hrp0094p2-297 | Growth and syndromes (to include Turner syndrome) | ESPE2021

The efficacy and safety of recombinant biosimilar growth hormone treatment in children with GHD and SGA: a Czech retrospective national longitudinal study

Snajderova Marta , Zemkova Daniela , Sumnik Zdenek , Zapletalova Jirina , Pomahacova Renata , Pruhova Stepanka , Cermak Jakub , Sadovska Barbora ,

Objectives: Recombinant growth hormone (rhGH) treatment helps to achieve a final height close to the parental growth potential in children with GH deficiency (GHD) and small for gestational age (SGA). Less is known about efficacy and safety of long term therapy with biosimilar rhGH. The aim of our study is to assess height gain and safety of therapy with biosimilar rhGH (Omnitrope®, Sandoz) in Czech children with GHD and SGA over the first three years of ...

hrp0082p2-d1-458 | Growth | ESPE2014

Two Duplications Within PAR1 in a Family With Idiopathic Short Stature

Obermannova Barbora , Drabova Jana , Dusatkova Petra , Lebl Jan

Background: Short stature homeobox-containing gene (SHOX) is located within the pseudoautosomal region 1 (PAR1) of the sex chromosomes. SHOX mutations and PAR1 deletions encompassing SHOX or its upstream/downstream enhancers have been identified in ~60% of Léri-Weill dyschondrosteosis (LWD) and ~5–15% of idiopathic short stature (ISS) patients. Recently SHOX duplications have been described in LWD/ISS individuals.Case presentation: The boy was ...

hrp0084p2-266 | Diabetes | ESPE2015

Increased Arterial Wall Stiffness in Children with Type 1 Diabetes and Poor Metabolic Control: An Early Marker of Vascular Complications?

Obermannova Barbora , Petruzelkova Lenka , Sulakova Terezie , Sumnik Zdenek

Background: The prevalence of macrovascular complications is probably underestimated in children with type 1 diabetes (T1D). Arterial stiffness (AS) represents a subclinical marker of CV risk. The most validated non-invasive method for AS measurement is pulse wave velocity (PWV). There are limited numbers of studies with PWV on children with T1D.Aim: Our aim was to assess the relationship between AS and parameters associated with metabolic control in chi...

hrp0086rfc5.7 | Management of Disorders of Insulin Secretion | ESPE2016

Early Successful Hematopoietic Cell Transplantation (HSCT) in a Boy with IPEX Syndrome Caused by Novel C.721T>C FOXP3 Mutation

Obermannova Barbora , Formankova Renata , Sumnik Zdenek , Dusatkova Lenka , Pruhova Stepanka , Kayserova Jana , Sedlacek Petr , Lebl Jan

Background: IPEX (OMIM #304790) is a rare and fatal, X-linked immune dysregulatory disorder caused by mutation in transcription factor FOXP3 that result in either quantitative or functional deficiencies of Tregs causing autoimmune disease and allergic inflammation. HSCT is the only curative therapy available for IPEX patients.Objective: Presented boy was born at 38th GW with birth weight 3380 g and birth length 50 cm. Three maternal brothers d...

hrp0086p1-p229 | Diabetes P1 | ESPE2016

Phenotypic Variability of Identical Mutations in the ABCC8 Gene in Two Families

Rozenkova Klara , Zapletalova Jirina , Dusatkova Lenka , Dusatkova Petra , Obermannova Barbora , Pruhova Stepanka , Lebl Jan , Sumnik Zdenek

Background: Mutations in the SUR1 subunit of the KATP channel encoded by the ABCC8 gene can result in diverse phenotypes ranging from Transient Neonatal Diabetes (TNDM) to type 2 diabetes in adulthood. These patients may benefit from sulphonylurea treatment.Objective and hypotheses: To describe the course of diabetes in two families with ABCC8 gene mutations and to assess the effect of sulphonylurea treatment.<p class="ab...

hrp0082p1-d2-74 | Diabetes (1) | ESPE2014

Transient Hyperglycaemia Preceded by Neonatal Hyperinsulinaemic Hypoglycaemia in an Infant with a Novel HNF1A Mutation

Obermannova Barbora , Rozenkova Klara , Dusatkova Petra , Pruhova Stepanka , Sumnik Zdenek , Lebl Jan

Background: The phenotype associated with heterozygous HNF1A gene mutations has recently been extended to include neonatal hyperinsulinaemic hypoglycaemia (HH) in addition to maturity-onset diabetes of the young (HNF1A–MODY).Objective and hypotheses: The baby boy was born at 38th week of gestation; BW 4110 g; BL 53 cm (LGA). The mother had gestational diabetes; her father is treated for diabetes mellitus from the age of 50 years. The boy de...

hrp0097p2-11 | Growth and Syndromes | ESPE2023

GH-IGF-1 axis in PTPN11 and non-PTPN11 Noonan syndrome: Effects on growth and response to GH treatment

Jírová Barbora , Kodytková Aneta , Dušátková Petra , Koloušková Stanislava , Obermannová Barbora , Průhová Štěpánka , Šnajderová Marta , Šumník Zdeněk , Lebl Jan

Introduction: The mechanisms underlying short stature in Noonan Syndrome (NS) are poorly understood and may include inadequate GH secretion or action, decreased IGF-1 production, growth plate dysfunction, or other factors. In this retrospective study, we aimed to evaluate the function of the GH-IGF-1 axis in NS.Method: We took all patients with genetically proven Noonan syndrome among 1001 children and adolescents curren...

hrp0092rfc6.6 | Bone, Growth Plate and Mineral Metabolism Session 2 | ESPE2019

Genetic Aetiology Predicts Growth Hormone (GH) Treatment Outcomes in Children Born Small-For-Gestational-Age with Persistent Short Stature (SGA-SS). Lessons from a Single-Centre Cohort

Lebl Jan , Toni Ledjona , Plachy Lukas , Kucerova Petra , Elblova Lenka , Sumnik Zdenek , Kolouskova Stanislava , Snajderova Marta , Obermannova Barbora , Pruhova Stepanka

Background: SGA-SS, defined as birth weight and/or birth length below -2SD for gestational age and postnatal statural height below -2.5SD according to age- and sex-specific standards, is a heterogeneous condition reflexing exogenous (maternal, placental) or endogenous (foetal) inadequacies. Within the past two decades, a handful of genetic causes of SGA-SS have been elucidated. However, how each genetic aetiology impacts individual GH treatment outcomes awaits...

hrp0092rfc14.2 | Adrenals and HP Axis | ESPE2019

Deciphering Genetic Aetiology Among Children Born Small-For-Gestational-Age with Persistent Short Stature (SGA-SS): Phenotypic Characteristics at Diagnosis in a Large Single-Centre Cohort

Toni Ledjona , Plachy Lukas , Kucerova Petra , Elblova Lenka , Sumnik Zdenek , Kolouskova Stanislava , Snajderova Marta , Obermannova Barbora , Pruhova Stepanka , Lebl Jan

Background: SGA-SS is a heterogeneous condition defined as birth weight and/or birth length below -2SD for gestational age and postnatal height below -2.5SD, according to age-and sex-specific normative values. Despite being an indication for growth hormone (GH) therapy for 15 years, aetiology and prediction of treatment outcomes in most of SGA-SS children awaits elucidation.Aim: To decipher genetic aetiologies among a la...

hrp0082p1-d1-183 | Perinatal and Neonatal Endocrinology | ESPE2014

Molecular Genetic Analysis of Czech Patients with Congenital Hyperinsulinism: Surprisingly High Incidence of HNF1A Mutations

Rozenkova Klara , Dusatkova Lenka , Dusatkova Petra , Kytnarova Jitka , Obermannova Barbora , Rypackova Blanka , Sumnik Zdenek , Lebl Jan , Cinek Ondrej , Pruhova Stepanka

Background: Congenital hyperinsulinism of infancy represents a group of heterogeneous disorders characterized by over-secretion of insulin from pancreatic β cells causing severe hypoglycemia. Genetically, congenital hyperinsulinism is caused by defects in key genes regulating insulin secretion (ABCC8, KCNJ11, GLUD1, GCK, HADH, SLC16A1, UCP2, HNF4A, and non-constantly HNF1A). The aim of our pr...