ESPE Abstracts

Hypophosphatasia (HPP) is a rare, inherited, systemic disease caused by mutation(s) of the ALPL gene encoding tissue-nonspecific alkaline phosphatase (ALP), resulting in deficient ALP activity. Asfotase alfa is an enzyme replacement therapy approved for treatment of patients with pediatric-onset HPP. The global HPP Registry is an observational, prospective, multinational study (NCT02306720; EUPAS13514) established to collect real world clinical data from patients of a...

Introduction: Treatment with recombinant growth hormone (rGH) is safe and has greatly improved the approach of children and adolescents with growth hormone deficiency (GHD) and other growth disorders. Some studies show that most of the height gain associated with GH treatment occurs in prepubertal years. The aim of our study was to evaluate the effect of age at start of the treatment on final height in children with isolated or GHD in a Portuguese cohort.<p class="abstext"...

Background: Most congenital adrenal hyperplasia (CAH) patients carry mutations derived from conversion events involving the pseudogene, and the remaining carry new mutations varying according to ethnicity. A good genotype-phenotype correlation is observed, allowing the use of molecular analysis in clinical practice.Objective and hypotheses: To review the molecular diagnosis in a large cohort of CAH patients in order to create a diagnostic panel in our po...

Background: Androgen Insensitivity Syndrome is a common form of 46,XY DSD. In the literature, 85–90% of patients with complete form of Androgen Insensitivity (CAIS) and 30% of patients with parcial form (PAIS) have the AR gene mutation identified, In most cases are found a missense mutation with aminoacid change. Mutations without aminoacid changes (silent mutations) are rarely related to human diseases and have never been identified in patients with CAIS.<p class="ab...

Background: Outcomes related to sexual life are poorly explored in 46,XY DSD patients and most studies focus only in 46,XX DSD (CAH). In 46,XY DSD the observations of sexual outcomes are scares, but they overall indicate that the SexQoL is impaired, particularly regarding sexual function and sexual satisfaction.Objective and hypotheses: To evaluate sexual outcomes in a cohort of patients with 46,XY in adulthood and compare these observations with the res...

Background: Few studies have focused on the quality of life (QoL) of patients with disorders of sex development (DSD).Objective and hypotheses: Our aim was to evaluate QoL in DSD patients with defined diagnoses followed until adulthood in a single tertiary centre.Method: Subjects: adult DSD patients (56 patients with 46,XX DSD – 49 with female social sex and seven with male social sex as well as 88 patients with 46,XY DSD &#15...

Background: X-linked hypophosphatemic rickets (XLH) is caused by inactivating mutations in the phosphate-regulating gene with homologies to endopeptidases on the X chromosome (PHEX). In this group of patients, data about renal calcifying disorders are scarce.Objective and hypotheses: To determine the prevalence of nephrocalcinosis and nephrolithiasis and their risk factors in XLH patients.Method: 36 patients (15 children a...

Differences of sex development (DSD) occurs when the development of chromosomal sex, gonadal or internal/external genitalia is atypical. It has an incidence of 1: 1000-4500 live born children. New chromosomal array technologies (SNP-array) can analyze the genome of the individual providing information of copy number variation (CNV) of specific chromosomal regions helping to identified pathogenic variants that could explain the etiology of the DSD. This study aims to analyze th...

Introduction: Neonatal Diabetes Mellitus (NDM) is characterised by severe hyperglycaemia, usually diagnosed in the first 6 months of life. Genetic diagnosis helps distinguishing between its different causes and between transient (TNDM) and permanent (PNDM) forms, with repercussions on the therapeutic approach and follow-up.Aim: Clinical and molecular characterisation of a series of NMD cases under endocrinological follow...

Introduction: The Body Mass Index (BMI) is an essential indicator for the nutritional assessment of children and reflects the exposure to health conditions that are harmful to the development of this population.Objective: To analyze the temporal trends of the BMI of Brazilian children aged 5-10 between 2010 and 2022.Patients and methods: Descriptive ecological study. Data obtained ...