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Phenotype, treatment practice and outcome in the cobalamin-dependent remethylation disorders and MTHFR deficiency: Data from the E-HOD registry

M. Huemer, D. Diodato, D. Martinelli, G. Olivieri, H. Blom, F. Gleich, S. Kölker, V. Kožich, AA. Morris, B. Seifert, DS. Froese, MR. Baumgartner, C. Dionisi-Vici, EHOD consortium, CA. Martin, M. Baethmann, D. Ballhausen, J. Blasco-Alonso, N. Boy,...

. 2019 ; 42 (2) : 333-352. [pub] 20190217

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc20022864

AIM: To explore the clinical presentation, course, treatment and impact of early treatment in patients with remethylation disorders from the European Network and Registry for Homocystinurias and Methylation Defects (E-HOD) international web-based registry. RESULTS: This review comprises 238 patients (cobalamin C defect n = 161; methylenetetrahydrofolate reductase deficiency n = 50; cobalamin G defect n = 11; cobalamin E defect n = 10; cobalamin D defect n = 5; and cobalamin J defect n = 1) from 47 centres for whom the E-HOD registry includes, as a minimum, data on medical history and enrolment visit. The duration of observation was 127 patient years. In 181 clinically diagnosed patients, the median age at presentation was 30 days (range 1 day to 42 years) and the median age at diagnosis was 3.7 months (range 3 days to 56 years). Seventy-five percent of pre-clinically diagnosed patients with cobalamin C disease became symptomatic within the first 15 days of life. Total homocysteine (tHcy), amino acids and urinary methylmalonic acid (MMA) were the most frequently assessed disease markers; confirmatory diagnostics were mainly molecular genetic studies. Remethylation disorders are multisystem diseases dominated by neurological and eye disease and failure to thrive. In this cohort, mortality, thromboembolic, psychiatric and renal disease were rarer than reported elsewhere. Early treatment correlates with lower overall morbidity but is less effective in preventing eye disease and cognitive impairment. The wide variation in treatment hampers the evaluation of particular therapeutic modalities. CONCLUSION: Treatment improves the clinical course of remethylation disorders and reduces morbidity, especially if started early, but neurocognitive and eye symptoms are less responsive. Current treatment is highly variable. This study has the inevitable limitations of a retrospective, registry-based design.

Agia Sofia Children's Hospital 1st Department of Pediatrics University of Athens Thivon and Levadias Athens Greece

Center for Molecular Diseases University Hospital Lausanne Lausanne Switzerland

Centre de Référence des Maladies Héréditaires du Métabolisme CHU La Timone Enfants Marseille France

Centre Inherited Metabolic Diseases Departments of Clinical Genetics and Paediatrics Copenhagen University Hospital Rigshospitalet Copenhagen Denmark

Centro Academico de Medicina de Lisboa Lisbon Portugal

Centro de Referência de Doencas Hereditárias do Metabolismo Centro de Desenvolvimento da Criança Hospital Pediátrico Centro Hospitalar e Universitário De Coimbra Coimbra Portugal

Charles Dent Metabolic Unit National Hospital for Neurology and Neurosurgery London UK

Children's National Rare Disease Institute Genetics and Metabolism Washington DC USA

Clinic for Pediatrics 1 Inherited Metabolic Disorders Medical University of Innsbruck Innsbruck Austria

Clinical Inherited Metabolic Disorders Birmingham Women's and Children's NHS Foundation Trust Birmingham UK

Department of Biostatistics at Epidemiology Biostatistics and Prevention Institute University Zürich Zürich Switzerland

Department of Internal Medicine Radboud University Medical Center Nijmegen The Netherlands

Department of Internal Medicine VU Medical Center Amsterdam The Netherlands

Department of Pediatrics and Adolescent Medicine Charles University 1st Faculty of Medicine and General University Hospital Prague Czech Republic

Department of Pediatrics and Adolescent Medicine Medical University Vienna Vienna Austria

Department of Pediatrics Salzburger Landeskliniken and Paracelsus Medical University Salzburg Austria

Department of Pediatrics Sozialpädiatrisches Zentrum Klinikum Dritter Orden München Nymphenburg Munich Germany

Department of Pediatrics University Hospital Marqués de Valdecilla Universidad de Cantabria Santander Spain

Division of Child Neurology and Metabolic Medicine Centre for Child and Adolescent Medicine Heidelberg Germany

Division of Gastroenterology and Nutrition University Children's Hospital Niño Jesús Madrid Spain

Division of Gastroenterology Hepatology and Nutrition Sant Joan de Déu Hospital Barcelona Spain

Division of Human Genetics The Children's Hospital of Philadelphia Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania

Division of Metabolism and Children's Research Center University Children's Hospital Zürich Switzerland radiz Rare Disease Initiative Zürich University Zürich Zürich Switzerland

Division of Metabolism and Children's Research Center University Children's Hospital Zürich Switzerland radiz Rare Disease Initiative Zürich University Zürich Zürich Switzerland Department of Pediatrics Landeskrankenhaus Bregenz Bregenz Austria

Division of Metabolism Bambino Gesù Children's Hospital Rome Italy

Evelina London Children's Hospital London UK

Hôpital Jeanne de Flandre Lille France

Hospital de Clínicas de Porto Alegre and Department of Genetics Universidade Federal do Rio Grande do Sul Porto Alegre Brazil

Hospital Infantil Miguel Servet Zaragoza Spain

Hospital Universitario Río Hortega Valladolid Spain

Hospital Universitario Virgen de la Arrixaca El Palmar Spain

Hospital Universitario Virgen del Rocío Sevilla Spain

Inherited Metabolic Diseases Clinic Section of Clinical Genetics and Metabolism University of Colorado Denver Aurora Colorado

Institute for Child HealthGreat Ormond Street Hospital University College London London UK

Interdisciplinary Metabolic Team Paediatric Endocrinology Diabetology and Metabolism University Children's Hospital and University Institute of Clinical Chemistry Inselspital Berne Switzerland

Médecine Interne et Maladies Vasculaires Centre Hospitalier Universitaire Angers Angers France

Metabolic Neuropediatric Unit University Hospital Son Espases Palma de Mallorca Spain

National Centre for Inherited Metabolic Disorders Temple Street Children's University Hospital Dublin Ireland

Nephrology Department Reference Center of Inherited Metabolic Diseases Necker hospital AP HP University Paris Descartes Paris France

Nutritional Support Unit University Hospital Vall d'Hebron Barcelona Spain

Pediatric Neurology and Metabolic diseases department Université Catholique de Louvain Cliniques Universitaires Saint Luc Brussels Belgium

Reference Center for Adult Neurometabolic Diseases University Pierre and Marie Curie La Pitié Salpêtrière University Hospital Paris France

Reference Center for Inherited Metabolic Diseases AP HP Robert Debré Hospital University Paris Diderot Sorbonne Paris Cité and INSERM U1141 Paris France

Reference Center for Inherited Metabolic Diseases Centro Hospitalar do Porto Porto Portugal

Salford Royal NHS Foundation Trust Salford UK

Sección de Gastroenterología y Nutrición Pediátrica Hospital Regional de Málaga Málaga Spain

Unidad de Nutrición y Metabolopatías Hospital Universitario La Fe Valencia Spain

Unit of Diagnosis and Treatment of Congenital Metabolic Diseases Service of Neonatology Department of PediatricsHospital Clínico Universitario de Santiago CIBERER Health Research Institute of Santiago de Compostela Santiago de Compostela Spain

Universitary Hospital 12 Octubre Madrid Spain

University Department of Pediatrics Giannina Gaslini Institute Genoa Italy

Willink Metabolic Unit Genomic Medicine Manchester University Hospitals NHS Foundation Trust Manchester UK

Willink Metabolic Unit Genomic Medicine Manchester University Hospitals NHS Foundation Trust Manchester UK Department of Paediatrics Bradford Royal Infirmary Bradford UK

Citace poskytuje Crossref.org

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