ESPE Abstracts

Introduction: Differentiation between constitutional delay of growth and puberty (CDGP) and congenital hypogonadotropic hypogonadism (CHH) during early adolescence is challenging, as patients exhibit a similar clinical picture and there are no definite clinical or biochemical markers that distinguish these 2 pathologies. A delay in diagnosis, especially for CHH, may have short and long-term health consequences. The aims of this study were: 1) To evaluate the u...

Background: PAPP-A2 is a metalloproteinase that specifically cleaves IGFBPs 3 and 5. Papp-a2 knock-out (KO) mice show a reduction in body size and skeletal abnormalities.Objective and hypotheses: Our objective is to report two affected families from Spain and USA. The Spanish family presents a homozygous frameshift mutation in exon 3 of the PAPP-A2 gene (c.1927_ 1928insAT, p.D643fs25X) resulting in a premature stop codon, with 2 of 4 si...

Background: Congenital Hypopituitarism (CH) is a rare heterogeneous genetic disorder characterized by the deficiency of pituitary hormones. CH can be associated with extra pituitary phenotypes such as midline craniofacial malformations. To date, a minority of patients carry pathogenic variants in more than 30 genes, and thus more than 80% of cases remain unresolved.Objective: To identify de novo pathogenic variants in no...

Background and aim: Congenital growth hormone deficiency (cGHD) is a rare but life-threatening condition whose diagnosis is challenging in the absence of reliable reference values, both in healthy neonates and in preterm ones. We recently estimated GH reference interval in 1036 healthy, at-term newborns (HN) form dried blood spot samples using a previously validated analytical method.Aim: of this study is to provide valu...

Background: Type 2 diabetes (T2D) is an emerging disease in the pediatric population. The association between T2D and non-alcoholic fatty liver disease (NAFLD) has been described; the mechanisms responsible for the development and progression of NAFLD are incompletely understood. Evidence of high Haemoglobin A1c (HbA1c) levels and the risk of diabetes complications has been demostrated. Recent evidence suggests that metabolic control may have a role in the dev...

Background: Steroidogenic factor 1 (SF1), encoded by the gene NR5A1, is a member of the orphan nuclear receptor superfamily and important regulator of gonadal and adrenal function. Variations in SF1 lead to a spectrum of conditions including 46,XY DSD, hypospadias, adrenal insufficiency, male factor infertility, and primary ovarian insufficiency. Inheritance patterns can be complicated (e.g. de novo dominant, sex-limited dominant, and autosomal recessive). In...

Background: Brain tumours are the most frequent solid tumours during childhood. Many of these patients develop endocrine disorders.Objective: To describe our cohort of patients with primary brain tumours, followed in the Pediatric Endocrinology Unit at Hôpital Universitaire Necker–Enfants Malades, Paris, France between 2010–2015, to assess current practice and propose recommendations.Methods: Retrospective a...

Background: Recurrence of craniopharyngiomas influences mortality. Apart from the extent of surgical resection, few clinical parameters have been consistently shown to be associated with recurrence. Radical resection is difficult due to infiltration of surrounding tissue and unacceptable morbidity. Predictors of recurrence are therefore needed.Aim: To establish a multinational cohort of patients with craniopharyngioma an...

Background: Most studies examined immune/inflammatory parameters in type 1 diabetes mellitus (T1D) showing discrepant results and not yield definitive conclusions. A study carried out by our group in 2013 compared meta-immunologic profiles of three groups: high-risk children, newly diagnosed children affected by T1D and controls.Objective and hypotheses: To compare metabolic profile in three groups: children affected by T1D and an additional autoimmune d...

Background: Childhood brain tumour survivors are at risk of developing endocrine secondary effects throughout lifetime. Transition between childhood and adult care is a critical moment during which patients may stop medical visits and treatments.Objective: To describe endocrine care transition in our cohort of patients with primary brain tumors followed from 2010-2015, who are ≥=18 years old by December 31st</...