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Schoser B, van der Beek NAME, Broomfield A, Brusse E, Diaz‐Manera J, Hahn A, Hundsberger T, Kornblum C, Kruijshaar M, Laforet P, Mengel E, Mongini T, Orlikowski D, Parenti G, Pijnappel WWMP, Roberts M, Scherer T, Toscano A, Vissing J, van den Hout JMP, van Doorn PA, Wenninger S, van der Ploeg AT. Start, switch and stop (triple-S) criteria for enzyme replacement therapy of late-onset Pompe disease: European Pompe Consortium recommendation update 2024. Eur J Neurol 2024; 31:e16383. [PMID: 38873957 PMCID: PMC11295151 DOI: 10.1111/ene.16383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 04/16/2024] [Accepted: 05/29/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND AND PURPOSE Two novel enzyme replacement therapies (ERTs), studied in phase 3 trials in late-onset Pompe patients, reached marketing authorization by the European Medicines Agency in 2022 and 2023. The European Pompe Consortium (EPOC) updates and extends the scope of the 2017 recommendations for starting, switching and stopping ERT. METHODS The European Pompe Consortium consists of 25 neuromuscular and metabolic experts from eight European countries. This update was performed after an in-person meeting, three rounds of discussion and voting to provide a consensus recommendation. RESULTS The patient should be symptomatic, that is, should have skeletal muscle weakness or respiratory muscle involvement. Muscle magnetic resonance imaging findings showing substantial fat replacement can support the decision to start in a patient-by-patient scenario. Limited evidence supports switching ERT if there is no indication that skeletal muscle and/or respiratory function have stabilized or improved during standard ERT of 12 months or after severe infusion-associated reactions. Switching of ERT should be discussed on a patient-by-patient shared-decision basis. If there are severe, unmanageable infusion-associated reactions and no stabilization in skeletal muscle function during the first 2 years after starting or switching treatment, stopping ERT should be considered. After stopping ERT for inefficacy, restarting ERT can be considered. Six-monthly European Pompe Consortium muscle function assessments are recommended. CONCLUSIONS The triple-S criteria on ERT start, switch and stop include muscle magnetic resonance imaging as a supportive finding and the potential option of home infusion therapy. Six-monthly long-term monitoring of muscle function is highly recommended to cover insights into the patient's trajectory under ERT.
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Affiliation(s)
- Benedikt Schoser
- Department of Neurology, Friedrich‐Baur‐InstituteLMU Clinics MunichMunichGermany
| | - Nadine A. M. E. van der Beek
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MCUniversity Medical CenterRotterdamThe Netherlands
| | | | - Esther Brusse
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MCUniversity Medical CenterRotterdamThe Netherlands
| | - Jordi Diaz‐Manera
- John Walton Muscular Dystrophy Research CenterNewcastle University Translational and Clinical Research InstituteNewcastle Upon TyneUK
| | - Andreas Hahn
- Department of Child NeurologyJustus‐Liebig‐University GiessenGiessenGermany
| | | | - Cornelia Kornblum
- Neuromuscular Diseases Section, Department of NeurologyUniversity Hospital BonnBonnGermany
| | - Michelle Kruijshaar
- Center for Lysosomal and Metabolic Diseases Center for Lysosomal and Metabolic DiseasesErasmus MC University Medical CenterRotterdamThe Netherlands
| | - Pascal Laforet
- Neurology Department, Raymond Poincaré Hospital, Nord‐Est‐Ile‐de‐France Neuromuscular Reference Center, GarchesAPHPParisFrance
- FHU PHENIX, Université Versailles Saint Quentin en YvelinesParis‐Saclay UniversityParisFrance
| | - Eugen Mengel
- Institute of Clinical Science in LSD, SphinCSHochheimGermany
| | - Tiziana Mongini
- Neuromuscular Unit, Department of Neurosciences RLMUniversity of TorinoTorinoItaly
| | - David Orlikowski
- Clinical Investigation Center 1429 APHP/INSERM, UMR 1179, Hôpital Raymond PoincaréUniversité de Versailles Saint Quentin/Paris Saclay, FHU PHENIXParisFrance
| | - Giancarlo Parenti
- Department of Translational MedicineFederico II UniversityNaplesItaly
| | - W. W. M. Pim Pijnappel
- Department of Clinical Genetics, Department of Pediatrics, Center for Lysosomal and Metabolic DiseasesErasmus MC University Medical CenterRotterdamThe Netherlands
| | - Mark Roberts
- Manchester Centre for Clinical NeurosciencesManchesterUK
| | - Thomas Scherer
- Division of Endocrinology, Innere IIIMedical University of ViennaViennaAustria
| | - Antonio Toscano
- ERN‐NMD Center of Messina for Rare Neuromuscular Disorders, Department of Clinical and Experimental MedicineUniversity of MessinaMessinaItaly
| | - John Vissing
- Copenhagen Neuromuscular Center, RigshospitaletUniversity of CopenhagenCopenhagenDenmark
| | - Johanna M. P. van den Hout
- Department of Pediatrics, Center for Lysosomal and Metabolic DiseasesErasmus MC, University Medical CenterRotterdamThe Netherlands
| | - Pieter A. van Doorn
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MCUniversity Medical CenterRotterdamThe Netherlands
| | - Stephan Wenninger
- Department of Neurology, Friedrich‐Baur‐InstituteLMU Clinics MunichMunichGermany
| | - Ans T. van der Ploeg
- Department of Pediatrics, Center for Lysosomal and Metabolic DiseasesErasmus MC, University Medical CenterRotterdamThe Netherlands
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Gómez-Cebrián N, Gras-Colomer E, Poveda Andrés JL, Pineda-Lucena A, Puchades-Carrasco L. Omics-Based Approaches for the Characterization of Pompe Disease Metabolic Phenotypes. BIOLOGY 2023; 12:1159. [PMID: 37759559 PMCID: PMC10525434 DOI: 10.3390/biology12091159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023]
Abstract
Lysosomal storage disorders (LSDs) constitute a large group of rare, multisystemic, inherited disorders of metabolism, characterized by defects in lysosomal enzymes, accessory proteins, membrane transporters or trafficking proteins. Pompe disease (PD) is produced by mutations in the acid alpha-glucosidase (GAA) lysosomal enzyme. This enzymatic deficiency leads to the aberrant accumulation of glycogen in the lysosome. The onset of symptoms, including a variety of neurological and multiple-organ pathologies, can range from birth to adulthood, and disease severity can vary between individuals. Although very significant advances related to the development of new treatments, and also to the improvement of newborn screening programs and tools for a more accurate diagnosis and follow-up of patients, have occurred over recent years, there exists an unmet need for further understanding the molecular mechanisms underlying the progression of the disease. Also, the reason why currently available treatments lose effectiveness over time in some patients is not completely understood. In this scenario, characterization of the metabolic phenotype is a valuable approach to gain insights into the global impact of lysosomal dysfunction, and its potential correlation with clinical progression and response to therapies. These approaches represent a discovery tool for investigating disease-induced modifications in the complete metabolic profile, including large numbers of metabolites that are simultaneously analyzed, enabling the identification of novel potential biomarkers associated with these conditions. This review aims to highlight the most relevant findings of recently published omics-based studies with a particular focus on describing the clinical potential of the specific metabolic phenotypes associated to different subgroups of PD patients.
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Affiliation(s)
- Nuria Gómez-Cebrián
- Drug Discovery Unit, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain
| | - Elena Gras-Colomer
- Pharmacy Department, Hospital Manises of Valencia, 46940 Valencia, Spain
| | | | - Antonio Pineda-Lucena
- Molecular Therapeutics Program, Centro de Investigación Médica Aplicada, 31008 Pamplona, Spain
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Hassan T, Huadong X. ARE ENZYME REPLACEMENT THERAPIES EFFECTIVE AGAINST LYSOSOMAL STORAGE DISORDERS? GOMAL JOURNAL OF MEDICAL SCIENCES 2021. [DOI: 10.46903/gjms/19.02.999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Lysosomal storage disorders are an agglomeration of genetic disorders such as Fabry disease, Gaucher disease, Pompe disease, Krabbe’s disease and mucopolysaccharidosis that typically impairs the prime orangs of humans, including brain, heart, musculoskeletal system, spleen, eye, and lungs. Patients with lysosomal storage disorders face mild to severe complications and even death. In order to address these health concerns, scientists are working by dint off, various therapies are introduced such as gene therapy, typical oral medicines, organ/ cell transplantation etc. However, hematopoietic stem cell transplantation and enzyme replacement therapy came out as best stakeholders to treat aforementioned disorders. Nonetheless, according to suggested data, it is concluded that presently enzyme replacement therapies are somehow ineffective for many lysosomal storage disorders till today. But we believe that in near future, as more and more research will be progressed, the ultimate therapy to these disorders will be developed.
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Fatehi F, Ashrafi MR, Babaee M, Ansari B, Beiraghi Toosi M, Boostani R, Eshraghi P, Fakharian A, Hadipour Z, Haghi Ashtiani B, Moravej H, Nilipour Y, Sarraf P, Sayadpour Zanjani K, Nafissi S. Recommendations for Infantile-Onset and Late-Onset Pompe Disease: An Iranian Consensus. Front Neurol 2021; 12:739931. [PMID: 34621239 PMCID: PMC8490649 DOI: 10.3389/fneur.2021.739931] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 08/16/2021] [Indexed: 01/12/2023] Open
Abstract
Background: Pompe disease, also denoted as acid maltase or acid α-glucosidase deficiency or glycogen storage disease type II, is a rare, autosomal recessive lysosomal storage disorder. Several reports have previously described Pompe disease in Iran and considering increased awareness of related subspecialties and physicians, the disease's diagnosis is growing. Objective: This guideline's main objective was to develop a national guideline for Pompe disease based on national and international evidence adapting with national necessities. Methods: A group of expert clinicians with particular interests and experience in diagnosing and managing Pompe disease participated in developing this guideline. This group included adult neurologists, pediatric neurologists, pulmonologists, endocrinologists, cardiologists, pathologists, and physiatrists. After developing search terms, four authors performed an extensive literature review, including Embase, PubMed, and Google Scholar, from 1932 to current publications before the main meeting. Before the main consensus session, each panel member prepared an initial draft according to pertinent data in diagnosis and management and was presented in the panel discussion. Primary algorithms for the diagnosis and management of patients were prepared in the panel discussion. The prepared consensus was finalized after agreement and concordance between the panel members. Conclusion: Herein, we attempted to develop a consensus based on Iran's local requirements. The authors hope that disseminating these consensuses will help healthcare professionals in Iran achieve the diagnosis, suitable treatment, and better follow-up of patients with infantile-onset Pompe disease and late-onset Pompe disease.
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Affiliation(s)
- Farzad Fatehi
- Department of Neurology, Neuromuscular Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Reza Ashrafi
- Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Marzieh Babaee
- Physical Medicine and Rehabilitation Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behnaz Ansari
- Isfahan Neurosciences Research Center, Alzahra Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Reza Boostani
- Neurology Department, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Peyman Eshraghi
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Atefeh Fakharian
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Hadipour
- Medical Genetic Department, Atieh Hospital, Pars Hospital and Research Center, Tehran, Iran
| | | | - Hossein Moravej
- Neonatal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Yalda Nilipour
- Pediatric Pathology Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Payam Sarraf
- Iranian Center of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Keyhan Sayadpour Zanjani
- Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahriar Nafissi
- Department of Neurology, Neuromuscular Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Effect of long term enzyme replacement therapy in late onset Pompe disease: A single-centre experience. Neuromuscul Disord 2021; 31:91-100. [PMID: 33451932 DOI: 10.1016/j.nmd.2020.12.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 11/28/2020] [Accepted: 12/01/2020] [Indexed: 01/14/2023]
Abstract
Late onset Pompe disease (LOPD) is a slowly progressive metabolic myopathy with variable clinical severity. The advent of enzyme replacement therapy (ERT) has modified the natural course of the disease, though the treatment effect on adult patients is modest compared to infants with the classic form. This study aims to describe the long-term clinical outcome of the Greek LOPD cohort, as assessed by 6 min walk test, muscle strength using MRC grading scale and spirometry. ERT efficacy was estimated using statistical methodology that is novel in the context of Pompe disease, which at the same time is well-suited to longitudinal studies with small samples and missing data (local non-linear regression analysis). Improvement over baseline was significant at 1 year for motor performance and muscle strength (p < 0.05), and at 2 years for FVC-U and FVC-S (p < 0.05). A subgroup analysis showed that the onset of the disease before adulthood (18 years), a male gender, and a latency of more than 2 years between the onset of symptoms and ERT administration are unfavorable prognostic factors. Conclusively, this study presents longitudinal data from the Greek LOPD cohort supporting previous observations, that therapeutic delay is related to worse prognosis and treatment effects may decline after several years of ERT.
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Meena NK, Raben N. Pompe Disease: New Developments in an Old Lysosomal Storage Disorder. Biomolecules 2020; 10:E1339. [PMID: 32962155 PMCID: PMC7564159 DOI: 10.3390/biom10091339] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 12/14/2022] Open
Abstract
Pompe disease, also known as glycogen storage disease type II, is caused by the lack or deficiency of a single enzyme, lysosomal acid alpha-glucosidase, leading to severe cardiac and skeletal muscle myopathy due to progressive accumulation of glycogen. The discovery that acid alpha-glucosidase resides in the lysosome gave rise to the concept of lysosomal storage diseases, and Pompe disease became the first among many monogenic diseases caused by loss of lysosomal enzyme activities. The only disease-specific treatment available for Pompe disease patients is enzyme replacement therapy (ERT) which aims to halt the natural course of the illness. Both the success and limitations of ERT provided novel insights in the pathophysiology of the disease and motivated the scientific community to develop the next generation of therapies that have already progressed to the clinic.
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Affiliation(s)
| | - Nina Raben
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA;
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Meena NK, Ralston E, Raben N, Puertollano R. Enzyme Replacement Therapy Can Reverse Pathogenic Cascade in Pompe Disease. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 18:199-214. [PMID: 32671132 PMCID: PMC7334420 DOI: 10.1016/j.omtm.2020.05.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 05/27/2020] [Indexed: 12/14/2022]
Abstract
Pompe disease, a deficiency of glycogen-degrading lysosomal acid alpha-glucosidase (GAA), is a disabling multisystemic illness that invariably affects skeletal muscle in all patients. The patients still carry a heavy burden of the disease, despite the currently available enzyme replacement therapy. We have previously shown that progressive entrapment of glycogen in the lysosome in muscle sets in motion a whole series of “extra-lysosomal” events including defective autophagy and disruption of a variety of signaling pathways. Here, we report that metabolic abnormalities and energy deficit also contribute to the complexity of the pathogenic cascade. A decrease in the metabolites of the glycolytic pathway and a shift to lipids as the energy source are observed in the diseased muscle. We now demonstrate in a pre-clinical study that a recently developed replacement enzyme (recombinant human GAA; AT-GAA; Amicus Therapeutics) with much improved lysosome-targeting properties reversed or significantly improved all aspects of the disease pathogenesis, an outcome not observed with the current standard of care. The therapy was initiated in GAA-deficient mice with fully developed muscle pathology but without obvious clinical symptoms; this point deserves consideration.
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Affiliation(s)
- Naresh Kumar Meena
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Evelyn Ralston
- Light Imaging Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD, USA
| | - Nina Raben
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
- Corresponding author Nina Raben, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA.
| | - Rosa Puertollano
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
- Corresponding author Rosa Puertollano, Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA.
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Tchan M, Henderson R, Kornberg A, Kairaitis K, Fuller M, Davis M, Ellaway C, Reardon K, Corbett A, Needham M, McKelvie P. Is it Pompe Disease? Australian diagnostic considerations. Neuromuscul Disord 2020; 30:389-399. [PMID: 32418839 DOI: 10.1016/j.nmd.2020.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/19/2020] [Accepted: 03/23/2020] [Indexed: 12/29/2022]
Abstract
Pompe Disease is a spectrum disorder with an evolving phenotype in which diagnostic delay is common. Contributing factors include the rarity of the disorder, its wide clinical spectrum, signs and symptoms that overlap with those of other neuromuscular disorders, variable diagnostic approaches, lack of awareness of the clinical manifestations and difficulties in completing the diagnostic inventory. International updates and recommendations have been published providing diagnostic guidelines and management criteria. However, questions remain in the Australian setting. A panel (two neurologists, one clinical geneticist) reviewed the literature, examined clinical questions of relevance to the Australian setting, and developed a framework for the guidance. A wider panel, comprising the initial panel plus eight additional members, critiqued the framework and contributed clinical guidance within the scope of their respective areas of clinical expertise. The resultant expert consensus recommendations build on currently available data to propose an appropriate management framework incorporating the diagnosis, classification, therapeutic approach, multidisciplinary care, and on-going monitoring of patients with Pompe Disease in the Australian setting. It is hoped that diagnostic delay can be reduced with appropriate recourse to evidence-based insights and practical advice on diagnosis and management tailored to the Australian setting.
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Affiliation(s)
- Michel Tchan
- Genetic Medicine, Westmead Hospital, The University of Sydney, Westmead, NSW, Australia.
| | - Robert Henderson
- Neurology, Royal Brisbane and Women's Hospital, Herston, QLD, Australia
| | - Andrew Kornberg
- Neurology, Royal Children's Hospital, Melbourne, VIC, Australia
| | - Kristina Kairaitis
- Department of Respiratory and Sleep Medicine, and University of Sydney at Westmead Hospital, the Westmead Institute for Medical Research, Westmead, NSW, Australia
| | - Maria Fuller
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital, Adelaide, SA, Australia
| | - Mark Davis
- Neurogenetics Unit, Department of Diagnostic Genomics, PathWest Laboratory Medicine, Perth, WA, Australia
| | - Carolyn Ellaway
- Paediatrician, Clinical Geneticist Genetic Metabolic Disorders Service, Sydney Children's Hospital Network, Sydney, NSW, Australia
| | | | - Alastair Corbett
- Neurology, Concord Repatriation General Hospital, Concord, NSW, Australia
| | - Merrilee Needham
- Neurology, Fiona Stanley Hospital, Institute for Immunology and Infectious Diseases, Murdoch University, Notre Dame University, WA, Australia
| | - Penny McKelvie
- Neuropathology, St Vincent's Hospital, Fitzroy, VIC, Australia
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