundane series of bird skin specimens.”
The study was published in the journal Zootaxa
A new species of tanager (Aves: Thraupidae) from the Eastern slopes of the Andes
Zootaxa 5468 (3): 541-556; doi: 10.11646/zootaxa.5468.3.7
Italy (BRAIN) — The Bottecchia bicycle company and local media are reporting that a large fire destroyed part of Bottecchia's production headquarters here on Sunday
the company said no employees were hurt and the extent of damage is still unknown
"On Sunday, September 25, we experienced one of the worst pages of our history. What happened at our headquarters in Cavarzere is an unprecedented event," the company said on its Facebook page
"We are already reorganizing to start again as soon as possible
We know a lot of you are waiting for deliveries
We ask for your patience and understanding during this difficult time
We will do our best to keep you updated on the restart timings as soon as possible
but we need to find the strength and courage to get back on the saddle and start again."
The company is named for Ottavio Bottecchia, who was the first Italian to win the Tour de France, in 1924. According to Italian media
the company was sold to Fantic Motor in July
Download the 2019 Industry Directory
Read the 2021 Sales Training Guide
1600 Pearl St., Ste 300Boulder, CO 80302This website copyright © 2025. All rights reserved
Volume 14 - 2023 | https://doi.org/10.3389/fendo.2023.1332114
Growth hormone (GH) is crucial to growth and development
GH secretion is regulated by a complex feedback system involving the pituitary gland
and predominantly occurs during deep sleep
Isolated and idiopathic growth hormone deficiency (GHD) is a condition characterized by GHD without any other signs or symptoms associated with a specific syndrome or disease
The aim of this narrative review was to evaluate the relationship between GH and sleep in children using published data
and Web of Science) were systematically searched for relevant English language articles published up to April 2023
Search strategies included the terms ‘children/pediatric’
‘growth hormone deficiency’ and ‘sleep’
Data were extracted by two independent reviewers; 185 papers were identified of which 58 were duplicates and 118 were excluded (unrelated n=83
GHD appears to have an adverse effect on sleep in children
and GH therapy has only been shown to have a beneficial effect on sleep parameters in some individuals
Further research of GHD in pediatric populations is necessary to improve the understanding of GHD impact on sleep and its underlying mechanisms
and to determine the specific impacts of GH therapy on sleep in children
Insufficient or poor quality of sleep can have a significant impact on the development, learning, behavior, and overall health of children (5, 6) including a detrimental effect on their physical and mental well-being (7). Other effects include difficulties with concentration, increased irritability, growth impairment, weakened immune function, anxiety, and depression (7)
Sleep is an important period of increased GH release (11). Indeed, a significant release of GH can be observed in conjunction with the first episode of slow-wave activity, especially shortly after sleep onset (12, 13)
This indicates that slow-wave sleep appears to play an important role in the regulation of GH secretion
This narrative review (incorporating a systematic search of the literature) aimed to assess the relationship between GH and sleep in children, and assess the impact of GH therapy on sleep quality in children with idiopathic GHD (Figure 1)
Figure 1 Study rationale and objectives
and Web of Science databases were systematically searched for English language articles published up to April 2023
Medical Subject Heading (MeSH) terms and text words (including their combinations and truncated synonyms) were adapted as necessary to search in each database
we followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to ensure rigorous methodology and transparent presentation of data
and methodological quality assessment were conducted in accordance with the recommendations of the PRISMA protocol
The exclusion criteria for the literature search were “case report,” “review”
The PubMed search strategy used was: (children[Title/Abstract] OR pediatric[Title/Abstract]) AND (“growth hormone deficiency”[Title/Abstract]) AND sleep[Title/Abstract] NOT (“case report”[Title/Abstract] OR review[Title/Abstract]) NOT syndrome [Title/Abstract]
The Scopus search strategy was ABS (children OR pediatric) AND ABS (“growth hormone” OR “growth hormone deficiency” OR “growth hormone treatment” OR “recombinant growth hormone”) AND ABS (sleep OR “sleep quality” OR “sleep pattern” OR “sleep duration” OR “sleep efficiency” OR “sleep satisfaction”)
Two reviewers independently extracted data from all eligible studies
Extraction was completed in duplicate to minimize errors and potential biases in result interpretation
Any discrepancies were resolved by a third reviewer
ensuring accuracy and consistency of the data extracted
Reviewers also assessed the methodology of each study
including the robustness of the study design and the validity of the results
to evaluate the overall quality of the scientific evidence
Studies were excluded if they were deemed unrelated to the topics of interest
published in a language other than English
and focused on children with syndromic/genetic disorders
Table 1 Articles excluded from the analysis after reviewing the eligibility of full-text articles
Figure 2 Flow chart showing study selection and inclusion
Table 2 Summary of studies on sleep-related health outcomes and growth hormone in children with growth hormone deficiency
In another controlled study, a group of seven children with GHD underwent PSG before and after 1–2 weeks of GH therapy (18). Prior to receiving GH therapy, children with GHD spent more time in stage 1 and stage 3 sleep, and less time in REM sleep, compared with age-matched controls. After initiating GH therapy, children with GHD showed a reduction in the time spent in stage 3 sleep, without any significant change in other sleep parameters (18)
These articles do not specifically focus on the relationship between GHD and/or GH therapy and sleep
The studies identified by a systematic literature search provide interesting insights into the relationship between GH and sleep in children with GHD
They emphasize the importance of monitoring GH secretion during sleep and suggest a link between GHD
and growth outcomes in specific populations
GHD can impact sleep and lead to cognitive consequences in affected children
Treatment with hGH has the potential to improve sleep disturbances and mitigate adverse effects on cognitive function
further research is needed to better understand the effects of GH therapy on sleep in pediatric populations
and neurocognitive function in this population
Despite the limitations of the dataset, the available information did provide some insights into the relationship between GH and sleep in children with GHD, allowing us to answer the individual questions listed in Figure 1
the mechanisms regulating GH secretion during sleep are not well understood; therefore
there is a need for further evaluation of these relationships
It was encouraging to see data showing some sleep improvements when children with GHD are treated with GH replacement therapy (18, 19, 25). GH treatment has been shown to significantly improve sleep quality in adults with GHD (28–30). This can result in deeper and more restful sleep, ultimately improving the individual’s quality of life (30)
the effects of GH therapy on sleep varied between individuals
While some children may experience significant improvements in sleep
others may only notice small changes or no change at all
It is also worth noting that the effects of GH treatment on sleep may take time to develop
it is crucial to have realistic expectations regarding the outcomes of GH treatment on sleep quality
It would also be helpful to know which factors might affect the individual response to GH therapy
more studies in pediatric patients are needed
including those with a larger sample size conducted in individuals managed according to current guidelines
use of a comprehensive sleep assessment (alongside thorough history taking and laboratory testing) could help inform both a diagnosis and the treatment strategies for children with sleep-related GH disorders or GHD-related sleep disorders
The key limitation of the current review was the low availability and quality of the published data on the effects of GH on sleep in children
the lack of consistency in endpoints meant that we were unable to combine and analyze the data in any systematic way
our report should be considered as a guide to gaps in current literature
and an indication of where future studies are needed
there is potential for GHD to have a negative impact on sleep in children
Sleep disturbances in these individuals can disrupt deep sleep and influence GH secretion
it would seem advisable to perform a sleep study (e.g.
PSG) before initiating GH therapy in children with GHD
This would enable evaluation of sleep characteristics
identification of any GH-related sleep disorders and development of a personalized management plan
It would also allow changes in sleep during GH treatment to be accurately monitored
This personalized approach will play an important role in improving the overall well-being and outcomes for affected individuals
The author(s) declare financial support was received for the research
This work and medical writing assistance for the preparation of this article was funded by Sandoz
The funder was not involved in the study design
or the decision to submit it for publication
who edited a preliminary draft of this manuscript on behalf of Springer Healthcare Communications
This medical writing assistance was funded by Sandoz
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations
Any product that may be evaluated in this article
or claim that may be made by its manufacturer
is not guaranteed or endorsed by the publisher
Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PSG
spontaneous secretion of sleep-related growth hormone; SWS
Circadian biology in obstructive sleep apnea
CrossRef Full Text | Google Scholar
Guidelines for growth hormone and insulin-like growth factor-I treatment in children and adolescents: growth hormone deficiency
and primary insulin-like growth factor-I deficiency
Horm Res Paediatr (2016) 86(6):361–97
Minerva Endocrinol (2015) 40(2):129–43
PubMed Abstract | Google Scholar
The potential role of sleep in promoting a healthy body composition: underlying mechanisms determining muscle
and bone mass and their association with sleep
Neuroendocrinology (2022) 112(7):673–701
mental symptoms and perception of academic environment in medical students
Effect of sleep changes on health-related quality of life in healthy children: a secondary analysis of the DREAM crossover trial
doi: 10.1001/jamanetworkopen.2023.3005
and behavioral consequences and implications
CrossRef Full Text | Google Scholar
Sleepiness and sleep disordered breathing in Prader-Willi syndrome: relationship to genotype
The impact of growth hormone therapy on sleep-related health outcomes in children with Prader-Willi Syndrome: a review and clinical analysis
Sleep-disordered breathing in Australian children with Prader-Willi syndrome following initiation of growth hormone therapy
J Paediatr Child Health (2022) 58(2):248–55
Growth hormone secretion during nocturnal sleep in normal subjects
J Clin Endocrinol Metab (1969) 29(1):20–9
Human growth hormone release: relation to slow-wave sleep and sleep-walking cycles
PubMed Abstract | CrossRef Full Text | Google Scholar
Polygraphic sleep patterns and growth hormone secretion in children after cranial irradiation
Effects of discontinuation of growth hormone treatment on body composition and metabolism
Factors altering the sleep of burned children
PubMed Abstract | Google Scholar
Sleep characteristics in children with growth hormone deficiency
Neuroendocrinology (2011) 94(1):66–74
Effect of growth hormone treatment on sleep EEGs in growth hormone-deficient children
PubMed Abstract | CrossRef Full Text | Google Scholar
Effects of replacement therapy on sleep architecture in children with growth hormone deficiency
Growth hormone release during sleep in growth-retarded children with normal response to pharmacological tests
Overnight growth hormone secretion in short children: independence of the sleep pattern
J Clin Endocrinol Metab (1993) 77(6):1495–9
Specific abnormalities in a visual motor psychological test in short children with abnormal growth hormone secretion
doi: 10.1111/j.1651-2227.1997.tb08857.x
PubMed Abstract | CrossRef Full Text | Google Scholar
Relationship between sleep stage IV deficit and reversible HGH deficiency in psychosocial dwarfism
Pediatr Res (1982) 16(4 Pt 1):299–303
doi: 10.1203/00006450-198204000-00011
Sleep disturbance in children with growth hormone deficiency
Alterations in brain structure and function associated with pediatric growth hormone deficiency: a multi-modal magnetic resonance imaging study
Growth hormone-deficient young adults have decreased deep sleep
Neuroendocrinology (1990) 51(1):82–4
PubMed Abstract | CrossRef Full Text | Google Scholar
Interaction between sleep and growth hormone
Evaluated by manual polysomnography and automatic power spectrum analysis
Acta Neurol Scand (1995) 92(4):281–96
doi: 10.1111/j.1600-0404.1995.tb00131.x
Impact of GH replacement therapy on sleep in adult patients with GH deficiency of pituitary origin
Eur J Endocrinol (2013) 168(5):763–70
and quality of life in adults with growth hormone deficiency
J Clin Endocrinol Metab (2010) 95(5):2195–202
Controversies in the diagnosis and management of growth hormone deficiency in childhood and adolescence
Arch Dis Child (2016) 101(1):96–100
doi: 10.1136/archdischild-2014-307228
Diagnosis of growth hormone deficiency in childhood
Curr Opin Endocrinol Diabetes Obes (2012) 19(1):47–52
PubMed Abstract | CrossRef Full Text | Google Scholar
Practice parameters for the indications for polysomnography and related procedures: an update for 2005
Guzzo A and Antoniazzi F (2024) Complex relationship between growth hormone and sleep in children: insights
Received: 02 November 2023; Accepted: 04 December 2023;Published: 24 January 2024
Copyright © 2024 Zaffanello, Pietrobelli, Cavarzere, Guzzo and Antoniazzi. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY)
distribution or reproduction in other forums is permitted
provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited
in accordance with accepted academic practice
distribution or reproduction is permitted which does not comply with these terms
*Correspondence: Paolo Cavarzere, cGFvbG9jYXZhcnplcmVAeWFob28uaXQ=
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations
Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher
94% of researchers rate our articles as excellent or goodLearn more about the work of our research integrity team to safeguard the quality of each article we publish
Bike Europe is a part of VMNmedia. The following rules apply to the use of this site: Terms of Use and Privacy / Cookie Statement | Privacy settings
Sixteen studies reporting changes in body composition (i.e., FM and LBM) associated with GH treatment in children with GHD were identified and included in the review. Collectively, these studies demonstrated that FM decreased, and LBM increased in response to GH replacement therapy.
Despite study limitations (i.e., potential effects of diet and physical activity were not considered), we concluded that a periodic body composition assessment is required to ensure that a satisfactory body composition is achieved during GH replacement therapy in children with GHD.
Volume 14 - 2023 | https://doi.org/10.3389/fendo.2023.1093691
Background: Growth hormone (GH) affects metabolism and regulates growth in childhood
The most prominent feature of GH deficiency (GHD) in children is diminished height velocity that eventually leads to short stature
Beneficial effects of GH treatment on body composition in adults with GHD
including an increase in muscle mass and a decrease in FM
Relatively few studies have investigated the effects of GH treatment on the body composition of pediatric patients with idiopathic or hypothalamic-pituitary disease-associated GH deficiency
This systematic review aimed to summarize available evidence relating to the effects of GH treatment on body composition in children with GHD
were searched with keywords including “GH”
and “growth hormone” for English-language articles
published between January 1999 and March 2021
Two reviewers independently evaluated the search results and identified studies for inclusion based on the following criteria: participants had a confirmed diagnosis of GHD (as defined in each study); participants were pediatric patients who were receiving GH or had stopped GH treatment
regardless of whether they were pre- or post-pubertal; the intervention was recombinant human GH (rhGH; somatropin); and outcomes included changes in body composition during or after stopping GH therapy
Data extracted from each study included study quality
Data on fat-free mass and LBM were combined into a single category of LBM
Results: Sixteen studies reporting changes in body composition (i.e.
FM and LBM) associated with GH treatment in children with GHD were identified and included in the review
these studies demonstrated that FM decreased
and LBM increased in response to GH replacement therapy
Conclusion: Despite study limitations (i.e.
potential effects of diet and physical activity were not considered)
we concluded that a periodic body composition assessment is required to ensure that a satisfactory body composition is achieved during GH replacement therapy in children with GHD
Growth hormone (GH) and its effector insulin-like growth factor 1 (IGF-1) are needed to regulate growth in childhood and body composition (1–3). Approved indications for GH replacement include short stature associated with Turner, Noonan and Prader-Willi syndromes (PWS), small size for gestational age, renal failure, idiopathic short stature, short stature homeobox-containing gene (SHOX) deficiency, and GH deficiency (GHD) (1)
Relatively few studies have investigated this effect on pediatric patients with GH deficiency that is either idiopathic or a result of hypothalamic-pituitary disease
This systematic review summarizes the available evidence relating to the effects of GH treatment on body composition in children with a confirmed diagnosis of GHD treated with GH. Given that both GHD and high FM increase the risk of metabolic disturbances such as dyslipidemia and insulin resistance (8, 15)
we also considered the effects of GH treatment on plasma lipid and insulin levels when these were reported in studies included in the review
The methodology of this systematic review is consistent with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement (16)
A comprehensive search of all English-language articles analyzing the effects of GH treatment on the body composition of pediatric patients with a confirmed diagnosis of GHD was conducted
We searched several electronic databases (PubMed
Embase) with the keywords “GH”
“growth hormone supplementation”
and “lean body mass” to identify relevant studies published between 1 January 1999 and 31 March 2021
The bibliographies of related articles were also searched to identify any additional published references relevant for inclusion in the review
Search results were exported into the reference manager software “Rayyan QCRI”
Two reviewers (AF and MV) working independently and blindly considered the potential eligibility of each of the titles and abstracts identified after executing the search strategy
They then evaluated the full-text versions of all potentially eligible studies and extracted data from the references
Disagreements were resolved by a third reviewer (AP)
Data extracted from each study were: 1) study quality (e.g.
and statistical analyses); 2) study sample characteristics (e.g.
and puberty status); 3) study interventions (e.g.
retesting for GHD); and 4) data on body composition (e.g.
Because the terms LBM and fat-free mass are typically used interchangeably in scientific literature
we combined data on fat-free mass and LBM into the single category of LBM
Studies were included when they fulfilled the following criteria:
• Participants had a confirmed diagnosis of GHD (as defined in each study);
• Participants were pediatric patients who were receiving GH or had stopped GH treatment
regardless of whether they were pre- or post-pubertal;
• Intervention was recombinant human GH (rhGH; somatropin);
• Outcomes included changes in body composition during or after stopping GH therapy
We identified a total of 2,094 records by searching electronic databases (Figure 1). After duplicates were removed, a total of 1,450 records were considered for inclusion. After the first screening, based on title and abstract, 52 full-text articles were selected for assessment of eligibility. After this second screening process, a total of 15 articles were considered eligible for this review (17–31)
This figure is an adaptation from “Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement.” by Moher D
and is used under a CC BY-NC-SA 4.0 license
Included studies enrolled over 500 pre- or post-pubertal pediatric patients with GHD (Tables 1 and 2)
Table 1 Studies that evaluated body composition at baseline and during rhGH treatment in children with GHD
Table 2 Studies that evaluated body composition after rhGH treatment suspension in children with GHD
In all but three of the studies (26, 27, 29)
information on additional pituitary hormone deficiencies was given
although multiple pituitary hormone deficiencies and other diseases were also encountered
The initial rhGH dose ranged from 0.02 to 0.042 mg/kg per day. In only one study was the dose personalized from the start (20)
ranging between 0.017 and 0.1 mg/kg per day
Body composition was evaluated using total body DXA in 12 studies (17–20, 22–24, 26–28, 30, 31). The remaining studies used near-infrared interactance (II), bioelectrical impedance analysis (BIA), or ST (21, 25, 29)
DXA is reported to be the best currently available technique for measuring body composition (13, 14); however, LBM data may not be accurate because DXA cannot distinguish between body cell mass and water (32–34)
there was strong evidence of a decrease in FM during chronic rhGH treatment
with cessation of treatment almost invariably resulting in an increase in FM
particularly in patients with persistent GHD
Figure 2 Differences in fat mass (mean % of body weight with 95% confidence interval) from the start to 1 yeara of rhGH replacement in pre-pubertal patientsb with GHD (18, 22, 24, 27, 28)
aTwo months of replacement in Mauras et al
Figure 3 Fat mass (mean % of body weight with standard deviation) at baseline and after 1 yeara of rhGH replacement in pre-pubertal patientsb with GHD (18, 22, 24, 27, 28)
Figure 4 Fat mass (mean % of body weight with standard deviation) at the end of rhGH replacement and 1 year later in pre-pubertal patients with GHD (19, 23)
there was moderate evidence for an increase in LBM during chronic rhGH treatment
as well as a decrease in LBM after discontinuation of rhGH
but this was mostly evident in subjects with persistent GH deficiency
Figure 5 Lean body mass (mean kg with standard deviation) at baseline and after 1 yeara of rhGH replacement in patientsb with GHD (18, 22, 24, 27)
Figure 6 Lean body mass (mean kg with standard deviation [if available]) at the end of rhGH replacement and 6 months later in patients with GHDa (17, 19)
enrolled patients with severe disease (stimulated growth hormone <16 ng/mL and by insulin-like growth factor-1 <–1.90 standard deviation score)
Table 3 Effects of rhGH therapy on lipid profiles and insulin metabolism in children with GHD (reported differences are intended as statistically significant)
The results regarding triglyceride levels were particularly heterogeneous
there was moderate evidence for a decrease in insulin sensitivity during chronic rhGH treatment
Insulin sensitivity did not appear to be affected in the long term after cessation of rhGH
our review analyzed studies that utilized IRMAs
It was reported that BIA and DXA methods had higher concordance with FM than with FFM values
particularly in patients with a BMI between 16–18 kg/m2
suggested that BIA and DXA methods are interchangeable at a normal population level
but that BIA underestimated FFM and overestimated FM in patients with a BMI ≥18 kg/m2
NIR cannot differentiate between bone and muscle mass; thus
a lean body mass measurement using NIR reflects both tissue types
NIR is limited in its ability to accurately measure body composition in patients who are extremely obese
The ‘gold standards’ for quantifying visceral adipose tissue in normal and obese populations are magnetic resonance imaging and computerized tomography. These imaging techniques quantify visceral adipose tissue more precisely than DXA in normal subjects, with coefficients of variation within 1–3% (49–52)
This may be explained by DXA’s limited ability to distinguish visceral fat from peripheral fat in the abdominal region
DXA measurements are more precise in obese individuals
as altering the reference lines in DXA analysis software can increase or decrease individuals’ fat compartments more slowly than in a lean individual
resulting in less analyst-initiated variation
The precision of DXA visceral adipose tissue assessments should continue to increase as software becomes more accurate at distinguishing visceral fat from peripheral fat
there are no other validated methods to differentiate between visceral and peripheral fat in this population
our findings indicate that GH influences body composition
and therefore periodic changes in FM and LBM should be assessed in children with GHD receiving rhGH therapy to ensure that a satisfactory body composition is maintained over time
Lipid and glucose profiles should also be monitored during treatment
no changes are observed in a patient’s body composition
physicians should assess how well the patient complies with the therapy and the appropriateness of their lifestyle/dietary choices; recommendations for additional interventions or lifestyle modifications should be introduced accordingly
The first review of the effects of GH therapy on body composition in pediatric populations was published in 1973 by Collipp and colleagues (11). More recently, it has been explored more widely. In 2020, Passone and colleagues reviewed the effects of GH treatment in patients with PWS (10) and found that GH improved stature
modifying the disease’s natural history
Table 4 Suggested timing and reasons for body composition assessments children with GHD
Reduction in FM after GH replacement therapy has been described mostly in visceral FM. Recent studies have indicated that the accumulation of visceral fat, rather than subcutaneous fat, is associated with increased cardiometabolic risk (56). This mechanistic difference may be partially explained by differences in the phenotypes of adipose tissue depots (56)
such as pro- and anti-inflammatory cytokines and adipokines
are produced at each local fat depot as an independent endocrine organ
subcutaneous adipocytes predominantly produce adiponectin
which has been historically associated with type 2 diabetes
Future research in this field should include studies with long-term follow-up that enroll homogenous groups of GH-deficient patients with similar causes and onset of disease
and evaluate important outcomes such as quality of life
It would be important to divide patients by pubertal status
as there are fundamental changes in their metabolism
This study has several strengths including the comprehensive literature search and review and the appraisal of the risk of bias (Table 5)
We only found articles with small sample sizes that were
heterogeneous by age and by pubertal stage
methods other than DXA were used to measure body composition (BIA
and there was variability across studies in the stimulation tests used to diagnose GHD
although it is clear that diet and physical activity influence and regulate body composition
the majority of the studies considered in this review did not assess the influence of diet and physical activity on body composition during GH therapy
The original contributions presented in the study are included in the article/supplementary material
Further inquiries can be directed to the corresponding author
and FA contributed to the study conception
and critical revision and editing of subsequent drafts
AF and MV contributed to the data analysis
and GP contributed to critical revision and editing of subsequent drafts
All authors approved the final version for submission and agree to be accountable for the content of the work
All authors contributed to the article and approved the submitted version
The authors declare that editorial assistance for the preparation of this article was funded by Sandoz
The authors would like to thank Joanne Dalton who provided editorial assistance on behalf of Springer Healthcare Communications
multiple frequency bioelectrical impedance analysis; MRI
Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PWS
single frequency bioelectrical impedance analysis; SHOX
short stature homeobox-containing gene; ST
Treatment of growth hormone deficiency in children
Best Pract Res Clin Endocrinol Metab (2016) 30(6):749–55
PubMed Abstract | CrossRef Full Text | Google Scholar
Endocrine control of body composition in infancy
Postgrad Med J (2006) 82(963):24–30
PubMed Abstract | CrossRef Full Text | Google Scholar
Advances in differential diagnosis and management of growth hormone deficiency in children
Nat Rev Endocrinol (2021) 17(10):608–24
Growth hormone deficiency in adulthood and the effects of growth hormone replacement: a review
growth hormone research society scientific committee
J Clin Endocrinol Metab (1998) 83(2):382–95
Baseline characteristics and the effects of five years of GH replacement therapy in adults with GH deficiency of childhood or adulthood onset: a comparative
J Clin Endocrinol Metab (2001) 86(10):4693–9
Definition and early diagnosis of metabolic syndrome in children
J Pediatr Endocrinol Metab (2020) 33(7):821–33
Impact of growth hormone status on body composition and the skeleton
Growth hormone treatment in prader-willi syndrome patients: systematic review and meta-analysis
Body composition changes in children receiving human growth hormone
PubMed Abstract | CrossRef Full Text | Google Scholar
Assessment of body composition in health and disease using bioelectrical impedance analysis (BIA) and dual energy x-ray absorptiometry (DXA): a critical overview
Contrast Media Mol Imaging (2019) 2019:3548284
Dual-energy X-ray absorptiometry body composition model: review of physical concepts
Am J Physiol (1996) 271(6 Pt 1):E941–51
Metabolic alterations in paediatric GH deficiency
Best Pract Res Clin Endocrinol Metab (2016) 30(6):757–70
PubMed Abstract | CrossRef Full Text | Google Scholar
The PRISMA 2020 statement: An updated guideline for reporting systematic reviews
Changes in body composition in male adolescents with childhood-onset GH deficiency during transition
Clin Endocrinol (Oxf) (2019) 91(3):432–9
Comparison of continuation or cessation of growth hormone (GH) therapy on body composition and metabolic status in adolescents with severe GH deficiency at completion of linear growth
J Clin Endocrinol Metab (2004) 89(8):3890–5
Metabolic effects of discontinuing growth hormone treatment
PubMed Abstract | CrossRef Full Text | Google Scholar
Metabolic outcome of GH treatment in prepubertal short children with and without classical GH deficiency
Clin Endocrinol (Oxf) (2010) 73(3):346–54
doi: 10.1111/j.1365-2265.2010.03812.x
Metabolic effects of growth hormone (GH) replacement in children and adolescents with severe isolated GH deficiency due to a GHRH receptor mutation
Clin Endocrinol (Oxf) (2007) 66(4):466–74
doi: 10.1111/j.1365-2265.2007.02753.x
Effect of growth hormone therapy and puberty on bone and body composition in children with idiopathic short stature and growth hormone deficiency
Discontinuation of growth hormone (GH) treatment: metabolic effects in GH-deficient and GH-sufficient adolescent patients compared with control subjects
Swedish study group for growth hormone treatment in children
J Clin Endocrinol Metab (1999) 84(12):4516–24
Effect of one-year growth hormone therapy on body composition and cardio-metabolic risk in Indian children with growth hormone deficiency
Long-term effect of growth hormone (GH) treatment on body composition in children with GH deficiency
Changes in body composition and leptin levels during growth hormone (GH) treatment in short children with various GH secretory capacities
Eur J Endocrinol (1999) 140(1):35–42
Growth hormone action in puberty: effects by gender
Growth Horm IGF Res (2007) 17(6):463–71
PubMed Abstract | CrossRef Full Text | Google Scholar
Alterations in body composition and fat distribution in growth hormone-deficient prepubertal children during growth hormone therapy
and lipid metabolism before and during long-term growth hormone (GH) treatment in children with short stature born small for gestational age either with or without GH deficiency
J Clin Endocrinol Metab (2000) 85(10):3786–92
Adolescents with partial growth hormone (GH) deficiency develop alterations of body composition after GH discontinuation and require follow-up
J Clin Endocrinol Metab (2003) 88(11):5101–6
Long-term effects of growth hormone therapy on bone mineral density
and serum lipid levels in growth hormone deficient children: a 6-year follow-up study
Combination of DXA and BIS body composition measurements is highly correlated with physical function–an approach to improve muscle mass assessment
Detection of small changes in body composition by dual-energy X-ray absorptiometry
The "adipo-cerebral" dialogue in childhood obesity: focus on growth and puberty
physiopathological and nutritional aspects
Cutoff values for HOMA-IR associated with metabolic syndrome in the study of cardiovascular risk in adolescents (ERICA study)
Immunofunctional assay of human growth hormone (hGH) in serum: a possible consensus for quantitative hGH measurement
J Clin Endocrinol Metab (1996) 81(7):2613–20
Immunoradiometric assay of human growth hormone
PubMed Abstract | CrossRef Full Text | Google Scholar
Provocative growth hormone testing in children: how did we get here and where do we go now
J Pediatr Endocrinol Metab (2021) 34(6):679–96
Limitations of clinical utility of growth hormone stimulating tests in diagnosing children with short stature
PubMed Abstract | Google Scholar
An update on the diagnosis of growth hormone deficiency
PubMed Abstract | CrossRef Full Text | Google Scholar
Growth hormone deficiency in children: From suspecting to diagnosing
Indian Pediatr (2017) 54(11):955–60
PubMed Abstract | CrossRef Full Text | Google Scholar
Body composition assessment by dual-energy X-ray absorptiometry (DXA)
Assessment methods in human body composition
Curr Opin Clin Nutr Metab Care (2008) 11(5):566–72
PubMed Abstract | CrossRef Full Text | Google Scholar
New bioimpedance analysis system: improved phenotyping with whole-body analysis
Eur J Clin Nutr (2004) 58(11):1479–84
Bioelectrical phase angle and impedance vector analysis–clinical relevance and applicability of impedance parameters
Phase angle and its determinants in healthy subjects: influence of body composition
Comparison of body composition assessment by DXA and BIA according to the body mass index: A retrospective study on 3655 measures
Reliability of near-infrared interactance body fat assessment relative to standard anthropometric techniques
J Clin Epidemiol (1995) 48(11):1361–7
Reproducibility and repeatability of computer tomography-based measurement of abdominal subcutaneous and visceral adipose tissues
Precision of MRI-based body composition measurements of postmenopausal women
Precision of the hologic DXA in the assessment of visceral adipose tissue
J Clin Densitom (2020) 23(4):664–72
PubMed Abstract | CrossRef Full Text | Google Scholar
The intra- and inter-instrument reliability of DXA based on ex vivo soft tissue measurements
HbA1c: a review of analytical and clinical aspects
PubMed Abstract | CrossRef Full Text | Google Scholar
Effects of growth hormone on glucose metabolism and insulin resistance in human
Ann Pediatr Endocrinol Metab (2017) 22(3):145–52
The GH/IGF-1 axis in obesity: pathophysiology and therapeutic considerations
Nat Rev Endocrinol (2013) 9(6):346–56
Localization of fat depots and cardiovascular risk
Influence of body mass index on growth hormone responses to classic provocative tests in children with short stature
Neuroendocrinology (2011) 93(4):259–64
Effect of body mass index on the growth hormone response to clonidine stimulation testing in children with short stature
Clin Endocrinol (Oxf) (2011) 74(6):726–31
doi: 10.1111/j.1365-2265.2011.03988.x
Body composition with dual energy X-ray absorptiometry: from basics to new tools
Quant Imaging Med Surg (2020) 10(8):1687–98
60. World Health Organization, Division of Noncommunicable Diseases & World Health Organization, Programme of Nutrition Family and Reproductive Health. Obesity: preventing and managing the global epidemic: report of a WHO consultation on obesity, Geneva, 3-5 June 1997 (1998). Available at: https://apps.who.int/iris/handle/10665/63854 (Accessed August 25
Google Scholar
Piacentini G and Antoniazzi F (2023) The influence of growth hormone on pediatric body composition: A systematic review
Received: 09 November 2022; Accepted: 30 January 2023;Published: 09 February 2023
Copyright © 2023 Ferruzzi, Vrech, Pietrobelli, Cavarzere, Zerman, Guzzo, Flodmark, Piacentini and Antoniazzi. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY)
*Correspondence: Angelo Pietrobelli, YW5nZWxvLnBpZXRyb2JlbGxpQHVuaXZyLml0
†These authors have contributed equally to this work
News and entertainment worth sharing – York and North Yorkshire
A York war hero who was killed when his Spitfire was shot down over Italy is to finally be laid to rest 74 years later – after archaeologists discovered his body
took off in one of six RAF Spitfires from 111 Squadron from Rimini Airfield on March 5
with barges moored on a canal close to Venice their target
His plane was hit by anti-aircraft fire and crashed close to the village of Cavarzere in north east Italy
But in October 2017 his remains and the wreckage of his plane were discovered by members of the Romagna Air Finders
an organisation which recovers Second World War aircraft
WO Coates will be laid to rest at Padua War Cemetery on March 27
By early 1945 he was flying Spitfire Mark 1Xs with 111 Squadron
He was based near Rimini supporting operations to drive the German forces out of Italy
On the day of his death he should have been on leave but swapped duties to fly with a team of 6 RAF Spitfires on a mission to target barges
WO Coates was flying a Spitfire Mk IX like this one. Photograph: Chowellson WikipediaHis plane was excavated after the Romagna Air Finders were told by locals an aircraft had crashed near Cavarzere village in the 1940s
An appeal to find his family was launched and his niece, Helen Watts, 65, told the Mail:
Myself and my siblings grew up knowing that our uncle had gone missing towards the end of World War II
It is absolutely amazing that he has been found all these years later
This is the kind of thing that only ever happens to someone else
We had always thought his plane had gone down close to Lake Como
so it was a surprise he was discovered elsewhere
Email YorkMix »
5-6 King's CourtShamblesYork YO1 7LD
You can listen to YorkMix Radio using your DAB+ radio
Click here to listen to YorkMix Radio »
YorkMix is a trading name of York Sound Ltd
Registered in EnglandCompany no: 12831940VAT no: GB289462452
YorkMix Radio public file
Copyright © 2025 YorkMix
Volume 12 - 2021 | https://doi.org/10.3389/fendo.2021.596654
a novel coronavirus leading to potentially death was discovered
the 2019 coronavirus disease (COVID-19) has spread to become a worldwide pandemic
Beyond the risks strictly related to the infection
concerns have been expressed for the endocrinological impact that COVID-19 may have
especially in vulnerable individuals with pre-existing endocrinological health conditions
To date new information is emerging regarding severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) in children but the literature is still scarce concerning this infection in patients with intracranial malignant neoplasms
We report a 9-year-old child infected with SARS-CoV-2 and recent diagnosis of suprasellar non-germinomatous germ cell tumor also suffering from diabetes insipidus and hypothalamic-pituitary failure (hypothyroidism
hypothalamic obesity and growth hormone deficiency) and its clinical course
The patient remained asymptomatic for the duration of the infection without requiring any change in the replacement therapeutic dosages taken before the infection
We then discuss the proposed approach to treat a pediatric patient with SARS-CoV-2 infection and hypothalamic-pituitary failure and we include a review of the literature
Our report suggests that SARS-CoV-2 infection is usually mild and self-limiting in children even those immunocompromised and with multiple endocrinological deficits
Patients are advised to keep any scheduled appointments unless informed otherwise
The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
which first appeared in December 2019 in Wuhan
has caused the coronavirus disease 2019 (COVID-19) related pandemic and has been declared a significant threat to international health by the World Health Organization
evidence suggests that SARS-CoV-2 infection in children with oncological comorbid and endocrinological health problems may be challenging in terms of management and could require complex care
We report the case of a 9-year-old Caucasian female affected by suprasellar non-germinomatous germ cell tumor (NGGCT) associated with multiple pituitary deficit
who tested positive for SARS-CoV-2 an April 1
The girl started therapy with levothyroxine (initially at dosage 25 mcg/day) and desmopressin (initially intranasal
She was given dexamethasone after the MRI to reduce tumoral edema
Over the next few days the patient was found to have “cerebral salt wasting” with hyponatremia
high urinary sodium excretion (129 mmol/L) and persistent polyuria
It was stopped after four days when laboratory tests normalized
levothyroxine and hydrocortisone and the patient had periodical laboratory tests and therapeutic adjustments
Figure 1 Brain magnetic resonance imaging at the time of diagnosis
voluminous expansive lesion at the hypothalamic level (A
FLAIR sequence) with an inhomogeneous structure
hypothalamic-pineal peduncle and mammillary body are not recognizable
Table 1 Laboratory tests and physical examination at the time of diagnosis
In October 2019 chemotherapy according to SIOP CNS GCT II standard risk protocol for non-germinomatous germ cell tumor (NGGCT) was started
The first cycle was complicated by hydrocephalus that required ventricular-peritoneal derivation
the MRI showed a partial response to chemotherapy
The histopathological examination was conclusive for immature teratoma
Follow-up MRI one month after surgery showed a suspected small residual lesion
Chemotherapy with high-dose etoposide was started
From the 8 March, the “lockdown” for all Italy was adopted together with the use of surgical mask, hand hygiene, and social distancing, to prevent the massive spread of SARS-CoV-2; moreover, a screening program by nasopharyngeal swab (NPS) for any patient and caregiver parent accessing the Pediatric Hematology Oncology Unit was started (4)
the patient (and her mother) underwent the NPS and both resulted negative for SARS-CoV-2
She was taking desmopressin (sublingual tablets 60 mcg
levothyroxine at 75 mcg/day and hydrocortisone at 8,92 mg/m2.day divided into 2 doses
Therapy with recombinant GH was not yet started
she suffered from hypothalamic obesity (incontrollable hyperphagia
decreased satiety and decreased physical activity) with massive weight gain
On March 5 she was admitted to the Pediatric Oncology Unit for mobilization chemotherapy with high-dose etoposide and granulocyte colony-stimulating factor (G-CSF) followed by peripheral stem cell collection for autologous stem-cell transplantation (ASCT)
On April 1 she was admitted to the Pediatric Oncology Unit for ASCT
Her weight was 40,9 kg (93,21 percentiles based on Cacciari’s charts) and her height was 120,2 cm (6,08 percentiles based on Cacciari’s charts)
with a BMI of 28,31 kg/m2 (99,06° centiles based on Cacciari’s charts)
The ASCT was performed on April 30 after a conditioning regimen with high dose ifosfamide
The patient engrafted on day + 9 for neutrophil and on day + 12 for platelets and was discharge home in good clinical conditions
In accordance with Verona University and University of Verona Institutional review Board (IRB) policies
case reports are not considered to be research subject to IRB review and are thus except from formal IRB approval for publication
Written informed consent was obtained from the patient’s legal guardians for the publication of any potentially identifiable images or data included in this article
Table 3 Nasopharyngeal swabs with cycle threshold (Ct) value results
Our patient was affected by non-germinomatous germ cell tumor (NGGCT)
hCG levels in plasma and CSF and based on histopathological examination
The girl had secondary adrenal insufficiency
those patients may be taking supraphysiologic doses of glucocorticoids and might be more susceptible to COVID-19 as a result of the immunosuppressive effects of steroids
Our patient had long suspended the high antiedema doses of dexamethasone at the time of infection and she was taking replacement doses of hydrocortisone
We presumed that she was infected through contact with her father at home
and she tested positive regardless of the therapies she was taking
which may be complicated by developing an adrenal crisis
there is currently no evidence that adrenal insufficiency patients are more likely to develop a severe course of the viral disease
Adrenal crisis occurs when cortisol availability is reduced or low at a time of increased need for cortisol
to prevent adrenal crisis patients are instructed to immediately double or triple their daily dose of hydrocortisone during an illness
whereas the dose adjustment during a stress not related to illness
our patient could have been among the most vulnerable; she had a very close follow-up for the superimposed illness without
there is no data in the literature on the increased risk of infections in patients with GH deficiency
Critical illness induced a rise in GH and IGFBP1 and a fall in IGF-I and IGFBP3
we did not perform our patient’s the dosage of GH or IGF-1 considered in the emergency to be of secondary importance
To increase our knowledge in disease mechanisms
we need to learn from clinical and immunologic characteristics of patients with severe in contrast to moderate disease
We interrupted the conditioning regimen in our patient because at the time of diagnosis of infection there was no consensus about chemotherapy in similar patients SARS-CoV-2 positive
so it was reasonable to delay the treatment after the negativity of NPS
the strength of our description is the need to inform the scientific community about this case report
pharmacovigilance and high applicability when other research designs were difficult to carry out
The major limitations were the lack of ability to generalize and the retrospective design
proper methods for viral respiratory infection control and prevention
and considerations of potential therapies relevant to the pituitary disorders and any underlying comorbidities should be undertaken
The caregivers are urged to request for COVID-19 testing for patients if exposed
Even if symptoms are mild or if fever is present contacting the team (the physicians or nurse by telephone
or telemedicine) is mandatory in order to seek medical guidance
and adapt to increased replacement dosages if clinically indicated
Recognizing SARS-CoV-2 as a possible causal trigger of endocrinological failure and its exacerbation is of particular importance to improving its early diagnosis
the aim of our report is to be informative while reassuring at the same time
Our case suggests that SARS-CoV-2-infection is usually mild and self-limiting in children even in those who are immunocompromised
Ethical review and approval was not required for the study on human participants in accordance with the local legislation and institutional requirements
Written informed consent to participate in this study was provided by the participants’ legal guardian/next of kin
RG and VO wrote the first draft of the manuscript
and GP critically reviewed the manuscript for intellectual content
for checking the manuscript for the correct syntax
How important is obesity as a risk factor for respiratory failure
intensive care admission and death in hospitalised COVID-19 patients
COVID-19 in children and adolescents in Europe: a multinational
Lancet Child Adolesc Heal (2020) 4:653–61
Endocrinology in the time of COVID-19: Management of pituitary tumours
Screening for SARS-CoV-2 infection in pediatric oncology patients during the epidemic peak in Italy
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection in Children and Adolescents: A Systematic Review
doi: 10.1001/jamapediatrics.2020.1467
Suprasellar Germinomas: 2 Case Reports and Literature Review
Long-term outcomes and late effects for childhood and young adulthood intracranial germinomas
Our Response to COVID-19 as Endocrinologists and Diabetologists
J Clin Endocrinol Metab (2020) 105:1–3
CrossRef Full Text | Google Scholar
Multisystem morbidity and mortality in cushing’s syndrome: A cohort study
J Clin Endocrinol Metab (2013) 98:2277–84
21-Hydroxylase-Deficient congenital adrenal hyperplasia classic form therapy knowledge and management: targeted educational intervention for paediatricians
Increased Infection Risk in Addison’s Disease and Congenital Adrenal Hyperplasia
J Clin Endocrinol Metab (2020) 105:418–29
Diagnosis and Treatment of Primary Adrenal Insufficiency: An Endocrine Society Clinical Practice Guideline
J Clin Endocrinol Metab (2016) 101:364–89
Endocrinology in the time of COVID-19: Management of Hyponatraemia and Diabetes Insipidus
Eur J Endocrinol (2020) 183(1):G9–15
COVID-19 and the endocrine system: exploring the unexplored
J Endocrinol Invest (2020) 43(7):1027–31
PubMed Abstract | CrossRef Full Text | Google Scholar
Growth Hormone (GH) Deficient Mice with GHRH gene ablation are severely deficient in vaccine and immune responses against streptococcus pneumoniae
How is immunosuppressive status affecting children and adults in SARS-CoV-2 infection
Impacts of immunosuppression and immunodeficiency on COVID-19: A systematic review and meta-analysis
CrossRef Full Text | Google Scholar
Cesaro S and Piacentini G (2021) Case Report: SARS-CoV-2 Infection in a Child With Suprasellar Tumor and Hypothalamic-Pituitary Failure
Received: 20 August 2020; Accepted: 25 February 2021;Published: 16 March 2021
Copyright © 2021 Gaudino, Orlandi, Cavarzere, Chinello, Antoniazzi, Cesaro and Piacentini. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY)
*Correspondence: Rossella Gaudino, cm9zc2VsbGEuZ2F1ZGlub0B1bml2ci5pdA==
This website is using a security service to protect itself from online attacks
The action you just performed triggered the security solution
There are several actions that could trigger this block including submitting a certain word or phrase
You can email the site owner to let them know you were blocked
Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page.