hrp0086p1-p197 | Diabetes P1 | ESPE2016

Diagnosis of Non-Autoimmune Paediatric Diabetes by Targeted Next Generation Sequencing (NGS): Findings in Two Families with Rare Mono- and Digenic forms of Diabetes

Poidvin Amelie , Donath Xavier , Saint-Martin Cecile , Loison Sylvie , Carel Jean-Claude , Bellanne-Chantelot Christine , Tubiana-Rufi Nadia

Background: Nearly 10% of paediatric onset diabetes are auto-antibodies negative. Among them monogenic diabetes are frequently under-diagnosed. The major increase in the prevalence of childhood obesity is misleading with a risk of confusion between type 2 diabetes (T2D) and monogenic causes of diabetes.Objective and hypotheses: To report on two informative families with negative auto-antibodies childhood-onset diabetes cases.Method...

hrp0086p2-p527 | Fat Metabolism and Obesity P2 | ESPE2016

Arbitrary Cutoffs Lead to Underestimation of Metabolic Abnormalities in Obese Children: The Value of Age- and Sex-adjusted Normative Values

Carlier Gonod Adele , Azar Ahlam , Lecomte Nathalie , Amouyal Perrod Melanie , Prevot Manon , Jacques Adeline , Guilmin Crepon Sophie , Claude Carel Jean

Background: Metabolic syndrome and insulin resistance are well recognized in adult obesity. Their criteria and prevalence and are still controversial in children.Objective and hypotheses: To evaluate the prevalence and natural history of clinical and biological parameters of the metabolic syndrome in a pediatric cohort of obese subjects. To identify metabolically healthy subjects and the persistence of this phenotype over time.Meth...

hrp0082p1-d2-251 | Thyroid (1) | ESPE2014

Triiodothyronine-Predominant Graves’ Disease (T3-P-GD): Description and Management in Childhood

Harvengt Julie , Boizeau Priscilla , Zenaty Delphine , Paulsen Anne , Simon Dominique , Crepon Sophie Guilmin , Alberti Corinne , Carel Jean-Claude , Leger Juliane

Background: T3-P-GD, a severe, rare disorder well known in adults, has not previously been described in children. It is characterized by persistently high serum fT3 concentration and normal, or even low, fT4 concentration during drug treatment. This condition is associated with very high titers of TRAb and large goiters, but its pathogenesis remains unclear. The recognition of this form of GD in children is of particular importance, as higher antithyroid ...

hrp0082p2-d2-468 | Growth (1) | ESPE2014

Successful GH Treatment for Severe Growth Failure in Paediatric Patients with Anorexia Nervosa

Fjellestad-Paulsen Anne , Bargiacchi Anne , Doyen Catherine , Raverdy Cecile , Carel Jean-Claude , Leheuzey Marie-France , Leger Juliane

Background: Anorexia nervosa (AN), a state of chronic nutritional deprivation prevalent in children and young adolescents, is associated with major changes to the hypothalamic–pituitary axis including the GH–IGF1 axis, thyroid function, hypercortisolemia, and hypogonadotropic–hypogonadism, with delayed puberty and a low growth velocity (GV) at a time critical for the pubertal growth spurt, potentially affecting adult height. The effects of supraphysiological hum...

hrp0097fc12.5 | Thyroid | ESPE2023

Teprotumumab in an adolescent with severe corticosteroid-resistant Graves ophthalmopathy: success but unexpected neurological manifestations

Atger-Lallier Laura , Elmaleh Monique , Pedron Beatrice , Storey Caroline , De Filippo Gianpaolo , Martinerie Laetitia , Leger Juliane , Carel Jean-Claude

Moderate to severe Graves ophthalmopathy (GO) is rare in children and most patients have mild GO. This complex inflammatory autoimmune disorder affecting the orbital fat and muscles is linked to circulating TSH receptor antibodies and involves the insulin-like growth factor-I receptor (IGF-IR) on orbital fibroblasts. Severe GO features include proptosis, diplopia and vision loss. Intravenous glucocorticoid pulse therapy is the first line medical treatment for moderate to sever...

hrp0097p1-311 | Growth and Syndromes | ESPE2023

Management of rhGH treatment in children with CKD in current clinical practice: a multicentric study

Labey Séverine , Hogan Julien , Salomon Rémi , Ulinski Tim , Boizeau Priscilla , Carel Jean-Claude , Simon Dominique

Introduction: Growth retardation < –2 SDS is frequently observed in children with chronic kidney disease (CKD) and is a marker of severity of CKD. Recombinant human growth hormone (rhGH) treatment has been approved since 1995 in CKD patients. The aim of this study was to describe the growth outcomes and treatment patterns in children with congenital CKD.Methods: Patients were recruited from transplantation recor...

hrp0092rfc3.2 | Multi-system Endocrine Disorders | ESPE2019

Factors Affecting Loss to Follow-Up for Patients with Chronic Endocrine Conditions During the Pediatric Period: A Cohort Study at a Reference Center for Rare Diseases

Atger-Lallier Laura , Guilmin-Crepon Sophie , Boizeau Priscilla , Zenaty Delphine , Simon Dominique , Paulsen Anne , Martinerie Laetitia , Storey Caroline , Carel Jean-Claude , Leger Juliane

Introduction: Most patients with endocrine diseases diagnosed during childhood require long-term continuity of care. A lack of regular medical follow-up visits may be associated with impaired long-term health outcomes, with greater risks of morbidity and mortality. The importance and challenges of the transition from pediatric to adult healthcare are well recognized, but few studies have considered loss to follow-up during pediatric care. We investigated the p...

hrp0089rfc9.5 | Pituitary, Neuroendocrinology and Puberty 1 | ESPE2018

Non-Isolated Central Precocious Puberty: Prevalence of Brain Lesions and Other Associated Disorders

Wannes Selmen , El Maleh Monique , De Roux Nicolas , Zenaty Delphine , Simon Dominique , Martinerie Laetitia , Storey Caroline , Gelwane Georges , Paulsen Anne , Ecosse Emmanuel , Jean-claude Carel , Juliane Leger

Background: Non-idiopathic central precocious puberty (CPP) is caused by acquired or congenital hypothalamic lesions visible on magnetic resonance imaging (MRI), or associated with various complex genetic and/or syndromic disorders without visible lesions on MRI. We investigated the different types and prevalences of non-isolated CPP phenotypes in a large group of consecutive patients with CPP.Methods: This observational cohort study included all patient...

hrp0089p1-p159 | Growth &amp; Syndromes P1 | ESPE2018

Does X-Chromosome Gene Dosage Determine Growth and Phenotypic Features in Turner Syndrome with 45,X/46,XX Mosaicism on Standard Karyotyping? A Cross-Sectional Analysis of the French National Rare Disease Network Database

Fiot Elodie , Zenaty Delphine , Pick Paul , Boizeau Patricia , Haignere Jeremy , Dos Santos Sophie , Christin-Maitre Sophie , Carel Jean-Claude , Leger Juliane , Turner Syndrome Study Group French

Background: Turner Syndrome (TS) with a 45,X phenotype is generally more severe than TS with mosaicism, but the potential role of the degree of mosaicism in modulating TS phenotype has never been investigated. We assessed the impact of various degrees of 45,X/ 46,XX mosaicism on phenotypic features in a cohort of TS patients.Method: We analysed a cohort of TS with 45,X/ 46,XX mosaicism (percentage mosaicism from peripheral blood lymphocytes, known in <em...

hrp0089p1-p248 | Thyroid P1 | ESPE2018

Early Determinants of Thyroid Function Outcome in Children with Congenital Hypothyroidism and a Normally Located Thyroid Gland: A Regional Cohort Study

Saba Carole , Guilmin-Crepon Sophie , Zenaty Delphine , Martinerie Laetitia , Paulsen Anne , Simon Dominique , Santos Sophie Dos , Haignere Jeremy , Mohamed Damir , Jean-Claude Carel , Juliane Leger

Background: An increase in the incidence of congenital hypothyroidism (CH) with a normally located gland has been reported worldwide. Affected individuals display transient or permanent CH during follow-up in childhood. We aimed to determine the prevalence of transient CH and to assess the possibility of distinguishing between transient and permanent CH in early infancy.Methods: This observational cohort study included all patients identified by systemat...