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Tokunaga W, Nagano N, Matsuda K, Nakazaki K, Shimizu S, Okuda K, Aoki R, Fuwa K, Murakami H, Morioka I. Efficacy of Human Recombinant Growth Hormone in Females of a Non-Obese Hyperglycemic Mouse Model after Birth with Low Birth Weight. Int J Mol Sci 2024; 25:6294. [PMID: 38928001 PMCID: PMC11203808 DOI: 10.3390/ijms25126294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 05/29/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
We examined whether the administration of growth hormone (GH) improves insulin resistance in females of a non-obese hyperglycemic mouse model after birth with low birth weight (LBW), given that GH is known to increase muscle mass. The intrauterine Ischemia group underwent uterine artery occlusion for 15 min on day 16.5 of gestation. At 4 weeks of age, female mice in the Ischemia group were divided into the GH-treated (Ischemia-GH) and non-GH-treated (Ischemia) groups. At 8 weeks of age, the glucose metabolism, muscle pathology, and metabolome of liver were assessed. The insulin resistance index improved in the Ischemia-GH group compared with the Ischemia group (p = 0.034). The percentage of type 1 muscle fibers was higher in the Ischemia-GH group than the Ischemia group (p < 0.001); the muscle fiber type was altered by GH. In the liver, oxidative stress factors were reduced, and ATP production was increased in the Ischemia-GH group compared to the Ischemia group (p = 0.014), indicating the improved mitochondrial function of liver. GH administration is effective in improving insulin resistance by increasing the content of type 1 muscle fibers and improving mitochondrial function of liver in our non-obese hyperglycemic mouse model after birth with LBW.
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Affiliation(s)
- Wataru Tokunaga
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Nobuhiko Nagano
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Kengo Matsuda
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Kimitaka Nakazaki
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Shoichi Shimizu
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Koh Okuda
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Ryoji Aoki
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | - Kazumasa Fuwa
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
| | | | - Ichiro Morioka
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan; (W.T.); (K.M.); (K.N.); (S.S.); (K.O.); (R.A.); (K.F.); (I.M.)
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Madeo SF, Zagaroli L, Vandelli S, Calcaterra V, Crinò A, De Sanctis L, Faienza MF, Fintini D, Guazzarotti L, Licenziati MR, Mozzillo E, Pajno R, Scarano E, Street ME, Wasniewska M, Bocchini S, Bucolo C, Buganza R, Chiarito M, Corica D, Di Candia F, Francavilla R, Fratangeli N, Improda N, Morabito LA, Mozzato C, Rossi V, Schiavariello C, Farello G, Iughetti L, Salpietro V, Salvatoni A, Giordano M, Grugni G, Delvecchio M. Endocrine features of Prader-Willi syndrome: a narrative review focusing on genotype-phenotype correlation. Front Endocrinol (Lausanne) 2024; 15:1382583. [PMID: 38737552 PMCID: PMC11082343 DOI: 10.3389/fendo.2024.1382583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024] Open
Abstract
Prader-Willi syndrome (PWS) is a complex genetic disorder caused by three different types of molecular genetic abnormalities. The most common defect is a deletion on the paternal 15q11-q13 chromosome, which is seen in about 60% of individuals. The next most common abnormality is maternal disomy 15, found in around 35% of cases, and a defect in the imprinting center that controls the activity of certain genes on chromosome 15, seen in 1-3% of cases. Individuals with PWS typically experience issues with the hypothalamic-pituitary axis, leading to excessive hunger (hyperphagia), severe obesity, various endocrine disorders, and intellectual disability. Differences in physical and behavioral characteristics between patients with PWS due to deletion versus those with maternal disomy are discussed in literature. Patients with maternal disomy tend to have more frequent neurodevelopmental problems, such as autistic traits and behavioral issues, and generally have higher IQ levels compared to those with deletion of the critical PWS region. This has led us to review the pertinent literature to investigate the possibility of establishing connections between the genetic abnormalities and the endocrine disorders experienced by PWS patients, in order to develop more targeted diagnostic and treatment protocols. In this review, we will review the current state of clinical studies focusing on endocrine disorders in individuals with PWS patients, with a specific focus on the various genetic causes. We will look at topics such as neonatal anthropometry, thyroid issues, adrenal problems, hypogonadism, bone metabolism abnormalities, metabolic syndrome resulting from severe obesity caused by hyperphagia, deficiencies in the GH/IGF-1 axis, and the corresponding responses to treatment.
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Affiliation(s)
- Simona F. Madeo
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Pediatric Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Luca Zagaroli
- Department of Pediatrics, University of L’Aquila, L’Aquila, Italy
| | - Sara Vandelli
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Post-Graduate School of Pediatrics, University of Modena and Reggio Emilia, Modena, Italy
| | - Valeria Calcaterra
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
- Pediatric Department, Buzzi Children’s Hospital, Milano, Italy
| | - Antonino Crinò
- Center for Rare Diseases and Congenital Defects, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Luisa De Sanctis
- Pediatric Endocrinology, Regina Margherita Children Hospital – Department of Public Health and Pediatric Sciences, University of Torino, Torino, Italy
| | - Maria Felicia Faienza
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro”, Bari, Italy
| | - Danilo Fintini
- Prader Willi Reference Center, Endocrinology and Diabetology Unit, Pediatric University Department, IRCCS Bambino Gesù Children Hospital, Rome, Italy
| | - Laura Guazzarotti
- Pediatric Endocrinology Unit, University Hospital of Padova, Padova, Italy
| | - Maria Rosaria Licenziati
- Neuro-endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children’s Hospital, Naples, Italy
| | - Enza Mozzillo
- Department of Translational and Medical Science, Section of Pediatrics, University of Naples Federico II, Naples, Italy
| | - Roberta Pajno
- Pediatric Unit, IRCCS San Raffaele Institute, Milan, Italy
| | - Emanuela Scarano
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Maria E. Street
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Department of Medicine and Surgery, University Hospital of Parma, Parma, Italy
| | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
- Pediatric Unit, Gaetano Martino University Hospital of Messina, Messina, Italy
| | - Sarah Bocchini
- Prader Willi Reference Center, Endocrinology and Diabetology Unit, Pediatric University Department, IRCCS Bambino Gesù Children Hospital, Rome, Italy
| | - Carmen Bucolo
- Pediatric Unit, IRCCS San Raffaele Institute, Milan, Italy
| | - Raffaele Buganza
- Pediatric Endocrinology, Regina Margherita Children Hospital – Department of Public Health and Pediatric Sciences, University of Torino, Torino, Italy
| | - Mariangela Chiarito
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro”, Bari, Italy
| | - Domenico Corica
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
- Pediatric Unit, Gaetano Martino University Hospital of Messina, Messina, Italy
| | - Francesca Di Candia
- Department of Translational and Medical Science, Section of Pediatrics, University of Naples Federico II, Naples, Italy
| | | | - Nadia Fratangeli
- Division of Auxology, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Verbania, Italy
| | - Nicola Improda
- Neuro-endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children’s Hospital, Naples, Italy
| | | | - Chiara Mozzato
- Child and Women Health Department, University of Padova, Padova, Italy
| | - Virginia Rossi
- Pediatric Department, Buzzi Children’s Hospital, Milano, Italy
| | | | - Giovanni Farello
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Pediatric Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Vincenzo Salpietro
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | | | - Mara Giordano
- Laboratory of Genetics, Struttura Complessa a Direzione Universitaria (SCDU) Biochimica Clinica, Ospedale Maggiore della Carità, Novara, Italy
- Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
| | - Graziano Grugni
- Division of Auxology, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Verbania, Italy
| | - Maurizio Delvecchio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
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Miao M, Zhao GQ, Zhou Q, Chao YQ, Zou CC. Orthopedic manifestations in children with Prader-Willi syndrome. BMC Pediatr 2024; 24:118. [PMID: 38355440 PMCID: PMC10865681 DOI: 10.1186/s12887-024-04603-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/30/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is a rare genetic disease often associated with bone problems, mainly scoliosis and hip dysplasia (HD). This study aimed to analyze the clinical characteristics of orthopedic deformities in patients with PWS. METHODS A retrospective study was conducted on 175 patients up to March 2023. The Cobb angle(CA) of the spine, the alpha angle of the hip joint, and the acetabular index (AI) were measured. This study aimed to evaluate the relationship between demographic parameters and bone deformities. RESULTS Scoliosis was found in 66 patients (43.7%), including 52 (78.8%) with mild scoliosis, 10 (15.2%) with moderate scoliosis, and 4 (6.1%) with severe scoliosis. Only seven patients received orthopedic treatment (10.6%). The median age of scoliosis was 4.5 years old, and the prevalence of scoliosis increased rapidly at the age of 5 years and adolescence. The mean CA in this study increased gradually with age. HD was found in 47 patients (38.2%), and 6 patients received orthopedic treatment (12.7%). The median age at HD was 1.8 years old. The mean AI of the study population decreased with age. The prevalence of HD treated with recombinant human growth hormone (rhGH) was low. No significant differences were observed in sex, genotype, body mass index (BMI), obesity rate, or onset of scoliosis and HD. CONCLUSION The prevalence of scoliosis and HD was higher in patients with PWS. The onset age and developmental trends of the different skeletal malformations were different. Early diagnosis and treatment are important for the prognosis and treatment of orthopedic diseases in patients with PWS.
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Affiliation(s)
- Miao Miao
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, No. 3333, Binsheng Road, Hangzhou, 310052, China
| | - Guo-Qiang Zhao
- Department of Emergency Trauma, The Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310052, China
| | - Qiong Zhou
- Hangzhou Children's Hospital, No. 195 Wenhui Road, Hangzhou, 310000, China
| | - Yun-Qi Chao
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, No. 3333, Binsheng Road, Hangzhou, 310052, China
| | - Chao-Chun Zou
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, No. 3333, Binsheng Road, Hangzhou, 310052, China.
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Juriaans AF, Kerkhof GF, Garrelfs M, Trueba-Timmermans D, Hokken-Koelega ACS. Schaaf-Yang Syndrome: Clinical Phenotype and Effects of 4 years of Growth Hormone Treatment. Horm Res Paediatr 2023; 97:148-156. [PMID: 37343528 DOI: 10.1159/000531629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 05/03/2023] [Indexed: 06/23/2023] Open
Abstract
INTRODUCTION Schaaf-Yang syndrome (SYS) is a rare neurodevelopmental disorder caused by truncating mutations of the MAGEL2 gene, located in the Prader-Willi syndrome (PWS) region. PWS and SYS have phenotypic overlap. Patients with SYS are often treated with growth hormone (GH), but evidence for the effectiveness of the treatment in patients with SYS is limited. METHODS This study describes 7 children with SYS. We studied their phenotype, genotype, and the effect of GH treatment on height and body mass index (BMI) during 4 years and on body composition during 1 year. RESULTS All patients had a normal birth weight. Most patients had hypotonia and feeding difficulties after birth (86%). Full-scale IQ ranged from <50 to 92. All patients above the age of 2 years had psycho-behavioral problems. There were no apparent correlations between the phenotype and the location of the defect in the MAGEL2 gene. Mean (95% CI) height SDS increased significantly from -1.74 (-3.55; 0.07) at start to -0.05 (-1.87; 1.77) after 4 years of GH treatment. Mean (95% CI) BMI SDS decreased significantly from 2.01 (1.02; 3.00) to 1.22 (0.18; 2.26) after 6 months and remained the same during the rest of the follow-up. Fat mass percentage SDS decreased and lean body mass did not change during 1 year of treatment in 3 patients. CONCLUSION Patients presented with a phenotype of hypotonia, respiratory insufficiency, and feeding difficulties after birth, endocrine disorders, intellectual disability, and behavioral problems. Treatment with GH significantly improved height SDS and BMI over the course of 4 years.
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Affiliation(s)
- Alicia F Juriaans
- Dutch Reference Center for Prader-Willi Syndrome/Prader-Willi-like, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - Gerthe F Kerkhof
- Dutch Reference Center for Prader-Willi Syndrome/Prader-Willi-like, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Mark Garrelfs
- Department of Pediatric Endocrinology, Emma Children's Hospital, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Demi Trueba-Timmermans
- Dutch Reference Center for Prader-Willi Syndrome/Prader-Willi-like, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - Anita C S Hokken-Koelega
- Dutch Reference Center for Prader-Willi Syndrome/Prader-Willi-like, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
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Circulating Levels of Nesfatin-1 and Spexin in Children with Prader-Willi Syndrome during Growth Hormone Treatment and Dietary Intervention. Nutrients 2023; 15:nu15051240. [PMID: 36904239 PMCID: PMC10005720 DOI: 10.3390/nu15051240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Despite observable improvement in the treatment outcomes of patients with Prader-Willi syndrome (PWS), adequate weight control is still a clinical problem. Therefore, the aim of this study was to analyze the profiles of neuroendocrine peptides regulating appetite-mainly nesfatin-1 and spexin-in children with PWS undergoing growth hormone treatment and reduced energy intake. METHODS Twenty-five non-obese children (aged 2-12 years) with PWS and 30 healthy children of the same age following an unrestricted age-appropriate diet were examined. Serum concentrations of nesfatin-1, spexin, leptin, leptin receptor, total adiponectin, high molecular weight adiponectin, proinsulin, insulin-like growth factor-I, and total and functional IGF-binding protein-3 concentrations were determined using immunoenzymatic methods. RESULTS The daily energy intake in children with PWS was lower by about 30% (p < 0.001) compared with the controls. Daily protein intake was similar in both groups, but carbohydrate and fat intakes were significantly lower in the patient group than the controls (p < 0.001). Similar values for nesfatin-1 in the PWS subgroup with BMI Z-score < -0.5 and the control group, while higher values in the PWS subgroup with BMI Z-score ≥ -0.5 (p < 0.001) were found. Spexin concentrations were significantly lower in both subgroups with PWS than the controls (p < 0.001; p = 0.005). Significant differences in the lipid profile between the PWS subgroups and the controls were also observed. Nesfatin-1 and leptin were positively related with BMI (p = 0.018; p = 0.001, respectively) and BMI Z-score (p = 0.031; p = 0.027, respectively) in the whole group with PWS. Both neuropeptides also correlated positively in these patients (p = 0.042). CONCLUSIONS Altered profiles of anorexigenic peptides-especially nesfatin-1 and spexin-in non-obese children with Prader-Willi syndrome during growth hormone treatment and reduced energy intake were found. These differences may play a role in the etiology of metabolic disorders in Prader-Willi syndrome despite the applied therapy.
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Gaston LS, Stafford DE. Premature adrenarche in Prader-Willi syndrome is associated with accelerated pre-pubertal growth and advanced bone age. J Pediatr Endocrinol Metab 2023; 36:185-194. [PMID: 36458449 PMCID: PMC10103844 DOI: 10.1515/jpem-2022-0468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/11/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVES Prader-Willi syndrome (PWS) is characterized by obesity, growth hormone deficiency, hypogonadism, and a high prevalence of premature adrenarche despite reported hypothalamic-pituitary-adrenal axis dysfunction. While idiopathic premature adrenarche is associated with accelerated pre-pubertal growth and advanced bone age, the consequences of elevated adrenal androgens on growth and bone maturation in PWS remain unknown. This study therefore sought to describe age-related changes in dehydroepiandrosterone sulfate (DHEAS) and their effects on growth and bone maturation in PWS. METHODS This retrospective observational study included 62 children with PWS. Simple and multiple regression models were constructed to relate age and BMI-SDS with DHEAS levels. Height velocity was compared to age and sex-based norms with t-tests and two-way ANOVA. Patterns in bone age Z-score were examined with two-way ANOVA, and the contributions of age, BMI-SDS, and DHEAS to bone age Z-score were analyzed with multiple regression. RESULTS DHEAS levels rose earlier and were less strongly correlated with age in males and females with PWS (R2=0.12 and 0.30) compared to healthy controls (R2=0.89 and 0.88) in a pattern unrelated to BMI-SDS (adjusted R2=0.076, p=0.10 for age, and 0.29 for BMI-SDS). Mid-childhood height velocity was increased in males and preserved in females with PWS before declining at the age of expected puberty (p<0.0001). Peri-adrenarchal bone age was advanced in a manner associated with DHEAS but not BMI-SDS (p<0.0001; adjusted R2=0.48, p=0.0014 for DHEAS, and 0.78 for BMI-SDS). CONCLUSIONS An obesity-independent increase in adrenal androgens is associated with accelerated mid-childhood growth and bone maturation in PWS.
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Affiliation(s)
- Lindsey S Gaston
- Department of Pediatrics, Division of Endocrinology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Diane E Stafford
- Department of Pediatrics, Division of Endocrinology and Diabetes, Stanford University School of Medicine, Palo Alto, CA, USA
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Gao Y, Yang LL, Dai YL, Shen Z, Zhou Q, Zou CC. Effects of early recombinant human growth hormone treatment in young Chinese children with Prader-Willi syndrome. Orphanet J Rare Dis 2023; 18:25. [PMID: 36750945 PMCID: PMC9906936 DOI: 10.1186/s13023-023-02615-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 01/15/2023] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is a rare and multisystemic genetic disorder that is characterized by severe hypotonia, hyperphagia, short stature, and global developmental delay. Although early recombinant human growth hormone (rhGH) treatment has been proven to rescue some symptoms and bring additional benefits to PWS patients, studies in patients under 2 years old are scarce. Thus, this study aims to investigate the effectiveness and safety of rhGH treatment for young children. METHODS A total of 96 genetically confirmed Chinese PWS infants or toddlers (47 males) followed between 2013 and 2022 were retrospectively analyzed. Sixty-five infants (early treatment group) started rhGH treatment during their first year, and 31 toddlers (later treatment group) started at the age of 1-2 years. Auxological parameters, carbohydrate metabolism parameters, thyroid function, liver function, insulin-like growth factor-1 (IGF-1), and radiographs were acquired before the initiation of the treatment and every 3-6 months thereafter. Height/length, weight, and weight for height were expressed as standard deviation scores (SDSs) according to WHO child growth standards. RESULTS The mean SDS of length/height in the early treatment group was significantly higher than that in the later treatment group throughout the observation period (all P < 0.001). The change in the length SDS between the two groups at 1 year old and 4 years old was 1.50 (95% CI, 0.88-2.13) and 0.63 (95% CI, 0.16-1.10), respectively. Compared to the later treatment group, the weight SDS in the early treatment group increased by 0.94 (95% CI, 0.37-1.52) at 1 year old and 0.84 (95% CI, 0.28-1.39) at 2 years old. No statistical significance was found after 2.5 years of age. No significant differences were observed in IGF-1, incidence of liver dysfunction, hypothyroidism or spinal deformity between the two groups. CONCLUSIONS rhGH treatment improved growth and body composition in infants and toddlers. Furthermore, an early start of rhGH treatment is expected to have more efficacy than the later treatment group without an increase in adverse effects.
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Affiliation(s)
- Ying Gao
- grid.411360.1The Children’s Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051 China
| | - Li-Li Yang
- grid.411360.1The Children’s Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051 China
| | - Yang-Li Dai
- grid.411360.1The Children’s Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051 China
| | - Zheng Shen
- grid.411360.1The Children’s Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051 China
| | - Qiong Zhou
- The Children's Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051, China. .,Hangzhou children's Hospital, No. 195 Wenhui Road, Hangzhou, 310000, China.
| | - Chao-Chun Zou
- The Children's Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310051, China.
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Wong SB, Yang MC, Tzeng IS, Tsai WH, Lan CC, Tsai LP. Progression of Obstructive Sleep Apnea Syndrome in Pediatric Patients with Prader-Willi Syndrome. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9060912. [PMID: 35740849 PMCID: PMC9221549 DOI: 10.3390/children9060912] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022]
Abstract
Obstructive sleep apnea syndrome (OSAS) is one of the most common comorbidities in patients with Prader-Willi syndrome (PWS) and causes significant consequences. This observational study was conducted to investigate the progression of OSAS in pediatric patients with PWS, who had not undergone upper airway surgery, through a longitudinal follow-up of their annual polysomnography results. Annual body mass index (BMI), BMI z-score, sleep efficiency and stages, central apnea index (CAI), obstructive apnea-hypopnea index (OAHI), and oxygen saturation nadir values were longitudinally analyzed. At enrollment, of 22 patients (10 boys and 12 girls) aged 11.7 ± 3.9 years, 20 had OSAS. During the 4-year follow-up, only two patients had a spontaneous resolution of OSAS. The average BMI and BMI z-score increased gradually, but CAI and OAHI showed no significant differences. After statistical adjustment for sex, age, genotype, growth hormone use, and BMI z-score, OAHI was associated with the BMI z-score and deletion genotype. In conclusion, OSAS is common in patients with PWS, and rarely resolved spontaneously. Watchful waiting may not be the best OSAS management strategy. Weight maintenance and careful selection of surgical candidates are important for OSAS treatment in patients with PWS.
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Affiliation(s)
- Shi-Bing Wong
- Department of Pediatrics, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan; (S.-B.W.); (W.-H.T.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan; (M.-C.Y.); (C.-C.L.)
| | - Mei-Chen Yang
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan; (M.-C.Y.); (C.-C.L.)
- Division of Pulmonary Medicine, Department of Internal Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
| | - I-Shiang Tzeng
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan;
| | - Wen-Hsin Tsai
- Department of Pediatrics, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan; (S.-B.W.); (W.-H.T.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan; (M.-C.Y.); (C.-C.L.)
| | - Chou-Chin Lan
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan; (M.-C.Y.); (C.-C.L.)
- Division of Pulmonary Medicine, Department of Internal Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
| | - Li-Ping Tsai
- Department of Pediatrics, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan; (S.-B.W.); (W.-H.T.)
- School of Medicine, Tzu Chi University, Hualien 97004, Taiwan; (M.-C.Y.); (C.-C.L.)
- Correspondence:
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9
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Yang-Li D, Fei-Hong L, Hui-Wen Z, Ming-Sheng M, Xiao-Ping L, Li L, Yi W, Qing Z, Yong-Hui J, Chao-Chun Z. Recommendations for the diagnosis and management of childhood Prader-Willi syndrome in China. Orphanet J Rare Dis 2022; 17:221. [PMID: 35698200 PMCID: PMC9195308 DOI: 10.1186/s13023-022-02302-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/23/2022] [Indexed: 11/28/2022] Open
Abstract
Prader-Willi syndrome (PWS) is a complex and multisystem neurobehavioral disease, which is caused by the lack of expression of paternally inherited imprinted genes on chromosome15q11.2-q13.1. The clinical manifestations of PWS vary with age. It is characterized by severe hypotonia with poor suck and feeding difficulties in the early infancy, followed by overeating in late infancy or early childhood and progressive development of morbid obesity unless the diet is externally controlled. Compared to Western PWS patients, Chinese patients have a higher ratio of deletion type. Although some rare disease networks, including PWS Cooperation Group of Rare Diseases Branch of Chinese Pediatric Society, Zhejiang Expert Group for PWS, were established recently, misdiagnosis, missed diagnosis and inappropriate intervention were usually noted in China. Therefore, there is an urgent need for an integrated multidisciplinary approach to facilitate early diagnosis and optimize management to improve quality of life, prevent complications, and prolong life expectancy. Our purpose is to evaluate the current literature and evidences on diagnosis and management of PWS in order to provide evidence-based guidelines for this disease, specially from China.
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Affiliation(s)
- Dai Yang-Li
- Children's Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310003, China
| | - Luo Fei-Hong
- Children's Hospital of Fudan University, Shanghai, China
| | - Zhang Hui-Wen
- Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ma Ming-Sheng
- Peking Union Medical College Hospital, Beijing, China
| | - Luo Xiao-Ping
- Tongji Hospital, Tongji Medical College of HUST, Wuhan, China
| | - Liu Li
- Guangzhou Women and Children's Medical Center, Guangzhou, China
| | - Wang Yi
- Children's Hospital of Fudan University, Shanghai, China
| | - Zhou Qing
- Fujian Children's Hospital, Fuzhou, China
| | - Jiang Yong-Hui
- Yale University, 69 Lexington Gardens, Northern Haven, CT, 06473, USA.
| | - Zou Chao-Chun
- Children's Hospital of Zhejiang University School of Medicine, No. 3333 Binsheng Road, Hangzhou, 310003, China.
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10
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Erhardt É, Molnár D. Prader–Willi Syndrome: Possibilities of Weight Gain Prevention and Treatment. Nutrients 2022; 14:nu14091950. [PMID: 35565916 PMCID: PMC9103725 DOI: 10.3390/nu14091950] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/27/2022] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Abstract
Prader–Willi syndrome (PWS) is a complex genetic disorder which involves the endocrine and neurologic systems, metabolism, and behavior. The aim of this paper is to summarize current knowledge on dietary management and treatment of PWS and, in particular, to prevent excessive weight gain. Growth hormone (GH) therapy is the recommended standard treatment for PWS children, because it improves body composition (by changing the proportion of body fat and lean body mass specifically by increasing muscle mass and energy expenditure), linear growth, and in infants, it promotes psychomotor and IQ development. In early childhood, the predominant symptom is hyperphagia which can lead to early onset, severe obesity with different obesity-related comorbidities. There are several studies on anti-obesity medications (metformin, topiramate, liraglutide, setmelanotide). However, these are still limited, and no widely accepted consensus guideline exists concerning these drugs in children with PWS. Until there is a specific treatment for hyperphagia and weight gain, weight must be controlled with the help of diet and exercise. Below the age of one year, children with PWS have no desire to eat and will often fail to thrive, despite adequate calories. After the age of two years, weight begins to increase without a change in calorie intake. Appetite increases later, gradually, and becomes insatiable. Managing the progression of different nutritional phases (0–4) is really important and can delay the early onset of severe obesity. Multidisciplinary approaches are crucial in the diagnosis and lifelong follow-up, which will determine the quality of life of these patients.
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Affiliation(s)
- Éva Erhardt
- Department of Paediatrics, Medical School, University of Pécs, H-7623 Pécs, Hungary;
- Correspondence: ; Tel.: +36-72-536-000 (ext. 38711); Fax: +36-72-535-971
| | - Dénes Molnár
- Department of Paediatrics, Medical School, University of Pécs, H-7623 Pécs, Hungary;
- National Laboratory for Human Reproduction, Szentágothai Research Centre, University of Pécs, H-7623 Pécs, Hungary
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11
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Grootjen LN, Trueba-Timmermans DJ, Damen L, Mahabier EF, Kerkhof GF, Hokken-Koelega ACS. Long-Term Growth Hormone Treatment of Children with PWS: The Earlier the Start, the Better the Outcomes? J Clin Med 2022; 11:jcm11092496. [PMID: 35566622 PMCID: PMC9105093 DOI: 10.3390/jcm11092496] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/22/2022] [Accepted: 04/27/2022] [Indexed: 01/28/2023] Open
Abstract
Long-term effects of growth hormone (GH) treatment in young children with Prader-Willi syndrome (PWS) have never been compared with untreated age-matched controls with PWS, and it is unclear if starting GH in the first year of life is safe and more effective than starting GH in early childhood. We investigated the effects of long-term GH on body composition, anthropometrics and cognition in young children with PWS compared to untreated controls and assessed whether starting GH in the first year of life is optimal and safe. An open-label, prospective study was performed, comparing GH-treated children with untreated controls, and comparing children who started GH in the first year of life (subgroup A) with children who started between 2–5 years (subgroup C). A total of 82 GH-treated children with PWS and 22 age-matched controls with PWS were included. The main outcome measures were body composition, anthropometrics, IQ, and safety parameters. After 8 years, GH-treated children had significantly better body composition and were taller than age-matched controls. Subgroup A had a lower FM% trajectory during treatment than subgroup C and showed a greater and longer-term increase in the LBM index. After 8 years, subgroup A had a lower trunk/peripheral fat ratio (p = 0.043) and higher IQ (p = 0.043). No adverse effects of starting GH in the first year were found. Children with PWS who received long-term GH had a better body composition and growth than untreated age-matched controls and starting GH in the first year of life was optimal and safe.
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Affiliation(s)
- Lionne N. Grootjen
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, 3015 CN Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
- Correspondence: ; Tel.: +31-102-251-533
| | - Demi J. Trueba-Timmermans
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, 3015 CN Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Layla Damen
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, 3015 CN Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Eva F. Mahabier
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Gerthe F. Kerkhof
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, 3015 CN Rotterdam, The Netherlands
| | - Anita C. S. Hokken-Koelega
- Dutch Reference Center for Prader-Willi Syndrome, 3015 CN Rotterdam, The Netherlands; (D.J.T.-T.); (L.D.); (E.F.M.); (G.F.K.); (A.C.S.H.-K.)
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, 3015 CN Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
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12
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Juriaans AF, Kerkhof GF, Hokken-Koelega ACS. The Spectrum of the Prader-Willi-like Pheno- and Genotype: A Review of the Literature. Endocr Rev 2022; 43:1-18. [PMID: 34460908 DOI: 10.1210/endrev/bnab026] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Indexed: 12/16/2022]
Abstract
Prader-Willi syndrome (PWS) is a rare genetic syndrome, caused by the loss of expression of the paternal chromosome 15q11-q13 region. Over the past years, many cases of patients with characteristics similar to PWS, but without a typical genetic aberration of the 15q11-q13 region, have been described. These patients are often labelled as Prader-Willi-like (PWL). PWL is an as-yet poorly defined syndrome, potentially affecting a significant number of children and adults. In the current clinical practice, patients labelled as PWL are mostly left without treatment options. Considering the similarities with PWS, children with PWL might benefit from the same care and treatment as children with PWS. This review gives more insight into the pheno- and genotype of PWL and includes 86 papers, containing 368 cases of patients with a PWL phenotype. We describe mutations and aberrations for consideration when suspicion of PWS remains after negative testing. The most common genetic diagnoses were Temple syndrome (formerly known as maternal uniparental disomy 14), Schaaf-Yang syndrome (truncating mutation in the MAGEL2 gene), 1p36 deletion, 2p deletion, 6q deletion, 6q duplication, 15q deletion, 15q duplication, 19p deletion, fragile X syndrome, and Xq duplication. We found that the most prevalent symptoms in the entire group were developmental delay/intellectual disability (76%), speech problems (64%), overweight/obesity (57%), hypotonia (56%), and psychobehavioral problems (53%). In addition, we propose a diagnostic approach to patients with a PWL phenotype for (pediatric) endocrinologists. PWL comprises a complex and diverse group of patients, which calls for multidisciplinary care with an individualized approach.
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Affiliation(s)
- Alicia F Juriaans
- National Reference Center for Prader-Willi Syndrome and Prader-Willi-like, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus Medical Center, The Netherlands.,Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - Gerthe F Kerkhof
- National Reference Center for Prader-Willi Syndrome and Prader-Willi-like, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus Medical Center, The Netherlands
| | - Anita C S Hokken-Koelega
- National Reference Center for Prader-Willi Syndrome and Prader-Willi-like, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus Medical Center, The Netherlands.,Dutch Growth Research Foundation, Rotterdam, The Netherlands
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13
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Rosenberg AGW, Passone CGB, Pellikaan K, Damiani D, van der Lely AJ, Polak M, Bernardo WM, de Graaff LCG. Growth Hormone Treatment for Adults With Prader-Willi Syndrome: A Meta-Analysis. J Clin Endocrinol Metab 2021; 106:3068-3091. [PMID: 34105729 PMCID: PMC8475230 DOI: 10.1210/clinem/dgab406] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Features of Prader-Willi syndrome (PWS) overlap with features of growth hormone (GH) deficiency, like small hands and feet, short stature, increased body fat, and low muscle mass and strength. In children with PWS, GH treatment (GHt) improves physical health and cognition. GHt has become the standard of care in PWS children, but in adults this is not yet the case. OBJECTIVE This work aims to provide an overview of the current knowledge on GHt in PWS adults. METHODS Medline, Embase, and the Cochrane Central Register of Controlled Trials databases were searched. Study selection included randomized clinical trials (RCTs) and nonrandomized (un)controlled trials (NRCTs) that reported data for adults with PWS, who received GHt for at least 6 months. Data on body composition, body mass index (BMI), cardiovascular end points, bone, cognitive function, quality of life, and safety were extracted. RESULTS Nine RCTs and 20 NRCTs were included. Body composition improved during 12 months of GHt with an increase in mean (95% CI) lean body mass of 1.95 kg (0.04 to 3.87 kg) and a reduction of mean (95% CI) fat mass of -2.23% (-4.10% to -0.36%). BMI, low-density lipoprotein cholesterol levels, fasting glucose levels, and bone mineral density did not change during GHt. There were no major safety issues. CONCLUSION GHt appears to be safe and improves body composition in adults with PWS. Because poor body composition is closely linked to the observed high incidence of cardiovascular morbidity in adults with PWS, improving body composition might reduce cardiovascular complications in this vulnerable patient group.
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Affiliation(s)
- Anna G W Rosenberg
- Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, the Netherlands
- Dutch Centre of Reference for Prader-Willi syndrome, the Netherlands
| | - Caroline G B Passone
- Pediatric Endocrinology Unit, Universidade de São Paulo, São Paulo, Brazil
- Pediatric Endocrinology, Gynecology and Diabetology, Centre de Référence des Pathologies Gynécologiques Rares et des Maladies Endocriniennes Rares de la Croissance et du Développement, Hôpital Universitaire Necker Enfants Malades, Université de Paris, 75015 Paris, France
| | - Karlijn Pellikaan
- Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, the Netherlands
- Dutch Centre of Reference for Prader-Willi syndrome, the Netherlands
| | - Durval Damiani
- Pediatric Endocrinology Unit, Universidade de São Paulo, São Paulo, Brazil
| | - Aart J van der Lely
- Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, the Netherlands
| | - Michel Polak
- Pediatric Endocrinology, Gynecology and Diabetology, Centre de Référence des Pathologies Gynécologiques Rares et des Maladies Endocriniennes Rares de la Croissance et du Développement, Hôpital Universitaire Necker Enfants Malades, Université de Paris, 75015 Paris, France
| | | | - Laura C G de Graaff
- Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, the Netherlands
- Dutch Centre of Reference for Prader-Willi syndrome, the Netherlands
- Academic Centre for Growth, Erasmus MC, University Medical Centre Rotterdam, 3015 GD Rotterdam, the Netherlands
- Correspondence: Laura C. G. de Graaff, MD, PhD, Department of Internal Medicine-Endocrinology, Erasmus University Medical Centre, Dr. Molewaterplein 40, 3015 GD Rotterdam, the Netherlands.
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14
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Pellikaan K, Rosenberg AGW, Davidse K, Kattentidt-Mouravieva AA, Kersseboom R, Bos-Roubos AG, Grootjen LN, Damen L, van den Berg SAA, van der Lely AJ, Hokken-Koelega ACS, de Graaff LCG. Effects of Childhood Multidisciplinary Care and Growth Hormone Treatment on Health Problems in Adults with Prader-Willi Syndrome. J Clin Med 2021; 10:jcm10153250. [PMID: 34362034 PMCID: PMC8347981 DOI: 10.3390/jcm10153250] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 12/26/2022] Open
Abstract
Prader-Willi syndrome (PWS) is a complex hypothalamic disorder. Features of PWS include hyperphagia, hypotonia, intellectual disability, and pituitary hormone deficiencies. The combination of growth hormone treatment and multidisciplinary care (GHMDc) has greatly improved the health of children with PWS. Little is known about the effects of childhood GHMDc on health outcomes in adulthood. We retrospectively collected clinical data of 109 adults with PWS. Thirty-nine had received GHMDc during childhood and adolescence (GHMDc+ group) and sixty-three had never received growth hormone treatment (GHt) nor multidisciplinary care (GHMDc− group). Our systematic screening revealed fewer undetected health problems in the GHMDc+ group (10%) than in the GHMDc− group (84%). All health problems revealed in the GHMDc+ group had developed between the last visit to the paediatric and the first visit to the adult clinic and/or did not require treatment. Mean BMI and the prevalence of diabetes mellitus type 2 were significantly lower in the GHMDc+ group compared to the GHMDc− group. As all patients who received GHt were treated in a multidisciplinary setting, it is unknown which effects are the result of GHt and which are the result of multidisciplinary care. However, our data clearly show that the combination of both has beneficial effects. Therefore, we recommend continuing GHMDc after patients with PWS have reached adult age.
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Affiliation(s)
- Karlijn Pellikaan
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
- Department of Internal Medicine, Division of Endocrinology, Center for Adults with Rare Genetic Syndromes, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Anna G. W. Rosenberg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
- Department of Internal Medicine, Division of Endocrinology, Center for Adults with Rare Genetic Syndromes, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Kirsten Davidse
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
- Department of Internal Medicine, Division of Endocrinology, Center for Adults with Rare Genetic Syndromes, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | | | - Rogier Kersseboom
- Stichting Zuidwester, 3241 LB Middelharnis, The Netherlands; (A.A.K.-M.); (R.K.)
| | - Anja G. Bos-Roubos
- Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, 5803 AC Venray, The Netherlands;
| | - Lionne N. Grootjen
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Centre—Sophia Children’s Hospital, 3015 GD Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Layla Damen
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Centre—Sophia Children’s Hospital, 3015 GD Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Sjoerd A. A. van den Berg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
- Department of Clinical Chemistry, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Aart J. van der Lely
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
| | - Anita C. S. Hokken-Koelega
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Centre—Sophia Children’s Hospital, 3015 GD Rotterdam, The Netherlands
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
| | - Laura C. G. de Graaff
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands; (K.P.); (A.G.W.R.); (K.D.); (S.A.A.v.d.B.); (A.J.v.d.L.)
- Department of Internal Medicine, Division of Endocrinology, Center for Adults with Rare Genetic Syndromes, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, 3015 GD Rotterdam, The Netherlands; (L.N.G.); (L.D.); (A.C.S.H.-K.)
- Academic Centre for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Correspondence: ; Tel.: +31-6188-43010
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15
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Lecka-Ambroziak A, Wysocka-Mincewicz M, Doleżal-Ołtarzewska K, Zygmunt-Górska A, Wędrychowicz A, Żak T, Noczyńska A, Birkholz-Walerzak D, Stawerska R, Hilczer M, Obara-Moszyńska M, Rabska-Pietrzak B, Gołębiowska E, Dudek A, Petriczko E, Szalecki M. Effects of Recombinant Human Growth Hormone Treatment, Depending on the Therapy Start in Different Nutritional Phases in Paediatric Patients with Prader-Willi Syndrome: A Polish Multicentre Study. J Clin Med 2021; 10:jcm10143176. [PMID: 34300343 PMCID: PMC8305342 DOI: 10.3390/jcm10143176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 12/14/2022] Open
Abstract
Recombinant human growth hormone (rhGH) treatment is an established management in patients with Prader-Willi syndrome (PWS), with growth promotion and improvement in body composition and possibly the metabolic state. We compared anthropometric characteristics, insulin-like growth factor 1 (IGF1) levels, metabolic parameters and the bone age/chronological age index (BA/CA) in 147 children with PWS, divided according to age of rhGH start into four groups, corresponding to nutritional phases in PWS. We analysed four time points: baseline, rhGH1 (1.21 ± 0.81 years), rhGH2 (3.77 ± 2.17 years) and rhGH3 (6.50 ± 2.92 years). There were no major differences regarding height SDS between the groups, with a higher growth velocity (GV) (p = 0.00) and lower body mass index (BMI) SDS (p < 0.05) between the first and older groups during almost the whole follow-up. IGF1 SDS values were lower in group 1 vs. other groups at rhGH1 and vs. groups 2 and 3 at rhGH2 (p < 0.05). Glucose metabolism parameters were favourable in groups 1 and 2, and the lipid profile was comparable in all groups. BA/CA was similar between the older groups. rhGH therapy was most effective in the youngest patients, before the nutritional phase of increased appetite. We did not observe worsening of metabolic parameters or BA/CA advancement in older patients during a comparable time of rhGH therapy.
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Affiliation(s)
- Agnieszka Lecka-Ambroziak
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, 04-730 Warsaw, Poland; (M.W.-M.); (M.S.)
- Correspondence: (A.L.-A.); (A.W.)
| | - Marta Wysocka-Mincewicz
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, 04-730 Warsaw, Poland; (M.W.-M.); (M.S.)
| | - Katarzyna Doleżal-Ołtarzewska
- Department of Paediatric and Adolescent Endocrinology, University Children’s Hospital, Jagiellonian University, 30-663 Krakow, Poland; (K.D.-O.); (A.Z.-G.)
| | - Agata Zygmunt-Górska
- Department of Paediatric and Adolescent Endocrinology, University Children’s Hospital, Jagiellonian University, 30-663 Krakow, Poland; (K.D.-O.); (A.Z.-G.)
| | - Anna Wędrychowicz
- Department of Paediatric and Adolescent Endocrinology, University Children’s Hospital, Jagiellonian University, 30-663 Krakow, Poland; (K.D.-O.); (A.Z.-G.)
- Correspondence: (A.L.-A.); (A.W.)
| | - Teresa Żak
- Department of Endocrinology and Diabetology of Children and Adolescents, Wroclaw Medical University, 50-368 Wroclaw, Poland; (T.Ż.); (A.N.)
| | - Anna Noczyńska
- Department of Endocrinology and Diabetology of Children and Adolescents, Wroclaw Medical University, 50-368 Wroclaw, Poland; (T.Ż.); (A.N.)
| | - Dorota Birkholz-Walerzak
- Department of Paediatrics, Diabetology and Endocrinology, Medical University of Gdansk, 80-952 Gdansk, Poland;
| | - Renata Stawerska
- Department of Endocrinology and Metabolic Diseases, Polish Mother’s Memorial Hospital-Research Institute, 93-338 Lodz, Poland; (R.S.); (M.H.)
| | - Maciej Hilczer
- Department of Endocrinology and Metabolic Diseases, Polish Mother’s Memorial Hospital-Research Institute, 93-338 Lodz, Poland; (R.S.); (M.H.)
| | - Monika Obara-Moszyńska
- Department of Paediatric Endocrinology and Rheumatology, Institute of Paediatrics, Poznan University of Medical Sciences, 60-572 Poznan, Poland; (M.O.-M.); (B.R.-P.)
| | - Barbara Rabska-Pietrzak
- Department of Paediatric Endocrinology and Rheumatology, Institute of Paediatrics, Poznan University of Medical Sciences, 60-572 Poznan, Poland; (M.O.-M.); (B.R.-P.)
| | - Elżbieta Gołębiowska
- II Clinic of Paediatrics, Endocrinology and Paediatric Diabetology, Clinical Regional Hospital No 2, 35-301 Rzeszow, Poland; (E.G.); (A.D.)
| | - Adam Dudek
- II Clinic of Paediatrics, Endocrinology and Paediatric Diabetology, Clinical Regional Hospital No 2, 35-301 Rzeszow, Poland; (E.G.); (A.D.)
| | - Elżbieta Petriczko
- Department of Paediatrics, Endocrinology, Diabetology, Metabolic Disorders and Cardiology of Developmental Age, Pomeranian Medical University, 71-242 Szczecin, Poland;
| | - Mieczysław Szalecki
- Department of Endocrinology and Diabetology, The Children’s Memorial Health Institute, 04-730 Warsaw, Poland; (M.W.-M.); (M.S.)
- Collegium Medicum, Jan Kochanowski University, 25-317 Kielce, Poland
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16
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Zimmermann M, Laemmer C, Woelfle J, Fimmers R, Gohlke B. Sleep-Disordered Breathing in Children with Prader-Willi Syndrome in Relation to Growth Hormone Therapy Onset. Horm Res Paediatr 2021; 93:85-93. [PMID: 32535587 DOI: 10.1159/000506943] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 02/29/2020] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim of this study was to consider sleep apnea in Prader-Willi syndrome (PWS) children depending on age at growth hormone (GH) therapy onset. STUDY DESIGN We analyzed longitudinally cardiorespiratory polygraphy of 62 PWS children (aged 0-2.5 years at baseline). Twenty-one children (Group A) started GH-therapy during and 41 children (Group B) after their first year of life. Data were acquired before, at 3 and 6 months, then 1.2, 2.2, and 3.2 years after GH onset. Outcomes were determined with the obstructive apnea hypopnea index (OAHI), central apnea index (CAI), oxygen desaturation index (ODI), and by measuring obstructive sleep apnea (OSA) and peripheral blood oxygen saturation (SpO2). RESULTS We observed no significant differences in OAHI, CAI, ODI, and SpO2 depending on treatment onset. At baseline, 5/21 patients (23.8%) in Group A versus 15/41 patients (36.6%) in Group B showed pathological sleep apnea (OAHI ≥1.5). Pathological OSA increased significantly in Group A during the first 3 months of therapy but dropped below baseline after 1 year in both groups. ODI changed during GH therapy in both groups (from 4.0 to 2.6 in Group A, and 3.6 to 1.6 in Group B; baseline to 3.2 years; p < 0.05). CONCLUSIONS OSA in PWS children appears to develop independently of treatment onset. Treatment may therefore safely be initiated early but should be accompanied by regular sleep analysis.
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Affiliation(s)
- Maja Zimmermann
- Pediatric Endocrinology and Diabetology, Children's Hospital, University of Bonn, Bonn, Germany
| | - Constanze Laemmer
- Pediatric Endocrinology and Diabetology, St. Bernward Hospital, Hildesheim, Germany
| | | | - Rolf Fimmers
- University Hospital of Bonn, Institute for Medical Biometry, Bonn, Germany
| | - Bettina Gohlke
- Pediatric Endocrinology and Diabetology, Children's Hospital, University of Bonn, Bonn, Germany,
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17
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Hebach NR, Caro P, Martin-Giacalone BA, Lupo PJ, Marbach F, Choukair D, Schaaf CP. A retrospective analysis of growth hormone therapy in children with Schaaf-Yang syndrome. Clin Genet 2021; 100:298-307. [PMID: 34013972 DOI: 10.1111/cge.14000] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/19/2022]
Abstract
Short stature is a common phenotype in children with Schaaf-Yang syndrome (SYS). Prader-Willi syndrome (PWS) and SYS share several phenotypic features including short stature, muscular hypotonia and developmental delay/intellectual disability. Evidence exists that similar to PWS, growth hormone (GH) deficiency may also be a feature of SYS. Recombinant human GH (rhGH) therapy has been approved for PWS, but the effects of rhGH therapy in individuals with SYS have not yet been documented. This retrospective, questionnaire-based study analyzes the prevalence of rhGH therapy in children with SYS, the effects of rhGH therapy on anthropometric measures, and parental perception of the treatment. Twenty-six individuals with SYS were sent a clinical questionnaire and a request for growth charts. We found a significant increase in height z-score (p* = 0.04) as well as a significant decrease in body mass index 6 months after rhGH therapy initiation (p* = 0.04). Furthermore, height z-scores of the treated group (mean z-score = -1.00) were significantly higher than those of the untreated group (mean z-score = -3.36, p = 0.01) at time of enrollment. All parents reported an increase in muscle strength and endurance, and several families noted beneficial effects such as improved cognition and motor development.
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Affiliation(s)
- Nils R Hebach
- Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
| | - Pilar Caro
- Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
| | - Bailey A Martin-Giacalone
- Department of Pediatrics Section of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
| | - Philip J Lupo
- Department of Pediatrics Section of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
| | - Felix Marbach
- Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
| | - Daniela Choukair
- Divison of Paediatric Endocrinology and Diabetology, University Children's Hospital, Heidelberg, Germany
| | - Christian Patrick Schaaf
- Institute of Human Genetics, Heidelberg University, Heidelberg, Germany.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
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18
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Correlation of Genotype and Perinatal Period, Time of Diagnosis and Anthropometric Data before Commencement of Recombinant Human Growth Hormone Treatment in Polish Patients with Prader-Willi Syndrome. Diagnostics (Basel) 2021; 11:diagnostics11050798. [PMID: 33925106 PMCID: PMC8145028 DOI: 10.3390/diagnostics11050798] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/23/2021] [Accepted: 04/24/2021] [Indexed: 01/01/2023] Open
Abstract
Genotype-phenotype correlation in patients with Prader-Willi syndrome (PWS) has still not been fully described. We retrospectively analysed data of 147 patients and compared groups according to genetic diagnosis: paternal deletion of chromosome 15q11-q13 (DEL 15, n = 81), maternal uniparental disomy (UPD 15, n = 10), excluded DEL 15 (UPD 15 or imprinting centre defect, UPD/ID, n = 30). Group DEL 15 had an earlier genetic diagnosis and recombinant human growth hormone (rhGH) start (p = 0.00), with a higher insulin-like growth factor 1 (IGF1) level compared to group UPD/ID (p = 0.04). Among perinatal characteristics, there was only a tendency towards lower birth weight SDS in group UPD 15 (p = 0.06). We also compared data at rhGH start in relation to genetic diagnosis age-group 1: age ≤9 months, group 2: >9 months ≤ 2 years, group 3: > 2 years. Group 1 had the earliest rhGH start (p = 0.00), with lower body mass index (BMI) SDS (p = 0.00) and a tendency towards a higher IGF1 level compared to group 3 (p = 0.05). Genetic background in children with PWS is related to time of diagnosis and rhGH start, with a difference in IGF1 level before the therapy, but it seems to have little impact on perinatal data. Early genetic diagnosis leads to early rhGH treatment with favourable lower BMI SDS.
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19
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Roux-Levy PH, Bournez M, Masurel A, Jean N, Chancenotte S, Bordes M, Debomy F, Minot D, Schmitt E, Vinault S, Gautier E, Lacombe D, Odent S, Mikaty M, Manouvrier S, Ghoumid J, Geneviève D, Lehman N, Philip N, Edery P, Cornaton J, Gallard J, Héron D, Rastel C, Huet F, Thauvin-Robinet C, Verloes A, Binquet C, Tauber M, Lejeune C, Faivre L. Associations between cognitive performance and the rehabilitation, medical care and social support provided to French children with Prader-Willi syndrome. Eur J Med Genet 2020; 63:104064. [DOI: 10.1016/j.ejmg.2020.104064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 04/16/2020] [Accepted: 09/13/2020] [Indexed: 11/28/2022]
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20
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Magill L, Laemmer C, Woelfle J, Fimmers R, Gohlke B. Early start of growth hormone is associated with positive effects on auxology and metabolism in Prader-Willi-syndrome. Orphanet J Rare Dis 2020; 15:283. [PMID: 33046090 PMCID: PMC7552493 DOI: 10.1186/s13023-020-01527-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 09/07/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Prader-Willi-Syndrome (PWS) is characterized by hypothalamic-pituitary dysfunction. Recent research suggests starting growth hormone-treatment (GHT) as soon as possible. The aim of this study is to analyze possible differences in auxological parameters, carbohydrate and lipid metabolism between two groups of children with PWS that started GHT either during or after their first year of life. STUDY DESIGN Retrospective longitudinal study of 62 children (31 males) with genetically confirmed PWS. Upon diagnosis all children were offered GHT, some started immediately, others commenced later. Cohort A (n = 21; 11 males) started GHT at 0.3-0.99 yrs. (mean 0.72 yrs) and Cohort B (n = 41; 20 males) commenced GHT at 1.02-2.54 yrs. (mean 1.42 yrs) of age. Fasting morning blood samples and auxological parameters were obtained before the start of therapy and semi-annually thereafter. Differences between the two cohorts were estimated with a linear mixed-effect model. RESULTS Mean length/height-SDSPWS differed significantly between the groups [1 yr: A: 0.37 (±0.83) vs B: 0.05 (±0.56); 5 yrs.: A: 0.81 (±0.67) vs B: 0.54 (±0.64); p = 0.012]. No significant differences were found in BMI, lean body mass or body fat. Low-density cholesterol was significantly lower in A than in B [LDL: 1 yr: A: 79 (±20) mg/dl vs B: 90 (±19) mg/dl; 5 yrs.: A: 91(±18) mg/dl vs 104 (±26) mg/dl; p = 0.024]. We found significant differences in the glucose homeostasis between the groups [fasting insulin: p = 0.012; HOMA-IR: p = 0.006; HbA1c: p < 0.001; blood glucose: p = 0.022]. CONCLUSIONS An early start of GHT during the first year of life seems to have a favorable effect on height-SDS and metabolic parameters.
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Affiliation(s)
- Lucy Magill
- Department of Pediatric Endocrinology and Diabetology, Children's Hospital, University of Bonn, Venusberg-Campus, Building 30, 53127, Bonn, Germany
| | - Constanze Laemmer
- Pediatric Endocrinology and Diabetology, St. Bernward Hospital, Treibestraße 9, 31134, Hildesheim, Germany
| | - Joachim Woelfle
- Children's University Hospital Erlangen, Loschgestrasse 15, 91054, Erlangen, Germany
| | - Rolf Fimmers
- University Hospital of Bonn, Institute for Medical Biometry, University of Bonn, Venusberg-Campus, 53127, Bonn, Germany
| | - Bettina Gohlke
- Department of Pediatric Endocrinology and Diabetology, Children's Hospital, University of Bonn, Venusberg-Campus, Building 30, 53127, Bonn, Germany.
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21
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Premature Adrenarche in Children with Prader-Willi Syndrome Treated with Recombinant Human Growth Hormone Seems to Not Influence the Course of Central Puberty and the Efficacy and Safety of the Therapy. Life (Basel) 2020; 10:life10100237. [PMID: 33050529 PMCID: PMC7600779 DOI: 10.3390/life10100237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/04/2020] [Accepted: 10/08/2020] [Indexed: 12/22/2022] Open
Abstract
Puberty in children with Prader-Willi syndrome (PWS) is usually delayed and/or incomplete but in some patients premature/early adrenarche is observed. We assessed the premature adrenarche (PA) in PWS patients during the recombinant human growth hormone (rhGH) therapy and influence of PA on the course of central puberty (CP), rhGH efficacy and safety, and patients’ metabolic state. Forty-nine PWS patients were treated with rhGH, 11 presented with PA (group 1) and 14 had normal course of adrenarche (group 2). PA was observed in 22.5% of the PWS children treated with rhGH. The mean time between the rhGH start and the adrenarche, the rhGH dose, the growth velocity and the insulin-like growth factor 1 SD (IGF1 SD) during the treatment, as well as the time of CP, final height SD and BMI SD were similar in both groups. There were also no significant differences in the metabolic assessment—the oral glucose tolerance test (OGTT) and lipid profile results. PA may be a part of the clinical picture of PWS, apart from hypogonadotrophic hypogonadism and it seems to have no influence on CP in PWS patients. The rhGH efficacy and safety were comparable in the patients with PA and the normal course of adrenarche.
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22
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Damen L, Grootjen LN, Donze SH, Juriaans AF, de Graaff LCG, van der Velden JAEM, Hokken-Koelega ACS. Three years of growth hormone treatment in young adults with Prader-Willi Syndrome previously treated with growth hormone in childhood: Effects on glucose homeostasis and metabolic syndrome. Clin Endocrinol (Oxf) 2020; 93:439-448. [PMID: 32609902 DOI: 10.1111/cen.14274] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 06/23/2020] [Accepted: 06/24/2020] [Indexed: 11/29/2022]
Abstract
CONTEXT Growth hormone (GH) has been approved for children with Prader-Willi syndrome (PWS) and significantly improves body composition in adults with PWS. Adults with PWS are predisposed to develop impaired glucose tolerance (IGT) and diabetes mellitus type 2 (DMT2). Continuation of GH maintains body composition, but GH is known to induce insulin resistance, which might affect glucose homeostasis. Studies on long-term effects of GH treatment in adults are very limited. OBJECTIVE To investigate effects of 3 years of GH treatment on glucose homeostasis and prevalence of metabolic syndrome (MS) in adults with PWS. DESIGN Open-label, prospective study. PATIENTS 43 young adults with PWS. SETTING Dutch PWS Reference Center. MAIN OUTCOME MEASURES Glucose and insulin during oral glucose tolerance test. RESULTS Estimated mean (95% CI) fasting glucose and insulin levels remained stable during 3 years of GH treatment. Glucose being 4.6 (4.4-4.8) mmol/l at start and 4.7 (4.6-4.9) mmol/l after 3 years (P = .07); insulin being 59.5 (45.2-75.8) pmol/l and 56.7 (45.2-69.6) pmol/l resp. (P = .72). Sex, ethnicity and fat mass percentage were significantly associated with fasting glucose levels, while IGF-I or GH-dose were not. Blood pressure, lipids and prevalence of MS remained stable during 3 years of GH. IGT prevalence was variable over time, six patients had IGT at start and eleven after 3 years of GH. One patient developed DMT2. However, prevalence of IGT or DMT2 was not significantly higher after 3 years than at study start. CONCLUSIONS Three years of GH treatment in adults with PWS does not impair glucose homeostasis and does not lead to an increased prevalence of DMT2.
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Affiliation(s)
- Layla Damen
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
| | - Lionne N Grootjen
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
| | - Stephany H Donze
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
| | - Alicia F Juriaans
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
| | - Laura C G de Graaff
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
- Internal medicine, Division of Endocrinology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Janielle A E M van der Velden
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Radboud University Medical Center, Amalia Children's Hospital, Nijmegen, The Netherlands
| | - Anita C S Hokken-Koelega
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
- Academic Center for Rare Growth Disorders, Erasmus University Medical Center, Rotterdam, the Netherlands
- Dutch Reference Center for Prader-Willi Syndrome, The Netherlands
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23
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Damen L, Donze SH, Kuppens RJ, Bakker NE, de Graaff LCG, van der Velden JAEM, Hokken-Koelega ACS. Three years of growth hormone treatment in young adults with Prader-Willi syndrome: sustained positive effects on body composition. Orphanet J Rare Dis 2020; 15:163. [PMID: 32580778 PMCID: PMC7313113 DOI: 10.1186/s13023-020-01440-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 06/15/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In children with Prader-Willi syndrome (PWS), the benefits of growth hormone treatment are well established. Several one-year studies have shown that growth hormone is also beneficial for adults with PWS, improving body composition. However, little is known about the longer-term effects. This study investigated the effects on body composition in adult patients with PWS during 3 years of growth hormone therapy in a dose of 0.33 mg/m2/day. METHODS Open-label, prospective study in 43 young adults with PWS with a median (IQR) age of 19.0 (17.5 to 20.7) years. Fat mass percentage SDS and lean body mass SDS were measured annually by DXA. RESULTS Estimated mean (95% CI) fat mass percentage SDS decreased during the three-year study from 2.1 (1.9 to 2.3) SDS at start to 1.9 (1.8 to 2.1) SDS, p = 0.012, while lean body mass SDS remained stable at - 2.1 (- 2.4 to - 1.8) SDS at start to - 1.9 (- 2.3 to - 1.6) after 3 years, p = 0.15. Fasting glucose and insulin remained similar during the three-year study, glucose being 4.6 (4.4 to 4.8) mmol/l at start and 4.6 (4.5 to 4.7) mmol/l after 3 years of growth hormone, p = 0.93 and insulin being 59.5 (42.2 to 81.5) pmol/l and 55.0 (42.4 to 69.2) pmol/l, resp., p = 0.54. There were no growth hormone-related adverse events during the study. CONCLUSIONS Three years of growth hormone treatment in young adults with PWS maintains the positive effects on body composition attained during childhood. Thus, adults with PWS benefit from longer-term growth hormone treatment. TRIAL REGISTRATION EudraCT, EudraCT number 2011-001313-14. Registered 17 October 2012.
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Affiliation(s)
- Layla Damen
- Dutch Growth Research Foundation, Rotterdam, The Netherlands. .,Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands.
| | - Stephany H Donze
- Dutch Growth Research Foundation, Rotterdam, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Renske J Kuppens
- Dutch Growth Research Foundation, Rotterdam, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Nienke E Bakker
- Dutch Growth Research Foundation, Rotterdam, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Laura C G de Graaff
- Internal Medicine, Division of Endocrinology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Janielle A E M van der Velden
- Department of Pediatrics, Subdivision of Endocrinology, Radboud University Medical Center-Amalia Children's Hospital, Nijmegen, The Netherlands
| | - Anita C S Hokken-Koelega
- Dutch Growth Research Foundation, Rotterdam, The Netherlands.,Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
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24
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Tan Q, Orsso CE, Deehan EC, Triador L, Field CJ, Tun HM, Han JC, Müller TD, Haqq AM. Current and emerging therapies for managing hyperphagia and obesity in Prader-Willi syndrome: A narrative review. Obes Rev 2020; 21:e12992. [PMID: 31889409 DOI: 10.1111/obr.12992] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 12/16/2022]
Abstract
In early childhood, individuals with Prader-Willi syndrome (PWS) experience excess weight gain and severe hyperphagia with food compulsivity, which often leads to early onset morbid obesity. Effective treatments for appetite suppression and weight control are currently unavailable for PWS. Our aim to further understand the pathogenesis of PWS led us to carry out a comprehensive search of the current and emerging therapies for managing hyperphagia and extreme weight gain in PWS. A literature search was performed using PubMed and the following keywords: "PWS" AND "therapy" OR "[drug name]"; reference lists, pharmaceutical websites, and the ClinicalTrials.gov registry were also reviewed. Articles presenting data from current standard treatments in PWS and also clinical trials of pharmacological agents in the pipeline were selected. Current standard treatments include dietary restriction/modifications, exercise, and growth hormone replacement, which appear to have limited efficacy for appetite and weight control in patients with PWS. The long-term safety and effectiveness of bariatric surgery in PWS remains unknown. However, many promising pharmacotherapies are in development and, if approved, will bring much needed choices into the PWS pharmacological armamentarium. With the progress that is currently being made in our understanding of PWS, an effective treatment may not be far off.
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Affiliation(s)
- Qiming Tan
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Camila E Orsso
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Edward C Deehan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Lucila Triador
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Catherine J Field
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Hein Min Tun
- HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, SAR, China
| | - Joan C Han
- Departments of Pediatrics and Physiology, College of Medicine, University of Tennessee Health Science Center and Children's Foundation Research Institute, Le Bonheur Children's Hospital, Memphis, Tennessee, USA
| | - Timo D Müller
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, Neuherberg, Germany.,Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and Toxicology, Eberhard Karls University Hospitals and Clinics, Tübingen, Germany
| | - Andrea M Haqq
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada.,Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
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25
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Alves C, Franco RR. Prader-Willi syndrome: endocrine manifestations and management. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2020; 64:223-234. [PMID: 32555988 PMCID: PMC10522225 DOI: 10.20945/2359-3997000000248] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 02/28/2020] [Indexed: 11/23/2022]
Abstract
Prader-Willi syndrome (PWS) is a genetic disorder caused by the absence of gene expression in the 15q11.2-q13 paternal chromosome. Patients with PWS develop hypothalamic dysfunction that can lead to various endocrine changes such as: obesity, growth hormone deficiency, hypogonadism, hypothyroidism, adrenal insufficiency and low bone mineral density. In addition, individuals with PWS have increased risk of developing type 2 diabetes mellitus. This review summarizes and updates the current knowledge about the prevention, diagnosis and treatment of endocrine manifestations associated with Prader Willi syndrome, especially diagnosis of growth hormone deficiency, management and monitoring of adverse effects; diagnosis of central adrenal insufficiency and management in stressful situations; screening for central hypothyroidism; research and treatment of hypogonadism; prevention and treatment of disorders of glucose metabolism. Careful attention to the endocrine aspects of PWS contributes significantly to the health of these individuals. Arch Endocrinol Metab. 2020;64(3):223-34.
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Affiliation(s)
- Crésio Alves
- Hospital Universitário Prof. Edgard SantosFaculdade de MedicinaUniversidade Federal da BahiaSalvadorBABrasil Unidade de Endocrinologia Pediátrica, Hospital Universitário Prof. Edgard Santos, Faculdade de Medicina, Universidade Federal da Bahia (UFBA), Salvador, BA, Brasil
| | - Ruth Rocha Franco
- Hospital das ClínicasFaculdade de MedicinaUniversidade de São PauloSão PauloSPBrasil Ambulatório de Prader-Willi, Instituto da Criança, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (USP), São Paulo, SP, Brasil
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Passone CDGB, Franco RR, Ito SS, Trindade E, Polak M, Damiani D, Bernardo WM. Growth hormone treatment in Prader-Willi syndrome patients: systematic review and meta-analysis. BMJ Paediatr Open 2020; 4:e000630. [PMID: 32411831 PMCID: PMC7213882 DOI: 10.1136/bmjpo-2019-000630] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Growth hormone (GH) treatment is currently recommended in Prader-Willi syndrome (PWS) patients. OBJECTIVES To evaluate the impact (efficacy and safety) of the use of recombinant human GH (rhGH) as a treatment for PWS. METHOD We performed a systematic review and, where possible, meta-analysis for the following outcomes: growth, body mass index, body composition, cognitive function, quality of life, head circumference, motor development/strength, behaviour and adverse effects. We included all PWS patients, with all types of genetic defects and with or without GH deficiency, who participated in rhGH studies performed in infancy, childhood and adolescence, that were either randomised controlled trials (RCTs) (double-blinded or not) or non-randomised controlled trials (NRCTs) (cohort and before and after studies). The databases used were MEDLINE, Embase and Cochrane Central. RESULTS In 16 RCTs and 20 NRCTs selected, the treated group had an improvement in height (1.67 SD scores (SDS); 1.54 to 1.81); body mass index z-scores (-0.67 SDS; -0.87 to -0.47) and fat mass proportion (-6.5% SDS; -8.46 to -4.54) compared with the control group. Data about cognition could not be aggregated. Conclusion Based on high quality evidence, rhGH treatment favoured an improvement of stature, body composition and body mass index, modifying the disease's natural history; rhGH treatment may also be implicated in improved cognition and motor development in PWS patients at a young age. ETHICS AND DISSEMINATION The current review was approved by the ethical committee of our institution. The results will be disseminated through conference presentations and publications in peer-reviewed journals. PROSPERO REGISTRATION NUMBER CRD42019140295.
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Affiliation(s)
- Caroline de Gouveia Buff Passone
- Pediatric Endocrinology Unit, Universidade de Sao Paulo, Sao Paulo, Brazil
- Pediatric Endocrinology, Gynecology and Diabetology, Centre de Référence des Pathologies Gynécologiques Rares et des Maladies Endocriniennes Rares de la Croissance et du Développement, Hôpital Universitaire Necker Enfants Malades, Université Paris Descartes, Paris, France, Paris, France
| | | | | | | | - Michel Polak
- Pediatric Endocrinology, Gynecology and Diabetology, Centre de Référence des Pathologies Gynécologiques Rares et des Maladies Endocriniennes Rares de la Croissance et du Développement, Hôpital Universitaire Necker Enfants Malades, Université Paris Descartes, Paris, France, Paris, France
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Palmieri VV, Lonero A, Bocchini S, Cassano G, Convertino A, Corica D, Crinò A, Fattorusso V, Ferraris S, Fintini D, Franzese A, Grugni G, Iughetti L, Lia R, Macchi F, Madeo SF, Matarazzo P, Nosetti L, Osimani S, Pajno R, Patti G, Pellegrin MC, Perri A, Ragusa L, Rutigliano I, Sacco M, Salvatoni A, Scarano E, Stagi S, Tornese G, Trifirò G, Wasniewska M, Fischetto R, Giordano P, Licenziati MR, Delvecchio M. Uniparental disomy and pretreatment IGF-1 may predict elevated IGF-1 levels in Prader-Willi patients on GH treatment. Growth Horm IGF Res 2019; 48-49:9-15. [PMID: 31487604 DOI: 10.1016/j.ghir.2019.08.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 08/09/2019] [Accepted: 08/26/2019] [Indexed: 10/26/2022]
Abstract
Pediatric patients with Prader-Willi syndrome (PWS) can be treated with recombinant human GH (rhGH). These patients are highly sensitive to rhGH and the standard doses suggested by the international guidelines often result in IGF-1 above the normal range. We aimed to evaluate 1 the proper rhGH dose to optimize auxological outcomes and to avoid potential overtreatment, and 2 which patients are more sensitive to rhGH. In this multicenter real-life study, we recruited 215 patients with PWS older than 1 year, on rhGH at least for 6 months, from Italian Centers for PWS care. We collected auxological parameters, rhGH dose, IGF-1 at recruitment and (when available) at start of treatment. The rhGH dose was 4.3 (0.7/8.4) mg/m2/week. At recruitment, IGF-1 was normal in 72.1% and elevated in 27.9% of the patients. In the group of 115 patients with IGF-1 available at start of rhGH, normal pretreatment IGF-1 and uniparental disomy were associated with elevated IGF-1 during the therapy. No difference in height and growth velocity was found between patients treated with the highest and the lowest range dose. The rhGH dose prescribed in Italy seems lower than the recommended one. Normal pretreatment IGF-1 and uniparental disomy are risk factors for elevated IGF-1. The latter seems to be associated with higher sensitivity to GH. In case of these risk factors, we recommend a more accurate titration of the dose to avoid overtreatment and its potential side effects.
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Affiliation(s)
- Viviana Valeria Palmieri
- Department of Biomedicine and Human Oncology, Pediatric Section, University A. Moro, Bari, Italy
| | | | - Sarah Bocchini
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Gilda Cassano
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Alessio Convertino
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Domenico Corica
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Italy
| | - Antonio Crinò
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | | | - Silvio Ferraris
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, University of Torino, Torino, Italy
| | - Danilo Fintini
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Adriana Franzese
- Department of Translational Sciences, University Federico II, Naples, Italy
| | - Graziano Grugni
- Division of Auxology, Italian Auxological Institute, Research Institute, Piancavallo, Verbania, Italy
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Francesca Macchi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Simona Filomena Madeo
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Patrizia Matarazzo
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, University of Torino, Torino, Italy
| | - Luana Nosetti
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Sara Osimani
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Roberta Pajno
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Giuseppa Patti
- Department of Pediatrics, Giannina Gaslini Institute, Genoa, Italy
| | | | - Annamaria Perri
- Rare Diseases Unit Pediatric Department, University of Bologna, Bologna, Italy
| | | | - Irene Rutigliano
- Department of Pediatrics, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Michele Sacco
- Department of Pediatrics, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | | | - Emanuela Scarano
- Rare Diseases Unit Pediatric Department, University of Bologna, Bologna, Italy
| | - Stefano Stagi
- Anna Meyer Children's University Hospital, Florence, Italy
| | - Gianluca Tornese
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | | | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Italy
| | - Rita Fischetto
- Metabolic Diseases, Clinical Genetics and Diabetology Unit, Giovanni XXIII Children's Hospital, Bari, Italy
| | - Paola Giordano
- Department of Biomedicine and Human Oncology, Pediatric Section, University A. Moro, Bari, Italy
| | - Maria Rosaria Licenziati
- Obesity and Endocrine disease Unit, Department of Neurosciences, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Maurizio Delvecchio
- Metabolic Diseases, Clinical Genetics and Diabetology Unit, Giovanni XXIII Children's Hospital, Bari, Italy.
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Yang A, Choi JH, Sohn YB, Eom Y, Lee J, Yoo HW, Jin DK. Effects of recombinant human growth hormone treatment on growth, body composition, and safety in infants or toddlers with Prader-Willi syndrome: a randomized, active-controlled trial. Orphanet J Rare Dis 2019; 14:216. [PMID: 31511031 PMCID: PMC6739953 DOI: 10.1186/s13023-019-1195-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 09/04/2019] [Indexed: 01/06/2023] Open
Abstract
Background Prader-Willi syndrome (PWS) is a rare complex genetic disorder and is characterized by short stature, muscular hypotonia, abnormal body composition, psychomotor retardation, and hyperphagia. Recombinant human growth hormone (rhGH) treatment improves the symptoms in children with PWS, and early treatment results in more favorable outcomes. However, systematic studies in infants and toddlers under 2 years of age are lacking. This multicenter, randomized, active-controlled, parallel-group, open-label, Phase III study aimed to evaluate the safety of rhGH (Eutropin, LG Chem, Ltd.) and its efficacy on growth, body composition, and motor and cognitive development in infants and toddlers with PWS compared with a comparator treatment (Genotropin, Pfizer, Inc.). Eligible Korean infants or toddlers with PWS were randomly assigned to receive Eutropin or comparator (both 0.24 mg/kg/week, 6 times/week) for 1 year. Height standard deviation score (SDS), body composition, and motor and cognitive development were measured. Results Thirty-four subjects (less than 24 months old) were randomized into either the Eutropin (N = 17) group or the comparator (N = 17) group. After 52 weeks of rhGH treatment, height SDS and lean body mass increased significantly from baseline in both groups: the mean height SDS change (SD) was 0.75 (0.59) in the Eutropin group and 0.95 (0.66) in the comparator group, and the mean lean body mass change (SD) was 2377.79 (536.25) g in the Eutropin group and 2607.10 (641.36) g in the comparator group. In addition, percent body fat decreased significantly: the mean (SD) change from baseline was − 8.12% (9.86%) in the Eutropin group and − 7.48% (10.26%) in the comparator group. Motor and cognitive developments were also improved in both groups after the 1-year treatment. The incidence of adverse events was similar between the groups. Conclusions rhGH treatment for 52 weeks in infants and toddlers with PWS improved growth, body composition, and motor and cognitive development, and efficacy and safety outcomes of Eutropin were comparable to those of Genotropin. Hence, Eutropin is expected to provide safe and clinically meaningful improvements in pediatric patients with PWS. Trial registration The study was registered at ClinicalTrials.gov (identifier: NCT02204163) on July 30, 2014. URL: https://clinicaltrials.gov/ct2/show/NCT02204163?term=NCT02204163&rank=1
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Affiliation(s)
- Aram Yang
- Department of Pediatrics, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jin-Ho Choi
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Young Bae Sohn
- Department of Medical Genetics, Ajou University Hospital, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Yunae Eom
- Life Sciences, LG Chem, Ltd, Seoul, Republic of Korea
| | - Jiyoon Lee
- Life Sciences, LG Chem, Ltd, Seoul, Republic of Korea
| | - Han-Wook Yoo
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
| | - Dong-Kyu Jin
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, Republic of Korea.
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Pediatric endocrinology through syndromes. Eur J Med Genet 2019; 63:103614. [PMID: 30654153 DOI: 10.1016/j.ejmg.2019.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Revised: 11/20/2018] [Accepted: 01/12/2019] [Indexed: 11/22/2022]
Abstract
In everyday practice, a pediatric endocrinologist will face a variety of different endocrine issues (such as short or tall stature, dysthyroidism, abnormal pubertal timing or impaired glucose metabolism), which relevantly contribute to the global care of a number of syndromic conditions. On the other hand, the presence of endocrine features may assist in the diagnostic process, leading to final diagnosis of a syndromic disorder. The intention of this review is to provide a referenced overview of different genetic syndromes characterized by endocrine features, and to present a possible classification, based on whether the endocrinopathy or the syndrome is typically recognized first. Thus, the first part of the manuscript deals with the most common syndromes associated with endocrine dysfunctions, while the second part describes the conditions by which a syndrome is most frequently diagnosed after an endocrine finding. The aim is to provide a practical overview of the assessment of syndromic patients, so that they can be recognized and managed in an integrated, multidisciplinary fashion.
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Butler MG, Miller JL, Forster JL. Prader-Willi Syndrome - Clinical Genetics, Diagnosis and Treatment Approaches: An Update. Curr Pediatr Rev 2019; 15:207-244. [PMID: 31333129 PMCID: PMC7040524 DOI: 10.2174/1573396315666190716120925] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Prader-Willi Syndrome (PWS) is a neurodevelopmental genomic imprinting disorder with lack of expression of genes inherited from the paternal chromosome 15q11-q13 region usually from paternal 15q11-q13 deletions (about 60%) or maternal uniparental disomy 15 or both 15s from the mother (about 35%). An imprinting center controls the expression of imprinted genes in the chromosome 15q11-q13 region. Key findings include infantile hypotonia, a poor suck, failure to thrive and hypogonadism/hypogenitalism. Short stature and small hands/feet due to growth and other hormone deficiencies, hyperphagia and marked obesity occur in early childhood, if uncontrolled. Cognitive and behavioral problems (tantrums, compulsions, compulsive skin picking) are common. OBJECTIVE Hyperphagia and obesity with related complications are major causes of morbidity and mortality in PWS. This report will describe an accurate diagnosis with determination of specific genetic subtypes, appropriate medical management and best practice treatment approaches. METHODS AND RESULTS An extensive literature review was undertaken related to genetics, clinical findings and laboratory testing, clinical and behavioral assessments and summary of updated health-related information addressing the importance of early PWS diagnosis and treatment. A searchable, bulleted and formatted list of topics is provided utilizing a Table of Contents approach for the clinical practitioner. CONCLUSION Physicians and other health care providers can use this review with clinical, genetic and treatment summaries divided into sections pertinent in the context of clinical practice. Frequently asked questions by clinicians, families and other interested participants or providers will be addressed.
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Affiliation(s)
- Merlin G Butler
- Departments of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Jennifer L Miller
- Department of Pediatrics, University of Florida School of Medicine, Gainesville, FL, United States
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Stipančić G, Požgaj Šepec M, La Grasta Sabolić L. EFFECT OF GROWTH HORMONE THERAPY IN CHILDREN WITH PRADER-WILLI SYNDROME - OUR FIRST EXPERIENCES. Acta Clin Croat 2018; 57:744-755. [PMID: 31168212 PMCID: PMC6544111 DOI: 10.20471/acc.2018.57.04.17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 03/15/2018] [Indexed: 11/24/2022] Open
Abstract
- Prader-Willi syndrome (PWS) is the most common cause of morbid obesity in childhood. It is the consequence of the lack of expression of genes on the paternally inherited 15q11.2-q13 region. Hyperphagia, obesity, short stature, psychomotor retardation and deterioration of behavior predominate in clinical presentation. Recombinant human growth hormone (rhGH) therapy, along with restriction of caloric intake, has become the mainstay in the management of PWS patients. Anthropometric parameters (height, body mass index (BMI)), therapy effect on carbohydrate and lipid metabolism, and occurrence of side effects were monitored in four children with PWS treated with rhGH for ≥2 years at doses of up to 1 mg/m2/day. During the follow-up, the height standard deviation score (SDS) increased in comparison with baseline values, and after ≥2 years of treatment with rhGH it was within the reference range for the general children population. BMI SDS decreased after the first year of treatment, but thereafter increased again; still, the level of BMI SDS was much better in comparison with most children with PWS of the same age and gender. RhGH therapy had no negative effect on glucose and lipid metabolism, nor caused any other adverse effect. Therapy including a customized diet for PWS, along with rhGH therapy, provided a satisfactory growth rate and prevented development of morbid obesity without side effects. This treatment approach would ensure transition of a greater number of PWS patients into adult care, where the multidisciplinary approach in care should be continued.
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Finken MJJ, van der Steen M, Smeets CCJ, Walenkamp MJE, de Bruin C, Hokken-Koelega ACS, Wit JM. Children Born Small for Gestational Age: Differential Diagnosis, Molecular Genetic Evaluation, and Implications. Endocr Rev 2018; 39:851-894. [PMID: 29982551 DOI: 10.1210/er.2018-00083] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 06/21/2018] [Indexed: 12/25/2022]
Abstract
Children born small for gestational age (SGA), defined as a birth weight and/or length below -2 SD score (SDS), comprise a heterogeneous group. The causes of SGA are multifactorial and include maternal lifestyle and obstetric factors, placental dysfunction, and numerous fetal (epi)genetic abnormalities. Short-term consequences of SGA include increased risks of hypothermia, polycythemia, and hypoglycemia. Although most SGA infants show catch-up growth by 2 years of age, ∼10% remain short. Short children born SGA are amenable to GH treatment, which increases their adult height by on average 1.25 SD. Add-on treatment with a gonadotropin-releasing hormone agonist may be considered in early pubertal children with an expected adult height below -2.5 SDS. A small birth size increases the risk of later neurodevelopmental problems and cardiometabolic diseases. GH treatment does not pose an additional risk.
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Affiliation(s)
- Martijn J J Finken
- Department of Pediatrics, VU University Medical Center, MB Amsterdam, Netherlands
| | - Manouk van der Steen
- Department of Pediatrics, Erasmus University Medical Center/Sophia Children's Hospital, CN Rotterdam, Netherlands
| | - Carolina C J Smeets
- Department of Pediatrics, Erasmus University Medical Center/Sophia Children's Hospital, CN Rotterdam, Netherlands
| | - Marie J E Walenkamp
- Department of Pediatrics, VU University Medical Center, MB Amsterdam, Netherlands
| | - Christiaan de Bruin
- Department of Pediatrics, Leiden University Medical Center, RC Leiden, Netherlands
| | - Anita C S Hokken-Koelega
- Department of Pediatrics, Erasmus University Medical Center/Sophia Children's Hospital, CN Rotterdam, Netherlands
| | - Jan M Wit
- Department of Pediatrics, Leiden University Medical Center, RC Leiden, Netherlands
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Koizumi M, Ida S, Shoji Y, Nishimoto Y, Etani Y, Kawai M. Visceral adipose tissue increases shortly after the cessation of GH therapy in adults with Prader-Willi syndrome. Endocr J 2018; 65:1127-1137. [PMID: 30185718 DOI: 10.1507/endocrj.ej18-0107] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
GH therapy in pediatric patients with Prader-Willi syndrome (PWS) improves body composition, but discontinuation of GH after achieving adult height has been implicated in its deterioration. Although there is evidence for the deleterious effects of visceral adipose tissue (VAT) rather than subcutaneous adipose tissue (SAT) on the development of obesity-related complications, the effects of GH discontinuation on fat distribution in adults with PWS has not been fully investigated. Therefore, we utilized dual-energy X-ray absorptiometry (DEXA) and abdominal computed tomography (CT) to compare the fat distribution between before and 6 months or 12 months after the cessation of GH therapy in 7 adult PWS patients. GH therapy was initiated at a mean age of 4.1 ± 1.4 years and discontinued at a mean age of 18.9 ± 1.8 years. Serum IGF-1 levels were decreased by discontinuation of GH therapy. Fat mass was significantly increased 6 and 12 months after GH cessation, whereas muscle mass and bone mineral density were unchanged during both study periods. Abdominal CT analysis revealed that elevations in fat mass were due to increases in VAT rather than SAT. Circulating low-density lipoprotein (LDL) cholesterol levels were significantly elevated 6 months after GH cessation. In conclusion, discontinuation of GH therapy caused rapid increases in visceral adipose tissue and LDL cholesterol levels. These findings indicate that continuation of GH therapy may be a therapeutic option to maintain body composition; however, further studies regarding the long-term benefits and adverse effects of GH therapy in adults with PWS are required.
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Affiliation(s)
- Mikiko Koizumi
- Department of Gastroenterology and Endocrinology, Osaka Women's and Children's Hospital, Osaka 594-1101, Japan
- Department of Pediatrics, Yodogawa Christian Hospital, Osaka 533-0024, Japan
| | - Shinobu Ida
- Department of Gastroenterology and Endocrinology, Osaka Women's and Children's Hospital, Osaka 594-1101, Japan
| | - Yasuko Shoji
- Department of Gastroenterology and Endocrinology, Osaka Women's and Children's Hospital, Osaka 594-1101, Japan
| | - Yukiko Nishimoto
- Department of Nutrition Management, Osaka Women's and Children's Hospital Osaka 594-1101, Japan
| | - Yuri Etani
- Department of Gastroenterology and Endocrinology, Osaka Women's and Children's Hospital, Osaka 594-1101, Japan
| | - Masanobu Kawai
- Department of Gastroenterology and Endocrinology, Osaka Women's and Children's Hospital, Osaka 594-1101, Japan
- Department of Bone and Mineral Research, Research Institute, Osaka Women's and Children's Hospital Osaka 594-1101, Japan
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Moix Gil E, Giménez-Palop O, Caixàs A. Treatment with growth hormone in the prader-willi syndrome. ACTA ACUST UNITED AC 2018; 65:229-236. [PMID: 29510967 DOI: 10.1016/j.endinu.2018.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 01/07/2018] [Accepted: 01/10/2018] [Indexed: 12/23/2022]
Abstract
INTRODUCTION The Prader-Willi syndrome (PWS) is a rare genetic disorder caused by absence of expression of the paternal alleles in región 15q11.2-q13. Obesity and hormonal deficiencies, especially of growth hormone (GH), are the most important signs from the therapeutic viewpoint. Recombinant GH (rGH) is effective in children and represents the mainstay in treatment; by contrast, little evidence in available in adult patients. OBJECTIVE To review the reported evidence on the beneficial and adverse effects of treatment with rGH in children and adults. DESIGN A review was made of 62 original articles published between 2000 and 2017 using the PubMed database. RESULTS In pediatric and adult PWS, rGH improves body morphology and composition, physical performance, cognition, psychomotor development, respiratory function, and quality of life with few adverse effects. CONCLUSIONS Treatment with rGH is effective and safe and improves quality of life in both children and adults with PWS.
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Affiliation(s)
- Eugènia Moix Gil
- Facultad de Medicina, Unidad Docente Parc Taulí, Universitat Autònoma de Barcelona, Barcelona, España
| | - Olga Giménez-Palop
- Servicio de Endocrinología y Nutrición, Hospital Universitari Parc Tauli, , Sabadell, España
| | - Assumpta Caixàs
- Servicio de Endocrinología y Nutrición, Hospital Universitari Parc Tauli, , Sabadell, España.
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Bakker NE, Lindberg A, Heissler J, Wollmann HA, Camacho-Hübner C, Hokken-Koelega AC. Growth Hormone Treatment in Children With Prader-Willi Syndrome: Three Years of Longitudinal Data in Prepubertal Children and Adult Height Data From the KIGS Database. J Clin Endocrinol Metab 2017; 102:1702-1711. [PMID: 28323917 DOI: 10.1210/jc.2016-2962] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 02/13/2017] [Indexed: 02/13/2023]
Abstract
CONTEXT Longitudinal data of children with Prader-Willi syndrome (PWS) treated with genotropin were registered in the Pfizer International Growth Database (KIGS). OBJECTIVE To evaluate efficacy and safety of growth hormone (GH) treatment in a large group of children with PWS. DESIGN Data registered in KIGS from 1987 to 2012. SETTING Worldwide retrospective cohort study. PATIENTS Patients included 522 prepubertal children treated with GH for three years and 173 children who had reached adult height. Safety analysis included 2332 children. Intervention involved GH treatment. MAIN OUTCOME MEASURE Height standard deviation score (SDS), body mass index (BMI) SDS, occurrence of serious adverse events, and deaths reported in KIGS. RESULTS In prepubertal children, mean (standard deviation) height SDS improved to -0.31 (1.34) (P < 0.05) during three years of GH treatment. In the adolescent group, height SDS improved until the start of puberty to -0.22 (1.31) (P < 0.05) but had a loss of -0.77 (0.81) during puberty, resulting in a mean adult height SDS of -1.19 (1.37). Total height gain was 0.95 (1.32) SDS. BMI SDS increased in the prepubertal group from 1.11 (2.09) to 1.53 (1.43) (P < 0.05) and did not significantly change in the adolescent group, who had a BMI SDS at an adult height of 1.78 (1.26). KIGS contained 12 death reports. CONCLUSIONS GH treatment in children with PWS significantly improves linear growth. BMI remains on average below +2 SDS, in contrast to the natural course of increasing obesity in PWS. Safety should be closely monitored in children with PWS, with and without GH treatment.
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Affiliation(s)
- Nienke E Bakker
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
- Children's Hospital Erasmus MC-Sophia, Department of Pediatrics, Division of Endocrinology, 3015 CN Rotterdam, The Netherlands
| | | | | | | | | | - Anita C Hokken-Koelega
- Dutch Growth Research Foundation, 3016 AH Rotterdam, The Netherlands
- Children's Hospital Erasmus MC-Sophia, Department of Pediatrics, Division of Endocrinology, 3015 CN Rotterdam, The Netherlands
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Abstract
Prader-Willi syndrome (PWS) results from under-expression of the paternally-derived chromosomal region 15q11-13. Growth failure is a recognized feature of PWS, and both quantitative and qualitative defects of the GH/IGF-I axis revealing GH deficiency (GHD) have been demonstrated in most children with PWS. In PWS adults, criteria for GHD are biochemically fulfilled in 8-38% of the studied cohorts. Published data support benefits of early institution of GH therapy (GHT) in PWS children, with positive effects on statural growth, body composition, metabolic homeostasis, and neurocognitive function. Like in pediatric PWS, GHT also yields beneficial effects on lean and body fat, exercise capacity, and quality of life of PWS adults. Although GHT has been generally administered safely in PWS children and adults, careful surveillance of risks is mandatory during prolonged GH replacement for all PWS individuals.
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Affiliation(s)
- Graziano Grugni
- Division of Auxology, I.R.C.C.S. Istituto Auxologico Italiano, Ospedale S. Giuseppe, Verbania, 28921, Italy.
| | - Paolo Marzullo
- Division of General Medicine, I.R.C.C.S. Istituto Auxologico Italiano, Ospedale S. Giuseppe, Verbania, 28921, Italy; Department of Translational Medicine, Università del Piemonte Orientale, Novara, 28100, Italy
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Wang P, Zhou W, Yuan W, Huang L, Zhao N, Chen X. Prader-Willi syndrome in neonates: twenty cases and review of the literature in Southern China. BMC Pediatr 2016; 16:124. [PMID: 27506196 PMCID: PMC4977863 DOI: 10.1186/s12887-016-0662-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Accepted: 08/02/2016] [Indexed: 12/23/2022] Open
Abstract
Background Prader-Willi syndrome is a rare genetic abnormality that can be challenging to diagnose early, but for which early interventions improve prognosis. Methods To improve understanding of Prader–Willi syndrome in neonates in Asia, we retrospectively analyzed the clinical records of 20 affected newborns diagnosed in the Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou, China from January 2007 to December 2014 and performed a review of the relevant literature. Results Fourteen boys and six girls presented with hypotonia, poor responsiveness, feeding difficulty, and infrequent, weak crying. Different from western patients, the 20 Asian patients exhibited at least five of the following typical features: prominent forehead, narrow face, almond-shaped eyes, small mouth, downturned mouth, thin upper lip, and micromandible. All 14 boys had a small scrotum, including nine with cryptorchidism. Diagnoses were made with microarray comparative genomic hybridization. All 20 infants required feeding tubes. Fifteen received swallowing training immediately after admission; the period of continuous tube feeding for these patients ranged from 8 to 22 days (mean, 14 ± 5.3 days). For the five patients who did not receive swallowing training, the period of continuous tube feeding ranged from 15 to 35 days (mean, 18 ± 4.3 days). Comprehensive care measures included: giving parents detailed health education and basic information about this disease, teaching skills to promote feeding and prevent suffocation, increasing children’s passive activity, providing nutrition management for normal development, and preventing excessive or inadequate nutrient intake. Conclusions Neonates with Prader–Willi syndrome in Asia have hypotonia, poor responsiveness, feeding difficulty, infrequent and weak crying, genital hypoplasia, and characteristic facial features. Recognition of the syndrome in neonates with confirmation by genetic testing is essential, because early diagnosis allows early intervention. Treatment measures including swallowing training can improve prognosis, prevent growth retardation and obesity, and elevate quality of life in individuals with Prader–Willi syndrome.
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Affiliation(s)
- Ping Wang
- The First Affiliated Hospital of Jinan University, No 613, Huangpuda Road, Guangzhou, Guangdong, 510623, China.,Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China
| | - Wei Zhou
- Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China.
| | - Weiming Yuan
- Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China
| | - Longguang Huang
- Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China
| | - Ning Zhao
- Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China
| | - Xiaowen Chen
- Department of Neonatology, Guangzhou Women and Children's Medical Center, No 9, Jinsui Road, Guangzhou, Guangdong, 510623, China
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Duran AT, Wilson KS, Castner DM, Tucker JM, Rubin DA. Association between physical activity and bone in children with Prader-Willi syndrome. J Pediatr Endocrinol Metab 2016; 29:819-26. [PMID: 27159915 DOI: 10.1515/jpem-2015-0233] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 03/29/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND The aim of the study was to determine if physical activity (PA) is associated with bone health in children with Prader-Willi syndrome (PWS). METHODS Participants included 23 children with PWS (age: 11.0±2.0 years). PA, measured by accelerometry, was categorized into light, moderate, vigorous and moderate plus vigorous intensities. Hip, total body minus the head (body), bone mineral content (BMC), bone mineral density (BMD) and BMD z-score (BMDz) were measured by dual X-ray absorptiometry. Separate hierarchical regression models were completed for all bone parameters, PA intensity and select covariates. RESULTS Moderate PA and select covariates explained the most variance in hip BMC (84.0%), BMD (61.3%) and BMDz (34.9%; p<0.05 for all). Likewise, for each body parameter, moderate PA and select covariates explained the most variance in body BMC (75.8%), BMD (74.4%) and BMDz (31.8%; p<0.05 for all). CONCLUSIONS PA of at least moderate intensity appears important for BMC and BMD in children with PWS.
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Grugni G, Sartorio A, Crinò A. Growth hormone therapy for Prader-willi syndrome: challenges and solutions. Ther Clin Risk Manag 2016; 12:873-81. [PMID: 27330297 PMCID: PMC4898426 DOI: 10.2147/tcrm.s70068] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Prader-Willi syndrome (PWS) is characterized by a dysregulation of growth hormone (GH)/insulin-like growth factor I axis, as the consequence of a complex hypothalamic involvement. PWS' clinical picture seems to resemble the classic non-PWS GH deficiency (GHD), including short stature, excessive body fat, decreased muscle mass, and impaired quality of life. GH therapy is able to ameliorate the phenotypic appearance of the syndrome, as well as to improve body composition, physical strength, and cognitive level. In this regard, however, some pathophysiologic and clinical questions still remain, representing a challenge to give the most appropriate care to PWS patients. Data about the prevalence of GHD in PWS children are not unequivocal, ranging from 40% to 100%. In this context, to establish whether the presence (or not) of GHD may have a different effect on clinical course during GH therapy may be helpful. In addition, the comparison of GH effects in PWS children diagnosed as small for gestational age with those obtained in subjects born appropriate for gestational age is of potential interest for future trials. Emerging information seems to demonstrate the maintenance of beneficial effects of GH therapy in PWS subjects after adolescent years. Thus, GH retesting after achievement of final height should be taken into consideration for all PWS patients. However, it is noteworthy that GH administration exerts positive effects both in PWS adults with and without GHD. Another critical issue is to clarify whether the genotype-phenotype correlations may be relevant to specific outcome measures related to GH therapy. Moreover, progress of our understanding of the role of GH replacement and concomitant therapies on bone characteristics of PWS is required. Finally, a long-term surveillance of benefits and risks of GH therapy is strongly recommended for PWS population, since most of the current studies are uncontrolled and of short duration.
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Affiliation(s)
- Graziano Grugni
- Division of Auxology, San Giuseppe Hospital, Istituto Auxologico Italiano, Verbania, Italy; Experimental Laboratory for Auxo-endocrinological Research, San Giuseppe Hospital, Istituto Auxologico Italiano, Verbania, Italy
| | - Alessandro Sartorio
- Division of Auxology, San Giuseppe Hospital, Istituto Auxologico Italiano, Verbania, Italy; Experimental Laboratory for Auxo-endocrinological Research, San Giuseppe Hospital, Istituto Auxologico Italiano, Verbania, Italy
| | - Antonino Crinò
- Autoimmune Endocrine Diseases Unit, Bambino Gesù Children's Hospital, Rome, Italy
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Bakker NE, Siemensma EPC, Koopman C, Hokken-Koelega ACS. Dietary Energy Intake, Body Composition and Resting Energy Expenditure in Prepubertal Children with Prader-Willi Syndrome before and during Growth Hormone Treatment: A Randomized Controlled Trial. Horm Res Paediatr 2016; 83:321-31. [PMID: 25764996 DOI: 10.1159/000374113] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 01/07/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Dietary management is a difficult but key aspect of care in children with Prader-Willi syndrome (PWS). We therefore investigated the effect of growth hormone (GH) treatment on reported energy intake in children with PWS, in relation with body composition, resting energy expenditure (REE) and hormone levels. METHODS In a randomized controlled GH trial including 47 children with PWS, we assessed 5-day dietary records and dual-energy X-ray absorptiometry for body composition. REE was calculated by Müller's equation, based on fat mass, fat free mass and gender. RESULTS Baseline energy intake of children with PWS was lower than normal daily energy requirements (p < 0.001), and decreased with age to 50% in prepubertal children. Energy intake in infants [m/f: 11/8; median (interquartile range [IQR]) age 2.7 years (1.5-3.2)] increased after 1 year of GH treatment (p = 0.008); this tended to be higher in the GH group than in the untreated group (p = 0.07). In prepubertal children [m/f: 14/14; median (IQR) age 6.8 years (5.1-8.1)], the increase in energy intake was higher in the GH group, but this was not different compared to the untreated group. REE was not different between the GH group and the untreated group. Increase in energy intake during 2 years of GH treatment was correlated with lower fat percentage standard deviation scores (p = 0.037) and higher adiponectin levels (p = 0.007). CONCLUSION Our study demonstrates that parents of children with PWS are very well capable of restricting energy intake up to 50% compared to daily energy requirements for age- and sex-matched healthy children. GH treatment was associated with a slight increase in energy intake, but also improved body composition and adiponectin levels, which suggests a protective effect of GH treatment.
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Affiliation(s)
- N E Bakker
- Dutch Growth Research Foundation/Erasmus Medical Center-Sophia Children's Hospital, Rotterdam, the Netherlands
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Moore WV, Nguyen HJ, Kletter GB, Miller BS, Rogers D, Ng D, Moore JA, Humphriss E, Cleland JL, Bright GM. A Randomized Safety and Efficacy Study of Somavaratan (VRS-317), a Long-Acting rhGH, in Pediatric Growth Hormone Deficiency. J Clin Endocrinol Metab 2016; 101:1091-7. [PMID: 26672637 PMCID: PMC4803167 DOI: 10.1210/jc.2015-3279] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Somavaratan (VRS-317) is a long-acting form of recombinant human GH under development for children and adults with GH deficiency (GHD). OBJECTIVES To determine the optimal somavaratan dose regimen to normalize IGF-1 in pediatric GHD and to evaluate safety and efficacy of somavaratan over 6 months. DESIGN Open-label, multicenter, single ascending dose study followed by 6-month randomized comparison of 3 dosing regimens. SETTING Twenty-five United States pediatric endocrinology centers. PATIENTS Naive-to-treatment, prepubertal children with GHD (n = 68). INTERVENTION(S) Patients received single sc doses of somavaratan (0.8, 1.2, 1.8, 2.7, 4.0, or 6.0 mg/kg) during the 30-day dose-finding phase, then were randomized to somavaratan 1.15 mg/kg weekly, 2.5 mg/kg twice monthly, or 5.0 mg/kg monthly for 6 months. MAIN OUTCOME MEASURES Safety, pharmacokinetics, pharmacodynamics, 6-month height velocity (HV). RESULTS Somavaratan pharmacokinetics was linearly proportional to dose; dose-dependent increases in the magnitude and duration of IGF-1 responses enabled weekly, twice-monthly or monthly dosing. A single dose of somavaratan sustained IGF-1 responses for up to 1 month. No somavaratan or IGF-1 accumulation occurred with repeat dosing. Mean annualized HVs for somavaratan administered monthly, twice monthly, or weekly (7.86 ± 2.5, 8.61 ± 2.7, and 7.58 ± 2.5 cm/y, respectively) were similar between groups. Adverse events were mostly mild and transient. CONCLUSIONS Somavaratan demonstrated clinically meaningful improvements in HV and IGF-1 in prepubertal children with GHD, with no significant differences between monthly, twice-monthly, or weekly dosing.
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Affiliation(s)
- Wayne V Moore
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Huong Jil Nguyen
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Gad B Kletter
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Bradley S Miller
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Douglas Rogers
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - David Ng
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Jerome A Moore
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Eric Humphriss
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - Jeffrey L Cleland
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
| | - George M Bright
- Department of Endocrinology and Diabetes (W.V.M.), University of Missouri-Kansas City School of Medicine, Kansas City, Missouri 64111; Sierra Medical Research (H.J.N.), Clovis, California 93612; Mary Bridge Children's Hospital (G.B.K.), Tacoma, Washington 98405; Department of Pediatrics (B.S.M.), University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota 55454; Center for Pediatric Endocrinology (D.R.), Cleveland Clinic, Cleveland, Ohio 44195; ResearchPoint Global, Inc (D.N.), Austin, Texas 78735; Pacific BioDevelopment (J.A.M.), Emeryville, California 94608; and Versartis, Inc (E.H., J.L.C., G.M.B.), Menlo Park, California 94025
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Butler MG, Manzardo AM, Forster JL. Prader-Willi Syndrome: Clinical Genetics and Diagnostic Aspects with Treatment Approaches. Curr Pediatr Rev 2016; 12:136-66. [PMID: 26592417 PMCID: PMC6742515 DOI: 10.2174/1573396312666151123115250] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 11/18/2015] [Accepted: 11/19/2015] [Indexed: 11/22/2022]
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is a neuro-developmental genetic disorder due to lack of expression of genes inherited from the paternal chromosome 15q11-q13 region with three main genetic subtypes. These include paternal 15q11-q13 deletion (about 70% of cases), maternal uniparental disomy 15 or both 15s from the mother (20-30% of cases), and defects in the imprinting center (1-3%) which controls the expression of imprinted genes in this chromosome region. Clinical manifestations include infantile hypotonia with a poor suck resulting in failure to thrive, short stature, small hands/feet and hypogonadism/hypogenitalism due to growth and other hormone deficiencies, hyperphagia and excessive weight gain with obesity and cognitive and behavioral problems including obsessive compulsions, tantrums and self-injury. The phenotype is likely related to hypothalamic dysfunction. OBJECTIVE Hyperphagia and obesity with related complications are major causes of morbidity and mortality in PWS requiring accurate diagnosis, appropriate medical management and treatment; the major objective of our report. METHODS AND RESULTS An extensive review of the literature was undertaken including genetics, clinical and behavioral aspects, and updated health-related information addressing the importance of early diagnosis and treatment of individuals with Prader-Willi syndrome. A searchable, bulleted and formatted list of topics related to this obesity syndrome was provided utilizing a Table of Contents approach for the clinical practitioner. CONCLUSIONS Physicians and other health care providers can use this review with clinical, genetic and treatment summaries divided into sections that are pertinent in the context of clinical practice. Finally, frequently asked questions by clinicians, families and other interested participants will be addressed.
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Affiliation(s)
- Merlin G Butler
- University of Kansas Medical Center, Department of Psychiatry and Behavioral Sciences, 3901 Rainbow Boulevard, MS 4015, Kansas City, Kansas 66160, USA.
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Gumus Balikcioglu P, Balikcioglu M, Muehlbauer MJ, Purnell JQ, Broadhurst D, Freemark M, Haqq AM. Macronutrient Regulation of Ghrelin and Peptide YY in Pediatric Obesity and Prader-Willi Syndrome. J Clin Endocrinol Metab 2015; 100:3822-31. [PMID: 26259133 PMCID: PMC5399503 DOI: 10.1210/jc.2015-2503] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND The roles of macronutrients and GH in the regulation of food intake in pediatric obesity and Prader-Willi Syndrome (PWS) are poorly understood. OBJECTIVE We compared effects of high-carbohydrate (HC) and high-fat (HF) meals and GH therapy on ghrelin, insulin, peptide YY (PYY), and insulin sensitivity in children with PWS and body mass index (BMI) -matched obese controls (OCs). METHODS In a randomized, crossover study, 14 PWS (median, 11.35 y; BMI z score [BMI-z], 2.15) and 14 OCs (median, 11.97 y; BMI-z, 2.35) received isocaloric breakfast meals (HC or HF) on separate days. Blood samples were drawn at baseline and every 30 minutes for 4 hours. Mixed linear models were adjusted for age, sex, and BMI-z. RESULTS Relative to OCs, children with PWS had lower fasting insulin and higher fasting ghrelin and ghrelin/PYY. Ghrelin levels were higher in PWS across all postprandial time points (P < .0001). Carbohydrate was more potent than fat in suppressing ghrelin levels in PWS (P = .028); HC and HF were equipotent in OCs but less potent than in PWS (P = .011). The increase in PYY following HF was attenuated in PWS (P = .037); thus, postprandial ghrelin/PYY remained higher throughout. A lesser increase in insulin and lesser decrease in ghrelin were observed in GH-treated PWS patients than in untreated patients; PYY responses were comparable. CONCLUSION Children with PWS have fasting and postprandial hyperghrelinemia and an attenuated PYY response to fat, yielding a high ghrelin/PYY ratio. GH therapy in PWS is associated with increased insulin sensitivity and lesser postprandial suppression of ghrelin. The ratio Ghrelin/PYY may be a novel marker of orexigenic drive.
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Affiliation(s)
- Pinar Gumus Balikcioglu
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Metin Balikcioglu
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Michael J Muehlbauer
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Jonathan Q Purnell
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - David Broadhurst
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Michael Freemark
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Andrea M Haqq
- Division of Pediatric Endocrinology and Diabetes (P.G.B., M.F.), Duke University Medical Center, Durham, North Carolina 27710; Advanced Analytics (M.B.), SAS Institute Inc., Cary, North Carolina 27513; Duke Molecular Physiology Institute (M.J.M., M.F.), Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, North Carolina 27710; Knight Cardiovascular Institute (J.Q.P.), Oregon Health & Science University, Portland, Oregon 97239; and Department of Medicine (D.B.) and Division of Pediatric Endocrinology and Diabetes (A.M.H.), University of Alberta, Edmonton, AB T6G 2R3 Canada
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Reus L, Pillen S, Pelzer BJ, van Alfen-van der Velden JAAEM, Hokken-Koelega ACS, Zwarts M, Otten BJ, Nijhuis-van der Sanden MWG. Growth hormone therapy, muscle thickness, and motor development in Prader-Willi syndrome: an RCT. Pediatrics 2014; 134:e1619-27. [PMID: 25422026 DOI: 10.1542/peds.2013-3607] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To investigate the effect of physical training combined with growth hormone (GH) on muscle thickness and its relationship with muscle strength and motor development in infants with Prader-Willi syndrome (PWS). METHODS In a randomized controlled trial, 22 infants with PWS (12.9 ± 7.1 months) were followed over 2 years to compare a treatment group (n = 10) with a waiting-list control group (n = 12). Muscle thickness of 4 muscle groups was measured by using ultrasound. Muscle strength was evaluated by using the Infant Muscle Strength meter. Motor performance was measured with the Gross Motor Function Measurement. Analyses of variance were used to evaluate between-group effects of GH on muscle thickness at 6 months and to compare pre- and posttreatment (after 12 months of GH) values. Multilevel analyses were used to evaluate effects of GH on muscle thickness over time, and multilevel bivariate analyses were used to test relationships between muscle thickness, muscle strength, and motor performance. RESULTS A significant positive effect of GH on muscle thickness (P < .05) was found. Positive relationships were found between muscle thickness and muscle strength (r = 0.61, P < .001), muscle thickness and motor performance (r = 0.81, P < .001), and muscle strength and motor performance (r = 0.76, P < .001). CONCLUSIONS GH increased muscle thickness, which was related to muscle strength and motor development in infants with PWS. Catch-up growth was faster in muscles that are most frequently used in early development. Because this effect was independent of GH, it suggests a training effect.
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Affiliation(s)
- Linda Reus
- Department of Rehabilitation, Pediatric Physical Therapy, Scientific Institute for Quality of Healthcare,
| | - Sigrid Pillen
- Child Development and Exercise Center, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands
| | | | | | - Anita C S Hokken-Koelega
- Dutch Growth Research Foundation, Rotterdam, Netherlands; Department of Pediatric Endocrinology, Erasmus Medical Centre Rotterdam, Rotterdam, Netherlands; and
| | | | - Barto J Otten
- Department of Pediatric Endocrinology, Radboud University Medical Center, Nijmegen, Netherlands
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Kim YJ, Cheon CK. Prader-Willi syndrome: a single center's experience in Korea. KOREAN JOURNAL OF PEDIATRICS 2014; 57:310-6. [PMID: 25114691 PMCID: PMC4127393 DOI: 10.3345/kjp.2014.57.7.310] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 01/08/2014] [Accepted: 03/11/2014] [Indexed: 11/27/2022]
Abstract
PURPOSE Prader-Willi syndrome (PWS) is a complex genetic disorder that results from the lack of paternally expressed genes in the chromosome 15q11-q13 region. This study was performed to delineate the clinical features of PWS infants and toddlers and the effects of two-year growth hormone (GH) treatment according to gender and age at the start of treatment. METHODS The clinical characteristics and the results of the GH treatment were reviewed retrospectively for 30 PWS patients diagnosed by molecular genetic testing and clinical manifestations. RESULTS The mean age at diagnosis with PWS was 13.7 months (2-47 months of age). All patients showed the characteristics of facial dysmorphism, including brown hair and almond-shaped eyes. Most patients showed developmental delays/mental retardation (93.3%), cryptorchidism (75%), feeding problems in infancy (73.3%), and neonatal or infantile hypotonia (66.7%). Among 30 patients, 14 PWS infants and toddlers had been treated with GH for more than two years. Two years of GH treatment resulted in an improvement in head circumference-standard deviation score (HC-SDS), body weight-SDS, insulin-like growth factor-1 (IGF-1) SDS, IGF binding protein-3 (IGFBP-3) SDS, lean body mass, and bone mineral content, especially in IGFBP-3 SDS and motor development in PWS patients younger than two years of age. There was significant increase in IGF-1 SDS and IGFBP-3 SDS among male PWS patients after GH treatment. CONCLUSION Our study showed increases in IGFBP-3 SDS and an improvement in motor development among individuals under two years of age after GH treatment, and significant difference in IGF-1 SDS and IGFBP-3 SDS by gender.
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Affiliation(s)
- Yea Ji Kim
- Department of Pediatrics, Pusan National University School of Medicine, Yangsan, Korea
| | - Chong Kun Cheon
- Department of Pediatrics, Pusan National University School of Medicine, Yangsan, Korea. ; Department of Pediatrics, Pediatric Endocrinoloy and Metabolism, Pusan National University Children's Hospital, Yangsan, Korea. ; Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
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Alatzoglou KS, Webb EA, Le Tissier P, Dattani MT. Isolated growth hormone deficiency (GHD) in childhood and adolescence: recent advances. Endocr Rev 2014; 35:376-432. [PMID: 24450934 DOI: 10.1210/er.2013-1067] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The diagnosis of GH deficiency (GHD) in childhood is a multistep process involving clinical history, examination with detailed auxology, biochemical testing, and pituitary imaging, with an increasing contribution from genetics in patients with congenital GHD. Our increasing understanding of the factors involved in the development of somatotropes and the dynamic function of the somatotrope network may explain, at least in part, the development and progression of childhood GHD in different age groups. With respect to the genetic etiology of isolated GHD (IGHD), mutations in known genes such as those encoding GH (GH1), GHRH receptor (GHRHR), or transcription factors involved in pituitary development, are identified in a relatively small percentage of patients suggesting the involvement of other, yet unidentified, factors. Genome-wide association studies point toward an increasing number of genes involved in the control of growth, but their role in the etiology of IGHD remains unknown. Despite the many years of research in the area of GHD, there are still controversies on the etiology, diagnosis, and management of IGHD in children. Recent data suggest that childhood IGHD may have a wider impact on the health and neurodevelopment of children, but it is yet unknown to what extent treatment with recombinant human GH can reverse this effect. Finally, the safety of recombinant human GH is currently the subject of much debate and research, and it is clear that long-term controlled studies are needed to clarify the consequences of childhood IGHD and the long-term safety of its treatment.
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Affiliation(s)
- Kyriaki S Alatzoglou
- Developmental Endocrinology Research Group (K.S.A., E.A.W., M.T.D.), Clinical and Molecular Genetics Unit, and Birth Defects Research Centre (P.L.T.), UCL Institute of Child Health, London WC1N 1EH, United Kingdom; and Faculty of Life Sciences (P.L.T.), University of Manchester, Manchester M13 9PT, United Kingdom
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Abstract
Prader-Willi syndrome (PWS) is a rare multisystem genetic disorder demonstrating great variability with changing clinical features during patient's life. It is characterized by severe hypotonia with poor sucking and feeding difficulties in early infancy, followed by excessive eating and gradual development of morbid obesity in later infancy or early childhood. The phenotype is most probably due to hypothalamic dysfunction which is also responsible for growth hormone (GH) and thyroid-stimulating hormone (TSH) deficiencies, central adrenal insufficiency and hypogonadism. The multidimensional problems of patients with PWS can be managed with multidisciplinary approach. Reduced GH secretion, low peak GH response to stimulation, decreased spontaneous GH secretion and low serum IGF-1 levels in PWS patients have been documented in many studies. GH therapy has multiple beneficial effects on growth and body composition, motor and mental development in PWS patients. The recommended dosage for GH is 0.5-1 mg/m2/day. GH therapy should not be started in the presence of obstructive sleep apnea syndrome, adenotonsillar hypertrophy, severe obesity and diabetes mellitus. GH treatment should be considered for patients with genetically confirmed PWS in conjunction with dietary, environmental and life-style measures.
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Affiliation(s)
- Zehra Aycan
- Kayseri Training and Education Hospital, Department of Pediatric Endocrinology, Kayseri, Turkey.
| | - Veysel Nijat Baş
- Kayseri Training and Education Hospital, Department of Pediatric Endocrinology, Kayseri, Turkey
,* Address for Correspondence: Kayseri Training and Education Hospital, Department of Pediatric Endocrinology, Kayseri, Turkey Phone: +90 352 351 22 40/7112 E-mail:
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Polgreen LE, Thomas W, Orchard PJ, Whitley CB, Miller BS. Effect of recombinant human growth hormone on changes in height, bone mineral density, and body composition over 1-2 years in children with Hurler or Hunter syndrome. Mol Genet Metab 2014; 111:101-6. [PMID: 24368158 PMCID: PMC4018305 DOI: 10.1016/j.ymgme.2013.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 11/28/2013] [Accepted: 11/28/2013] [Indexed: 10/25/2022]
Abstract
Patients with Hurler or Hunter syndrome typically have moderate to severe growth deficiencies despite therapy with allogeneic hematopoietic stem cell transplantation and/or enzyme replacement therapy. It is unknown whether treatment with recombinant human growth hormone (hGH) can improve growth in these children. The objectives of this study were to determine the effects of hGH on growth, bone mineral density (BMD), and body composition in children with Hurler or Hunter syndrome enrolled in a longitudinal observational study. The difference in annual change in outcomes between hGH treated and untreated subjects was estimated by longitudinal regression models that adjusted for age, Tanner stage, and sex where appropriate. We report on 23 participants who completed at least 2 annual study visits (10 [43%] treated with hGH): Hurler syndrome (n=13) average age of 9.8 ± 3.1 years (range 5.3-13.6 years; 54% female) and Hunter syndrome (n=10) average age of 12.0 ± 2.7 years (range 7.0-17.0 years; 0% female). As a group, children with Hurler or Hunter syndrome treated with hGH had no difference in annual change in height (growth velocity) compared to those untreated with hGH. Growth velocity in hGH treated individuals ranged from -0.4 to 8.1cm/year and from 0.3 to 6.6 cm/year in the untreated individuals. Among children with Hunter syndrome, 100% (N=4) of those treated but only 50% of those untreated with hGH had an annual increase in height standard deviation score (SDS). Of the individuals treated with hGH, those with GHD had a trend towards higher annualized growth velocity compared to those without GHD (6.5 ± 1.9 cm/year vs. 3.5 ± 2.1cm/year; p=.050). Children treated with hGH had greater annual gains in BMD and lean body mass. In conclusion, although as a group we found no significant difference in growth between individuals treated versus not treated with hGH, individual response was highly variable and we are unable to predict who will respond to treatment. Thus, a trial of hGH may be appropriate in children with Hurler or Hunter syndrome, severe short stature, and growth failure. However, efficacy of hGH therapy should be evaluated after 1 year and discontinued if there is no increase in growth velocity or height SDS. Finally, the long-term benefits of changes in body composition with hGH treatment in this population are unknown.
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Affiliation(s)
- Lynda E Polgreen
- University of Minnesota, Department of Pediatrics, Minneapolis, MN, USA.
| | - William Thomas
- University of Minnesota, School of Public Health, Division of Biostatistics, Minneapolis, MN, USA.
| | - Paul J Orchard
- University of Minnesota, Department of Pediatrics, Minneapolis, MN, USA.
| | - Chester B Whitley
- University of Minnesota, Department of Pediatrics, Minneapolis, MN, USA.
| | - Bradley S Miller
- University of Minnesota, Department of Pediatrics, Minneapolis, MN, USA.
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Abstract
Prader Willi syndrome (PWS) is a genetic condition caused by loss of the paternal copy of a region of imprinted genes on chromosome 15. There is severe muscular hypotonia in the neonatal period, with the onset of hyperphagia and food-seeking behaviour in childhood. All individuals with PWS have developmental delay. Without careful control of food intake and the food environment, individuals with PWS become morbidly obese and are likely to die as young adults from the complications of obesity. The aims of growth hormone (GH) treatment in PWS are distinct from the use of GH in other conditions-although GH does increase final height in PWS, the main benefits of treatment are improved body composition and better exercise capacity, which can help with the aim of preventing obesity. GH trials in PWS have demonstrated improved muscle bulk, reduced fat mass and increased levels of physical activity. GH has also been demonstrated to improve attainment of developmental and cognitive milestones in children with PWS. GH treatment appears to change respiratory status in PWS, possibly because of growth of lymphoid tissue at the start of treatment. Respiratory assessment is recommended prior to, and just after starting GH treatment. Ideal age for starting GH is not clear, although there has been a trend towards starting at younger ages. It may be that GH treatment in childhood confers benefits into adult life. There are less data to support continuing GH treatment into adult life.
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