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Yang E, Kruger E, Yin D, Mace K, Tierney M, Liao N, Cibelli E, Drozd D, Ross N, Deering KL, Herout P, Harshaw Q, Shillington A, Thomas N, Marsden D, Kritzer A, Vockley J. Major clinical events and healthcare resource use among patients with long-chain fatty acid oxidation disorders in the United States: Results from LC-FAOD Odyssey program. Mol Genet Metab 2024; 142:108350. [PMID: 38458123 DOI: 10.1016/j.ymgme.2024.108350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 03/10/2024]
Abstract
Major clinical events (MCEs) related to long-chain fatty acid oxidation disorders (LC-FAOD) in triheptanoin clinical trials include inpatient or emergency room (ER) visits for three major clinical manifestations: rhabdomyolysis, hypoglycemia, and cardiomyopathy. However, outcomes data outside of LC-FAOD clinical trials are limited. The non-interventional cohort LC-FAOD Odyssey study examines data derived from US medical records and patient reported outcomes to quantify LC-FAOD burden according to management strategy including MCE frequency and healthcare resource utilization (HRU). Thirty-four patients were analyzed of which 21 and 29 patients had received triheptanoin and/or medium chain triglycerides (MCT), respectively. 36% experienced MCEs while receiving triheptanoin versus 54% on MCT. Total mean annualized MCE rates on triheptanoin and MCT were 0.1 and 0.7, respectively. Annualized disease-related inpatient and ER events were lower on triheptanoin (0.2, 0.3, respectively) than MCT (1.2, 1.0, respectively). Patients were managed more in an outpatient setting on triheptanoin (8.9 annualized outpatient visits) vs MCT (7.9). Overall, this shows that those with LC-FAOD in the Odyssey program experienced fewer MCEs and less HRU in inpatient and ER settings during triheptanoin-treated periods compared with the MCT-treated periods. The MCE rate was lower after initiation of triheptanoin, consistent with clinical trials.
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Affiliation(s)
- Erru Yang
- Ultragenyx Pharmaceutical Inc., Novato, CA, USA.
| | | | - David Yin
- PicnicHealth, San Francisco, CA, USA
| | | | | | | | | | - Dan Drozd
- PicnicHealth, San Francisco, CA, USA
| | | | | | | | | | | | - Nina Thomas
- Ultragenyx Pharmaceutical Inc., Novato, CA, USA
| | | | - Amy Kritzer
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, USA
| | - Jerry Vockley
- Division of Medical Genetics and Center for Rare Disease Therapy, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA
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Vianey-Saban C, Guffon N, Fouilhoux A, Acquaviva C. Fifty years of research on mitochondrial fatty acid oxidation disorders: The remaining challenges. J Inherit Metab Dis 2023; 46:848-873. [PMID: 37530674 DOI: 10.1002/jimd.12664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/19/2023] [Accepted: 07/26/2023] [Indexed: 08/03/2023]
Abstract
Since the identification of the first disorder of mitochondrial fatty acid oxidation defects (FAOD) in 1973, more than 20 defects have been identified. Although there are some differences, most FAOD have similar clinical signs, which are mainly due to energy depletion and toxicity of accumulated metabolites. However, some of them have an unusual clinical phenotype or specific clinical signs. This manuscript focuses on what we have learnt so far on the pathophysiology of these disorders, which present with clinical signs that are not typical of categorical FAOD. It also highlights that some disorders have not yet been identified and tries to make assumptions to explain why. It also deals with new treatments under consideration in FAOD, including triheptanoin and similar anaplerotic substrates, ketone body treatments, RNA and gene therapy approaches. Finally, it suggests challenges for the diagnosis of FAOD in the coming years, both for symptomatic patients and for those diagnosed through newborn screening. The ultimate goal would be to identify all the patients born with FAOD and ensure for them the best possible quality of life.
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Affiliation(s)
- Christine Vianey-Saban
- Biochemical and Molecular Biology Laboratory, Metabolic Inborn Errors of Metabolism Unit, Groupement Hospitalier Est, CHU de Lyon, Bron, France
| | - Nathalie Guffon
- National Reference Centre for Hereditary Metabolic Diseases, Groupement Hospitalier Est, CHU de Lyon, Bron, France
| | - Alain Fouilhoux
- National Reference Centre for Hereditary Metabolic Diseases, Groupement Hospitalier Est, CHU de Lyon, Bron, France
| | - Cécile Acquaviva
- Biochemical and Molecular Biology Laboratory, Metabolic Inborn Errors of Metabolism Unit, Groupement Hospitalier Est, CHU de Lyon, Bron, France
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Vockley J, Burton BK, Berry G, Longo N, Phillips J, Sanchez-Valle A, Chapman KA, Tanpaiboon P, Grunewald S, Murphy E, Lu X, Rahman S, Ray K, Reineking B, Pisani L, Ramirez AN. Triheptanoin for the treatment of long-chain fatty acid oxidation disorders: Final results of an open-label, long-term extension study. J Inherit Metab Dis 2023; 46:943-955. [PMID: 37276053 DOI: 10.1002/jimd.12640] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 05/19/2023] [Accepted: 06/01/2023] [Indexed: 06/07/2023]
Abstract
Long-chain fatty acid oxidation disorders (LC-FAODs) result in life-threatening energy metabolism deficiencies/energy source depletion. Triheptanoin is an odd-carbon, medium chain triglyceride (that is an anaplerotic substrate of calories and fatty acids) for treating pediatric and adult patients with LC-FAODs. Study CL202 (NCT02214160), an open-label extension study of study CL201 (NCT01886378), evaluated the long-term safety/efficacy of triheptanoin in patients with LC-FAODs (N = 94), including cohorts who were triheptanoin naïve (n = 33) or had received triheptanoin in study CL201 (n = 24) or in investigator-sponsored trials/expanded access programs (IST/EAPs; n = 37). Primary endpoint was the annualized rate of LC-FAOD major clinical events (MCEs; rhabdomyolysis, hypoglycemia, cardiomyopathy). Mean ± standard deviation (SD) triheptanoin treatment durations were 27.4 ± 19.9, 46.9 ± 13.6, and 49.6 ± 21.4 months for the triheptanoin-naïve, CL201 rollover, and IST/EAP cohorts, respectively. In the triheptanoin-naïve cohort, median (interquartile range [IQR]) MCE rate significantly decreased from 2.00 (0.67-3.33) events/patient/year pre-triheptanoin to 0.28 (0.00-1.43) events/patient/year with triheptanoin (p = 0.0343), a reduction of 86%. In the CL201 rollover cohort, mean ± SD MCE rate significantly decreased from 1.76 ± 1.64 events/patient/year pre-triheptanoin to 1.00 ± 1.00 events/patient/year with triheptanoin (p = 0.0347), a reduction of 43%. In the IST/EAP cohort, mean ± SD MCE rate was 1.40 ± 2.37 (median [IQR] 0.57 [0.00-1.67]) events/patient/year with triheptanoin. Safety data were consistent with previous observations. Treatment-related treatment-emergent adverse events (TEAEs) occurred in 68.1% of patients and were mostly mild/moderate in severity. Five patients had seven serious treatment-related TEAEs; all resolved. Our results confirm the long-term efficacy of triheptanoin for patients with LC-FAOD.
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Affiliation(s)
- Jerry Vockley
- Division of Genetic and Genomic Medicine, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Barbara K Burton
- Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital, Chicago, Illinois, USA
| | - Gerard Berry
- Department of Pediatrics, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Nicola Longo
- Department of Pediatrics, University of Utah, Salt Lake City, Utah, USA
| | - John Phillips
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Amarilis Sanchez-Valle
- Department of Pediatrics, University of South Florida, Morsani College of Medicine, Tampa, Florida, USA
| | - Kimberly A Chapman
- Section Genetics and Metabolism, Children's National Health System, Washington, District of Columbia, USA
| | - Pranoot Tanpaiboon
- Section Genetics and Metabolism, Children's National Health System, Washington, District of Columbia, USA
| | - Stephanie Grunewald
- Metabolic Unit, Great Ormond Street Hospital and UCL Institute of Child Health NIHR BRC, London, UK
| | - Elaine Murphy
- Charles Dent Metabolic Unit, National Hospital for Neurology and Neurosurgery, London, UK
| | - Xiaoxiao Lu
- Ultragenyx Pharmaceutical Inc, Novato, California, USA
| | - Syeda Rahman
- Ultragenyx Pharmaceutical Inc, Novato, California, USA
| | - Kathryn Ray
- Ultragenyx Pharmaceutical Inc, Novato, California, USA
| | | | - Laura Pisani
- Ultragenyx Pharmaceutical Inc, Novato, California, USA
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Wang Y, Shi J, Liu K, Wang Y, Xu Y, Liu Y. Metabolomics and gene expression levels reveal the positive effects of teaseed oil on lifespan and aging process in Caenorhabditis elegans. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.10.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Vianey-Saban C, Fouilhoux A, Vockley J, Acquaviva-Bourdain C, Guffon N. Improving diagnosis of mitochondrial fatty-acid oxidation disorders. Eur J Hum Genet 2023; 31:265-272. [PMID: 36599942 PMCID: PMC9995306 DOI: 10.1038/s41431-022-01260-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 11/21/2022] [Accepted: 11/29/2022] [Indexed: 01/06/2023] Open
Affiliation(s)
- Christine Vianey-Saban
- Biochemical and Molecular Biology Laboratory, Metabolic Inborn Errors of Metabolism Unit, Groupement Hospitalier Est, CHU de Lyon, 69500, Bron, France.
| | - Alain Fouilhoux
- National Reference Centre for Hereditary Metabolic Diseases, Groupement Hospitalier Est, CHU de Lyon, 69500, Bron, France
| | - Jerry Vockley
- UPMC Children's Hospital of Pittsburgh, Genetic and Genomic Medicine, Center for Rare Disease Therapy, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - Cécile Acquaviva-Bourdain
- Biochemical and Molecular Biology Laboratory, Metabolic Inborn Errors of Metabolism Unit, Groupement Hospitalier Est, CHU de Lyon, 69500, Bron, France
| | - Nathalie Guffon
- National Reference Centre for Hereditary Metabolic Diseases, Groupement Hospitalier Est, CHU de Lyon, 69500, Bron, France
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Vockley J, Enns GM, Ramirez AN, Bedrosian CL, Reineking B, Lu X, Ray K, Rahman S, Marsden D. Response to triheptanoin therapy in critically ill patients with LC-FAOD: Report of patients treated through an expanded access program. Mol Genet Metab 2022; 136:152-162. [PMID: 35459555 DOI: 10.1016/j.ymgme.2022.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 12/31/2022]
Abstract
Long-chain fatty acid oxidation disorders (LC-FAOD) are a group of inborn errors of metabolism wherein patients are unable to process long-chain fatty acids into useable energy in the mitochondria. LC-FAOD commonly affects organ systems with high energy demand, manifesting as hypoketotic hypoglycemia, liver dysfunction, cardiomyopathy, rhabdomyolysis, and skeletal myopathy, as well as peripheral neuropathy and retinopathy in some subtypes. Collectively, LC-FAOD have a high mortality rate, especially in cases of early onset disease, and in the presence of cardiomyopathy. Triheptanoin is a synthetic medium-odd chain triglyceride, produced using a GMP-compliant process, which was designed to replenish mitochondrial metabolic deficits and restore energy homeostasis. Prior to its approval, triheptanoin was only available through clinical trials or to seriously ill patients as part of an expanded access program (EAP) following physician request. This retrospective study examined the impact of triheptanoin on cardiovascular parameters, in critically ill patients who participated in the EAP from February 2013 to January 2018. These patients persisted in critical condition despite receiving standard treatment in highly qualified centers by expert metabolic physicians and dietitians. Physician-completed questionnaires and narrative summaries were used to evaluate the disease presentation and management prior to the trigger event leading to triheptanoin request and use, and the response to triheptanoin treatment. Following triheptanoin initiation, most patients survived the initial trigger event (e.g., severe urinary tract infection, pneumonia) and demonstrated improvements in both short-term and long-term LC-FAOD manifestations. In patients with cardiomyopathy, stabilization or improvement from pretreatment levels was reported in left ventricular ejection fraction and left ventricular mass, in particular, all infants with cardiomyopathy showed improvement in cardiac function during triheptanoin therapy. Triheptanoin therapy was generally well tolerated. The study results are consistent with the existing positive benefit/risk profile of triheptanoin and reflect the effect of triheptanoin improving cardiac function in patients experiencing severe episodes of metabolic decompensation despite standard therapy.
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Affiliation(s)
- Jerry Vockley
- UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, United States of America.
| | - Gregory M Enns
- Stanford University, Division of Medical Genetics, Palo Alto, CA, United States of America
| | | | | | - Bridget Reineking
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States of America
| | - Xiaoxiao Lu
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States of America
| | - Kathryn Ray
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States of America
| | - Syeda Rahman
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States of America
| | - Deborah Marsden
- Ultragenyx Pharmaceutical Inc., Novato, CA, United States of America
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Wang Y, Shi J, Jiang F, Xu YJ, Liu Y. Metabolomics reveals the impact of saturation of dietary lipids on aging and longevity of C. elegans. Mol Omics 2022; 18:430-438. [DOI: 10.1039/d2mo00041e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Saturation differences in dietary lipids modify their digestive and absorption profiles, endpoints that may influence the nutrition and health. This study tests the hypothesis that dietary with elevated unsaturated fats...
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Lipidomic and Proteomic Alterations Induced by Even and Odd Medium-Chain Fatty Acids on Fibroblasts of Long-Chain Fatty Acid Oxidation Disorders. Int J Mol Sci 2021; 22:ijms221910556. [PMID: 34638902 PMCID: PMC8508682 DOI: 10.3390/ijms221910556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 12/12/2022] Open
Abstract
Medium-chain fatty acids (mc-FAs) are currently applied in the treatment of long-chain fatty acid oxidation disorders (lc-FAOD) characterized by impaired β-oxidation. Here, we performed lipidomic and proteomic analysis in fibroblasts from patients with very long-chain acyl-CoA dehydrogenase (VLCADD) and long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHADD) deficiencies after incubation with heptanoate (C7) and octanoate (C8). Defects of β-oxidation induced striking proteomic alterations, whereas the effect of treatment with mc-FAs was minor. However, mc-FAs induced a remodeling of complex lipids. Especially C7 appeared to act protectively by restoring sphingolipid biosynthesis flux and improving the observed dysregulation of protein homeostasis in LCHADD under control conditions.
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Rücklová K, Hrubá E, Pavlíková M, Hanák P, Farolfi M, Chrastina P, Vlášková H, Kousal B, Smolka V, Foltenová H, Adam T, Friedecký D, Ješina P, Zeman J, Kožich V, Honzík T. Impact of Newborn Screening and Early Dietary Management on Clinical Outcome of Patients with Long Chain 3-Hydroxyacyl-CoA Dehydrogenase Deficiency and Medium Chain Acyl-CoA Dehydrogenase Deficiency-A Retrospective Nationwide Study. Nutrients 2021; 13:nu13092925. [PMID: 34578803 PMCID: PMC8469775 DOI: 10.3390/nu13092925] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 12/27/2022] Open
Abstract
Long chain 3-hydroxyacyl-CoA dehydrogenase deficiency (LCHADD/MTPD) and medium chain acyl-CoA dehydrogenase deficiency (MCADD) were included in the expanded neonatal screening program (ENBS) in Czechia in 2009, allowing for the presymptomatic diagnosis and nutritional management of these patients. The aim of our study was to assess the nationwide impact of ENBS on clinical outcome. This retrospective study analysed acute events and chronic complications and their severity in pre-ENBS and post-ENBS cohorts. In total, 28 children (12 before, 16 after ENBS) were diagnosed with LCHADD/MTPD (incidence 0.8/100,000 before and 1.2/100,000 after ENBS). In the subgroup detected by ENBS, a significantly longer interval from birth to first acute encephalopathy was observed. In addition, improvement in neuropathy and cardiomyopathy (although statistically non-significant) was demonstrated in the post-ENBS subgroup. In the MCADD cohort, we included 69 patients (15 before, 54 after ENBS). The estimated incidence rose from 0.7/100,000 before to 4.3/100,000 after ENBS. We confirmed a significant decrease in the number of episodes of acute encephalopathy and lower proportion of intellectual disability after ENBS (p < 0.0001). The genotype-phenotype correlations suggest a new association between homozygosity for the c.1528C > G variant and more severe heart involvement in LCHADD patients.
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Affiliation(s)
- Kristina Rücklová
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
- Department of Paediatrics, 3rd Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, 100 34 Prague, Czech Republic
- Correspondence: (K.R.); (T.H.)
| | - Eva Hrubá
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Markéta Pavlíková
- Department of Probability and Mathematical Statistics, Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic;
| | - Petr Hanák
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Martina Farolfi
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Petr Chrastina
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Hana Vlášková
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Bohdan Kousal
- Department of Ophthalmology, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic;
| | - Vratislav Smolka
- Department of Paediatrics, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, 779 00 Olomouc, Czech Republic; (V.S.); (H.F.)
| | - Hana Foltenová
- Department of Paediatrics, Faculty of Medicine and Dentistry, Palacký University and University Hospital Olomouc, 779 00 Olomouc, Czech Republic; (V.S.); (H.F.)
| | - Tomáš Adam
- Institute of Molecular and Translational Medicine, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, 779 00 Olomouc, Czech Republic; (T.A.); (D.F.)
| | - David Friedecký
- Institute of Molecular and Translational Medicine, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, 779 00 Olomouc, Czech Republic; (T.A.); (D.F.)
| | - Pavel Ješina
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Jiří Zeman
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Viktor Kožich
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
| | - Tomáš Honzík
- Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, 128 08 Prague, Czech Republic; (E.H.); (P.H.); (M.F.); (P.C.); (H.V.); (P.J.); (J.Z.); (V.K.)
- Correspondence: (K.R.); (T.H.)
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