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Lerario S, Monti L, Ambrosetti I, Luglio A, Pietra A, Aiello V, Montanari F, Bellasi A, Zaza G, Galante A, Salera D, Capelli I, La Manna G, Provenzano M. Fabry disease: a rare disorder calling for personalized medicine. Int Urol Nephrol 2024; 56:3161-3172. [PMID: 38613662 PMCID: PMC11405476 DOI: 10.1007/s11255-024-04042-4] [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: 02/15/2024] [Accepted: 03/25/2024] [Indexed: 04/15/2024]
Abstract
Fabry Disease (FD) is a genetic disease caused by a deficiency in the activity of lysosomal galactosidase A (α-GalA), an enzyme responsible for the catabolism of globotriaosylceramide (Gb3). Since lysosomes are present throughout the body and play a crucial role in catabolism and recycling of cytosolic compounds, FD can affect multiple organs and result in various symptoms, including renal, cardiovascular, neurological, cutaneous, and ophthalmic manifestations. Due to the nonspecific symptoms and the rarity of FD, it is often diagnosed late in life. However, introducing targeted therapies such as enzyme replacement therapy (ERT) and chaperone therapy has significantly improved FD's natural history and prognosis by restoring α-GalA enzyme activity. Despite the advancements, there are limitations to the currently available therapies, which has prompted research into new potential treatments for FD, including alternative forms of enzyme replacement therapy, substrate reduction therapy, mRNA therapy, and genetic therapy. In this review, we analyze the epidemiology, pathophysiology, and treatment of FD, with particular emphasis on promising therapeutic opportunities that could shift the treatment of this rare disease from a standardized to a personalized approach soon.
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Affiliation(s)
- Sarah Lerario
- Nephrology, Dialysis, and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Luigi Monti
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Irene Ambrosetti
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Agnese Luglio
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Andrea Pietra
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Valeria Aiello
- Nephrology, Dialysis, and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Francesca Montanari
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Antonio Bellasi
- Servizio Di Nefrologia, Ospedale Regionale Di Lugano, Ente Ospedaliero Cantonale, Ospedale CivicoVia Tesserete 46, 6903, Lugano, Switzerland
- Università Della Svizzera Italiana (USI), Lugano, Switzerland
| | - Gianluigi Zaza
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036, Rende, CS, Italy
| | - Antonio Galante
- Università Della Svizzera Italiana (USI), Lugano, Switzerland
| | - Davide Salera
- Servizio Di Nefrologia, Ospedale Regionale Di Lugano, Ente Ospedaliero Cantonale, Ospedale CivicoVia Tesserete 46, 6903, Lugano, Switzerland
| | - Irene Capelli
- Nephrology, Dialysis, and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy.
| | - Gaetano La Manna
- Nephrology, Dialysis, and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy.
| | - Michele Provenzano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036, Rende, CS, Italy
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Arakawa M, Ikeda Y, Otaka H, Iwashiro S. Long-term safety of enzyme replacement therapy with agalsidase alfa in patients with Fabry disease: post-marketing extension surveillance in Japan. Mol Genet Metab Rep 2024; 40:101122. [PMID: 39077747 PMCID: PMC11284380 DOI: 10.1016/j.ymgmr.2024.101122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 07/09/2024] [Accepted: 07/09/2024] [Indexed: 07/31/2024] Open
Abstract
Fabry disease is a rare inherited X-linked metabolic disorder in which deficient alpha-galactosidase A activity causes progressive build-up of globotriaosylceramide (Gb3) and multi-system dysfunction. Following approval of agalsidase alfa for Fabry disease in Japan in 2006, an 8-year all-case post-marketing surveillance (PMS) showed that the treatment was well tolerated and effective for managing disease progression in adult Japanese patients. The present nationwide prospective observational study extended the initial PMS by enrolling patients who continued agalsidase alfa treatment after the initial 8-year period in a 6.5-year extension survey. Patient information from the initial PMS and the extension survey was evaluated as a single data set (observation period: February 2007-September 2021). Of 493 patients in the initial PMS, 129 (45.0% male classic, 6.2% male non-classic, 48.8% female heterozygous phenotype) consented to participate in the extension survey and were included in the analysis. The mean duration of treatment was 9.6 years. A total of 145 adverse drug reactions (ADRs) occurred in 31 patients (24%), and 22 serious ADRs occurred in 12 patients (9.3%). Although serious cardiac, renal, or cerebrovascular adverse events decreased in frequency over time in male patients, serious cardiac events continued to occur in female patients, who showed higher incidence of cardiac complications at baseline. No new safety concerns were identified. Additionally, long-term agalsidase alfa treatment sustained the initial reduction in Gb3 concentrations without increasing the rate of anti-agalsidase antibody positivity. These findings suggest that agalsidase alfa treatment demonstrates continued safety and sustains patients' clinical course over the long term.
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Affiliation(s)
- Makoto Arakawa
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | - Yoshinori Ikeda
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | - Hiromichi Otaka
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
| | - Sanghun Iwashiro
- Japan Medical Office, Takeda Pharmaceutical Company Limited, Tokyo, Japan
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Darie-Ion L, Petre BA. An update on multiplexed mass spectrometry-based lysosomal storage disease diagnosis. MASS SPECTROMETRY REVIEWS 2024; 43:1135-1149. [PMID: 37584312 DOI: 10.1002/mas.21864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/01/2023] [Accepted: 08/04/2023] [Indexed: 08/17/2023]
Abstract
Lysosomal storage disorders (LSDs) are a type of inherited metabolic disorders in which biomolecules, accumulate as a specific substrate in lysosomes due to specific individual enzyme deficiencies. Despite the fact that LSDs are incurable, various approaches, including enzyme replacement therapy, hematopoietic stem cell transplantation, or gene therapy are now available. Therefore, a timely diagnosis is a critical initial step in patient treatment. The-state-of-the-art in LSD diagnostic uses, in the first stage, enzymatic activity determination by fluorimetry or by mass spectrometry (MS) with the aid of dry blood spots, based on different enzymatic substrate structures. Due to its sensitivity, high precision, and ability to screen for an unprecedented number of diseases in a single assay, multiplexed tandem MS-based enzyme activity assays for the screening of LSDs in newborns have recently received a lot of attention. Here, (i) we review the current approaches used for simultaneous enzymatic activity determination of LSDs in dried blood spots using multiplex-LC-MS/MS; (ii) we explore the need for designing novel enzymatic substrates that generate different enzymatic products with distinct molecular masses in multiplexed-MS studies; and (iii) we give examples of the relevance of affinity-MS technique as a basis for reversing undesirable immune-reactivity in enzyme replacement therapy.
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Affiliation(s)
- Laura Darie-Ion
- Group of Biochemistry, Faculty of Chemistry, Alexandru Ioan Cuza University of Iasi, Iaşi, Romania
| | - Brînduşa Alina Petre
- Group of Biochemistry, Faculty of Chemistry, Alexandru Ioan Cuza University of Iasi, Iaşi, Romania
- Laboratory of Proteomics, Center for Fundamental Research and Experimental Development in Translation Medicine-TRANSCEND, Regional Institute of Oncology, Iaşi, Romania
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Shima H, Tsukimura T, Shiga T, Togawa T, Sakuraba H, Doi T, Ikeda Y, Okamoto T, Yoshikawa Y, Kimura T, Iwase T, Inoue T, Tashiro M, Okada K, Minakuchi J. Effects of switching from agalsidase-α to agalsidase-β on biomarkers, renal and cardiac parameters, and disease severity in fabry disease forming neutralizing antidrug antibodies: a case report. CEN Case Rep 2024; 13:290-296. [PMID: 38135868 PMCID: PMC11294308 DOI: 10.1007/s13730-023-00843-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
Fabry disease is an X-linked hereditary disorder caused by deficient α-galactosidase A (GLA) activity. Patients with Fabry disease are often treated with enzyme replacement therapy (ERT). However, ERT often induces the formation of neutralizing antidrug antibodies (ADAs), which may impair the therapeutic efficacy. Here, we report the case of a 32-year-old man with Fabry disease and resultant neutralizing ADAs who was treated by switching from agalsidase-α to agalsidase-β. We monitored biomarkers, such as plasma globotriaosylsphingosine (lyso-Gb3), urinary globotriaosylceramide (Gb3), urinary mulberry bodies, renal and cardiac parameters, and disease severity during the treatment period. Although plasma lyso-Gb3 and urinary Gb3 levels quickly decreased within two months after the initiation of ERT with agalsidase-α, they gradually increased thereafter. The urinary mulberry bodies continued to appear. Both the ADA titer and serum mediated GLA inhibition rates started to increase after two months. Moreover, 3.5 years after ERT, the vacuolated podocyte area in the renal biopsy decreased slightly from 23.1 to 18.9%. However, plasma lyso-Gb3 levels increased, and urinary Gb3, mulberry body levels, and ADA titers remained high. Therefore, we switched to agalsidase-β which reduced, but did not normalize, plasma lyso-Gb3 levels and stabilized renal and cardiac parameters. Disease severity was attenuated. However, urinary Gb3 and mulberry body levels did not decrease noticeably in the presence of high ADA titers. The kidneys take up a small amount of the administered recombinant enzyme, and the clearance of Gb3 that has accumulated in the kidney may be limited despite the switching from agalsidase-α to agalsidase-β.
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Affiliation(s)
- Hisato Shima
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan.
| | - Takahiro Tsukimura
- Department of Functional Bioanalysis, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan
| | - Tomoko Shiga
- Department of Clinical Genetics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan
| | - Tadayasu Togawa
- Department of Functional Bioanalysis, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan
| | - Hitoshi Sakuraba
- Department of Clinical Genetics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan
| | - Toshio Doi
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Yuka Ikeda
- Department of Laboratory, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Takuya Okamoto
- Department of Laboratory, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Yukari Yoshikawa
- Department of Laboratory, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Takehiko Kimura
- Department of Cardiovascular Medicine, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Takashi Iwase
- Department of Cardiovascular Medicine, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Tomoko Inoue
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Manabu Tashiro
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Kazuyoshi Okada
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
| | - Jun Minakuchi
- Department of Kidney Disease, Kawashima Hospital, 6-1 Kitasakoichiban-Cho, Tokushima, 770-0011, Japan
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Kurdi H, Lavalle L, Moon JCC, Hughes D. Inflammation in Fabry disease: stages, molecular pathways, and therapeutic implications. Front Cardiovasc Med 2024; 11:1420067. [PMID: 38932991 PMCID: PMC11199868 DOI: 10.3389/fcvm.2024.1420067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
Fabry disease, a multisystem X-linked disorder caused by mutations in the alpha-galactosidase gene. This leads to the accumulation of globotriaosylceramide (Gb3) and globotriaosylsphingosine (Lyso-Gb3), culminating in various clinical signs and symptoms that significantly impact quality of life. Although treatments such as enzyme replacement, oral chaperone, and emerging therapies like gene therapy exist; delayed diagnosis often curtails their effectiveness. Our review highlights the importance of delineating the stages of inflammation in Fabry disease to enhance the timing and efficacy of diagnosis and interventions, particularly before the progression to fibrosis, where treatment options are less effective. Inflammation is emerging as an important aspect of the pathogenesis of Fabry disease. This is thought to be predominantly mediated by the innate immune response, with growing evidence pointing towards the potential involvement of adaptive immune mechanisms that remain poorly understood. Highlighted by the fact that Fabry disease shares immune profiles with systemic autoinflammatory diseases, blurring the distinctions between these disorders and highlighting the need for a nuanced understanding of immune dynamics. This insight is crucial for developing targeted therapies and improving the administration of current treatments like enzyme replacement. Moreover, our review discusses the complex interplay between these inflammatory processes and current treatments, such as the challenges posed by anti-drug antibodies. These antibodies can attenuate the effectiveness of therapies, necessitating more refined approaches to mitigate their impact. By advancing our understanding of the molecular changes, inflammatory mediators and causative factors that drive inflammation in Fabry disease, we aim to clarify their role in the disease's progression. This improved understanding will help us see how these processes fit into the current landscape of Fabry disease. Additionally, it will guide the development of more effective diagnostic and therapeutic approaches, ultimately improving patient care.
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Affiliation(s)
- Hibba Kurdi
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Cardiovascular Imaging Department, Barts Heart Centre, London, United Kingdom
| | - Lucia Lavalle
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Lysosomal Storage Disorders Unit, The Royal Free Hospital, London, United Kingdom
| | - James C. C. Moon
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Cardiovascular Imaging Department, Barts Heart Centre, London, United Kingdom
| | - Derralynn Hughes
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Lysosomal Storage Disorders Unit, The Royal Free Hospital, London, United Kingdom
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Feriozzi S, Chimenti C, Reisin RC. Updated Evaluation of Agalsidase Alfa Enzyme Replacement Therapy for Patients with Fabry Disease: Insights from Real-World Data. Drug Des Devel Ther 2024; 18:1083-1101. [PMID: 38585254 PMCID: PMC10999212 DOI: 10.2147/dddt.s365885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 03/27/2024] [Indexed: 04/09/2024] Open
Abstract
The clinical use of agalsidase alfa as enzyme replacement therapy (ERT) for Fabry disease (FD) has spread since 2001, and a large body of evidence of its effectiveness has been collected. This review presents the clinical and laboratory results achieved with agalsidase alfa, which has been published in the literature. Agalsidase alfa infusion slows down or stops the progression of renal damage, expressed by reduction or stabilization of the annual decline of the glomerular filtration rate; yearly decrease of glomerular filtration rate (slope) sometimes is reduced until its stabilization. ERT prevents or reduces the occurrence of hypertrophic cardiomyopathy or slows the increase over time if it is already present. Moreover, regarding neurological manifestations, ERT improves neuropathic pain and quality of life, and recent data indicated that it may also prevent the burden of cerebrovascular disease. In addition to ERT's clinical benefits, crucial topics like the most appropriate time to start therapy and the role of anti-drug antibodies (ADA) are analyzed. Treatment with agalsidase alfa in patients with FD substantially improves their outcomes and enhances their quality of life in patients with FD.
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Affiliation(s)
- Sandro Feriozzi
- Department of Nephrology and Dialysis Unit, Belcolle Hospital Viterbo, Italy
| | - Cristina Chimenti
- Department of Clinical Sciences, Internal Medicine, Anesthesiology and Cardiovascular Sciences, La Sapienza University, Rome, Italy
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Mignani R, Americo C, Aucella F, Battaglia Y, Cianci V, Sapuppo A, Lanzillo C, Pennacchiotti F, Tartaglia L, Marchi G, Pieruzzi F. Reducing agalsidase beta infusion time in Fabry patients: low incidence of antibody formation and infusion-associated reactions in an Italian multicenter study. Orphanet J Rare Dis 2024; 19:38. [PMID: 38308295 PMCID: PMC10835838 DOI: 10.1186/s13023-024-03049-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/19/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND Fabry disease is a rare progressive X-linked lysosomal storage disease caused by mutations in the GLA gene that encodes α-galactosidase A. Agalsidase beta is a recombinant enzyme replacement therapy authorized in Europe at a standard dose of 1.0 mg/kg intravenously every other week at an initial infusion rate of ≤ 0.25 mg/min until patient tolerance is established, after which the infusion rate may be increased gradually. However, specific practical guidance regarding the progressive reduction in infusion time is lacking. This study investigated a new and specific protocol for reducing agalsidase beta infusion time in which a stable dosage of 15 mg/h is infused for the first four months, and the infusion rate is increased progressively from 15 to 35 mg/h for the subsequent four infusions. The shortest infusion time is reached after six months and maintained thereafter. The incidence of infusion-associated reactions (IARs) and the development of anti-drug antibodies were analyzed, and the disease burden and the clinical evolution of the disease at 12 months were evaluated. RESULTS Twenty-five of the 31 patients were naïve to enzyme or chaperone treatment at baseline and six patients had been switched from agalsidase alfa. The reduced infusion time protocol was well tolerated. Only one patient exhibited an IAR, with mild symptoms that resolved with low-dose steroids. Six patients globally seroconverted during treatment (4 with a classic phenotype and 2 with late-onset disease). All but three patients were seronegative at month 12. All patients were stable at the study's end (FAbry STabilization indEX value < 20%); reducing infusion time did not negatively impact clinical outcomes in any patient. The perceived medical assessment showed that the quality of life of all patients improved. CONCLUSIONS The study demonstrates that reducing agalsidase beta infusion time is possible and safe from both an immunogenic and clinical point of view. The use of a low infusion rate in the first months when the probability of onset of the development of antibodies is higher contributed to very limited seroconversion to antibody-positive status.
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Affiliation(s)
- Renzo Mignani
- Nephrology, Dialysis and Transplantation, IRCCS S. Orsola Hospital, University of Bologna, Bologna, Italy.
| | - Claudio Americo
- Nephrology and Dialysis Unit, Pierantoni Hospital, Forlì, Italy
| | - Filippo Aucella
- Nephrology Unit, Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Yuri Battaglia
- Nephrology and Dialysis Unit, St. Anna University Hospital, Ferrara, Italy
| | - Vittoria Cianci
- Regional Epilepsy Centre, Great Metropolitan Hospital, Reggio Calabria, Italy
| | - Annamaria Sapuppo
- Pediatric Clinic, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | | | | | - Luciano Tartaglia
- Nephrology Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Giacomo Marchi
- MetabERN Referral Center for Lysosomal Storage Disorders, Internal Medicine Unit, University of Verona, Verona, Italy
| | - Federico Pieruzzi
- Clinical Nephrology, School of Medicine and Surgery, University of Milano, Bicocca, Italy
- Nephrology and Dialysis Unit, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
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Laffer B, Lenders M, Ehlers-Jeske E, Heidenreich K, Brand E, Köhl J. Complement activation and cellular inflammation in Fabry disease patients despite enzyme replacement therapy. Front Immunol 2024; 15:1307558. [PMID: 38304433 PMCID: PMC10830671 DOI: 10.3389/fimmu.2024.1307558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
Defective α-galactosidase A (AGAL/GLA) due to missense or nonsense mutations in the GLA gene results in accumulation of the glycosphingolipids globotriaosylceramide (Gb3) and its deacylated derivate globotriaosylsphingosine (lyso-Gb3) in cells and body fluids. The aberrant glycosphingolipid metabolism leads to a progressive lysosomal storage disorder, i. e. Fabry disease (FD), characterized by chronic inflammation leading to multiorgan damage. Enzyme replacement therapy (ERT) with agalsidase-alfa or -beta is one of the main treatment options facilitating cellular Gb3 clearance. Proteome studies have shown changes in complement proteins during ERT. However, the direct activation of the complement system during FD has not been explored. Here, we demonstrate strong activation of the complement system in 17 classical male FD patients with either missense or nonsense mutations before and after ERT as evidenced by high C3a and C5a serum levels. In contrast to the strong reduction of lyso-Gb3 under ERT, C3a and C5a markedly increased in FD patients with nonsense mutations, most of whom developed anti-drug antibodies (ADA), whereas FD patients with missense mutations, which were ADA-negative, showed heterogenous C3a and C5a serum levels under treatment. In addition to the complement activation, we found increased IL-6, IL-10 and TGF-ß1 serum levels in FD patients. This increase was most prominent in patients with missense mutations under ERT, most of whom developed mild nephropathy with decreased estimated glomerular filtration rate. Together, our findings demonstrate strong complement activation in FD independent of ERT therapy, especially in males with nonsense mutations and the development of ADAs. In addition, our data suggest kidney cell-associated production of cytokines, which have a strong potential to drive renal damage. Thus, chronic inflammation as a driver of organ damage in FD seems to proceed despite ERT and may prove useful as a target to cope with progressive organ damage.
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Affiliation(s)
- Björn Laffer
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Malte Lenders
- Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Elvira Ehlers-Jeske
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | | | - Eva Brand
- Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Jörg Köhl
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
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Sun R, Qian MG, Zhang X. T and B cell epitope analysis for the immunogenicity evaluation and mitigation of antibody-based therapeutics. MAbs 2024; 16:2324836. [PMID: 38512798 PMCID: PMC10962608 DOI: 10.1080/19420862.2024.2324836] [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: 10/06/2023] [Accepted: 02/26/2024] [Indexed: 03/23/2024] Open
Abstract
The surge in the clinical use of therapeutic antibodies has reshaped the landscape of pharmaceutical therapy for many diseases, including rare and challenging conditions. However, the administration of exogenous biologics could potentially trigger unwanted immune responses such as generation of anti-drug antibodies (ADAs). Real-world experiences have illuminated the clear correlation between the ADA occurrence and unsatisfactory therapeutic outcomes as well as immune-related adverse events. By retrospectively examining research involving immunogenicity analysis, we noticed the growing emphasis on elucidating the immunogenic epitope profiles of antibody-based therapeutics aiming for mechanistic understanding the immunogenicity generation and, ideally, mitigating the risks. As such, we have comprehensively summarized here the progress in both experimental and computational methodologies for the characterization of T and B cell epitopes of therapeutics. Furthermore, the successful practice of epitope-driven deimmunization of biotherapeutics is exceptionally highlighted in this article.
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Affiliation(s)
- Ruoxuan Sun
- Global Drug Metabolism, Pharmacokinetics & Modeling, Preclinical & Translational Sciences, Takeda Development Center Americas, Inc. (TDCA), Cambridge, MA, USA
| | - Mark G. Qian
- Global Drug Metabolism, Pharmacokinetics & Modeling, Preclinical & Translational Sciences, Takeda Development Center Americas, Inc. (TDCA), Cambridge, MA, USA
| | - Xiaobin Zhang
- Global Drug Metabolism, Pharmacokinetics & Modeling, Preclinical & Translational Sciences, Takeda Development Center Americas, Inc. (TDCA), Cambridge, MA, USA
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Jarvi NL, Balu-Iyer SV. A mechanistic marker-based screening tool to predict clinical immunogenicity of biologics. COMMUNICATIONS MEDICINE 2023; 3:174. [PMID: 38066254 PMCID: PMC10709359 DOI: 10.1038/s43856-023-00413-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 11/21/2023] [Indexed: 01/01/2024] Open
Abstract
BACKGROUND The efficacy and safety of therapeutic proteins are undermined by immunogenicity driven by anti-drug antibodies. Immunogenicity risk assessment is critically necessary during drug development, but current methods lack predictive power and mechanistic insight into antigen uptake and processing leading to immune response. A key mechanistic step in T-cell-dependent immune responses is the migration of mature dendritic cells to T-cell areas of lymphoid compartments, and this phenomenon is most pronounced in the immune response toward subcutaneously delivered proteins. METHODS The migratory potential of monocyte-derived dendritic cells is proposed to be a mechanistic marker for immunogenicity screening. Following exposure to therapeutic protein in vitro, dendritic cells are analyzed for changes in activation markers (CD40 and IL-12) in combination with levels of the chemokine receptor CXCR4 to represent migratory potential. Then a transwell assay captures the intensity of dendritic cell migration in the presence of a gradient of therapeutic protein and chemokine ligands. RESULTS Here, we show that an increased ability of the therapeutic protein to induce dendritic cell migration along a gradient of chemokine CCL21 and CXCL12 predicts higher immunogenic potential. Expression of the chemokine receptor CXCR4 on human monocyte-derived dendritic cells, in combination with activation markers CD40 and IL-12, strongly correlates with clinical anti-drug antibody incidence. CONCLUSIONS Mechanistic understanding of processes driving immunogenicity led to the development of a predictive tool for immunogenicity risk assessment of therapeutic proteins. These predictive markers could be adapted for immunogenicity screening of other biological modalities.
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Affiliation(s)
- Nicole L Jarvi
- Department of Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, 14214, USA
| | - Sathy V Balu-Iyer
- Department of Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY, 14214, USA.
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Hughes D, Gonzalez D, Maegawa G, Bernat JA, Holida M, Giraldo P, Atta MG, Chertkoff R, Alon S, Almon EB, Rocco R, Goker-Alpan O. Long-term safety and efficacy of pegunigalsidase alfa: A multicenter 6-year study in adult patients with Fabry disease. Genet Med 2023; 25:100968. [PMID: 37634127 DOI: 10.1016/j.gim.2023.100968] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023] Open
Abstract
PURPOSE Fabry disease (FD) is a rare lysosomal storage disorder caused by pathogenic variants in the GLA gene encoding α-galactosidase (α-Gal)-A. We evaluated long-term safety/efficacy of pegunigalsidase alfa, a novel PEGylated α-Gal-A enzyme replacement therapy (ERT) now approved for FD. METHODS In a phase-1/2 dose-ranging study, 15 ERT-naive adults with FD completed 12 months of pegunigalsidase alfa and enrolled in this 60-month open-label extension of 1 mg/kg pegunigalsidase alfa infusions every 2 weeks. RESULTS Fifteen patients enrolled (8 males; 7 females); 10 completed ≥48 months (60 months total treatment), and 2 completed 60 months (72 months total treatment). During treatment, most treatment-emergent adverse events were mild/moderate in severity and all infusion-related reactions were mild/moderate in severity. Four patients were transiently positive for anti-pegunigalsidase alfa IgG. Patients showed continuous reduction in plasma lyso-Gb3 concentrations with mean (standard error) reduction of 76.1 [25.1] ng/mL from baseline to month 24. At 60 months, the estimated glomerular filtration rate slope was comparable to that observed in patients treated with other ERTs. Cardiac function assessments revealed stability; no cardiac fibrosis was observed. CONCLUSION In this first long-term assessment of pegunigalsidase alfa administration in patients with FD, we found favorable safety/efficacy. Our data suggest long-term continuous benefits of pegunigalsidase alfa treatment in adults with FD.
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Affiliation(s)
- Derralynn Hughes
- LSDU, Royal Free London NHS Foundation Trust and University College London, London, United Kingdom.
| | - Derlis Gonzalez
- Department of Haematology, Instituto Privado de Hematologia e Investigación Clínica, Asunción, Paraguay
| | - Gustavo Maegawa
- Department of Pediatrics, New York-Presbyterian Morgan Stanley Children's Hospital, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY
| | - John A Bernat
- Division of Medical Genetics and Genomics, Stead Family Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA
| | - Myrl Holida
- Division of Medical Genetics and Genomics, Stead Family Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA
| | - Pilar Giraldo
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Hospital de Dia Quiron, Zaragoza, Spain
| | - Mohamed G Atta
- Division of Nephrology, Johns Hopkins School of Medicine, Baltimore, MD
| | - Raul Chertkoff
- Department of Product Development, Protalix Biotherapeutics, Carmiel, Israel
| | - Sari Alon
- Department of Product Development, Protalix Biotherapeutics, Carmiel, Israel
| | - Einat Brill Almon
- Department of Product Development, Protalix Biotherapeutics, Carmiel, Israel
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12
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Lenders M, Feidicker LM, Brand SM, Brand E. Characterization of pre-existing anti-PEG and anti-AGAL antibodies towards PRX-102 in patients with Fabry disease. Front Immunol 2023; 14:1266082. [PMID: 37818380 PMCID: PMC10561604 DOI: 10.3389/fimmu.2023.1266082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/11/2023] [Indexed: 10/12/2023] Open
Abstract
Polyethylene glycol (PEG)ylated drugs are used for medical treatment, since PEGylation either decreases drug clearance or/and shields the protein from undesirable immunogenicity. PEGylation was implemented in a new enzyme replacement therapy for Fabry disease (FD), pegunigalsidase-alfa (PRX-102). However, exposure to PEG via life-style products and vaccination can result in the formation of anti-PEG antibodies. We demonstrate the de novo formation of functional anti-PEG antibodies in a healthy male after the second mRNA-based vaccination against SARS-CoV-2. Consequently, we analyzed the frequency and inhibitory function of anti-PEG and anti-α-Galactosidase A (AGAL) antibodies in 102 FD patients (46.9% males). We identified 29 out of 87 (33.3%) patients with low anti-PEG titers. Sera from patients without anti-AGAL antibodies [n=70] showed a higher rescued AGAL activity of agalsidase-beta and PRX-102 [both p<0.0001] compared to those with anti-AGAL antibodies [n=15]. Sera from anti-AGAL antibody-negative and -positive patients had less inhibitory effects on PRX-102 (rescued activity: 89 ± 6% versus 85 ± 7% and 49 ± 26% versus 25 ± 32%; both p<0.0001). Enzyme stability assays demonstrated that AUCs in anti-AGAL-negative sera (n=20) were 7.6-fold higher for PRX-102, while AUCs of both enzymes in anti-AGAL-positive sera (n=6) were decreased. However, AUC for PRX-102 was 33% of non-anti-AGAL-positive sera treated PRX-102 and 5-fold higher compared to agalsidase-beta. Anti-PEG antibodies had no significant effects on serum half-life of PRX-102, probably due to low titers. Conceivably, therapy efficacy may be superior under next-generation PRX-102 therapy compared to current enzyme replacement therapies in terms of reduced inhibitory effects of anti-AGAL and minor inhibitory effects of anti-PEG antibodies.
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Affiliation(s)
- Malte Lenders
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Muenster, Muenster, Germany
| | - Lina Marleen Feidicker
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Muenster, Muenster, Germany
| | - Stefan-Martin Brand
- Institute of Sports Medicine, Interdisciplinary Fabry Center (IFAZ), University Hospital Muenster, Muenster, Germany
| | - Eva Brand
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Muenster, Muenster, Germany
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13
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Ter Huurne M, Parker BL, Liu NQ, Qian EL, Vivien C, Karavendzas K, Mills RJ, Saville JT, Abu-Bonsrah D, Wise AF, Hudson JE, Talbot AS, Finn PF, Martini PGV, Fuller M, Ricardo SD, Watt KI, Nicholls KM, Porrello ER, Elliott DA. GLA-modified RNA treatment lowers GB3 levels in iPSC-derived cardiomyocytes from Fabry-affected individuals. Am J Hum Genet 2023; 110:1600-1605. [PMID: 37607539 PMCID: PMC10502840 DOI: 10.1016/j.ajhg.2023.07.013] [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: 03/30/2023] [Revised: 07/29/2023] [Accepted: 07/31/2023] [Indexed: 08/24/2023] Open
Abstract
Recent studies in non-human model systems have shown therapeutic potential of nucleoside-modified messenger RNA (modRNA) treatments for lysosomal storage diseases. Here, we assessed the efficacy of a modRNA treatment to restore the expression of the galactosidase alpha (GLA), which codes for α-Galactosidase A (α-GAL) enzyme, in a human cardiac model generated from induced pluripotent stem cells (iPSCs) derived from two individuals with Fabry disease. Consistent with the clinical phenotype, cardiomyocytes from iPSCs derived from Fabry-affected individuals showed accumulation of the glycosphingolipid Globotriaosylceramide (GB3), which is an α-galactosidase substrate. Furthermore, the Fabry cardiomyocytes displayed significant upregulation of lysosomal-associated proteins. Upon GLA modRNA treatment, a subset of lysosomal proteins were partially restored to wild-type levels, implying the rescue of the molecular phenotype associated with the Fabry genotype. Importantly, a significant reduction of GB3 levels was observed in GLA modRNA-treated cardiomyocytes, demonstrating that α-GAL enzymatic activity was restored. Together, our results validate the utility of iPSC-derived cardiomyocytes from affected individuals as a model to study disease processes in Fabry disease and the therapeutic potential of GLA modRNA treatment to reduce GB3 accumulation in the heart.
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Affiliation(s)
- Menno Ter Huurne
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia; The Novo Nordisk Foundation Centre for Stem Cell Medicine (reNEW), Murdoch Children's Research Institute, Melbourne, VIC, Australia; Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia
| | - Benjamin L Parker
- Department of Anatomy and Physiology, University of Melbourne, Melbourne, VIC, Australia; Centre for Muscle Research, University of Melbourne, Melbourne, VIC, Australia
| | - Ning Qing Liu
- Department of Hematology, Erasmus Medical Center (MC) Cancer Institute, Rotterdam, the Netherlands
| | - Elizabeth Ling Qian
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Celine Vivien
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Kathy Karavendzas
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Richard J Mills
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia; The Novo Nordisk Foundation Centre for Stem Cell Medicine (reNEW), Murdoch Children's Research Institute, Melbourne, VIC, Australia; QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Jennifer T Saville
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital and Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Dad Abu-Bonsrah
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Andrea F Wise
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - James E Hudson
- QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia
| | - Andrew S Talbot
- Department of Nephrology, The Royal Melbourne Hospital and Department of Medicine (RMH), University of Melbourne, Parkville, VIC, Australia
| | - Patrick F Finn
- Rare Diseases Research, Moderna Inc., 200 Technology Sq., Cambridge, MA, USA
| | - Paolo G V Martini
- Rare Diseases Research, Moderna Inc., 200 Technology Sq., Cambridge, MA, USA
| | - Maria Fuller
- Genetics and Molecular Pathology, SA Pathology at Women's and Children's Hospital and Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Sharon D Ricardo
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Kevin I Watt
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia; The Novo Nordisk Foundation Centre for Stem Cell Medicine (reNEW), Murdoch Children's Research Institute, Melbourne, VIC, Australia; Department of Anatomy and Physiology, University of Melbourne, Melbourne, VIC, Australia
| | - Kathy M Nicholls
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Enzo R Porrello
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia; The Novo Nordisk Foundation Centre for Stem Cell Medicine (reNEW), Murdoch Children's Research Institute, Melbourne, VIC, Australia; Department of Anatomy and Physiology, University of Melbourne, Melbourne, VIC, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, The Royal Children's Hospital, Melbourne, VIC, Australia; Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia.
| | - David A Elliott
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia; The Novo Nordisk Foundation Centre for Stem Cell Medicine (reNEW), Murdoch Children's Research Institute, Melbourne, VIC, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, The Royal Children's Hospital, Melbourne, VIC, Australia; Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia; Australian Regenerative Medicine Institute (ARMI), Monash University, Clayton, VIC, Australia.
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14
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Deng M, Zhou H, He S, Qiu H, Wang Y, Zhao AY, Mu Y, Li F, Zhao AZ. Systematic gene therapy derived from an investigative study of AAV2/8 vector gene therapy for Fabry disease. Orphanet J Rare Dis 2023; 18:275. [PMID: 37670350 PMCID: PMC10481556 DOI: 10.1186/s13023-023-02894-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/26/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Fabry disease (FD) is a progressive multisystemic disease characterized by a lysosomal enzyme deficiency. A lack of α-galactosidase A (α-Gal A) activity results in the progressive systemic accumulation of its substrates, including globotriaosylceramide (Gb3) and globotriaosylsphingosine (Lyso-Gb3), which results in renal, cardiac, and/or cerebrovascular disease and early death. Enzyme replacement therapy (ERT) is the current standard of care for FD; however, it has important limitations, including a low half-life, limited distribution, and requirement of lifelong biweekly infusions of recombinant enzymes. METHODS Herein, we evaluated a gene therapy approach using an episomal adeno-associated viral 2/8 (AAV2/8) vector that encodes the human GLA cDNA driven by a liver-specific expression cassette in a mouse model of FD that lacks α-Gal A activity and progressively accumulates Gb3 and Lyso-Gb3 in plasma and tissues. RESULTS A pharmacology and toxicology study showed that administration of AAV2/8-hGLA vectors (AAV2/8-hGLA) in FD mice without immunosuppression resulted in significantly increased plasma and tissue α-Gal A activity and substantially normalized Gb3 and Lyso-Gb3 content. CONCLUSIONS Moreover, the plasma enzymatic activity of α-Gal A continued to be stably expressed for up to 38 weeks and sometimes even longer, indicating that AAV2/8-hGLA is effective in treating FD mice, and that α-Gal A is continuously and highly expressed in the liver, secreted into plasma, and absorbed by various tissues. These findings provide a basis for the clinical development of AAV2/8-hGLA.
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Affiliation(s)
- Mulan Deng
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - Hongyu Zhou
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - Shaomei He
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - Haoheng Qiu
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - Yanping Wang
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - April Yuanyi Zhao
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China
| | - Yunping Mu
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China.
| | - Fanghong Li
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China.
| | - Allan Zijian Zhao
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, Guangdong Province, People's Republic of China.
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15
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Averbuch T, White JA, Fine NM. Anderson-Fabry disease cardiomyopathy: an update on epidemiology, diagnostic approach, management and monitoring strategies. Front Cardiovasc Med 2023; 10:1152568. [PMID: 37332587 PMCID: PMC10272370 DOI: 10.3389/fcvm.2023.1152568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/09/2023] [Indexed: 06/20/2023] Open
Abstract
Anderson-Fabry disease (AFD) is an X-linked lysosomal storage disorder caused by deficient activity of the enzyme alpha-galactosidase. While AFD is recognized as a progressive multi-system disorder, infiltrative cardiomyopathy causing a number of cardiovascular manifestations is recognized as an important complication of this disease. AFD affects both men and women, although the clinical presentation typically varies by sex, with men presenting at a younger age with more neurologic and renal phenotype and women developing a later onset variant with more cardiovascular manifestations. AFD is an important cause of increased myocardial wall thickness, and advances in imaging, in particular cardiac magnetic resonance imaging and T1 mapping techniques, have improved the ability to identify this disease non-invasively. Diagnosis is confirmed by the presence of low alpha-galactosidase activity and identification of a mutation in the GLA gene. Enzyme replacement therapy remains the mainstay of disease modifying therapy, with two formulations currently approved. In addition, newer treatments such as oral chaperone therapy are now available for select patients, with a number of other investigational therapies in development. The availability of these therapies has significantly improved outcomes for AFD patients. Improved survival and the availability of multiple agents has presented new clinical dilemmas regarding disease monitoring and surveillance using clinical, imaging and laboratory biomarkers, in addition to improved approaches to managing cardiovascular risk factors and AFD complications. This review will provide an update on clinical recognition and diagnostic approaches including differentiation from other causes of increased ventricular wall thickness, in addition to modern strategies for management and follow-up.
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Affiliation(s)
- Tauben Averbuch
- Division of Cardiology, Department of Cardiac Sciences, University of Calgary, Calgary, AB, Canada
| | - James A. White
- Division of Cardiology, Department of Cardiac Sciences, University of Calgary, Calgary, AB, Canada
- Stephenson Cardiac Imaging Center, Alberta Health Services, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Nowell M. Fine
- Division of Cardiology, Department of Cardiac Sciences, University of Calgary, Calgary, AB, Canada
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16
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Lenders M, Brand E. Assessment and impact of dose escalation on anti-drug antibodies in Fabry disease. Front Immunol 2022; 13:1024963. [PMID: 36569886 PMCID: PMC9782970 DOI: 10.3389/fimmu.2022.1024963] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
Enzyme replacement therapy (ERT) with recombinant α-galactosidase A (AGAL) can lead to the formation of neutralizing anti-drug antibodies (ADA), which significantly limit treatment efficacy in patients with Fabry disease (FD). The effects of dose escalation on ADA titer and plasma globotriaosylsphingosine (lyso-Gb3) level are unknown. We screened 250 FD patients (200 males, 50 females) under ERT for ADAs and assessed the impact of an approved dose escalation in affected patients, focusing on ADA titers and plasma lyso-Gb3. ADA-positive patients were identified by serum-mediated inhibition assays, followed by titration assays to determine the individual inhibitory capacities of ADAs against agalsidase-alfa and agalsidase-beta. 70 (35%) of the male patients were ADA-positive, with a mean inhibitory capacity of 83.5 ± 113.7mg AGAL. Although patients receiving agalsidase-beta showed higher inhibitory capacities (84.7 ± 34.7mg) than patients under agalsidase-alfa (60.3 ± 126.7mg, p<0.001), the "theoretical deficit" to the infused dose was lower in patients receiving agalsidase-beta. In seven patients receiving agalsidase-alfa (0.2 mg/kg) ADAs were saturable by switching patients to agalsidase-beta (1.0 mg/kg). The switch resulted in increasing ADA titers within the first months. In 2 out of 7 (28.6%) therapy switchers, dose escalation could lead to durable ADA saturation. Independent of an increase in ADA titers, lyso-Gb3 levels decrease and cardiac and renal parameters remained stable after dose escalation. Dose escalation results in a heterogeneous, unpredictable ADA response, with more than a quarter of all treatment switchers succeeding in ADA saturation. Longitudinal ADA measurements are required to assess the individual risk of affected patients.
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Becker-Gotot J, Meissner M, Kotov V, Jurado-Mestre B, Maione A, Pannek A, Albert T, Flores C, Schildberg FA, Gleeson PA, Reipert BM, Oldenburg J, Kurts C. Immune tolerance against infused FVIII in hemophilia A is mediated by PD-L1+ Tregs. J Clin Invest 2022; 132:e159925. [PMID: 36107620 PMCID: PMC9663153 DOI: 10.1172/jci159925] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 09/13/2022] [Indexed: 11/03/2023] Open
Abstract
A major complication of hemophilia A therapy is the development of alloantibodies (inhibitors) that neutralize intravenously administered coagulation factor VIII (FVIII). Immune tolerance induction therapy (ITI) by repetitive FVIII injection can eradicate inhibitors, and thereby reduce morbidity and treatment costs. However, ITI success is difficult to predict and the underlying immunological mechanisms are unknown. Here, we demonstrated that immune tolerance against FVIII under nonhemophilic conditions was maintained by programmed death (PD) ligand 1-expressing (PD-L1-expressing) regulatory T cells (Tregs) that ligated PD-1 on FVIII-specific B cells, causing them to undergo apoptosis. FVIII-deficient mice injected with FVIII lacked such Tregs and developed inhibitors. Using an ITI mouse model, we found that repetitive FVIII injection induced FVIII-specific PD-L1+ Tregs and reengaged removal of inhibitor-forming B cells. We also demonstrated the existence of FVIII-specific Tregs in humans and showed that such Tregs upregulated PD-L1 in patients with hemophilia after successful ITI. Simultaneously, FVIII-specific B cells upregulated PD-1 and became killable by Tregs. In summary, we showed that PD-1-mediated B cell tolerance against FVIII operated in healthy individuals and in patients with hemophilia A without inhibitors, and that ITI reengaged this mechanism. These findings may impact monitoring of ITI success and treatment of patients with hemophilia A.
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Affiliation(s)
- Janine Becker-Gotot
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Mirjam Meissner
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Vadim Kotov
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Blanca Jurado-Mestre
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Andrea Maione
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Andreas Pannek
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Thilo Albert
- Institute for Experimental Hematology and Transfusion Medicine (IHT), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Chrystel Flores
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Frank A. Schildberg
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Bonn, Germany
| | - Paul A. Gleeson
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
| | | | - Johannes Oldenburg
- Institute for Experimental Hematology and Transfusion Medicine (IHT), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
| | - Christian Kurts
- Institute of Molecular Medicine and Experimental Immunology (IMMEI), Rheinische Friedrich-Wilhelms-Universität, Venusberg Campus 1, Bonn, Germany
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Hwang S, Lee BH, Kim WS, Kim DS, Cheon CK, Lee CH, Choi Y, Choi JH, Kim JH, Yoo HW. A phase II, multicenter, open-label trial to evaluate the safety and efficacy of ISU303 (Agalsidase beta) in patients with Fabry disease. Medicine (Baltimore) 2022; 101:e30345. [PMID: 36123934 PMCID: PMC9478233 DOI: 10.1097/md.0000000000030345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Fabry disease (FD) is caused by a deficiency in the activity of the lysosomal enzyme, α-galactosidase A (α-Gal A), which leads to globotriaosylceramide (Gb3) deposition in multiple tissues. The current management of FD is enzyme replacement therapy (ERT). We report on the efficacy and safety of a new agalsidase beta, ISU303, in FD. METHODS Ten patients (7 males, 3 females) were enrolled and administered a 1 mg/kg dose of ISU303, every other week for 6 months. The primary endpoint was the normalization of plasma Gb3 level. The secondary endpoints were the changes from baseline in urine Gb3 and the plasma and urine lyso-globotriaosylsphingosine (lyso-Gb3) level. Echocardiography, renal function test, and pain-related quality of life were also assessed before and after administration. Safety evaluation was performed including vital signs, laboratory tests, electrocardiograms, antibody screening tests, and adverse events at each visit. RESULTS At 22 weeks of treatment, plasma and urine Gb3 level decreased by a mean of 4.01 ± 1.29 μg/mL (range 2.50-5.70) (P = .005) and 1.12 ± 1.98 μg/mg Cr. (range 0.04-5.65) (P = .017), respectively. However, no significant difference was observed in plasma and urine lyso-Gb3 levels. Echocardiography also was not changed. Renal function and pain-related quality of life showed improvements, but there was no clinical significance. No severe adverse events were observed. Only 1 patient developed an anti-drug antibody without neutralizing activity during the trial. CONCLUSION This study showed the efficacy and safety of ISU303. Treatment with ISU303 significantly resulted in plasma and urine Gb3 decrease in patients with FD. These results suggest that ISU303 is safe and effective and can alternative ERT for FD.
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Affiliation(s)
- Soojin Hwang
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Beom Hee Lee
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
- Medical Genetics Center, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Woo-Shik Kim
- Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Korea
| | - Dae-Seong Kim
- Department of Neurology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Chong Kun Cheon
- Department of Pediatrics, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
| | - Chang Hwa Lee
- Department of Internal Medicine, Hanyang University Medical Center, Seoul, Korea
| | - Yunha Choi
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin-Ho Choi
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Ja Hye Kim
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
| | - Han-Wook Yoo
- Department of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
- Medical Genetics Center, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea
- *Correspondence: Han-Wook Yoo, Department of Pediatrics, Asan Medical Center Children’s Hospital, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea (e-mail: )
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19
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Pre-existing anti-drug antibodies in Fabry disease show less affinity for pegunigalsidase alfa. Mol Ther Methods Clin Dev 2022; 26:323-330. [PMID: 35990747 PMCID: PMC9379515 DOI: 10.1016/j.omtm.2022.07.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/15/2022] [Indexed: 10/25/2022]
Abstract
We analyzed the cross-reactivity of anti-drug antibodies (ADAs) against agalsidase-alfa and -beta from 49 patients with Fabry disease (FD) against the novel PEGylated enzyme pegunigalsidase-alfa (PRX-102). The affinity of purified anti-AGAL antibodies from pooled patient sera was significantly lower for PRX-102 compared to agalsidase-alfa and -beta (both p < 0.05). Pull-down experiments revealed the presence of masked epitopes on PRX-102, possibly due to PEGylation. ADA titers in serum (μg/mL) and corresponding inhibitory capacities against agalsidase-alfa and -beta were measured in male patients with FD, showing strong correlations (r2 = 0.9978 and 0.4930, both p < 0.001). Affinities of ADAs of individual patients against PRX-102 (Kd: 3.55 ± 2.72 μmol) were significantly lower compared to agalsidase alfa (Kd: 1.99 ± 1.26 μmol) and -beta (Kd: 2.18 ± 1.51 μmol) (both p < 0.0001). Cross-ELISAs supported the presence of masked epitopes on PRX-102. Importantly, inhibition measurements also revealed a 30% reduction in inhibitory capacity of pre-existing ADAs towards PRX-102. Enzyme-uptake experiments in AGAL-deficient EA.hy926 cells demonstrated less effects of ADAs on cellular PRX-102 uptake compared with agalsidase beta. We conclude that due to the reduced affinity of pre-existing ADAs against agalsidase-alfa or -beta, ADA-affected patients might benefit from a therapy switch to PRX-102, which is currently evaluated in clinical trials.
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Germain DP, Altarescu G, Barriales-Villa R, Mignani R, Pawlaczyk K, Pieruzzi F, Terryn W, Vujkovac B, Ortiz A. An expert consensus on practical clinical recommendations and guidance for patients with classic Fabry disease. Mol Genet Metab 2022; 137:49-61. [PMID: 35926321 DOI: 10.1016/j.ymgme.2022.07.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/21/2022] [Accepted: 07/21/2022] [Indexed: 11/28/2022]
Abstract
Fabry disease is an X-linked inherited lysosomal disorder that causes accumulation of glycosphingolipids in body fluids and tissues, leading to progressive organ damage and reduced life expectancy. It can affect both males and females and can be classified into classic or later-onset phenotypes. In classic Fabry disease, α-galactosidase A (α-Gal A) activity is absent or severely reduced and disease manifestations have an early onset that can affect multiple organs. In contrast, in later-onset Fabry disease, patients have residual α-Gal A activity and clinical features are primarily confined to the heart. Individualized therapeutic goals in Fabry disease are required due to varying phenotypes and patient characteristics, and the wide spectrum of disease severity. An international group of expert physicians convened to discuss and develop practical clinical recommendations for disease- and organ-specific therapeutic goals in Fabry disease, based on expert consensus and evidence identified through a structured literature review. Biomarkers reflecting involvement of various organs in adult patients with classic Fabry disease are discussed and consensus recommendations for disease- and organ-specific therapeutic goals are provided. These consensus recommendations should support the establishment of individualized approaches to the management of patients with classic Fabry disease by considering identification, diagnosis, and initiation of disease-specific therapies before significant organ involvement, as well as routine monitoring, to reduce morbidity, optimize patient care, and improve patient health-related quality of life.
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Affiliation(s)
- Dominique P Germain
- French Referral Center for Fabry disease and MetabERN European Reference Network for Inherited Metabolic Diseases, Division of Medical Genetics, University of Versailles, Paris-Saclay University, 2, allée de la source de la Bièvre, 78180 Montigny, France
| | - Gheona Altarescu
- Shaare Zedek Institute of Medical Genetics, Shaare Zedek Medical Center, Shmu'el Bait St 12, Jerusalem 9103102, Israel
| | - Roberto Barriales-Villa
- Unidad de Cardiopatías Familiares, Hospital Universitario da Coruña, (INIBIC/CIBERCV), As Xubias, 84, 15006 A Coruña, Spain
| | - Renzo Mignani
- Department of Nephrology, Infermi Hospital, Viale Luigi Settembrini, 2, 47923 Rimini, RN, Italy
| | - Krzysztof Pawlaczyk
- Department of Nephrology, Transplantology and Internal Medicine, Poznan University of Medical Sciences, Collegium Maius, Fredry 10, 61-701 Poznań, Poland
| | - Federico Pieruzzi
- Nephrology Clinic, School of Medicine and Surgery, University of Milano-Bicocca, Piazza dell'Ateneo Nuovo, 1, 20126 Milano, MI, Italy; Nephrology and Dialysis Department, ASST-Monza, San-Gerardo Hospital, Via Aliprandi, 23, 20900 Monza, MB, Italy
| | - Wim Terryn
- General Internal Medicine and Nephrology, Jan Yperman Hospital, Briekestraat 12, 8900 Ypres, Belgium
| | - Bojan Vujkovac
- Fabry Center, Slovenj Gradec General Hospital, Gosposvetska cesta 3, 2380 Slovenj Gradec, Slovenia
| | - Alberto Ortiz
- Jiménez Díaz Foundation University Hospital, Avda. Reyes Católicos, 2, 28040 Madrid, Spain; Department of Medicine, Universidad Autonoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
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Rodríguez-Castejón J, Gómez-Aguado I, Beraza-Millor M, Solinís MÁ, del Pozo-Rodríguez A, Rodríguez-Gascón A. Galactomannan-Decorated Lipidic Nanocarrier for Gene Supplementation Therapy in Fabry Disease. NANOMATERIALS 2022; 12:nano12142339. [PMID: 35889565 PMCID: PMC9324688 DOI: 10.3390/nano12142339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/29/2022] [Accepted: 07/05/2022] [Indexed: 02/05/2023]
Abstract
Gene supplementation therapy with plasmid DNA (pDNA) represents one of the most promising strategies for the treatment of monogenic diseases such as Fabry disease (FD). In the present work, we developed a solid lipid nanoparticles (SLN)-based non-viral vector with a size below 100 nm, and decorated with galactomannan (GM) to target the liver as an α-Galactosidase A (α-Gal A) production factory. After the physicochemical characterization of the GM-SLN vector, cellular uptake, transfection efficacy and capacity to increase α-Gal A activity were evaluated in vitro in a liver cell line (Hep G2) and in vivo in an animal model of FD. The vector showed efficient internalization and it was highly efficient in promoting protein synthesis in Hep G2 cells. Additionally, the vector did not show relevant agglutination of erythrocytes and lacked hemolytic activity. After the systemic administration to Fabry mice, it achieved clinically relevant α-Gal A activity levels in plasma, liver, and other organs, importantly in heart and kidneys, two of the most damaged organs in FD. This work shows the potential application of GM-decorated lipidic nanocarries for the treatment of FD by pDNA-based gene augmentation.
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Affiliation(s)
- Julen Rodríguez-Castejón
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
| | - Itziar Gómez-Aguado
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
| | - Marina Beraza-Millor
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
| | - María Ángeles Solinís
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
| | - Ana del Pozo-Rodríguez
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
- Correspondence: (A.d.P.-R.); (A.R.-G.); Tel.: +34-945-014-498 (A.d.P.-R.); +34-945-013-094 (A.R.-G.)
| | - Alicia Rodríguez-Gascón
- Pharmacokinetic, Nanotechnology and Gene Therapy Group (PharmaNanoGene), Faculty of Pharmacy, Centro de Investigación Lascaray Ikergunea, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (J.R.-C.); (I.G.-A.); (M.B.-M.); (M.Á.S.)
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria-Gasteiz, Spain
- Correspondence: (A.d.P.-R.); (A.R.-G.); Tel.: +34-945-014-498 (A.d.P.-R.); +34-945-013-094 (A.R.-G.)
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Silva CAB, Andrade LGMD, Vaisbich MH, Barreto FDC. Brazilian consensus recommendations for the diagnosis, screening, and treatment of individuals with fabry disease: Committee for Rare Diseases - Brazilian Society of Nephrology/2021. J Bras Nefrol 2022; 44:249-267. [PMID: 35212703 PMCID: PMC9269181 DOI: 10.1590/2175-8239-jbn-2021-0208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 11/16/2021] [Indexed: 11/21/2022] Open
Abstract
Fabry disease (FD) is an X-linked inherited disorder caused by mutations in the GLA gene encoding enzyme alpha-galactosidase A (α-Gal A). The purpose of this study was to produce a consensus statement to standardize the recommendations concerning kidney involvement in FD and provide advice on the diagnosis, screening, and treatment of adult and pediatric patients. This consensus document was organized from an initiative led by the Committee for Rare Diseases (Comdora) of the Brazilian Society of Nephrology (SBN). The review considered randomized clinical trials, real-world data studies, and the expertise of its authors. The purpose of this consensus statement is to help manage patient and physician expectations concerning the outcomes of treatment. Our recommendations must be interpreted within the context of available evidence. The decisions pertaining to each individual case must be made with the involvement of patients and their families and take into account not only the potential cost of treatment, but also concurrent conditions and personal preferences. The Comdora intends to update these recommendations regularly so as to reflect recent literature evidence, real-world data, and appreciate the professional experience of those involved. This consensus document establishes clear criteria for the diagnosis of FD and for when to start or stop specific therapies or adjuvant measures, to thus advise the medical community and standardize clinical practice.
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Lenders M, Brand E. Mechanisms of Neutralizing Anti-drug Antibody Formation and Clinical Relevance on Therapeutic Efficacy of Enzyme Replacement Therapies in Fabry Disease. Drugs 2021; 81:1969-1981. [PMID: 34748189 PMCID: PMC8602155 DOI: 10.1007/s40265-021-01621-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2021] [Indexed: 12/13/2022]
Abstract
Fabry disease (FD) is a rare X-linked lysosomal storage disorder caused by mutations in the α-galactosidase A (AGAL/GLA) gene. The lysosomal accumulation of the substrates globotriaosylceramide (Gb3) and globotriaosylsphingosine (lyso-Gb3) results in progressive renal failure, cardiomyopathy associated with cardiac arrhythmia, and recurrent strokes, significantly limiting life expectancy in affected patients. Current treatment options for FD include recombinant enzyme-replacement therapies (ERTs) with intravenous agalsidase-α (0.2 mg/kg body weight) or agalsidase-β (1 mg/kg body weight) every 2 weeks, facilitating cellular Gb3 clearance and an overall improvement of disease burden. However, ERT can lead to infusion-associated reactions, as well as the formation of neutralizing anti-drug antibodies (ADAs) in ERT-treated males, leading to an attenuation of therapy efficacy and thus disease progression. In this narrative review, we provide a brief overview of the clinical picture of FD and diagnostic confirmation. The focus is on the biochemical and clinical significance of neutralizing ADAs as a humoral response to ERT. In addition, we provide an overview of different methods for ADA measurement and characterization, as well as potential therapeutic approaches to prevent or eliminate ADAs in affected patients, which is representative for other ERT-treated lysosomal storage diseases.
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Affiliation(s)
- Malte Lenders
- Department of Internal Medicine D, Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany.
| | - Eva Brand
- Department of Internal Medicine D, Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149, Muenster, Germany
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Domm JM, Wootton SK, Medin JA, West ML. Gene therapy for Fabry disease: Progress, challenges, and outlooks on gene-editing. Mol Genet Metab 2021; 134:117-131. [PMID: 34340879 DOI: 10.1016/j.ymgme.2021.07.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 12/14/2022]
Abstract
Gene therapy is the delivery of a therapeutic gene for endogenous cellular expression with the goal of rescuing a disease phenotype. It has been used to treat an increasing number of human diseases with many strategies proving safe and efficacious in clinical trials. Gene delivery may be viral or non-viral, performed in vivo or ex vivo, and relies on gene integration or transient expression; all of these techniques have been applied to the treatment of Fabry disease. Fabry disease is a genetic disorder of the α-galactosidase A gene, GLA, that causes an accumulation of glycosphingolipids in cells leading to cardiac, renal and cerebrovascular damage and eventually death. Currently, there are no curative treatments available, and the therapies that are used have significant drawbacks. These treatment concerns have led to the advent of gene therapies for Fabry disease. The first Fabry patients to receive gene therapy were treated with recombinant lentivirus targeting their hematopoietic stem/progenitor cells. Adeno-associated virus treatments have also begun. Alternatively, the field of gene-editing is a new and rapidly growing field. Gene-editing has been used to repair disease-causing mutations or insert genes into cellular DNA. These techniques have the potential to be applied to the treatment of Fabry disease provided the concerns of gene-editing technology, such as safety and efficiency, were addressed. This review focuses on the current state of gene therapy as it is being developed for Fabry disease, including progresses and challenges as well as an overview of gene-editing and how it may be applied to correct Fabry disease-causing mutations in the future.
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Affiliation(s)
- Jakob M Domm
- Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada.
| | - Sarah K Wootton
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Jeffrey A Medin
- Department of Pediatrics and Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Michael L West
- Department of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada.
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Tang ASO, Wong QY, Pao Lin Ting I, Selvesten P, Yeo ST, Chew LP, Fam TL, Tan CHH. First 2 Fabry Cases with Novel Mutation and Their Associated Clusters in Malaysia. AMERICAN JOURNAL OF CASE REPORTS 2021; 22:e932923. [PMID: 34354036 PMCID: PMC8351246 DOI: 10.12659/ajcr.932923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND No cases of Fabry disease (FD) have been reported thus far in Malaysia. We aimed to report the demographic characteristics, clinical manifestations, molecular results, and treatment outcomes of 2 FD cases. This study was a retrospective review of 2 family clusters of FD on follow-up in Sarawak, Malaysia. CASE REPORT Two index patients were confirmed to have FD. Index patient 1, who had nephrotic-range proteinuria and cornea verticillata, carried a variant within exon 4 of the GLA gene: c.610 T>C (p.Trp204Arg). Agalsidase beta (Fabrazyme®) enzyme replacement therapy was initiated, with the absence of neutralizing antibody after 24 months. No hypersensitivity or adverse reactions were reported. The patient's proteinuria and renal function remained stable. Other family members who carried the same mutation were asymptomatic. Index patient 2, who had residual activity of alpha-galactosidase A and a normal globotriaosylsphingosine level, carried a novel GLA mutation of c.548-5T>A. He was diagnosed with end-stage renal disease on regular dialysis and had nonspecific headache with 1 episode of seizure a few years prior to FD genetic screening. One brother had chronic neuropathic pain but refused further investigations. Other family members who had the same mutation were asymptomatic. This mutation has never been reported in literature, and its pathogenicity warrants further studies. CONCLUSIONS It is of utmost importance to increase awareness of FD among clinicians, so that appropriate screening may be done to determine its true prevalence and prompt treatment can be initiated early.
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Affiliation(s)
- Andy Sing Ong Tang
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Qi Ying Wong
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Ingrid Pao Lin Ting
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Panting Selvesten
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Siaw Tze Yeo
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Lee Ping Chew
- Haematology Unit, Department of Internal Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
| | - Tem Lom Fam
- Department of Internal Medicine, Miri Hospital, Ministry of Health, Miri, Sarawak, Malaysia
| | - Clare Hui Hong Tan
- Nephrology Unit, Department of Internal Medicine, Sarawak General Hospital, Ministry of Health, Kuching, Sarawak, Malaysia
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Considerations for Home-Based Treatment of Fabry Disease in Poland during the COVID-19 Pandemic and Beyond. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168242. [PMID: 34443990 PMCID: PMC8394954 DOI: 10.3390/ijerph18168242] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 01/30/2023]
Abstract
Current therapy for Anderson–Fabry disease in Poland includes hospital or clinic-based intravenous enzyme replacement therapy with recombinant agalsidase alpha or beta, or oral pharmacological chaperone therapy with migalastat. Some countries around the world offer such treatment to patients in the comfort of their own homes. The 2020–2021 COVID-19 pandemic has pushed global healthcare providers to evolve their services so as to minimize the risk of COVID-19 exposure to both patients and providers; this has led to advances in telemedicine services and the increasing availability of at-home treatment for various procedures including parenteral drug administration. A total of 80% of surveyed Anderson–Fabry disease patients in Poland would prefer home-based treatment, which would be a safe and convenient alternative to clinic-based treatment if patient selection is based on our proposed algorithm. Our recommendations for home-based treatments appear feasible for the long term care of Anderson–Fabry disease patients during the COVID-19 pandemic and beyond. This may also serve as a basis for home-based treatment programs in other rare and ultra-rare genetic diseases.
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Barbey F, Monney P, Dormond O. [Chaperone molecules: The example of Fabry disease]. Nephrol Ther 2021; 17S:S11-S22. [PMID: 33910691 DOI: 10.1016/j.nephro.2020.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 02/06/2020] [Indexed: 11/29/2022]
Abstract
Fabry disease is due to mutations in the GLA gene that cause a deficiency of the activity of the lysosomal enzyme alpha-galactosidase A (α-gal A) resulting in intra-tissue accumulation of globotriaosylceramide. Recently, a novel therapeutic approach based on the pharmacological chaperone migalastat has been developed. It binds, in a specific and reversible manner, to the catalytic site of α-gal A mutants, to prevent their degradation by the quality control system of the endoplasmic reticulum and allow them to catabolize globotriaosylceramide in the lysosomes. This treatment concerns approximately 35% of the GLA gene mutations recognized as sensitive to migalastat according to an in vitro pharmacogenetic test. Two pivotal Phase III studies, FACETS: migalastat vs. placebo and ATTRACT: migalastat vs. enzyme replacement therapy analyzed the in vivo effects of migalastat. Despite some methodological limitations, promising results were found. Migalastat seems to be more effective than enzyme replacement therapy in reducing left ventricular mass index in case of cardiac hypertrophy and has comparable renal effects. This oral treatment is the first personalized treatment, based on the genetic profile of Fabry patients and opens a new era in the management of conformational diseases.
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Affiliation(s)
- Frédéric Barbey
- Service de médecine génétique, centre hospitalier universitaire vaudois, université de Lausanne, Lausanne, Suisse.
| | - Pierre Monney
- Département cœur-vaisseaux, centre hospitalier universitaire vaudois, université de Lausanne, Lausanne, Suisse.
| | - Olivier Dormond
- Service de chirurgie viscérale, centre hospitalier universitaire vaudois, université de Lausanne, Lausanne, Suisse.
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Simonetta I, Tuttolomondo A, Daidone M, Miceli S, Pinto A. Treatment of Anderson-Fabry Disease. Curr Pharm Des 2021; 26:5089-5099. [PMID: 32183665 DOI: 10.2174/1381612826666200317142412] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/10/2020] [Indexed: 12/25/2022]
Abstract
Fabry disease is an X-linked disorder of glycosphingolipid metabolism that results in progressive accumulation of neutral glycosphingolipids, predominantly globotriaosylsphingosine (Gb3) in lysosomes, as well as other cellular compartments of several tissues, causing multi-organ manifestations (acroparesthesias, hypohidrosis, angiokeratomas, signs and symptoms of cardiac, renal, cerebrovascular involvement). Pathogenic mutations lead to a deficiency of the lysosomal enzyme alpha-galactosidase A (GLA). In the presence of high clinical suspicion, a careful physical examination and specific laboratory tests are required. Finally, the diagnosis of Fabry's disease is confirmed by the demonstration of the absence of or reduced alpha-galactosidase A enzyme activity in hemizygous men and gene typing in heterozygous females. Measurement of the biomarkers Gb3 and Lyso Gb3 in biological specimens may facilitate diagnosis. The current treatment of Anderson-Fabry disease is represented by enzyme replacement therapy (ERT) and oral pharmacological chaperone. Future treatments are based on new strategic approaches such as stem cell-based therapy, pharmacological approaches chaperones, mRNA therapy, and viral gene therapy. This review outlines the current therapeutic approaches and emerging treatment strategies for Anderson-Fabry disease.
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Affiliation(s)
- Irene Simonetta
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro" (PROMISE), University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy
| | - Antonino Tuttolomondo
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro" (PROMISE), University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy
| | - Mario Daidone
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro" (PROMISE), University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy
| | - Salvatore Miceli
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro" (PROMISE), University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy
| | - Antonio Pinto
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro" (PROMISE), University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy
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Oder D, Müntze J, Nordbeck P. Contemporary therapeutics and new drug developments for treatment of Fabry disease: a narrative review. Cardiovasc Diagn Ther 2021; 11:683-695. [PMID: 33968645 DOI: 10.21037/cdt-20-743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Fabry disease (OMIM 301500) is an X-linked (Xq22.1) lysosomal storage disorder leading to a progressive multisystem disease with high variability in both genotype and phenotype expression. The pathophysiological origin is found in an enzyme deficiency of the α-galactosidase A (enzyme commission no. 3.2.1.22) leading to accumulation of globotriaosylceramides in all lysosome carrying tissue. Especially organ manifestations of the heart, kidneys and nervous system are of significant prognostic value and might complicate with Fabry-associated pain, young aged cryptogenic stroke, proteinuria, kidney failure, hypertrophic cardiomyopathy, heart failure, malign cardiac rhythm disturbances and eventually sudden cardiac death. Up to the introduction of the first enzyme replacement agent in 2001, patients faced the disease's natural course with no disease-specific therapies available. Today, two recombinant enzyme replacement agents (Fabrazyme®, Sanofi Genzyme, Cambridge, MA, USA; Replagal®, Takeda Pharmaceutical, Tokio, Japan) and one oral chaperone therapy (Migalastat®, Amicus Therapeutics, USA) are available and well-established in daily clinical practice. Substrate reduction therapy, second-generation enzyme replacement agents and different gene therapy approaches are currently undergoing preclinical and clinical trial phases and aim to improve therapeutic success and long-term outcome of patients with Fabry disease. This narrative review summarizes the currently available therapeutic options and future perspectives in Fabry disease.
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Affiliation(s)
- Daniel Oder
- Department of Internal Medicine I, Fabry Center for Interdisciplinary Therapy (FAZIT) and Comprehensive Heart Failure Center (CHFC), University Hospital Würzburg, Würzburg, Germany
| | - Jonas Müntze
- Department of Internal Medicine I, Fabry Center for Interdisciplinary Therapy (FAZIT) and Comprehensive Heart Failure Center (CHFC), University Hospital Würzburg, Würzburg, Germany
| | - Peter Nordbeck
- Department of Internal Medicine I, Fabry Center for Interdisciplinary Therapy (FAZIT) and Comprehensive Heart Failure Center (CHFC), University Hospital Würzburg, Würzburg, Germany
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Pagant S, Huston MW, Moreira L, Gan L, St Martin S, Sproul S, Holmes MC, Meyer K, Wechsler T, Desnick RJ, Yasuda M. ZFN-mediated in vivo gene editing in hepatocytes leads to supraphysiologic α-Gal A activity and effective substrate reduction in Fabry mice. Mol Ther 2021; 29:3230-3242. [PMID: 33775910 PMCID: PMC8572137 DOI: 10.1016/j.ymthe.2021.03.018] [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: 09/08/2020] [Revised: 02/16/2021] [Accepted: 03/22/2021] [Indexed: 12/25/2022] Open
Abstract
Fabry disease, a lysosomal storage disorder resulting from the deficient activity of α-galactosidase A (α-Gal A), is characterized by cardiac, renal, and/or cerebrovascular disease due to progressive accumulation of the enzyme’s substrates, globotriaosylceramide (Gb3) and globotriaosylsphingosine (Lyso-Gb3). We report here the preclinical evaluation of liver-targeted in vivo genome editing using zinc-finger nuclease (ZFN) technology to insert the human α-galactosidase A (hGLA) cDNA into the albumin “safe harbor” locus of Fabry mice, thereby generating an albumin-α-Gal A fusion protein. The mature α-Gal A protein is secreted into the circulation for subsequent mannose-6-phosphate receptor-mediated tissue uptake. Donor vector optimization studies showed that replacing the hGLA cDNA signal peptide sequence with that of human iduronate 2-sulfatase (IDS) achieved higher transgene expression. Intravenous adeno-associated virus (AAV) 2/8-mediated co-delivery of the IDS-hGLA donor and ZFNs targeting the albumin locus resulted in continuous, supraphysiological plasma and tissue α-Gal A activities, which essentially normalized Gb3 and Lyso-Gb3 levels in key tissues of pathology. Notably, this was achieved with <10% of hepatocytes being edited to express hGLA, occurring mostly via non-homologous end joining (NHEJ) rather than homology-directed repair (HDR). These studies indicate that ZFN-mediated in vivo genome editing has the potential to be an effective one-time therapy for Fabry disease.
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Affiliation(s)
- Silvere Pagant
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Luciana Moreira
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Lin Gan
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Scott Sproul
- Sangamo Therapeutics, Inc., Brisbane, CA 94005, USA
| | | | | | | | - Robert J Desnick
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Makiko Yasuda
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
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Abstract
Fabry disease (FD) is a rare X-linked lysosomal storage disease based on a deficiency of α-galactosidase A (AGAL) caused by mutations in the α-galactosidase A gene (GLA). The lysosomal accumulation of glycosphingolipids, especially globotriaosylceramide (Gb3) and globotriaosylsphingosine (lyso-Gb3, deacylated form), leads to a multisystemic disease with progressive renal failure, cardiomyopathy with potentially malignant cardiac arrhythmias, and strokes, which considerably limits the life expectancy of affected patients. Diagnostic confirmation in male patients is based on the detection of AGAL deficiency in blood leukocytes, whereas in women, due to the potentially high residual enzymatic activity, molecular genetic detection of a causal mutation is required. Current treatment options for FD include recombinant enzyme replacement therapy (ERT) with intravenous agalsidase-alfa (0.2 mg/kg body weight) or agalsidase-beta (1 mg/kg body weight) every 2 weeks and oral chaperone therapy with migalastat (123 mg every other day), which selectively and reversibly binds to the active site of AGAL, thereby correcting the misfolding of the enzyme and allowing it to traffic to the lysosome. These therapies enable cellular Gb3 clearance and improve the burden of disease. However, in about 40% of all ERT-treated men, ERT can lead to infusion-associated reactions and the formation of neutralizing antidrug antibodies, which reduces the efficacy of therapy. In chaperone therapy, there are carriers of amenable mutations that show limited clinical success. This article provides a brief overview of the clinical picture in FD patients, diagnostic confirmation, and interdisciplinary clinical management of FD. The focus is on current and future therapeutic options.
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Affiliation(s)
- Malte Lenders
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, and Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, and Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.
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Lenders M, Scharnetzki D, Heidari A, Di Iorio D, Wegner SV, Brand E. Generation and Characterization of a Polyclonal Human Reference Antibody to Measure Anti-Drug Antibody Titers in Patients with Fabry Disease. Int J Mol Sci 2021; 22:2680. [PMID: 33800950 PMCID: PMC7961705 DOI: 10.3390/ijms22052680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/31/2022] Open
Abstract
Male patients with Fabry disease (FD) are at high risk for the formation of antibodies to recombinant α-galactosidase A (AGAL), used for enzyme replacement therapy. Due to the rapid disease progression, the identification of patients at risk is highly warranted. However, currently suitable references and standardized protocols for anti-drug antibodies (ADA) determination do not exist. Here we generate a comprehensive patient-derived antibody mixture as a reference, allowing ELISA-based quantification of antibody titers from individual blood samples. Serum samples of 22 male patients with FD and ADAs against AGAL were pooled and purified by immune adsorption. ADA-affinities against agalsidase-α, agalsidase-β and Moss-AGAL were measured by quartz crystal microbalance with dissipation monitoring (QCM-D). AGAL-specific immune adsorption generated a polyclonal ADA mixture showing a concentration-dependent binding and inhibition of AGAL. Titers in raw sera and from purified total IgGs (r2 = 0.9063 and r2 = 0.8952, both p < 0.0001) correlated with the individual inhibitory capacities of ADAs. QCM-D measurements demonstrated comparable affinities of the reference antibody for agalsidase-α, agalsidase-β and Moss-AGAL (KD: 1.94 ± 0.11 µM, 2.46 ± 0.21 µM, and 1.33 ± 0.09 µM, respectively). The reference antibody allows the ELISA-based ADA titer determination and quantification of absolute concentrations. Furthermore, ADAs from patients with FD have comparable affinities to agalsidase-α, agalsidase-β and Moss-AGAL.
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Affiliation(s)
- Malte Lenders
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Muenster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany; (D.S.); (E.B.)
| | - David Scharnetzki
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Muenster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany; (D.S.); (E.B.)
| | - Ali Heidari
- Institute of Physiological Chemistry and Pathobiochemistry, University of Muenster, 48149 Muenster, Germany; (A.H.); (D.D.I.); (S.V.W.)
| | - Daniele Di Iorio
- Institute of Physiological Chemistry and Pathobiochemistry, University of Muenster, 48149 Muenster, Germany; (A.H.); (D.D.I.); (S.V.W.)
| | - Seraphine Valeska Wegner
- Institute of Physiological Chemistry and Pathobiochemistry, University of Muenster, 48149 Muenster, Germany; (A.H.); (D.D.I.); (S.V.W.)
| | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Muenster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany; (D.S.); (E.B.)
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Kok K, Zwiers KC, Boot RG, Overkleeft HS, Aerts JMFG, Artola M. Fabry Disease: Molecular Basis, Pathophysiology, Diagnostics and Potential Therapeutic Directions. Biomolecules 2021; 11:271. [PMID: 33673160 PMCID: PMC7918333 DOI: 10.3390/biom11020271] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/05/2021] [Accepted: 02/06/2021] [Indexed: 02/06/2023] Open
Abstract
Fabry disease (FD) is a lysosomal storage disorder (LSD) characterized by the deficiency of α-galactosidase A (α-GalA) and the consequent accumulation of toxic metabolites such as globotriaosylceramide (Gb3) and globotriaosylsphingosine (lysoGb3). Early diagnosis and appropriate timely treatment of FD patients are crucial to prevent tissue damage and organ failure which no treatment can reverse. LSDs might profit from four main therapeutic strategies, but hitherto there is no cure. Among the therapeutic possibilities are intravenous administered enzyme replacement therapy (ERT), oral pharmacological chaperone therapy (PCT) or enzyme stabilizers, substrate reduction therapy (SRT) and the more recent gene/RNA therapy. Unfortunately, FD patients can only benefit from ERT and, since 2016, PCT, both always combined with supportive adjunctive and preventive therapies to clinically manage FD-related chronic renal, cardiac and neurological complications. Gene therapy for FD is currently studied and further strategies such as substrate reduction therapy (SRT) and novel PCTs are under investigation. In this review, we discuss the molecular basis of FD, the pathophysiology and diagnostic procedures, together with the current treatments and potential therapeutic avenues that FD patients could benefit from in the future.
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Affiliation(s)
- Ken Kok
- Department of Medical Biochemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Kimberley C Zwiers
- Department of Medical Biochemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Rolf G Boot
- Department of Medical Biochemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Hermen S Overkleeft
- Department of Bio-organic Synthesis, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Johannes M F G Aerts
- Department of Medical Biochemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Marta Artola
- Department of Medical Biochemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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Azevedo O, Gago MF, Miltenberger-Miltenyi G, Sousa N, Cunha D. Fabry Disease Therapy: State-of-the-Art and Current Challenges. Int J Mol Sci 2020; 22:ijms22010206. [PMID: 33379210 PMCID: PMC7794923 DOI: 10.3390/ijms22010206] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 12/13/2022] Open
Abstract
Fabry disease (FD) is a lysosomal storage disorder caused by mutations of the GLA gene that lead to a deficiency of the enzymatic activity of α-galactosidase A. Available therapies for FD include enzyme replacement therapy (ERT) (agalsidase alfa and agalsidase beta) and the chaperone migalastat. Despite the large body of literature published about ERT over the years, many issues remain unresolved, such as the optimal dose, the best timing to start therapy, and the clinical impact of anti-drug antibodies. Migalastat was recently approved for FD patients with amenable GLA mutations; however, recent studies have raised concerns that "in vitro" amenability may not always reflect "in vivo" amenability, and some findings on real-life studies have contrasted with the results of the pivotal clinical trials. Moreover, both FD specific therapies present limitations, and the attempt to correct the enzymatic deficiency, either by enzyme exogenous administration or enzyme stabilization with a chaperone, has not shown to be able to fully revert FD pathology and clinical manifestations. Therefore, several new therapies are under research, including new forms of ERT, substrate reduction therapy, mRNA therapy, and gene therapy. In this review, we provide an overview of the state-of-the-art on the currently approved and emerging new therapies for adult patients with FD.
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Affiliation(s)
- Olga Azevedo
- Cardiology Department, Reference Center on Lysosomal Storage Disorders, Hospital Senhora da Oliveira, 4835-044 Guimarães, Portugal
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (M.F.G.); (G.M.-M.); (N.S.); (D.C.)
- ICVS/3Bs PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
- Correspondence: ; Tel.: +351-253-540-330; Fax: +351-253-513-592
| | - Miguel Fernandes Gago
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (M.F.G.); (G.M.-M.); (N.S.); (D.C.)
- ICVS/3Bs PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
- Neurology Department, Reference Center on Lysosomal Storage Disorders, Hospital Senhora da Oliveira, 4835-044 Guimarães, Portugal
| | - Gabriel Miltenberger-Miltenyi
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (M.F.G.); (G.M.-M.); (N.S.); (D.C.)
- ICVS/3Bs PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
- Genetics Department, Reference Center on Lysosomal Storage Disorders, Hospital Senhora da Oliveira, 4835-044 Guimarães, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (M.F.G.); (G.M.-M.); (N.S.); (D.C.)
- ICVS/3Bs PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Damião Cunha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (M.F.G.); (G.M.-M.); (N.S.); (D.C.)
- ICVS/3Bs PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
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Mueller MS, Sidharta PN, Voors-Pette C, Darpo B, Xue H, Dingemanse J. The effect of the glucosylceramide synthase inhibitor lucerastat on cardiac repolarization: results from a thorough QT study in healthy subjects. Orphanet J Rare Dis 2020; 15:303. [PMID: 33109218 PMCID: PMC7590462 DOI: 10.1186/s13023-020-01582-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 10/13/2020] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Fabry disease is a rare inherited glycosphingolipid storage disorder caused by deleterious mutations in the GLA gene coding for the lysosomal enzyme α-galactosidase A. The glucosylceramide synthase inhibitor lucerastat is an iminosugar with potential to provide oral substrate reduction therapy in Fabry disease, regardless of the patient´s underlying mutation. Since lucerastat exhibits systemic exposure and many patients with Fabry disease suffer from rhythm and conduction abnormalities its effects on cardiac repolarization were evaluated in a thorough QT study. METHODS In Part A of this randomized, double-blind, placebo-controlled phase 1 study, single oral doses of 2000 and 4000 mg lucerastat were investigated to determine the supratherapeutic dose for Part B. The latter was a four-way crossover study to demonstrate that lucerastat at single oral therapeutic and supratherapeutic doses had no effect on the QTc interval > 10 ms using concentration-QTc modeling as primary analysis. The primary ECG endpoint was placebo-corrected change-from-baseline (ΔΔ) in Fridericia-corrected QTc (ΔΔQTcF). Open-label moxifloxacin served as positive control. RESULTS The effect of lucerastat on ΔΔQTcF was predicted as 0.39 ms (90% confidence interval [CI] - 0.13 to 0.90) and 1.69 ms (90% CI 0.33-3.05) at lucerastat peak plasma concentration after dosing with 1000 mg (5.2 µg/mL) and 4000 mg (24.3 µg/mL), respectively. A QTcF effect > 10 ms was excluded up to lucerastat plasma concentrations of approximately 34.0 µg/mL. Lucerastat did not exert an effect on other ECG parameters. Across doses, absorption of lucerastat was rapid, its elimination half-life ranged from 8.0 to 10.0 h, and the pharmacokinetics (PK) of lucerastat were dose-proportional. Moxifloxacin PK were in line with published data and assay sensitivity was demonstrated by the moxifloxacin QTc response. Lucerastat was safe and well tolerated. CONCLUSIONS Lucerastat up to a dose of 4000 mg has no clinically relevant liability to prolong the QT interval or any clinically relevant effect on other ECG parameters. This will be an important factor in the overall benefit-risk assessment of lucerastat in the potential treatment of Fabry disease. Trial registration The study was registered with the ClinicalTrials.gov identifier NCT03832452 (February 6th, 2019, https://clinicaltrials.gov/ct2/show/NCT03832452 ) and the EudraCT number 2018-004546-42 (December 17th, 2018).
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Affiliation(s)
- Markus S Mueller
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland.
| | - Patricia N Sidharta
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | | | - Borje Darpo
- eResearch Technology Inc, ERT, Rochester, NY, USA
| | - Hongqi Xue
- eResearch Technology Inc, ERT, Rochester, NY, USA
| | - Jasper Dingemanse
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland
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Tsukimura T, Tayama Y, Shiga T, Hirai K, Togawa T, Sakuraba H. Anti-drug antibody formation in Japanese Fabry patients following enzyme replacement therapy. Mol Genet Metab Rep 2020; 25:100650. [PMID: 33072516 PMCID: PMC7548986 DOI: 10.1016/j.ymgmr.2020.100650] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 09/13/2020] [Indexed: 02/06/2023] Open
Abstract
Enzyme replacement therapy (ERT) for Fabry disease (deficiency of α-galactosidase A, α-Gal) with recombinant α-Gals (agalsidase alfa and agalsidase beta) is widely available and improves some of the clinical manifestations and biochemical findings. However, recent reports suggest that recurrent administration of recombinant enzymes often induces the formation of anti-drug antibodies, which may have a negative impact on the outcome of the therapy. We examined the formation of anti-drug antibodies using blood samples from 97 Japanese Fabry patients following ERT and tried to characterize them by means of enzyme-linked immunosorbent assay (ELISA), serum-mediated α-Gal inhibition, and immunochromatographic (IC) assay, followed by GLA gene analysis and measurement of plasma globotriaosylsphingosine (lyso-Gb3). ELISA revealed that 20/35 (57%) classic Fabry males were antibody (Immunoglobulin G, IgG) -positive (Ab+) at 6 months after the initiation of ERT, although only two of the seventeen (12%) later-onset Fabry males and none of the 45 Fabry females were. The Ab+ state was maintained at least until 24 months after the initiation of ERT in most of the cases, the exceptions being two patients who acquired immune tolerance during ERT. As many Ab+ patients have nonsense mutations, attention should be paid to the formation of anti-drug antibodies in Fabry patients harboring such gene mutations, who hardly produce α-Gal protein. Serum-mediated α-Gal inhibition was seen in most of the Ab+ patients and the antibodies affected the reduction of the plasma lyso-Gb3 level following ERT, suggesting that the antibodies inhibit the enzyme activity. There was a correlation between the results of the IC test and those of the ELISA. As the former is easy and rapid, it should be useful as a bed-side test. The anti-drug antibodies formed in Fabry patients during ERT were characterized. Serum-mediated α-Gal inhibition was seen in most of the antibody-positive patients. The immunochromatographic test is easy, rapid, and useful as a bed-side test.
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Affiliation(s)
- Takahiro Tsukimura
- Department of Functional Bioanalysis, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Yuya Tayama
- Department of Functional Bioanalysis, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Tomoko Shiga
- Department of Clinical Genetics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Kanako Hirai
- Department of Clinical Genetics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Tadayasu Togawa
- Department of Functional Bioanalysis, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Hitoshi Sakuraba
- Department of Clinical Genetics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
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van der Veen SJ, Hollak CEM, van Kuilenburg ABP, Langeveld M. Developments in the treatment of Fabry disease. J Inherit Metab Dis 2020; 43:908-921. [PMID: 32083331 PMCID: PMC7540041 DOI: 10.1002/jimd.12228] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 02/10/2020] [Accepted: 02/17/2020] [Indexed: 12/19/2022]
Abstract
Enzyme replacement therapy (ERT) with recombinant α-galactosidase A (r-αGAL A) for the treatment of Fabry disease has been available for over 15 years. Long-term treatment may slow down disease progression, but cardiac, renal, and cerebral complications still develop in most patients. In addition, lifelong intravenous treatment is burdensome. Therefore, several new treatment approaches have been explored over the past decade. Chaperone therapy (Migalastat; 1-deoxygalactonojirimycin) is the only other currently approved therapy for Fabry disease. This oral small molecule aims to improve enzyme activity of mutated α-galactosidase A and can only be used in patients with specific mutations. Treatments currently under evaluation in (pre)clinical trials are second generation enzyme replacement therapies (Pegunigalsidase-alfa, Moss-aGal), substrate reduction therapies (Venglustat and Lucerastat), mRNA- and gene-based therapy. This review summarises the knowledge on currently available and potential future options for the treatment of Fabry disease.
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Affiliation(s)
- Sanne J. van der Veen
- Department of Endocrinology and MetabolismAmsterdam UMC, University of AmsterdamAZAmsterdamThe Netherlands
| | - Carla E. M. Hollak
- Department of Endocrinology and MetabolismAmsterdam UMC, University of AmsterdamAZAmsterdamThe Netherlands
| | - André B. P. van Kuilenburg
- Department of Clinical Chemistry, Gastroenterology & MetabolismAmsterdam UMC, University of AmsterdamAZAmsterdamThe Netherlands
| | - Mirjam Langeveld
- Department of Endocrinology and MetabolismAmsterdam UMC, University of AmsterdamAZAmsterdamThe Netherlands
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Scharnetzki D, Stappers F, Lenders M, Brand E. Detailed epitope mapping of neutralizing anti-drug antibodies against recombinant α-galactosidase A in patients with Fabry disease. Mol Genet Metab 2020; 131:229-234. [PMID: 32888778 DOI: 10.1016/j.ymgme.2020.08.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/21/2020] [Accepted: 08/21/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND Fabry disease (FD) is a lysosomal storage disease, treatable by enzyme replacement therapy (ERT) that substitutes deficient α-galactosidase A (AGAL). The formation of neutralizing anti-drug antibodies (ADA) inhibiting AGAL activity is associated with disease progression in affected male patients. In the current study, we performed a detailed epitope mapping of ADAs from antibody-positive males against infused AGAL. METHODS A detailed epitope mapping for 34 male FD patients with neutralizing ADAs against AGAL was performed. Based on this data, in silico analyses were used to identify potential epitope clusters and mapped surface-located or buried epitopes. ELISA-based assays against α-galactosidase B (NAGA) were performed to identify ADAs that potentially recognize shared epitopes of AGAL and NAGA. A subset of 20 patients was analyzed to assess if NAGA-recognizing ADAs against AGAL might affect long-term outcomes under ERT. RESULTS Thirty percent of the AGAL active site was recognized by patients' ADAs. No differences between buried and surface-located epitopes were observed. Dependent on the epitopes, ADAs against AGAL were also able to recognize human NAGA. Patients with NAGA recognizing anti-AGAL antibodies presented with lower plasma NAGA activities. The presence of NAGA-recognizing ADAs had no effect on disease progression. CONCLUSION In conclusion, our current data underline previous reports demonstrating a large variation of antibody epitopes against AGAL. Detailed epitope mapping in affected patients might be the first step for the generation of patient-specific blocking peptides and/or immune adsorption columns for an individually tailored anti-antibody strategy.
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Affiliation(s)
- David Scharnetzki
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany
| | - Franciska Stappers
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany
| | - Malte Lenders
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany.
| | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster (IFAZ), University Hospital Muenster, 48149 Muenster, Germany
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Predicting the Development of Anti-Drug Antibodies against Recombinant alpha-Galactosidase A in Male Patients with Classical Fabry Disease. Int J Mol Sci 2020; 21:ijms21165784. [PMID: 32806627 PMCID: PMC7460974 DOI: 10.3390/ijms21165784] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/03/2020] [Accepted: 08/06/2020] [Indexed: 12/17/2022] Open
Abstract
Fabry Disease (FD) is a rare, X-linked, lysosomal storage disease that mainly causes renal, cardiac and cerebral complications. Enzyme replacement therapy (ERT) with recombinant alpha-galactosidase A is available, but approximately 50% of male patients with classical FD develop inhibiting anti-drug antibodies (iADAs) that lead to reduced biochemical responses and an accelerated loss of renal function. Once immunization has occurred, iADAs tend to persist and tolerization is hard to achieve. Here we developed a pre-treatment prediction model for iADA development in FD using existing data from 120 classical male FD patients from three European centers, treated with ERT. We found that nonsense and frameshift mutations in the α-galactosidase A gene (p = 0.05), higher plasma lysoGb3 at baseline (p < 0.001) and agalsidase beta as first treatment (p = 0.006) were significantly associated with iADA development. Prediction performance of a Random Forest model, using multiple variables (AUC-ROC: 0.77) was compared to a logistic regression (LR) model using the three significantly associated variables (AUC-ROC: 0.77). The LR model can be used to determine iADA risk in individual FD patients prior to treatment initiation. This helps to determine in which patients adjusted treatment and/or immunomodulatory regimes may be considered to minimize iADA development risk.
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Alleyn M, Closson K, Gentile A, Gulbis N, Taylor C, Rhyne P. Design and Evaluation of a Multiplexed Assay to Assess Human Immunogenicity Against Humira®. AAPS JOURNAL 2020; 22:104. [PMID: 32748082 PMCID: PMC7399670 DOI: 10.1208/s12248-020-00487-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/13/2020] [Indexed: 11/30/2022]
Abstract
The use of biologic-based therapeutics has revolutionized our ability to treat complex diseases such as cancer- and autoimmune-related disorders. Biologic-based therapeutics are known to generate anti-drug immune responses or immunogenicity in clinical patients which can lead to altered pharmacokinetics, decreased drug efficacy, and unwanted adverse clinical events. Assays designed to detect and assess anti-drug immune responses are used to help monitor patients and improve drug safety. Utilizing a tiered approach, screening assays are developed first to identify patients that are potentially positive for anti-drug-specific antibodies. Patients that screen positive are subjected to additional tiers of testing that include a confirmation assay to confirm the presence of expected anti-drug-specific antibodies, a titer assay to assess relative levels of anti-drug-specific antibodies, and, depending on the drug's mechanism of action or concerns of adverse clinical reactions, further characterization such as drug neutralization and anti-drug antibody isotyping. This tiered approach can prove to be detrimental to clinical samples from exposure to multiple cycles of testing, freeze thaws, and repeated handling by lab personnel. Multiplexing some of these assays together may streamline the characterization of anti-drug immune responses and help reduce the repeated usage of clinical samples. In this study, we combined a screening assay and anti-drug isotyping assays into one multiplexed assay using the Luminex® xMAP® Technology. The multiplexed assay was developed and validated to meet the FDA recommended guidelines for immunogenicity assessments. These results show that multiplexed assays perform comparably to industry standards. This study should encourage labs to explore the use of multiplexing immunogenicity assays to characterize anti-drug antibody responses quickly, with less repeat testing and reduced sample handling.
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Affiliation(s)
- Matthew Alleyn
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA
| | - Kristin Closson
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA
| | - Adam Gentile
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA
| | - Nathan Gulbis
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA
| | - Christopher Taylor
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA
| | - Paul Rhyne
- Immunologix Laboratories, 4710 Eisenhower Blvd, Building D, Tampa, Florida, 33634, USA. .,Bill & Melinda Gates Medical Research Institute, One Kendall Square Building 600 Suite 6-301, Cambridge, Massachusetts, 02139, USA.
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41
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Yasuda M, Huston MW, Pagant S, Gan L, St Martin S, Sproul S, Richards D, Ballaron S, Hettini K, Ledeboer A, Falese L, Cao L, Lu Y, Holmes MC, Meyer K, Desnick RJ, Wechsler T. AAV2/6 Gene Therapy in a Murine Model of Fabry Disease Results in Supraphysiological Enzyme Activity and Effective Substrate Reduction. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 18:607-619. [PMID: 32775495 PMCID: PMC7396970 DOI: 10.1016/j.omtm.2020.07.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/02/2020] [Indexed: 01/14/2023]
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by mutations in the alpha-galactosidase A (GLA) gene, which encodes the exogalactosyl hydrolase, alpha-galactosidase A (α-Gal A). Deficient α-Gal A activity results in the progressive, systemic accumulation of its substrates, globotriaosylceramide (Gb3) and globotriaosylsphingosine (Lyso-Gb3), leading to renal, cardiac, and/or cerebrovascular disease and early demise. The current standard treatment for Fabry disease is enzyme replacement therapy, which necessitates lifelong biweekly infusions of recombinant enzyme. A more long-lasting treatment would benefit Fabry patients. Here, a gene therapy approach using an episomal adeno-associated viral 2/6 (AAV2/6) vector that encodes the human GLA cDNA driven by a liver-specific expression cassette was evaluated in a Fabry mouse model that lacks α-Gal A activity and progressively accumulates Gb3 and Lyso-Gb3 in plasma and tissues. A detailed 3-month pharmacology and toxicology study showed that administration of a clinical-scale-manufactured AAV2/6 vector resulted in markedly increased plasma and tissue α-Gal A activities, and essentially normalized Gb3 and Lyso-Gb3 at key sites of pathology. Further optimization of vector design identified the clinical lead vector, ST-920, which produced several-fold higher plasma and tissue α-Gal A activity levels with a good safety profile. Together, these studies provide the basis for the clinical development of ST-920.
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Affiliation(s)
- Makiko Yasuda
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Silvere Pagant
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lin Gan
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Scott Sproul
- Sangamo Therapeutics, Inc., Brisbane, CA 94005, USA
| | | | | | | | | | | | - Liching Cao
- Sangamo Therapeutics, Inc., Brisbane, CA 94005, USA
| | - Yanmei Lu
- Sangamo Therapeutics, Inc., Brisbane, CA 94005, USA
| | | | | | - Robert J Desnick
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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42
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Körver S, Longo MGF, Lima MR, Hollak CEM, El Sayed M, van Schaik IN, Vedolin L, Dijkgraaf MGW, Langeveld M. Determinants of cerebral radiological progression in Fabry disease. J Neurol Neurosurg Psychiatry 2020; 91:756-763. [PMID: 32317398 DOI: 10.1136/jnnp-2019-322268] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/13/2020] [Accepted: 03/17/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIM It is unclear which patients with Fabry disease (FD) are at risk for progression of white matter lesions (WMLs) and brain infarctions and whether enzyme replacement therapy (ERT) changes this risk. The aim of this study was to determine the effect of ERT and clinical characteristics on progression of WMLs and infarctions on MRI in patients with FD. METHODS MRIs were assessed for WMLs (Fazekas scale), infarctions and basilar artery diameter (BAD). The effect of clinical characteristics (renal and cardiac involvement, cardiovascular risk factors, cardiac complications, BAD) and ERT on WML and infarction progression was evaluated using mixed models. RESULTS One hundred forty-nine patients were included (median age: 39 years, 38% men, 79% classical phenotype). Median follow-up time was 7 years (range: 0-13 years) with a median number of MRIs per patient of 5 (range: 1-14), resulting in a total of 852 scans. Variables independently associated with WML and infarction progression were age, male sex and a classical phenotype. Progression of WMLs and infarctions was not affected by adding ERT to the model, neither for the whole group, nor for early treated patients. Progression was highly variable among patients which could not be explained by other known variables such as hypertension, cholesterol, atrial fibrillation and changes in kidney function, left ventricular mass or BAD. CONCLUSION Progression of WMLs and cerebral infarctions in FD is mainly related to age, sex and phenotype. Additional effects of established cardiovascular risk factors, organ involvement and treatment with ERT are probably small to negligible.
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Affiliation(s)
- Simon Körver
- Endocrinology and Metabolism, Amsterdam UMC-Locatie AMC, Amsterdam, The Netherlands
| | - Maria G F Longo
- Department of Radiology, Massachusetts General Hospital Institute for Patient Care, Boston, Massachusetts, USA
| | - Marjana R Lima
- Department of Radiology, Hospital Moinhos de Vento, Porto Alegre, RS, Brazil
| | - Carla E M Hollak
- Endocrinology and Metabolism, Amsterdam UMC-Locatie AMC, Amsterdam, The Netherlands
| | - Mohamed El Sayed
- Endocrinology and Metabolism, Amsterdam UMC-Locatie AMC, Amsterdam, The Netherlands
| | - Ivo N van Schaik
- Department of Neurology, Amsterdam UMC-Locatie AMC, Amsterdam, North Holland, The Netherlands.,Spaarne Gasthuis, Haarlem, Noord-Holland, The Netherlands
| | - Leonardo Vedolin
- Imaging Director, Diagnosticos da America SA, Barueri, São Paulo, Brazil
| | - Marcel G W Dijkgraaf
- Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam UMC-Locatie AMC, Amsterdam, North Holland, The Netherlands
| | - Mirjam Langeveld
- Endocrinology and Metabolism, Amsterdam UMC-Locatie AMC, Amsterdam, The Netherlands
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43
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Mhanni AA, Auray-Blais C, Boutin M, Johnston A, LeMoine K, Patterson J, Aerts JMFG, West ML, Rockman-Greenberg C. Therapeutic challenges in two adolescent male patients with Fabry disease and high antibody titres. Mol Genet Metab Rep 2020; 24:100618. [PMID: 32612933 PMCID: PMC7322173 DOI: 10.1016/j.ymgmr.2020.100618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 06/15/2020] [Accepted: 06/16/2020] [Indexed: 01/29/2023] Open
Abstract
Enzyme replacement therapy (ERT) has been shown to stabilize certain aspects of Fabry disease (FD). However, in some patients on ERT, high antibody titres have been documented, with limited clinical improvement in systemic manifestations and often with significant adverse drug reactions. We present two related adolescent males with a 4.5 kb GLA deletion, not amenable to chaperone therapy, leading to profound reduction in α-galactosidase A (α-gal A) enzyme activity. Over a 3-year period of ERT, increasing IgG antibody titres against α-gal A were noted. After starting ERT serial urine globotriaosylceramide (Gb3) measurements showed an upward trend from 333 to 2260 μg/mmol creatinine for patient 1 and 1165 to 2260 μg/mmol creatinine for patient 2. Markedly increased levels of urine and plasma globotriaosylsphingosine (Lyso-Gb3) analogues were also found. The patients experienced recurrent infusion-associated reactions necessitating premedication and prolonged infusion times. Over the 3-year period of ERT, the patients experienced continued malaise, gastrointestinal symptoms and neuropathic pain. In addition, they had increasing anxiety related to their disease and apparent lack of response to ERT which led to a decision to ultimately stop ERT. No other approved treatment options are currently available for these patients. It is possible that the rapid development of the high antidrug neutralizing antibody (ADA) titres is related to the large GLA deletion leading to virtually absent enzyme activity. It remains unclear if their symptomatology during the period of receiving ERT is related to lack of its efficacy, the rising ADA titres, or both. These two patients highlight the need for further research into the management of antidrug antibodies and additional therapeutic approaches for FD. Synopsis The development of very high antidrug antibody titres in response to ERT in two related adolescent males with FD highlight the need for other therapeutic options for patients in whom ERT or other currently approved therapies does not meet their treatment needs.
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Affiliation(s)
- Aizeddin A Mhanni
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.,Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Christiane Auray-Blais
- Division of Medical Genetics, Department of Pediatrics, Centre de Recherche-CHUS, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Michel Boutin
- Division of Medical Genetics, Department of Pediatrics, Centre de Recherche-CHUS, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Alie Johnston
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.,Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | - Kaye LeMoine
- Nova Scotia Health Authority, Halifax, Nova Scotia, Canada
| | - Jill Patterson
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | | | - Michael L West
- Nova Scotia Health Authority, Halifax, Nova Scotia, Canada.,Department of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Cheryl Rockman-Greenberg
- Department of Pediatrics and Child Health, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.,Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
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Stappers F, Scharnetzki D, Schmitz B, Manikowski D, Brand SM, Grobe K, Lenders M, Brand E. Neutralising anti-drug antibodies in Fabry disease can inhibit endothelial enzyme uptake and activity. J Inherit Metab Dis 2020; 43:334-347. [PMID: 31587315 DOI: 10.1002/jimd.12176] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/22/2019] [Accepted: 09/24/2019] [Indexed: 11/10/2022]
Abstract
Fabry disease (FD) is a lysosomal storage disease, treatable by enzyme replacement therapy (ERT) that substitutes deficient α-galactosidase A (AGAL). The formation of neutralising anti-drug antibodies (ADA) inhibiting AGAL activity during infusion is associated with disease progression in affected male patients. In this study we analysed if ADAs also inhibit endothelial enzyme uptake as well as intracellular enzyme activity. Therefore, fluorescence-labelled AGAL in combination with ADA-positive sera from FD patients (n = 8) was used to analyse enzyme uptake in endothelial and FD-specific cells. Furthermore, immune adsorption and a comprehensive ADA epitope mapping were performed. Pre-incubation of AGAL with ADAs significantly inhibited intracellular enzyme activity, which was rescued by immune adsorption (both P < .01). ADAs from some patients also inhibited enzyme uptake. ADA epitope mapping identified an epitope at position 121 to 140 aa potentially responsible for uptake inhibition for these patients. Further analyses revealed the presence of stable AGAL/ADA-immune complexes at pH 4.5 and decreased intracellular enzyme activity in endothelial cells (P < .001). Finally, the pre-incubation of AGAL with ADAs resulted in a reduced depletion of intracellular globotriaosylceramide in patient-derived AGAL-deficient cells, demonstrating a direct negative impact of ADAs on intracellular clearance. Neutralising ADAs may not only inhibit infused AGAL activity, but according to their epitopes can also inhibit endothelial AGAL uptake. Indeed, internalised AGAL/ADA-complexes may not dissociate, underlining the importance of novel therapeutic approaches for ADA reduction and prevention to increase therapy efficiency in affected patients.
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Affiliation(s)
- Franciska Stappers
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, University Hospital Muenster, Muenster, Germany
| | - David Scharnetzki
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, University Hospital Muenster, Muenster, Germany
| | - Boris Schmitz
- Institute of Sports Medicine, Molecular Genetics of Cardiovascular Disease, University Hospital Muenster, Muenster, Germany
| | - Dominique Manikowski
- Institute of Physiological Chemistry and Pathobiochemistry and Cells-in-Motion Cluster of Excellence (EXC1003-CiM), University of Muenster, Muenster, Germany
| | - Stefan-Martin Brand
- Institute of Sports Medicine, Molecular Genetics of Cardiovascular Disease, University Hospital Muenster, Muenster, Germany
| | - Kay Grobe
- Institute of Physiological Chemistry and Pathobiochemistry and Cells-in-Motion Cluster of Excellence (EXC1003-CiM), University of Muenster, Muenster, Germany
| | - Malte Lenders
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, University Hospital Muenster, Muenster, Germany
| | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, University Hospital Muenster, Muenster, Germany
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45
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Troy S, Wasilewski M, Beusmans J, Godfrey CJ. Pharmacokinetic Modeling of Intrathecally Administered Recombinant Human Arylsulfatase A (TAK-611) in Children With Metachromatic Leukodystrophy. Clin Pharmacol Ther 2020; 107:1394-1404. [PMID: 31868225 PMCID: PMC7325319 DOI: 10.1002/cpt.1752] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 12/04/2019] [Indexed: 12/11/2022]
Abstract
Metachromatic leukodystrophy (MLD) is a lysosomal storage disease caused by deficient arylsulfatase A (ASA) activity, which leads to neuronal sulfatide accumulation and motor and cognitive deterioration. Intrathecal delivery of a recombinant human ASA (TAK-611, formerly SHP611) is under development as a potential therapy for MLD. We used serum and cerebrospinal fluid (CSF) TAK-611 concentrations measured during the phase I/II trial of intrathecal TAK-611 to develop a pharmacokinetic (PK) model describing drug disposition. CSF data were well characterized by a two-compartment model in the central nervous system (CNS); a single central compartment described the serum data. Estimated parameters suggested rapid distribution of TAK-611 from CSF into the putative brain tissue compartment, with persistence in the brain between doses (median distributive and terminal half-lives in the CNS: 1.02 and 477 hours, respectively). This model provides a valuable basis for understanding the PK distribution of TAK-611 and for PK/pharmacodynamic analyses of functional outcomes.
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Affiliation(s)
- Steven Troy
- Shire (a member of the Takeda group of companies), Lexington, Massachusetts, USA.,Radius Health, Waltham, Massachusetts, USA
| | - Margaret Wasilewski
- Shire (a member of the Takeda group of companies), Lexington, Massachusetts, USA.,ID Remedies LLC, Medford, Massachusetts, USA
| | - Jack Beusmans
- Metrum Research Group, Tariffville, Connecticut, USA
| | - C J Godfrey
- Metrum Research Group, Tariffville, Connecticut, USA
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46
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Krämer J, Lenders M, Canaan-Kühl S, Nordbeck P, Üçeyler N, Blaschke D, Duning T, Reiermann S, Stypmann J, Brand SM, Gottschling T, Störk S, Wanner C, Sommer C, Brand E, Weidemann F. Fabry disease under enzyme replacement therapy-new insights in efficacy of different dosages. Nephrol Dial Transplant 2019; 33:1362-1372. [PMID: 29186537 DOI: 10.1093/ndt/gfx319] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 10/11/2017] [Indexed: 11/13/2022] Open
Abstract
Background Fabry patients on reduced dose of agalsidase-beta or after switch to agalsidase-alfa show a decline in estimated glomerular filtration rate (eGFR) and an increase of the Mainz Severity Score Index. Methods In this prospective observational study, we assessed end-organ damage and clinical symptoms in 112 patients who had received agalsidase-beta (1.0 mg/kg) for >1 year, who were (i) non-randomly assigned to continue this treatment regime (regular-dose group, n = 37); (ii) received a reduced dose of agalsidase-beta and subsequent switch to agalsidase-alfa (0.2 mg/kg) or a direct switch to 0.2 mg/kg agalsidase-alfa (switch group, n = 38); or (iii) were re-switched to agalsidase-beta after receiving agalsidase-alfa for at least 12 months (re-switch group, n = 37) with a median follow-up of 53 (38-57) months. Results eGFR of patients in the regular-dose group remained stable. Patients in the switch group showed an annual eGFR loss of - 4.6 ± 9.1 mL/min/1.73 m2 (P < 0.05). Patients in the re-switch group also had an eGFR loss of - 2.2 ± 4.4 mL/min/1.73 m2 after re-switch to agalsidase-beta, but to a lower degree compared with the switch group (P < 0.05). Patients in the re-switch group suffered less frequently from diarrhoea (relative risk 0.42; 95% confidence interval 0.19-0.93; P = 0.02). Lyso-Gb3 remained stable in the switch (P = 0.97) and the regular-dose (P = 0.48) groups, but decreased in the re-switch group after change of the therapy regimen (P < 0.05). Conclusions After switch to agalsidase-alfa, Fabry patients experienced a continuous decline in eGFR, while this decline was attenuated in patients who were re-switched to agalsidase-beta. Decreasing lyso-Gb3 levels may indicate a better treatment response in the latter group.
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Affiliation(s)
- Johannes Krämer
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany.,Department of Pediatrics and Adolescent Medicine, University of Ulm, Ulm, Germany
| | - Malte Lenders
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster, University Hospital Münster, Münster, Germany
| | - Sima Canaan-Kühl
- Department of Medicine, Division of Nephrology, Charité, Campus Virchow-Klinikum, Berlin, Germany
| | - Peter Nordbeck
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany
| | - Nurcan Üçeyler
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany.,Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Daniela Blaschke
- Department of Medicine, Division of Cardiology, Charité, Campus Virchow-Klinikum, Berlin, Germany
| | - Thomas Duning
- Department of Neurology, University Hospital Münster, Münster, Germany
| | - Stefanie Reiermann
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster, University Hospital Münster, Münster, Germany
| | - Jörg Stypmann
- Department of Cardiovascular Medicine, Division of Cardiology, University Hospital Münster, Münster, Germany
| | - Stefan-Martin Brand
- Institute of Sports Medicine, Molecular Genetics of Cardiovascular Disease, University Hospital Münster, Münster, Germany
| | | | - Stefan Störk
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany
| | - Christoph Wanner
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany
| | - Claudia Sommer
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany.,Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, Interdisciplinary Fabry Center Münster, University Hospital Münster, Münster, Germany
| | - Frank Weidemann
- Department of Internal Medicine I, Divisions of Cardiology and Nephrology, Comprehensive Heart Failure Center, Fabry Center for Interdisciplinary Therapy (FAZIT), University Hospital and University of Würzburg, Würzburg, Germany.,Katharinen-Hospital Unna, Unna, Germany
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47
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Sasa H, Nagao M, Kino K. Safety and effectiveness of enzyme replacement therapy with agalsidase alfa in patients with Fabry disease: Post-marketing surveillance in Japan. Mol Genet Metab 2019; 126:448-459. [PMID: 30803893 DOI: 10.1016/j.ymgme.2019.02.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 02/19/2019] [Accepted: 02/19/2019] [Indexed: 02/05/2023]
Abstract
Fabry disease is a rare X-linked inherited multisystem disorder resulting from deficiency of the lysosomal enzyme alpha-galactosidase A. Currently, specific therapies, including enzyme replacement therapies, are available for Fabry disease, but clinical trials provide limited information on long-term safety and effectiveness. Agalsidase alfa was approved in Japan in 2006. The post-marketing surveillance study of all patients receiving agalsidase alfa to evaluate its long-term safety and effectiveness as a mandatory condition for its approval had been conducted for 8 years (from February 2007 to March 2015). A total of 493 patients were included in this analysis of safety and effectiveness. The overall mean follow-up period was 3.5 years (range, 0.0-7.9 years). The percentage of patients with adverse drug reactions was 24.5% (121/493) and 12.6% had infusion-related reactions (62/493). In the 256 patients without prior enzyme replacement therapy whose IgG antibody data were available, 17 were IgG antibody positive (6.6%). However, the chronological correlation between seroconversion and the incidence of infusion-related reactions was not clear. The mean brief pain inventory score of the worst pain decreased in patients with moderate and severe pain at baseline. Plasma Gb3 and urine sediment Gb3 in males with classical Fabry disease without prior enzyme replacement therapy significantly decreased. The mean yearly changes in eGFR (mL/min/1.73 m2) ranged from -2.88 to +1.00 in males with classical Fabry disease, from -2.04 to -0.95 in males with non-typical variant and from -2.64 to -1.02 in females. The lower eGFR or the more proteinuria at baseline, the faster the decrease in eGFR of the patients was observed. There was no substantial difference in cardiac parameters (left ventricular mass index, E/A wave ratio, ejection fraction, and QRS duration). In conclusion, agalsidase alfa, 0.2 mg/kg every other week, was well tolerated and controlled the progression of symptoms (especially renal and cardiac) of Fabry disease in adults. Enzyme replacement therapy should be started in Japanese patients before cardiac and/or renal symptoms of Fabry disease develop.
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Affiliation(s)
- Hiroaki Sasa
- Sumitomo Dainippon Pharma Co., Ltd., Osaka, Japan.
| | | | - Koichi Kino
- Sumitomo Dainippon Pharma Co., Ltd., Osaka, Japan
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48
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Welford RWD, Mühlemann A, Garzotti M, Rickert V, Groenen PMA, Morand O, Üçeyler N, Probst MR. Glucosylceramide synthase inhibition with lucerastat lowers globotriaosylceramide and lysosome staining in cultured fibroblasts from Fabry patients with different mutation types. Hum Mol Genet 2019; 27:3392-3403. [PMID: 29982630 PMCID: PMC6140777 DOI: 10.1093/hmg/ddy248] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 06/29/2018] [Indexed: 12/31/2022] Open
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by mutations in the GLA gene coding for α-galactosidase A (α-GalA). The deleterious mutations lead to accumulation of α-GalA substrates, including globotriaosylceramide (Gb3) and globotriaosylsphingosine. Progressive glycolipid storage results in cellular dysfunction, leading to organ damage and clinical disease, i.e. neuropathic pain, impaired renal function and cardiomyopathy. Many Fabry patients are treated by bi-weekly intravenous infusions of replacement enzyme. While the only available oral therapy is an α-GalA chaperone, which is indicated for a limited number of patients with specific 'amenable' mutations. Lucerastat is an orally bioavailable inhibitor of glucosylceramide synthase (GCS) that is in late stage clinical development for Fabry disease. Here we investigated the ability of lucerastat to lower Gb3, globotriaosylsphingosine and lysosomal staining in cultured fibroblasts from 15 different Fabry patients. Patients' cells included 13 different pathogenic variants, with 13 cell lines harboring GLA mutations associated with the classic disease phenotype. Lucerastat dose dependently reduced Gb3 in all cell lines. For 13 cell lines the Gb3 data could be fit to an IC50 curve, giving a median IC50 [interquartile range (IQR)] = 11 μM (8.2-18); the median percent reduction (IQR) in Gb3 was 77% (70-83). Lucerastat treatment also dose dependently reduced LysoTracker Red staining of acidic compartments. Lucerastat's effects in the cell lines were compared to those with current treatments-agalsidase alfa and migalastat. Consequently, the GCS inhibitor lucerastat provides a viable mechanism to reduce Gb3 accumulation and lysosome volume, suitable for all Fabry patients regardless of genotype.
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Affiliation(s)
- R W D Welford
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
| | - A Mühlemann
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
| | - M Garzotti
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
| | - V Rickert
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - P M A Groenen
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
| | - O Morand
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
| | - N Üçeyler
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - M R Probst
- Idorsia Pharmaceuticals, Hegenheimermattweg, Allschwil, Switzerland
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49
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DeRosa F, Smith L, Shen Y, Huang Y, Pan J, Xie H, Yahalom B, Heartlein MW. Improved Efficacy in a Fabry Disease Model Using a Systemic mRNA Liver Depot System as Compared to Enzyme Replacement Therapy. Mol Ther 2019; 27:878-889. [PMID: 30879951 PMCID: PMC6453518 DOI: 10.1016/j.ymthe.2019.03.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/01/2019] [Accepted: 03/01/2019] [Indexed: 12/30/2022] Open
Abstract
Fabry disease is a lysosomal storage disorder caused by the deficiency of α-galactosidase A. Enzyme deficiency results in a progressive decline in renal and cardiac function, leading to cardiomyopathy and end-stage renal disease. Current treatments available, including enzyme replacement therapies, have provided significant benefit to patients; however, unmet medical needs remain. mRNA therapy, with drug-like properties, has the unique ability to produce therapeutic proteins endogenously. Here we describe the sustained delivery of therapeutic human α-galactosidase protein in vivo via nanoparticle-formulated mRNA in mouse and non-human primate, with a demonstration of efficacy through clinically relevant biomarker reduction in a mouse Fabry disease model. Multi-component nanoparticles formulated with lipids and lipid-like materials were developed for the delivery of mRNA encoding human α-galactosidase protein. Upon delivery of human GLA mRNA to mice, serum GLA protein levels reached as high as ∼1,330-fold over normal physiological values.
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Affiliation(s)
| | | | | | - Yan Huang
- Shire Pharmaceuticals, Lexington, MA 02141, USA
| | - Jing Pan
- Shire Pharmaceuticals, Lexington, MA 02141, USA
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50
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Germain DP, Elliott PM, Falissard B, Fomin VV, Hilz MJ, Jovanovic A, Kantola I, Linhart A, Mignani R, Namdar M, Nowak A, Oliveira JP, Pieroni M, Viana-Baptista M, Wanner C, Spada M. The effect of enzyme replacement therapy on clinical outcomes in male patients with Fabry disease: A systematic literature review by a European panel of experts. Mol Genet Metab Rep 2019; 19:100454. [PMID: 30775256 PMCID: PMC6365982 DOI: 10.1016/j.ymgmr.2019.100454] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 01/23/2019] [Indexed: 11/17/2022] Open
Abstract
Background Enzyme replacement therapy (ERT) with recombinant human α-galactosidase has been available for the treatment of Fabry disease since 2001 in Europe and 2003 in the USA. Treatment outcomes with ERT are dependent on baseline patient characteristics, and published data are derived from heterogeneous study populations. Methods We conducted a comprehensive systematic literature review of all original articles on ERT in the treatment of Fabry disease published up until January 2017. This article presents the findings in adult male patients. Results Clinical evidence for the efficacy of ERT in adult male patients was available from 166 publications including 36 clinical trial publications. ERT significantly decreases globotriaosylceramide levels in plasma, urine, and in different kidney, heart, and skin cell types, slows the decline in estimated glomerular filtration rate, and reduces/stabilizes left ventricular mass and cardiac wall thickness. ERT also improves nervous system, gastrointestinal, pain, and quality of life outcomes. Conclusions ERT is a disease-specific treatment for patients with Fabry disease that may provide clinical benefits on several outcomes and organ systems. Better outcomes may be observed when treatment is started at an early age prior to the development of organ damage such as chronic kidney disease or cardiac fibrosis. Consolidated evidence suggests a dose effect. Data described in male patients, together with female and paediatric data, informs clinical practice and therapeutic goals for individualized treatment.
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Key Words
- ACEi, angiotensin-converting enzyme inhibitor
- ANS, autonomic nervous system
- ARB, angiotensin receptor blocker
- BPI, Brief Pain Inventory
- CES-D, Center for Epidemiologic Studies Depression Scale
- CNS, central nervous system
- CR, case report
- CT, clinical trial
- ECG, electrocardiogram/electrocardiography
- EOW, every other week
- ERT, enzyme replacement therapy
- Fabry disease
- GFR, glomerular filtration rate
- GI, gastrointestinal
- GL-3, globotriaosylceramide
- IENFD, intra-epidermal nerve fibre density
- IVST, intraventricular septum thickness
- LPWT, left posterior wall thickness
- LVEDD, left ventricular end-diastolic diameter
- LVEF, left ventricular ejection fraction
- LVH, left ventricular hypertrophy
- LVM, left ventricular mass
- LVMi, left ventricular mass index
- LVWT, left ventricular wall thickness
- MG, mixed gender
- MRI, magnetic resonance imaging
- MWT, maximal wall thickness
- NYHA, New York Heart Association
- OS, observational study
- PNS, peripheral nervous system
- QoL, quality of life
- RCT, randomized controlled trial
- SF-36, 36-item Short Form Health Survey
- TIA, transient ischaemic attack
- WMH, white matter hyperintensities.
- adult male patients
- agalsidase alfa
- agalsidase beta
- eGFR, estimated glomerular filtration rate
- enzyme replacement therapy
- lyso-GL-3, globotriaosylsphingosine
- systematic literature review
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Affiliation(s)
- Dominique P. Germain
- French Referral Center for Fabry disease, Division of Medical Genetics and INSERM U1179, University of Versailles, Paris-Saclay University, Montigny, France
- Corresponding author.
| | - Perry M. Elliott
- University College London and Barts Heart Centre, London, United Kingdom
| | - Bruno Falissard
- INSERM U1018, University of Paris-Sud, University of Paris-Descartes, Paris, France
| | - Victor V. Fomin
- Department of Internal Diseases No.1, I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Max J. Hilz
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ana Jovanovic
- Mark Holland Metabolic Unit, Salford Royal NHS Foundation Trust, Salford, United Kingdom
| | - Ilkka Kantola
- Division of Medicine, Turku University Hospital, University of Turku, Turku, Finland
| | - Aleš Linhart
- Second Department of Medicine – Department of Cardiovascular Medicine, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Renzo Mignani
- Department of Nephrology, Infermi Hospital, Rimini, Italy
| | - Mehdi Namdar
- Service de Cardiologie, Hôpitaux Universitaires de Genève, Geneva, Switzerland
| | - Albina Nowak
- Department of Internal Medicine, University Hospital of Zurich and University of Zurich, Zurich, Switzerland
| | - João-Paulo Oliveira
- Department of Genetics, São João Hospital Centre and Faculty of Medicine and “Instituto de Investigação e Inovação em Saúde (iS3)”, University of Porto, Porto, Portugal
| | | | - Miguel Viana-Baptista
- Serviço de Neurologia, Hospital Egas Moniz, Centro Hospitalar de Lisboa Ocidental; CEDOC Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Christoph Wanner
- Division of Nephrology, University Clinic, University of Würzburg, Würzburg, Germany
| | - Marco Spada
- Department of Paediatrics, University of Torino, Torino, Italy
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