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Nowak A, Botha J, Anagnostopoulou C, Hughes DA. Clinical outcomes in elderly patients receiving agalsidase alfa treatment in the Fabry Outcome Survey. Mol Genet Metab 2024; 143:108561. [PMID: 39159540 DOI: 10.1016/j.ymgme.2024.108561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 07/31/2024] [Accepted: 07/31/2024] [Indexed: 08/21/2024]
Abstract
BACKGROUND AND OBJECTIVES Treatment with agalsidase alfa in patients with Fabry disease is most effective when initiated early in the disease course; however, the clinical benefits in elderly patients are less well established. This analysis assesses outcomes in patients aged 65 years or older from the Fabry Outcome Survey (FOS) who were treated with agalsidase alfa. METHODS FOS data were extracted for adult patients aged 65 years or older who received agalsidase alfa, had baseline data and at least 3 years of post-baseline data, and had undergone no renal transplantation and/or dialysis before treatment. The data of patients who had undergone renal transplantation and/or dialysis during follow-up were excluded from estimated glomerular filtration rate (eGFR) analysis after the date of the renal transplantation and/or dialysis. Adult patients were stratified into two groups: those who started treatment before 65 years of age and who were still being treated when aged 65 years or older (group A), and those who started treatment when aged 65 years or older (group B). Mean annual changes in left ventricular mass index (LVMI), eGFR and proteinuria were assessed in group A (before and after the age of 65 years to understand if there was an age-related effect once patients turned 65 years of age) and in group B. RESULTS Estimated mean (standard error [SE]) annual changes in LVMI were 0.46 (0.26) g/m2.7 and 0.21 (0.42) g/m2.7 in patients in group A when they were younger than 65 years and when they were aged 65 years or older, respectively, and 0.12 (0.65) g/m2.7 in patients in group B. For eGFR, mean (SE) annual changes were 0.83 (2.12) mL/min/1.73 m2 and 2.64 (2.18) mL/min/1.73 m2 in patients in group A when they were younger than 65 years and when they were aged 65 years or older, respectively, and 2.31 (1.44) mL/min/1.73 m2 in patients in group B. Proteinuria remained relatively stable in both subgroups of group A (before and after the age of 65 years) and group B. CONCLUSIONS Continuation and initiation of agalsidase alfa treatment in patients aged 65 years or older with Fabry disease were associated with stabilization of proteinuria and minimal increases in cardiac (LVMI) and renal (eGFR) outcomes.
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Affiliation(s)
- Albina Nowak
- Department of Endocrinology and Clinical Nutrition, University Hospital Zurich, Zurich, Switzerland; Department of Internal Medicine, Psychiatric Hospital of the University of Zurich, Zurich, Switzerland.
| | - Jaco Botha
- Takeda Pharmaceuticals International AG, Zurich, Switzerland
| | | | - Derralynn A Hughes
- Lysosomal Storage Disorders Unit, Royal Free London NHS Foundation Trust, University College London, London, UK
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Yusei O, Nagasu H, Nakagawa N, Terawaki S, Moriwaki T, Itano S, Kishi S, Sasaki T, Kashihara N, Otomo T. A case series of Fabry diseases with CKD in Japan. Clin Exp Nephrol 2024; 28:404-408. [PMID: 38193991 PMCID: PMC11033225 DOI: 10.1007/s10157-023-02439-6] [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: 09/19/2023] [Accepted: 11/16/2023] [Indexed: 01/10/2024]
Abstract
BACKGROUND It is well known that kidney injury is vital organ damage in Fabry disease (FD). Renin-angiotensin system (RAS) inhibitors are known to reduce proteinuria in patients with chronic kidney disease (CKD) by dilating the glomerular export arteries and reducing intraglomerular pressure. This improvement in intraglomerular pressure, although lowering the glomerular filtration rate, is thought to prevent renal damage and be renoprotective in the long term. RAS inhibitors may be effective in FD patients with proteinuria to prevent the progression of kidney disease, however, the degree to which they are used in clinical practice is unknown. METHODS The J-CKD-DB-Ex is a comprehensive multicenter database that automatically extracts medical data on CKD patients. J-CKD-DB-Ex contains data on 187,398 patients in five medical centers. FD patients were identified by ICD-10. Clinical data and prescriptions of FD patients between January 1 of 2014, and December 31 of 2020 were used for the analysis. RESULTS We identified 39 patients with FD from the J-CKD-DB-Ex including those with suspected FD. We confirmed 22 patients as FD. Half of the patients received RAS inhibitors. RAS inhibitors tended to be used in CKD patients with more severe renal impairment. CONCLUSIONS This case series revealed the actual clinical practice of FD patients with CKD. In particular, we found cases in which patients had proteinuria, but were not treated with RAS inhibitors. The database was shown to be useful in assessing the clinical patterns of patients with rare diseases.
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Affiliation(s)
- Oi Yusei
- Department of Health Informatics, Faculty of Health and Welfare Services Administration, Kawasaki University of Medical Welfare, Kurashiki, Okayama, Japan
| | - Hajime Nagasu
- Department of Nephrology and Hypertension, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan.
| | - Naoki Nakagawa
- Division of Cardiology, Nephrology, Respiratory and Neurology, Department of Internal Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Seigo Terawaki
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Takahito Moriwaki
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Seiji Itano
- Department of Nephrology and Hypertension, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Seiji Kishi
- Department of Nephrology and Hypertension, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Tamaki Sasaki
- Department of Nephrology and Hypertension, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Naoki Kashihara
- Department of Nephrology and Hypertension, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Takanobu Otomo
- Department of Molecular and Genetic Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan.
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Yu B, Atta MG, Brennan DC, Kant S. Outcomes and management of kidney transplant recipients with Fabry disease: a review. J Nephrol 2024; 37:561-571. [PMID: 38227277 DOI: 10.1007/s40620-023-01853-z] [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: 08/31/2023] [Accepted: 11/27/2023] [Indexed: 01/17/2024]
Abstract
Fabry disease is an X-linked inheritable lysosomal storage disease caused by various mutations of the galactosidase α gene resulting in α-galactosidase deficiency. Chronic kidney disease (CKD) is one of the most significant consequences of Fabry disease, with risk of end-stage kidney disease (ESKD) in this population. Like for other patients with ESKD, kidney transplant is the optimal treatment for Fabry disease patients with ESKD. However, enzyme replacement therapy and newer Fabry disease treatments remain important to mitigate other end organ damage such as cardiomyopathy post transplantation. This review is a primer on Fabry disease, which examines the outcomes of disease in the context of kidney transplant prior to, and during, the enzyme replacement treatment era, medical treatment of kidney transplant recipients with Fabry disease, and progress in screening studies.
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Affiliation(s)
- Bo Yu
- Department of Medicine, University of Maryland Medical Center, Midtown Campus, Baltimore, MD, USA
| | - Mohamed G Atta
- Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Daniel C Brennan
- Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Comprehensive Transplant Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sam Kant
- Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Comprehensive Transplant Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Avarappattu J, Gaspert A, Spartà G, Rohrbach M. Impact of kidney biopsy on deciding when to initiate enzyme replacement therapy in children with Fabry disease. Pediatr Nephrol 2024; 39:131-140. [PMID: 37470867 PMCID: PMC10673963 DOI: 10.1007/s00467-023-06050-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 05/19/2023] [Accepted: 06/04/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Recommendations on when to start enzyme replacement therapy (ERT) in children with Fabry disease (FD) differ between guidelines. In this study, kidney biopsies of a cohort of 14 untreated children and one treated child were analyzed for their morphologic changes to determine whether early initiation of ERT is indicated. METHODS All pediatric FD patients (< 18 years old) diagnosed between 2003 and 2021 in our department who received a kidney biopsy were enrolled. Clinical symptoms; laboratory parameters regarding kidney function, such as eGFR, plasma urea, protein-creatinine, and albumin/creatinine ratio; and 14 kidney biopsies prior to ERT and one under treatment were retrospectively analyzed. RESULTS A total of 14 patients were enrolled, including 9 male and 5 female children, aged 3-18 years (median age 11). Seven of the enrolled children were 10 years old or younger. Histological analysis of kidney biopsy samples revealed severe vacuolization and accumulation of inclusions in podocytes and renal tubules. The majority of cases had no FD-specific clinical or laboratory features independent of age, gender, or genotype. The youngest FD patient presenting with isolated abnormal kidney biopsy was 3 years old. CONCLUSIONS We demonstrate that histological lesions, typical for FD, can be observed in kidney biopsies at a very young age in patients without classical clinical symptoms or laboratory abnormalities. Thus, we recommend kidney biopsies as a possible tool for early diagnosis of renal involvement in FD. As a consequence of these early biopsy findings without a clinical correlate, an early initiation of ERT should be considered. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Jenny Avarappattu
- Department of Metabolic Medicine and Department of Nephrology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Ariana Gaspert
- Department of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland
| | - Giuseppina Spartà
- Department of Metabolic Medicine and Department of Nephrology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Marianne Rohrbach
- Department of Metabolic Medicine and Department of Nephrology, University Children's Hospital Zurich, Zurich, Switzerland.
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Cho E, Park JT, Yoo TH, Kim SW, Park CW, Han SS, Kim YH, Kwon YJ. Frequency of Fabry disease in chronic kidney disease patients including patients on renal replacement therapy in Korea. Kidney Res Clin Pract 2024; 43:71-81. [PMID: 38213034 PMCID: PMC10846989 DOI: 10.23876/j.krcp.22.087] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/03/2022] [Accepted: 08/14/2022] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Fabry disease (FD) is an X-linked lysosomal storage disorder caused by the deficient activity of α-galactosidase (α-Gal A), affecting multiple organs including kidney. In this study, we aimed to determine the prevalence of FD in patients with chronic kidney disease (CKD) including those on renal replacement therapy in Korea. METHODS This is a national, multicenter, observational study performed between August 24, 2017 and February 28, 2020. Patients with the presence of proteinuria or treated on dialysis were screened by measuring the α-Gal A enzyme activity using either dried blood spot or whole blood, and plasma globotriaosylsphingosine (lyso-GL3) concentration. A GLA gene analysis was performed in patients with low α-Gal A enzyme activity or increased plasma lyso-GL3 concentration. RESULTS Of 897 screened patients, 405 (45.2%) were male and 279 (31.1%) were on dialysis. The α-Gal A enzyme activity was measured in 891 patients (99.3%), and plasma lyso-GL3 concentration was measured in all patients. Ten patients were eligible for a GLA gene analysis: eight with low α-Gal A enzyme activity and two with increased plasma lyso-GL3 concentration. The GLA mutations were analyzed in nine patients and one patient was found with a pathogenic mutation. Therefore, one patient was identified with FD, giving a prevalence of 0.1% (1 of 897) in this CKD population. CONCLUSION Although the prevalence of FD in the CKD population was low (0.1%), screening tests are crucial to detect potential diseases in patients with relatives who can benefit from early treatment.
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Affiliation(s)
- Eunjung Cho
- Division of Nephrology, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Jung Tak Park
- Division of Nephrology, Department of Internal Medicine, Institute of Kidney Disease, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Tae-Hyun Yoo
- Division of Nephrology, Department of Internal Medicine, Institute of Kidney Disease, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Soo Wan Kim
- Division of Nephrology, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Cheol Whee Park
- Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary’s Hospital, Seoul, Republic of Korea
| | - Seung Seok Han
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yeong Hoon Kim
- Division of Nephrology, Department of Internal Medicine, Inje University Busan Paik Hospital, Busan, Republic of Korea
| | - Young Joo Kwon
- Division of Nephrology, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
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Esposito P, Caputo C, Repetto M, Somaschini A, Pietro B, Colomba P, Zizzo C, Parodi A, Zanetti V, Canepa M, Eustachi V, Sanguineri F, Mandich P, Viazzi F. Diagnosing Fabry nephropathy: the challenge of multiple kidney disease. BMC Nephrol 2023; 24:344. [PMID: 37990184 PMCID: PMC10664682 DOI: 10.1186/s12882-023-03388-8] [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: 09/27/2023] [Accepted: 11/03/2023] [Indexed: 11/23/2023] Open
Abstract
Fabry disease (FD) is an X-linked inherited lysosomal disorder due to a deficiency of the enzyme alpha-galactosidase A (α-gla) due to mutations in the GLA gene. These mutations result in plasma and lysosome accumulation of glycosphingolipids, leading to progressive organ damage and reduced life expectancy. Due to the availability of specific disease-modifying treatments, proper and timely diagnosis and therapy are essential to prevent irreversible complications. However, diagnosis of FD is often delayed because of the wide clinical heterogeneity of the disease and multiple organ involvement developing in variable temporal sequences. This observation is also valid for renal involvement, which may manifest with non-specific signs, such as proteinuria and chronic kidney disease, which are also common in many other nephropathies. Moreover, an additional confounding factor is the possibility of the coexistence of FD with other kidney disorders. Thus, suspecting and diagnosing FD nephropathy in patients with signs of kidney disease may be challenging for the clinical nephrologist. Herein, also through the presentation of a unique case of co-occurrence of autosomal dominant polycystic kidney disease and FD, we review the available literature on cases of coexistence of FD and other renal diseases and discuss the implications of these conditions. Moreover, we highlight the clinical, laboratory, and histological elements that may suggest clinical suspicion and address a proper diagnosis of Fabry nephropathy.
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Affiliation(s)
- Pasquale Esposito
- Department of Internal Medicine, University of Genoa, Genoa, Italy.
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
| | - Carmela Caputo
- Unit of Nephrology and Dialysis, Ospedale San Paolo, Savona, Italy
| | - Monica Repetto
- Unit of Nephrology and Dialysis, Ospedale San Paolo, Savona, Italy
| | - Alberto Somaschini
- Division of Cardiology and Cardiac Intensive Care Unit, Ospedale San Paolo, Savona, Italy
| | - Bellone Pietro
- Division of Cardiology and Cardiac Intensive Care Unit, Ospedale San Paolo, Savona, Italy
| | - Paolo Colomba
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), Palermo, Italy
| | - Carmela Zizzo
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), Palermo, Italy
| | - Angelica Parodi
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Valentina Zanetti
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Marco Canepa
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Virginia Eustachi
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Francesca Sanguineri
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and Maternal and Infantile Sciences, University of Genoa, Genoa, Italy
| | - Paola Mandich
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and Maternal and Infantile Sciences, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Francesca Viazzi
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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Choi SJ, Kim SH, Lee MS, Park S, Cho E, Han SS, Koh ES, Chung BH, Jeong KH, Bae EH, Lee EY, Kwon YJ. A questionnaire survey on the diagnosis and treatment of Fabry nephropathy in clinical practice. Kidney Res Clin Pract 2023; 42:628-638. [PMID: 37448283 PMCID: PMC10565450 DOI: 10.23876/j.krcp.22.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/27/2023] [Accepted: 02/06/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Fabry nephropathy is characterized by a deficiency of lysosomal alpha-galactosidase A, which results in proteinuria and kidney disease. The ineffectiveness of enzyme replacement therapy (ERT) for severe kidney failure highlights the need for early detection and meaningful markers. However, because the diagnosis and treatment of Fabry disease can vary according to the expertise of physicians, we evaluated the opinions of Korean specialists. METHODS A questionnaire regarding the management of Fabry nephropathy was emailed to healthcare providers with the experience or ability to treat individuals with Fabry nephropathy. RESULTS Of the 70 experts who responded to the survey, 43 were nephrologists, and 64.3% of the respondents reported having treated patients with Fabry disease. Pediatricians are treating primarily patients with classic types of the disease, while nephrologists and cardiologists are treating more patients with variant types. Only 40.7% of non-nephrologists agreed that a kidney biopsy was required at the time of diagnosis, compared with 81.4% of nephrologists. Thirty-eight of 70 respondents (54.3%) reported measuring globotriaosylsphingosine (lyso-Gb3) as a biomarker. The most common period to measure lyso-Gb3 was at the time of diagnosis, followed by after ERT, before ERT, and at screening. For the stage at which ERT should begin, microalbuminuria and proteinuria were chosen by 51.8% and 28.6% of respondents, respectively. CONCLUSION Nephrologists are more likely to treat variant Fabry disease rather than classic cases, and they agree that ERT should be initiated early in Fabry nephropathy, using lyso-Gb3 as a biomarker.
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Affiliation(s)
- Soo Jeong Choi
- Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Republic of Korea
| | - Su Hyun Kim
- Department of Internal Medicine, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Republic of Korea
| | - Min Sung Lee
- Department of Internal Medicine, Ewha Womans University Medical Center, Seoul, Republic of Korea
| | - Samel Park
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Eunjung Cho
- Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Seung Seok Han
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Kore
| | - Eun Sil Koh
- Department of Internal Medicine, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Byung Ha Chung
- Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kyung Hwan Jeong
- Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Eun Hui Bae
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Eun Young Lee
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Young Joo Kwon
- Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
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Shimohata H, Yamashita M, Yamada K, Hirayama K, Kobayashi M. Treatment of Fabry Nephropathy: A Literature Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1478. [PMID: 37629768 PMCID: PMC10456687 DOI: 10.3390/medicina59081478] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/01/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023]
Abstract
Fabry disease is an X-linked inherited lysosomal storage disorder with a deficiency of α-galactosidase A activity, which results in the intracellular accumulation of globotriaosylceramide (Gb3) and related glycosphingolipids in various organs. Fabry nephropathy is one of the major complications of Fabry disease, and kidney damage is often related to cardiovascular disease and mortality. The treatment of Fabry nephropathy thus helps prolong life expectancy. Two treatment options for Fabry nephropathy and cardiopathy are now commercially available: enzyme replacement therapy (agalsidase α agalsidase β, and a biosimilar of agalsidase β) and pharmacological chaperone therapy (migalastat). In this review, we summarize the efficacy of these treatment options for Fabry nephropathy with respect to renal function, proteinuria, and renal pathological findings. We also describe the importance of adjunctive therapy for Fabry nephropathy.
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Affiliation(s)
- Homare Shimohata
- Department of Nephrology, Tokyo Medical University Ibaraki Medical Center, Ami 300-0395, Ibaraki, Japan (K.H.)
- Tsuchiura Beryl Clinic, Tsuchiura 300-0062, Ibaraki, Japan
| | - Marina Yamashita
- Department of Nephrology, Tokyo Medical University Ibaraki Medical Center, Ami 300-0395, Ibaraki, Japan (K.H.)
| | - Kota Yamada
- Tsuchiura Beryl Clinic, Tsuchiura 300-0062, Ibaraki, Japan
| | - Kouichi Hirayama
- Department of Nephrology, Tokyo Medical University Ibaraki Medical Center, Ami 300-0395, Ibaraki, Japan (K.H.)
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Lu Z, Huang G, Yu L, Wang Y, Gao L, Lin L, Hu L, Mao J. Low skeletal muscle mass as an early sign in children with fabry disease. Orphanet J Rare Dis 2023; 18:199. [PMID: 37480128 PMCID: PMC10362620 DOI: 10.1186/s13023-023-02806-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/06/2023] [Indexed: 07/23/2023] Open
Abstract
BACKGROUND & AIMS Fabry disease (FD) is a rare X-linked metabolic storage disorder due to the deficiency of lysosomal α-galactosidase A which causes the accumulation of glycosphingolipids throughout the body. Underweight and low BMI have been occasionally reported in FD patients previously. Whether underweight is common in the early stage of FD and body composition analysis to determine the cause have not been reported. METHODS Children who were diagnosed with FD in the Children's Hospital of Zhejiang University School of Medicine from July 2014 to December 2022 were enrolled. Clinical data were obtained from medical records. Whole body dual energy X-ray absorptiometry scans (DXA) were used to assess body composition (fat mass, FM; fat free mass, FFM and bone mass) according to the International Society of Clinical Densitometry's standard operating method. Whole body muscle mass was calculated as fat-free mass minus bone mass. Appendicular skeletal muscle mass (ASM) was calculated as the sum of the arm and the leg muscle mass. The FM, FFM, ULSM and LLSM indices were calculated by dividing the total FM, FFM, and upper and lower limb skeletal muscle mass (ULSM and LLSM) by the height squared. RESULTS A total of eighteen children (14 boys and 4 girls) were enrolled. Thirteen boys had the classical phenotype, and five children (1 boy with the N215S mutation and 4 girls) had the late-onset phenotype. Seven children with the classical phenotype (53.8%) and two of the five children (40%) with the late-onset phenotype had abnormal BMIs. Sixteen of the eighteen children (88.9%) had a height in the normal range, suggesting that low BMI was mainly due to underweight. By DXA body composition analysis, the FMI was abnormal in 3 children (2 boys and 1 girl), and the FFMI was abnormal in 12 children (9 boys and 3 girls). For the classical phenotype, 2 of the 13 children (15.4%) had abnormal FMI values, while 10 (76.9%) had abnormal FFMI values. Eight patients (61.5%) with the classical phenotype had a significant reduction in muscle mass index, ASM index and LLSM index values compared with age- and sex- matched Chinese controls. Late-onset patients also had mild low skeletal muscle mass compared to controls. The results suggested that low skeletal muscle mass is common in early FD. CONCLUSIONS This is the first study to examine body composition and muscle mass in early Fabry disease patients. Low skeletal muscle mass is a common early symptom in children with Fabry disease, suggesting that skeletal muscle is significantly affected in the early stages of FD.
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Affiliation(s)
- Zhihong Lu
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Guoping Huang
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Ling Yu
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Yan Wang
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Langping Gao
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Li Lin
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Lidan Hu
- Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China
| | - Jianhua Mao
- Department of Nephrology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, Hangzhou, China.
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Besekar SM, Jogdand SD, Naqvi WM. Fabry Disease and Its Management: A Literature Analysis. Cureus 2023; 15:e37048. [PMID: 37153259 PMCID: PMC10154914 DOI: 10.7759/cureus.37048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 04/02/2023] [Indexed: 04/05/2023] Open
Abstract
A review was conducted to evaluate interventional therapy for Fabry disease. Fabry disease is a multisystemic X-linked storage disorder that affects the entire body and needs to be treated at an early age. The search was conducted using keywords such as "Fabry disease" and "Management" to review the databases. Seven studies were chosen from the 90 studies, and it was discovered that migalastat and enzyme replacement medication were successful in treating the condition, whereas agalsidase beta failed to have a positive effect on the patient. However, this analysis produced ambiguous conclusions. As only a small number of studies were included in the analysis, additional investigations and evaluations based on randomized controlled trials and case studies are required to determine potential drug-related outcomes. There is a need for future therapeutic research to cure genetically affected illnesses and diseases such as Fabry disease.
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Imasawa T, Murayama K, Sawada T, Hirose M, Takayanagi M, Nakamura K. High-risk screening for Fabry disease in hemodialysis patients in Chiba Prefecture, Japan. Clin Exp Nephrol 2023; 27:288-294. [PMID: 36574104 DOI: 10.1007/s10157-022-02295-w] [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: 08/11/2022] [Accepted: 10/30/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND High-risk screening for Fabry disease in dialysis patients is an effective means for reducing the number of undiagnosed cases. However, such screening has not been conducted in Chiba Prefecture, Japan. Herein, we aimed to estimate the prevalence of Fabry disease among patients undergoing hemodialysis in Chiba Prefecture by high-risk screening using α-galactosidase A (αGal A) activity measurement, and examine the hemodialysis effect on αGal A activity. METHODS Patients who underwent maintenance hemodialysis at 25 facilities in Chiba Prefecture were recruited. The αGal A activity was measured using the dried blood spot (DBS) test as the first screening. If the enzyme activity was lower than the cut-off, the second screening was performed with the same method before and after dialysis. RESULTS Overall, 2924 patients (2036 men and 888 women) were included from which 94 cases (45 men and 48 women) showed decreased αGAL activity in the first screening and 3 (two men and one women) in the second screening. Genetic testing was performed in 3 patients, and the c.1078G > A mutation in GLA gene was detected in one male patient (0.03%). There has been a statistically significant decrease in αGal A activity of DBS at post-dialysis compared to that at pre-dialysis (20.5 ± 10.4 pmol/h/disk and 22.7 ± 11.5 pmol/h/disk, p < 0.0001). CONCLUSION The prevalence of Fabry disease among patients undergoing hemodialysis in Chiba Prefecture was estimated as 0.03%. This is the first time that dialysis has been shown to affect the αGal A activity.
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Affiliation(s)
- Toshiyuki Imasawa
- Department of Nephrology, National Hospital Organization Chiba-Higashi National Hospital, 673 Nitona-cho, Chuoh-ku, Chiba, Chiba, 206-8712, Japan.
| | - Kei Murayama
- Center for Medical Genetics, Department of Metabolism, Chiba Children's Hospital, 579-1, Heta-cho, Midori-ku, Chiba, 266-0007, Japan
| | - Takaaki Sawada
- Department of Pediatrics, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, , 860-8556, Japan
| | - Masanori Hirose
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
| | - Masaki Takayanagi
- Center for Medical Genetics, Department of Metabolism, Chiba Children's Hospital, 579-1, Heta-cho, Midori-ku, Chiba, 266-0007, Japan
| | - Kimitoshi Nakamura
- Department of Pediatrics, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, , 860-8556, Japan
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12
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Ezgu F, Alpsoy E, Bicik Bahcebasi Z, Kasapcopur O, Palamar M, Onay H, Ozdemir BH, Topcuoglu MA, Tufekcioglu O. Expert opinion on the recognition, diagnosis and management of children and adults with Fabry disease: a multidisciplinary Turkey perspective. Orphanet J Rare Dis 2022; 17:90. [PMID: 35236382 PMCID: PMC8889663 DOI: 10.1186/s13023-022-02215-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 02/06/2022] [Indexed: 11/10/2022] Open
Abstract
This consensus statement by a panel of Fabry experts aimed to identify areas of consensus on conceptual, clinical and therapeutic aspects of Fabry disease (FD) and to provide guidance to healthcare providers on best practice in the management of pediatric and adult patients with FD. This consensus statement indicated the clinical heterogeneity of FD as well as a large number of pathogenic variants in the GLA gene, emphasizing a need for an individualized approach to patient care. The experts reached consensus on the critical role of a high index of suspicion in symptomatic patients and screening of certain at-risk groups to reveal timely and accurate diagnosis of FD along with an increased awareness of the treating physician about the different kinds of pathogenic variants and their clinical implications. The experts emphasized the crucial role of timely recognition of FD with minimal delay from symptom onset to definite diagnosis in better management of FD patients, given the likelihood of changing the disease's natural history, improving the patients' quality of life and the prognosis after enzyme replacement therapy (ERT) administered through a coordinated, multidisciplinary care approach. In this regard, this consensus document is expected to increase awareness among physicians about unique characteristics of FD to assist clinicians in recognizing FD with a well-established clinical suspicion consistent with pathogenic variants and gender-based heterogeneous clinical manifestations of FD and in translating this information into their clinical practice for best practice in the management of patients with FD.
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Affiliation(s)
- Fatih Ezgu
- Department of Pediatrics, Division of Pediatric Metabolism and Division of Pediatric Genetics, Gazi University Faculty of Medicine, 06560, Ankara, Turkey.
| | - Erkan Alpsoy
- Department of Dermatology, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Zerrin Bicik Bahcebasi
- Clinic of Nephrology, Kartal Dr. Lutfu Kirdar Training and Research Hospital, Istanbul, Turkey
| | - Ozgur Kasapcopur
- Department of Pediatrics, Division of Pediatric Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey
| | - Melis Palamar
- Department of Ophthalmology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Huseyin Onay
- Department of Medical Genetics, Ege University Faculty of Medicine, Izmir, Turkey
| | | | | | - Omac Tufekcioglu
- University of Health Sciences Department of Cardiology, Ankara City Hospital, Ankara, Turkey
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13
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Paim-Marques L, de Oliveira RJ, Appenzeller S. Multidisciplinary Management of Fabry Disease: Current Perspectives. J Multidiscip Healthc 2022; 15:485-495. [PMID: 35300178 PMCID: PMC8922235 DOI: 10.2147/jmdh.s290580] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 02/03/2022] [Indexed: 11/23/2022] Open
Abstract
Fabry disease (FD) is a rare, recessive X-linked, multisystemic lysosomal storage disorder (LSD) that results from a deficiency in the hydrolase alpha-galactosidase A (α-GalA) caused by a GLA gene variant. The progressive accumulation of the glycosphingolipid globotriaosylceramide (Gb3) in organs such as skin, kidney, brain, joints, vascular walls and eyes are responsible for the wide spectrum of clinical manifestations, often unspecific. In result, clinically relevant and life-threatening complications, such as malignant ventricular arrhythmia, sudden cardiac death, end stage kidney failure and stroke may occur. In this review, we will describe the clinical features and the current perspectives in the multidisciplinary management Of FD patients.
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Affiliation(s)
| | - Rodrigo Joel de Oliveira
- Department of Orthopedics, Rheumatology and Traumatology- School of Medical Sciences and University of Campinas (UNICAMP), São Paulo, Brazil
| | - Simone Appenzeller
- Department of Orthopedics, Rheumatology and Traumatology- School of Medical Sciences and University of Campinas (UNICAMP), São Paulo, Brazil
- Correspondence: Simone Appenzeller, Department of Medicine, School of Medical Science, State University of Campinas, Cidade Universitária, Campinas, CEP 13083-970, SP, Brazil, Fax +55 19 3289-1818, Email
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14
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Muntean C, Starcea IM, Stoica C, Banescu C. Clinical Characteristics, Renal Involvement, and Therapeutic Options of Pediatric Patients With Fabry Disease. Front Pediatr 2022; 10:908657. [PMID: 35722479 PMCID: PMC9198369 DOI: 10.3389/fped.2022.908657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/12/2022] [Indexed: 11/13/2022] Open
Abstract
Inherited renal diseases represent 20% of the causes of end-stage renal diseases. Fabry disease, an X-linked lysosomal storage disorder, results from α-galactosidase A deficient or absent activity followed by globotriaosylceramide (Gb3) accumulation and multiorgan involvement. In Fabry disease, kidney involvement starts early, during intrauterine life by the Gb3 deposition. Even if chronic kidney disease (CKD) is discovered later in adult life in Fabry disease patients, a decline in glomerular filtration rate (GFR) can occur during adolescence. The first clinical sign of kidney involvement is represented by albuminuria. So, early and close monitoring of kidneys function is required: albuminuria and proteinuria, urinary albumin-to-creatinine ratio, serum creatinine, or cystatin C to estimate GFR, while urinary sediment with phase-contrast microscopy under polarized light may be useful in those cases where leucocyte α-Gal A activity and GLA genotyping are not available. Children with Fabry disease and kidney involvement should receive enzyme replacement therapy and nephroprotective drugs (angiotensin-converting enzyme inhibitors or angiotensin receptor blockers) to prevent or slow the progressive loss of kidney functions. Early diagnosis of Fabry disease is important as enzyme replacement therapy reduces symptoms, improves clinical features and biochemical markers, and the quality of life. More importantly, early treatment could slow or stop progressive organ damage in later life.
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Affiliation(s)
- Carmen Muntean
- Department of Pediatrics I, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, Targu Mures, Romania
| | - Iuliana Magdalena Starcea
- Department of Pediatric Nephrology, Sf Maria Emergency Hospital for Children Iasi, University of Medicine and Pharmacy Grigore T. Popa Iasi, Iasi, Romania
| | - Cristina Stoica
- Pediatric Nephrology Department, Fundeni Clinical Institute, University of Medicine and Pharmacy Carol Davila Bucharest, Bucharest, Romania
| | - Claudia Banescu
- Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, Targu Mures, Romania
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15
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Kim IY, Lee HJ, Cheon CK. Fabry nephropathy before and after enzyme replacement therapy: important role of renal biopsy in patients with Fabry disease. Kidney Res Clin Pract 2021; 40:611-619. [PMID: 34922431 PMCID: PMC8685354 DOI: 10.23876/j.krcp.21.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/15/2021] [Indexed: 12/15/2022] Open
Abstract
Background In Fabry disease, the presence of globotriaosylceramide (GL3) deposits in various kidney cells leads to progressive renal dysfunction. However, kidney biopsy studies in patients with Fabry disease are limited. In the present study, the pathologic findings of patients with Fabry nephropathy receiving enzyme replacement therapy (ERT) and untreated patients without albuminuria were investigated. Methods The present study included 15 patients with Fabry disease who underwent renal biopsy while receiving ERT (group 1: n = 9, age 19–58 years, two males and seven females) or before ERT initiation (group 2: n = 6, age 11–66 years, one male and five females). All patients in group 2 were normoalbuminuric. Results Group 1 showed improved clinical symptoms, such as acroparesthesia. The ERT duration was 1.2 to 8 years and seven of the nine patients showed GL3 deposits in various kidney cells and segmental foot process effacement (FPE) of podocytes. GL3 deposits and FPE were not observed in the two remaining patients in group 1. Group 2 showed segmental FPE and podocyte GL3 deposits. Most patients in group 2 also showed GL3 deposits in the mesangium, endothelium, or tubular epithelium. Conclusion The study results showed that segmental FPE and GL3 deposits can persist in Fabry nephropathy despite ERT. In addition, segmental FPE and GL3 deposits were observed in various kidney cells in normoalbuminuric patients with Fabry disease. These findings indicated that kidney biopsies at baseline and follow-up evaluation of Fabry nephropathy are essential for timely ERT initiation and ERT response assessment.
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Affiliation(s)
- Il Young Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Hyun Jung Lee
- Department of Pathology, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Chong Kun Cheon
- Department of Pediatrics, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
- Correspondence: Chong Kun Cheon Division of Pediatric Genetics and Metabolism, Department of Pediatrics, Pusan National University Children’s Hospital, Geumo-ro 20, Yangsan 50612, Republic of Korea. E-mail:
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16
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Hughes D, Linhart A, Gurevich A, Kalampoki V, Jazukeviciene D, Feriozzi S. Prompt Agalsidase Alfa Therapy Initiation is Associated with Improved Renal and Cardiovascular Outcomes in a Fabry Outcome Survey Analysis. Drug Des Devel Ther 2021; 15:3561-3572. [PMID: 34429585 PMCID: PMC8379390 DOI: 10.2147/dddt.s313789] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 07/28/2021] [Indexed: 12/30/2022] Open
Abstract
Background The timing of enzyme replacement therapy initiation in patients with Fabry disease is hypothesized to be critical. In this study, we used Fabry Outcome Survey data to assess the impact of prompt versus delayed initiation of treatment with agalsidase alfa on cardiovascular and renal events in patients with Fabry disease. Methods Available genetic data at baseline were used to define patients with mutations associated with classical versus late-onset Fabry disease. Time to cardiovascular or renal events, from treatment initiation until 120 months, was compared for patients in prompt versus delayed groups. "Prompt" was defined as treatment initiation <24 months from symptom onset (analysis A) or diagnosis (analysis B), and "delayed" was defined as ≥24 months from symptom onset (analysis A) or diagnosis (analysis B). Kaplan-Meier curves and Log rank tests compared event-free probabilities and time to first event. Multivariate Cox regression estimated hazard ratios (HRs). Results Analysis by time from symptom onset included 1374 patients (172 prompt, 1202 delayed). In a multivariate Cox regression analysis, prompt versus delayed treatment initiation significantly reduced the probability of cardiovascular (HR=0.62; P<0.001) and renal (HR=0.57; P=0.001) events. History of cardiovascular or renal events was associated with increased risk of respective events. Analysis by time from diagnosis included 2051 patients (1006 prompt, 1045 delayed). In a multivariate Cox regression analysis, prompt treatment initiation significantly reduced the probability of cardiovascular events (HR=0.83; P=0.003) after adjusting for history of cardiovascular events, sex, and age at treatment initiation. Univariate analysis showed that the probability of renal events was significantly lower in the prompt group (P=0.018); this finding was attenuated in the multivariate Cox regression analysis. Conclusion This analysis suggests that prompt treatment initiation with agalsidase alfa provided better renal and cardiovascular outcomes than delayed treatment in patients with Fabry disease.
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Affiliation(s)
- Derralynn Hughes
- University College London and Royal Free London NHS Foundation Trust, London, UK
| | - Aleš Linhart
- Charles University, First Faculty of Medicine, Prague, Czech Republic
| | - Andrey Gurevich
- Takeda Pharmaceuticals International AG, Zurich, Switzerland
| | | | | | - Sandro Feriozzi
- Nephrology and Dialysis Unit, Belcolle Hospital, Department of Nephrology and Dialysis, Viterbo, Italy
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17
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Borie R, Crestani B, Guyard A, Lidove O. Interstitial lung disease in lysosomal storage disorders. Eur Respir Rev 2021; 30:30/160/200363. [PMID: 33927007 DOI: 10.1183/16000617.0363-2020] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/27/2020] [Indexed: 11/05/2022] Open
Abstract
Lysosomes are intracellular organelles that are responsible for degrading and recycling macromolecules. Lysosomal storage diseases (LSDs) are a group of inherited diseases caused by mutations affecting genes that encode the function of the lysosomal enzymes. Three LSDs are associated with lung involvement and/or interstitial lung disease (ILD): Gaucher disease (GD); Niemann-Pick disease, also known as acid sphingomyelinase deficiency (ASMD); and Fabry disease (FD). In GD and in ASMD, analysis of bronchoalveolar lavage fluid and lung biopsy can be informative, showing foamy cells. In GD, ILD is rare. Enzyme replacement therapy (ERT) has been available since 1991 and has greatly changed the natural history of GD, with pulmonary failure and death reported before the ERT era. In ASMD, ILD is frequent and is usually associated with spleen enlargement, low platelet cell count and low level of high-density lipoprotein-cholesterol. Results of ERT are promising regarding preliminary results of olipudase alfa in paediatric and adult ASMD populations. The most frequent respiratory manifestation in FD is COPD-like symptoms regardless of smoking habit and dyspnoea due to congestive heart failure. Early diagnosis of these three LSDs is crucial to prevent irreversible organ damage. Early initiation of ERT can, at least in part, prevent organ failure.
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Affiliation(s)
- Raphaël Borie
- Service de Pneumologie A, Centre de Référence des maladies pulmonaires rares, DHU APOLLO, APHP, Hôpital Bichat, Paris, France .,Université de Paris, INSERM U1152, Labex INFLAMEX, Paris, France
| | - Bruno Crestani
- Service de Pneumologie A, Centre de Référence des maladies pulmonaires rares, DHU APOLLO, APHP, Hôpital Bichat, Paris, France.,Université de Paris, INSERM U1152, Labex INFLAMEX, Paris, France
| | - Alice Guyard
- Laboratoire d'anatomopathologie, Hôpital Bichat, Paris, France
| | - Olivier Lidove
- Service de Médecine Interne, Groupe Hospitalier Diaconesses Croix Saint-Simon, Paris, France.,Centre de Référence Maladies Lysosomales (CRML, site Diaconesses Croix Saint-Simon) - Filière Maladies Rares G2M, Paris, France
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18
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Bacherini D, Vicini G, Nicolosi C, Tanini I, Lenzetti C, Finocchio L, Cirami LC, Dervishi E, Rizzo S, Virgili G, Giansanti F, Sodi A. Optical Coherence Tomography Angiography for the Evaluation of Retinal Vasculature in Fabry Disease: Our Experience and Review of Current Knowledge. Front Neurol 2021; 12:640719. [PMID: 33767663 PMCID: PMC7985262 DOI: 10.3389/fneur.2021.640719] [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: 12/11/2020] [Accepted: 02/01/2021] [Indexed: 11/29/2022] Open
Abstract
Purpose: Optical coherence tomography angiography (OCTA) is a non-invasive and objective tool for the evaluation of the retinal microvascular changes in Fabry disease (FD). We investigated changes in retinal vasculature in FD patients, and the possible correlation with systemic parameters, by using OCTA, and reviewed the current status of literature. Methods: Thirteen FD patients (eight females, five males, mean age 49.85 ± 14.7 years) were compared with 13 age- and sex-matched healthy controls. OCTA 3 × 3 mm macular scans were performed in all subjects. We evaluated the vessel density and vessel perfusion in distinct macular areas (whole, inner, and outer) of both the superficial capillary plexus (SCP VD and SCP VP) and of the deep capillary plexus (DCP VD and DCP VP). We also evaluated the foveal avascular zone (FAZ) metrics (area, perimeter, and circularity), and correlation between systemic and OCTA parameters. A literature review on the current understanding of OCTA in FD is then presented. Results: FD patients showed significantly lower SCP VD values in the whole area (17.37 ± 2.08 mm−1 vs. 18.54 ± 1.21 mm−1; p-value 0.022), as well as in the outer area (17.46 ± 2.10 mm−1 vs. 19.08 ± 1.14 mm−1; p-value 0.002), but not in the inner. Even the DCP VD was significantly lower in all the imaged areas: whole (17.75 ± 3.93 mm−1 vs. 19.71 ± 1.20 mm−1; p-value 0.024), outer (18.25 ± 4.17 mm−1 vs. 20.33 ± 1.20 mm−1; p-value 0.023), and inner (19.54 ± 4.17 mm−1 vs. 21.96 ± 1.55 mm−1; p-value 0.011). There were no significant differences in vessel perfusion parameters (both SCP VP and DCP VP ones) and FAZ. No significant correlations were found between the OCTA parameters and systemic parameters (maximal left ventricular wall thickness and glomerular filtration rate) in FD patients. Conclusions: OCTA can be considered as a promising non-invasive tool, which enables a quantitative evaluation of retinal vascular involvement in FD, despite the varying data reported in literature. Our results support the use of OCTA as an objective tool to evaluate retinal vascular abnormalities in FD. The utility of OCTA in FD needs to be validated by longitudinal studies taking into account the overall progression of the disease.
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Affiliation(s)
- Daniela Bacherini
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
| | - Giulio Vicini
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
| | - Cristina Nicolosi
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
| | - Ilaria Tanini
- Cardiomyopathy Unit, Department of Cardiology, Careggi University Hospital, Florence, Italy
| | - Chiara Lenzetti
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
| | - Lucia Finocchio
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
| | - Lino Calogero Cirami
- Nephrology Dialysis Transplant Unit, Medical Geriatric Department, Careggi University Hospital, Florence, Italy
| | - Egrina Dervishi
- Nephrology Dialysis Transplant Unit, Medical Geriatric Department, Careggi University Hospital, Florence, Italy
| | - Stanislao Rizzo
- Ophthalmology Unit, Catholic University of the Sacred Heart, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy.,Consiglio Nazionale della Ricerca (CNR), Pisa, Italy
| | - Gianni Virgili
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy.,Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | - Fabrizio Giansanti
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy.,Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | - Andrea Sodi
- Eye Clinic, Neuromuscular and Sense Organs Department, Careggi University Hospital, Florence, Italy
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Yonishi H, Namba-Hamano T, Hamano T, Hotta M, Nakamura J, Sakai S, Minami S, Yamamoto T, Takahashi A, Kobayashi W, Maeda I, Hidaka Y, Takabatake Y, Sakai N, Isaka Y. Urinary mulberry bodies as a potential biomarker for early diagnosis and efficacy assessment of enzyme replacement therapy in Fabry nephropathy. Nephrol Dial Transplant 2020; 37:53-62. [PMID: 33367839 DOI: 10.1093/ndt/gfaa298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The inability of enzyme replacement therapy (ERT) to prevent progression of Fabry nephropathy (FN) in the presence of >1 g/day proteinuria underscores the necessity of identifying effective biomarkers for early diagnosis of FN preceding proteinuria. Here we attempted to identify biomarkers for early detection of FN. METHODS Fifty-one Fabry disease (FD) patients were enrolled. Urinary mulberry bodies (uMBs) were immunostained for globotriaosylceramide (Gb3) and renal cell markers to determine their origin. The association between semiquantitative uMB excretion and the histological severity of podocyte vacuolation was investigated in seven patients using the vacuolated podocyte:glomerular average area ratio. The association between the semiquantitative estimate of uMB excretion and duration of ERT was analyzed. A longitudinal study was conducted to assess the effect of ERT on uMB excretion. RESULTS Thirty-two patients (63%) had uMBs, while only 31% showed proteinuria. The uMBs were positive for Gb3, lysosomal-associated membrane protein 1 and podocalyxin, suggesting they were derived from lysosomes with Gb3 accumulation in podocytes. We observed more severe podocyte vacuolation with increased uMB excretion (P = 0.03 for trend); however, the same was not observed with increased proteinuria. The percentage of patients with substantial uMB excretion increased with shorter ERT duration (P = 0.018). Eighteen-month-long ERT reduced uMB excretion (P = 0.03) without affecting proteinuria. CONCLUSIONS uMB excretion, implying ongoing podocyte injury, preceded proteinuria in most patients. Semiquantitative uMB estimates can serve as novel biomarkers for early FN diagnosis and for monitoring the efficacy of FD-specific therapies.
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Affiliation(s)
- Hiroaki Yonishi
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tomoko Namba-Hamano
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takayuki Hamano
- Department of Nephrology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masaki Hotta
- Laboratory for Clinical Investigation, Osaka University Hospital, Osaka, Japan
| | - Jun Nakamura
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shinsuke Sakai
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Satoshi Minami
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Atsushi Takahashi
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Wataru Kobayashi
- Laboratory for Clinical Investigation, Osaka University Hospital, Osaka, Japan
| | - Ikuhiro Maeda
- Laboratory for Clinical Investigation, Osaka University Hospital, Osaka, Japan.,Department of Medical Technology, Osaka University Hospital, Osaka, Japan
| | - Yoh Hidaka
- Department of Laboratory Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshitsugu Takabatake
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Norio Sakai
- Division of Health Sciences, Child Healthcare and Genetic Science Laboratory, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
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20
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Wang WT, Sung SH, Liao JN, Hsu TR, Niu DM, Yu WC. Cardiac manifestations in patients with classical or cardiac subtype of Fabry disease. J Chin Med Assoc 2020; 83:825-829. [PMID: 32649415 PMCID: PMC7478196 DOI: 10.1097/jcma.0000000000000379] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Fabry disease (FD) is an X-linked lysosomal storage disorder engendered by a deficiency of the enzyme α-galactosidase A, leading to systemic accumulation of glycolipids. Studies have reported that the cardiac subtype of FD has a later onset and minimal extracardiac involvement. However, whether the severity of cardiac involvement differs between the classic and cardiac subtypes of FD remains unclear. METHODS We enrolled consecutive patients with classic FD (n = 22; median age [25th-75th percentile], 47.0 [32.75-56.25] years; men, 72.7%) as well as age- and sex-matched patients with a later-onset cardiac subtype of FD who were selected from our cohort of patients with IVS4 919G>A mutation. FD was diagnosed on the basis of clinical symptoms/signs and pedigree screening of index case, plasma α-galactosidase activity, and molecular analysis. Data on clinical manifestations, laboratory findings, and echocardiogram findings were collected before enzyme replacement treatment. Disease severity was evaluated using the Mainz Severity Score Index score. RESULTS All female patients demonstrated heterozygous mutations, with five, one, and four of them showing normal α-galactosidase activity, classic FD, and cardiac subtype of FD, respectively. The distributions of left ventricular performance indices and comorbidities, including hypertension, diabetes mellitus, and dyslipidemia, were similar between the two groups. Moreover, MSSI cardiovascular scores did not differ significantly between the groups (classic vs cardiac subtype, 10.0 [2.0-12.5] vs 10.5 [9.0-15.25]; p = 0.277). CONCLUSION Cardiac manifestations are similar between patients with classic and cardiac subtype of FD.
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Affiliation(s)
- Wei-Ting Wang
- Department of Medicine, Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Shih-Hsien Sung
- Department of Medicine, Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Jo-Nan Liao
- Department of Medicine, Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Ting-Rong Hsu
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Dau-Ming Niu
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Wen-Chung Yu
- Department of Medicine, Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
- Address correspondence. Dr. Wen-Chung Yu, Department of Medicine, Division of Cardiology, Taipei Veterans General Hospital, 201, Section 2, Shi-Pai Road, Taipei 112, Taiwan, ROC. Email address: (W.-C. Yu)
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21
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Kidney Transplant in Fabry Disease: A Revision of the Literature. ACTA ACUST UNITED AC 2020; 56:medicina56060284. [PMID: 32532136 PMCID: PMC7353860 DOI: 10.3390/medicina56060284] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 02/07/2023]
Abstract
Fabry disease is classified as a rare X-linked disease caused by a complete or partial defect of enzyme alpha-galactosidase, due to GLA gene mutations. This disorder leads to intracellular globotriaosylceramide (Gb3) deposition associated with increased Gb3 plasma levels. Most of the symptoms of the disease, involving kidneys, heart and nervous system, result from this progressive Gb3 deposition. The incidence is estimated in 1/50,000 to 1/117,000 in males. Fabry nephropathy begins with microalbuminuria and/or proteinuria, which, in the classic form, appear from childhood. Thus, a progressive decline of renal function can start at a young age, and evolve to kidney failure, requiring dialysis or renal transplantation. Enzyme replacement therapy (ERT), available since 2001 for Fabry disease, has been increasingly introduced into the clinical practice, with overall positive short-term and long-term effects in terms of ventricular hypertrophy and renal function. Kidney transplantation represents a relevant therapeutic option for Fabry nephropathy management, for patients reaching end-stage renal disease, but little is known about long-term outcomes, overall patient survival or the possible role of ERT after transplant. The purpose of this review is to analyze the literature on every aspect related to kidney transplantation in patients with Fabry nephropathy: from the analysis of transplant outcomes, to the likelihood of disease recurrence, up to the effects of ERT and its possible interference with immunosuppression.
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22
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Lenders M, Nordbeck P, Kurschat C, Karabul N, Kaufeld J, Hennermann JB, Patten M, Cybulla M, Müntze J, Üçeyler N, Liu D, Das AM, Sommer C, Pogoda C, Reiermann S, Duning T, Gaedeke J, Stumpfe K, Blaschke D, Brand SM, Mann WA, Kampmann C, Muschol N, Canaan-Kühl S, Brand E. Treatment of Fabry's Disease With Migalastat: Outcome From a Prospective Observational Multicenter Study (FAMOUS). Clin Pharmacol Ther 2020; 108:326-337. [PMID: 32198894 DOI: 10.1002/cpt.1832] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/11/2020] [Indexed: 01/15/2023]
Abstract
Fabry's disease (FD) is an X-linked lysosomal storage disorder caused by the deficient activity of the lysosomal enzyme α-galactosidase A (α-Gal A) leading to intracellular accumulation of globotriaosylceramide (Gb3). Patients with amenable mutations can be treated with migalastat, a recently approved oral pharmacologic chaperone to increase endogenous α-Gal A activity. We assessed safety along with cardiovascular, renal, and patient-reported outcomes and disease biomarkers in a prospective observational multicenter study after 12 months of migalastat treatment under "real-world" conditions. Fifty-nine (28 females) patients (34 (57.6%) pretreated with enzyme replacement therapy) with amenable mutations were recruited. Migalastat was generally safe and well tolerated. Females and males presented with a reduction of left ventricular mass index (primary end point) (-7.2 and -13.7 g/m2 , P = 0.0050 and P = 0.0061). FD-specific manifestations and symptoms remained stable (all P > 0.05). Both sexes presented with a reduction of estimated glomerular filtration rate (secondary end point) (-6.9 and -5.0 mL/minute/1.73 m2 ; P = 0.0020 and P = 0.0004, respectively), which was most prominent in patients with low blood pressure (P = 0.0271). α-Gal A activity increased in male patients by 15% from 29% to 44% of the normal wild-type activity (P = 0.0106) and plasma lyso-Gb3 levels were stable in females and males (P = 0.3490 and P = 0.2009). Reevaluation of mutations with poor biochemical response revealed no marked activity increase in a zero activity background. We conclude that therapy with migalastat was generally safe and resulted in an amelioration of left ventricular mass. In terms of impaired renal function, blood pressure control seems to be an unattended important goal.
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Affiliation(s)
- Malte Lenders
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
| | - Peter Nordbeck
- Department of Internal Medicine I, Comprehensive Heart Failure Center, and Fabry Center for Interdisciplinary Therapy (FAZIT), University of Würzburg, Würzburg, Germany
| | - Christine Kurschat
- Department II of Internal Medicine, Center for Molecular Medicine Cologne and Center for Rare Diseases, University of Cologne, Cologne, Germany
| | - Nesrin Karabul
- Endokrinologikum Frankfurt, Center of Hormonal and Metabolic Diseases, Rheumatology, Osteology and Neurology, Frankfurt, Germany
| | - Jessica Kaufeld
- Department of Nephrology and Hypertension, Hannover Medical School, Germany
| | - Julia B Hennermann
- Villa Metabolica, Department for Pediatric and Adolescent Medicine, University Medical Center Mainz, Mainz, Germany
| | - Monica Patten
- Department of General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, Germany
| | - Markus Cybulla
- Department of Nephrology and Rheumatology, FGM, Center of Internal Medicine, Müllheim, Germany
| | - Jonas Müntze
- Department of Internal Medicine I, Comprehensive Heart Failure Center, and Fabry Center for Interdisciplinary Therapy (FAZIT), University of Würzburg, Würzburg, Germany
| | - Nurcan Üçeyler
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Dan Liu
- Department of Internal Medicine I, Comprehensive Heart Failure Center, and Fabry Center for Interdisciplinary Therapy (FAZIT), University of Würzburg, Würzburg, Germany
| | - Anibh M Das
- Department of Paediatrics, Hannover Medical School, Hannover, Germany
| | - Claudia Sommer
- Department of Neurology, University of Würzburg, Würzburg, Germany
| | - Christian Pogoda
- Department of Cardiology I - Coronary and Peripheral Vascular Disease, Heart Failure, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
| | - Stefanie Reiermann
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
| | - Thomas Duning
- Department of Neurology, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
| | - Jens Gaedeke
- Department of Medicine, Division of Nephrology, Charité, Campus Virchow-Klinikum, Berlin, Germany
| | - Katharina Stumpfe
- Department of Pediatrics, University Medical Center Hamburg, Eppendorf, Hamburg, Germany
| | - Daniela Blaschke
- Department of Medicine, Division of Cardiology, Charité, Campus Virchow-Klinikum, Berlin, Germany
| | - Stefan-Martin Brand
- Institute of Sports Medicine, Molecular Genetics of Cardiovascular Disease, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
| | - W Alexander Mann
- Endokrinologikum Frankfurt, Center of Hormonal and Metabolic Diseases, Rheumatology, Osteology and Neurology, Frankfurt, Germany
| | - Christoph Kampmann
- Villa Metabolica, Department for Pediatric and Adolescent Medicine, University Medical Center Mainz, Mainz, Germany
| | - Nicole Muschol
- Department of Pediatrics, University Medical Center Hamburg, Eppendorf, Hamburg, Germany
| | - Sima Canaan-Kühl
- Department of Medicine, Division of Nephrology, Charité, Campus Virchow-Klinikum, Berlin, Germany
| | - Eva Brand
- Department of Internal Medicine D, and Interdisciplinary Fabry Center (IFAZ), University Hospital Münster, Münster, Germany
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23
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Madsen CV, Granqvist H, Petersen JH, Rasmussen ÅK, Lund AM, Oturai P, Sørensen SS, Feldt-Rasmussen U. Age-related renal function decline in Fabry disease patients on enzyme replacement therapy: a longitudinal cohort study. Nephrol Dial Transplant 2020; 34:1525-1533. [PMID: 30535327 DOI: 10.1093/ndt/gfy357] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Nephropathy is common in Fabry disease (FD). Prior studies of renal function during enzyme replacement therapy (ERT) have primarily used estimated glomerular filtration rate (eGFR). We studied the attrition of renal function in FD by measured GFR (mGFR) and urine protein excretion, and explored the influence of age. METHODS This was a long-term observational study of a nationwide, family-screened cohort of FD patients. All Danish genetically verified FD patients on ERT, without end-stage renal disease at baseline and with three or more mGFR values were included. RESULTS In all, 52 patients with consecutive mGFR values (n = 841) over median 7 years (range 1-13) were evaluated. Blood pressure remained normal and urine protein excretion was unchanged. Plasma globotriaosylceramide (Gb-3) levels normalized while plasma lyso-Gb-3 remained abnormal in 34% of patients. Baseline mGFR was 90 ± 3 mL/min/1.73 m2 and rate of renal function loss 0.9 ± 0.2 mL/min/1.73 m2/year. Baseline eGFR was 97 ± 5 mL/min/1.73 m2 and rate of renal function loss 0.8 ± 0.3 mL/min/1.73 m2/year. mGFR was age- adjusted to renal healthy non-FD subjects, giving a standard deviation score of -0.8 ± 0.2 with an annual slope of -0.03 ± 0.01 (P = 0.099), without differences between genders. Age grouping of age-adjusted data showed exaggerated renal function loss with age. Urine albumin-creatinine ratio (UACR) >300 mg/g was associated with faster renal function loss, independent of baseline mGFR, age and gender. CONCLUSIONS ERT-treated FD patients did not have a faster attrition of renal function than renal healthy non-FD subjects (background population). The rate of renal function loss with age was independent of gender and predicted by high UACR. We suggest cautious interpretation of non-age-adjusted FD renal data.
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Affiliation(s)
- Christoffer V Madsen
- Department of Medical Endocrinology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Henrik Granqvist
- Department of Medical Endocrinology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Jørgen H Petersen
- Department of Public Health, Section of Biostatistics, University of Copenhagen, Copenhagen, Denmark
| | - Åse K Rasmussen
- Department of Medical Endocrinology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Allan M Lund
- Department of Clinical Genetics, Centre for Inherited Metabolic Disease
| | - Peter Oturai
- Department of Clinical Physiology, Nuclear Medicine and PET
| | - Søren S Sørensen
- Department of Nephrology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Ulla Feldt-Rasmussen
- Department of Medical Endocrinology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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24
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Aoyama Y, Ushio Y, Yokoyama T, Taneda S, Makabe S, Nishida M, Manabe S, Sato M, Kataoka H, Tsuchiya K, Nitta K, Mochizuki T. Urinary Mulberry Cells as a Biomarker of the Efficacy of Enzyme Replacement Therapy for Fabry Disease. Intern Med 2020; 59:971-976. [PMID: 32238663 PMCID: PMC7184092 DOI: 10.2169/internalmedicine.3813-19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Mulberry cells are often present in the urinary sediments of patients with Fabry disease (FD). We herein report two patients with FD undergoing enzyme replacement therapy (ERT). A 41-year-old man was diagnosed based on lack of α-galactosidase A activity. ERT was subsequently administered. A 40-year-old woman was diagnosed based on urinary Mulberry cells and genetic testing, and ERT was initiated. While the renal function of the male patient deteriorated, the Mulberry cells disappeared in the female patient after ERT was administered. The detection of urinary Mulberry cells can contribute to the diagnosis as well as serve as a biomarker for the response to treatment.
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Affiliation(s)
- Yumi Aoyama
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Yusuke Ushio
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Takashi Yokoyama
- Department of Clinical Laboratory Medicine, Tokyo Women's Medical University Hospital, Japan
| | - Sekiko Taneda
- Department of Pathology, Tokyo Women's Medical University, Japan
| | - Shiho Makabe
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Miki Nishida
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Shun Manabe
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Masayo Sato
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Hiroshi Kataoka
- Department of Nephrology, Tokyo Women's Medical University, Japan
- Clinical Research Division for Polycystic Kidney Disease, Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Ken Tsuchiya
- Department of Blood Purification, Tokyo Women's Medical University, Japan
| | - Kosaku Nitta
- Department of Nephrology, Tokyo Women's Medical University, Japan
| | - Toshio Mochizuki
- Department of Nephrology, Tokyo Women's Medical University, Japan
- Clinical Research Division for Polycystic Kidney Disease, Department of Nephrology, Tokyo Women's Medical University, Japan
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25
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Schiffmann R, Goker-Alpan O, Holida M, Giraldo P, Barisoni L, Colvin RB, Jennette CJ, Maegawa G, Boyadjiev SA, Gonzalez D, Nicholls K, Tuffaha A, Atta MG, Rup B, Charney MR, Paz A, Szlaifer M, Alon S, Brill-Almon E, Chertkoff R, Hughes D. Pegunigalsidase alfa, a novel PEGylated enzyme replacement therapy for Fabry disease, provides sustained plasma concentrations and favorable pharmacodynamics: A 1-year Phase 1/2 clinical trial. J Inherit Metab Dis 2019; 42:534-544. [PMID: 30834538 DOI: 10.1002/jimd.12080] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 02/27/2019] [Indexed: 12/25/2022]
Abstract
Pegunigalsidase alfa, a novel PEGylated, covalently crosslinked form of α-galactosidase A developed as enzyme replacement therapy (ERT) for Fabry disease (FD), was designed to increase plasma half-life and reduce immunogenicity, thereby enhancing efficacy compared with available products. Symptomatic adults with FD participated in this open-label, 3-month dose-ranging study, followed by a 9-month extension. Three cohorts were enrolled in a stepwise manner, each receiving increased doses of pegunigalsidase alfa: 0.2, 1.0, 2.0 mg/kg, via intravenous infusion every other week. Pharmacokinetic analysis occurred on Day 1 and Months 3, 6, and 12. Kidney biopsies at baseline and Month 6 assessed peritubular capillary globotriaosylceramide (Gb3) content. Renal function, cardiac parameters, and other clinical endpoints were assessed throughout. Treatment-emergent adverse events (AEs) and presence of immunoglobulin G (IgG) antidrug antibodies (ADAs) were assessed. Sixteen patients completed 1 year's treatment. Mean terminal plasma half-life (each cohort) ranged from 53 to 121 hours. All 11 male and 1 of 7 female patients presented with classic FD phenotype, in whom renal peritubular capillary Gb3 inclusions were reduced by 84%. Mean estimated glomerular filtration rate was 111 mL/min/1.73 m2 at baseline, remaining stable throughout treatment. Three patients developed treatment-induced IgG ADAs; following 1 year's treatment, all became ADA-negative. Nearly all treatment-emergent AEs were mild or moderate. One patient withdrew from the study following a serious related AE. Pegunigalsidase alfa may represent an advance in ERT for FD, based on its unique pharmacokinetics and apparent low immunogenicity.
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Affiliation(s)
| | - Ozlem Goker-Alpan
- Lysosomal Disorders Research and Treatment Unit, O&O Alpan LLC, Fairfax, Virginia
| | - Myrl Holida
- Medical Genetics-Lysosomal Storage Disorders, University of Iowa, Iowa City, Iowa
| | - Pilar Giraldo
- Centro de Investigación Biomédica en Red de Enfermedades Raras, Hospital de Dia Quiron, Zaragoza, Spain
| | - Laura Barisoni
- Department of Pathology, University of Miami, Miami, Florida
| | - Robert B Colvin
- Department of Pathology Boston, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Charles J Jennette
- Department of Pathology, University of North Carolina, Chapel Hill, North Carolina
| | - Gustavo Maegawa
- Department of Pediatrics/Genetics & Metabolism, University of Florida, Gainesville, Florida
| | - Simeon A Boyadjiev
- Department of Pediatrics, Section of Genetics, MIND Institute, UC Davis Medical Center, Sacramento, California
| | - Derlis Gonzalez
- Department of Haematology, Instituto Privado de Hematologia e Investigación Clínica, Asunción, Paraguay
| | - Kathy Nicholls
- Nephrology Department, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Ahmad Tuffaha
- Division of Nephrology & Hypertension, University of Kansas Medical Center, Kansas City, Kansas
| | - Mohamed G Atta
- Department of Medicine, Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Bonita Rup
- Bioanalysis, Immunogenicity, Regulatory at Bonnie Rup Consulting LLC, Bonnie Rup Consulting LLC, Reading, Massachusetts
| | - Martha R Charney
- Pharmacokinetics Consultant, Pharmacokinetics, Pharmacokinetics Consultant, Toronto, Ontario, Canada
| | - Alona Paz
- Department of Product Development, Protalix Biotherapeutics, Carmiel, Israel
| | - Mali Szlaifer
- 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
| | - Raul Chertkoff
- Department of Product Development, Protalix Biotherapeutics, Carmiel, Israel
| | - Derralynn Hughes
- Department of Haematology, LSDU, Institute of Immunity and Transplantation, Royal Free London NHS Foundation Trust, London, UK
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26
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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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27
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Lenders M, Brand E. Effects of Enzyme Replacement Therapy and Antidrug Antibodies in Patients with Fabry Disease. J Am Soc Nephrol 2018; 29:2265-2278. [PMID: 30093456 DOI: 10.1681/asn.2018030329] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- 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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28
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Habib G, Bucciarelli-Ducci C, Caforio ALP, Cardim N, Charron P, Cosyns B, Dehaene A, Derumeaux G, Donal E, Dweck MR, Edvardsen T, Erba PA, Ernande L, Gaemperli O, Galderisi M, Grapsa J, Jacquier A, Klingel K, Lancellotti P, Neglia D, Pepe A, Perrone-Filardi P, Petersen SE, Plein S, Popescu BA, Reant P, Sade LE, Salaun E, Slart RHJA, Tribouilloy C, Zamorano J. Multimodality Imaging in Restrictive Cardiomyopathies: An EACVI expert consensus document In collaboration with the "Working Group on myocardial and pericardial diseases" of the European Society of Cardiology Endorsed by The Indian Academy of Echocardiography. Eur Heart J Cardiovasc Imaging 2018; 18:1090-1121. [PMID: 28510718 DOI: 10.1093/ehjci/jex034] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 02/14/2017] [Indexed: 12/11/2022] Open
Abstract
Restrictive cardiomyopathies (RCMs) are a diverse group of myocardial diseases with a wide range of aetiologies, including familial, genetic and acquired diseases and ranging from very rare to relatively frequent cardiac disorders. In all these diseases, imaging techniques play a central role. Advanced imaging techniques provide important novel data on the diagnostic and prognostic assessment of RCMs. This EACVI consensus document provides comprehensive information for the appropriateness of all non-invasive imaging techniques for the diagnosis, prognostic evaluation, and management of patients with RCM.
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Affiliation(s)
- Gilbert Habib
- Aix- Aix-Marseille Univ, URMITE, Aix Marseille Université-UM63, CNRS 7278, IRD 198, INSERM 1095.,Cardiology Department, APHM, La Timone Hospital, Boulevard Jean Moulin, 13005 Marseille, France
| | - Chiara Bucciarelli-Ducci
- Bristol Heart Institute, National Institute of Health Research (NIHR) Bristol Cardiovascular Biomedical Research Unit (BRU), University of Bristol, Bristol, UK
| | - Alida L P Caforio
- Cardiology, Department of Cardiological Thoracic and Vascular Sciences, University of Padova, Italy
| | - Nuno Cardim
- Multimodality Cardiac Imaging Department, Sports Cardiology and Cardiomyopathies Centre-Hospital da Luz; Lisbon, Portugal
| | - Philippe Charron
- Université Versailles Saint Quentin, INSERM U1018, Hôpital Ambroise Paré, Boulogne-Billancourt, France.,Centre de référence pour les maladies cardiaques héréditaires, APHP, ICAN, Hôpital de la Pitié Salpêtrière, Paris, France
| | | | - Aurélie Dehaene
- Department of Radiology and Cardiovascular Imaging, APHM, Hôpitaux de la Timone, Pôle d'imagerie Médicale, 13005 Marseille, France
| | - Genevieve Derumeaux
- Department of Physiology, INSERM U955, Université Paris-Est Creteil, Henri Mondor Hospital, DHU-ATVB, AP-HP, Créteil, France
| | - Erwan Donal
- Cardiologie-CHU Rennes & CIC-IT 1414 & LTSI INSERM 1099 - Université Rennes-1
| | - Marc R Dweck
- Centre for Cardiovascular Science, University of Edinburgh
| | - Thor Edvardsen
- Department of Cardiology, Center for Cardiological Innovation and Institute for Surgical Research, Oslo University Hospital, Oslo, Norway.,University of Oslo, Oslo, Norway
| | - Paola Anna Erba
- Regional Center of Nuclear Medicine, Department of Translational Research and New Technology in Medicine, University of Pisa, Pisa, Italy
| | - Laura Ernande
- Department of Physiology, INSERM U955, Université Paris-Est Creteil, Henri Mondor Hospital, DHU-ATVB, AP-HP, Créteil, France
| | - Oliver Gaemperli
- University Heart Center Zurich, Interventional Cardiology and Cardiac Imaging 19, Zurich
| | - Maurizio Galderisi
- Department of Advanced Biomedical Sciences, Federico II University, Naples, Italy
| | - Julia Grapsa
- Department of Cardiovascular Sciences, Imperial College of London, London, UK
| | - Alexis Jacquier
- Department of Radiology and Cardiovascular Imaging, APHM, Hôpitaux de la Timone, Pôle d'imagerie Médicale, Aix-Marseille Université, CNRS, CRMBM UMR 7339, 13385 Marseille, France
| | - Karin Klingel
- Department of Molecular Pathology, Institute for Pathology and Neuropathology, University Hospital Tuebingen, Tuebingen, Germany
| | - Patrizio Lancellotti
- Departments of Cardiology, Heart Valve Clinic, University of Liège Hospital, GIGA Cardiovascular Sciences, CHU Sart Tilman, Liège, Belgium.,Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy
| | - Danilo Neglia
- Cardiovascular Department, Fondazione Toscana G. Monasterio, CNR Institute of Clinical Physiology, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Alessia Pepe
- Magnetic Resonance Imaging Unit, Fondazione G. Monasterio C.N.R.-Regione Toscana Pisa, Italy
| | | | - Steffen E Petersen
- Department of Advanced Cardiovascular Imaging, William Harvey Research Institute, National Institute for Health Research Cardiovascular Biomedical Research Unit at Barts, London, UK
| | - Sven Plein
- Division of Biomedical Imaging, Multidisciplinary Cardiovascular Research Centre, Leeds Institute of Cardiovascular and Metabolic Medicine LIGHT Laboratories, University of Leeds, UK
| | - Bogdan A Popescu
- University of Medicine and Pharmacy 'Carol Davila'-Euroecolab, Institute of Cardiovascular Diseases, Bucharest, Romania
| | | | | | - Erwan Salaun
- Cardiology Department, La Timone Hospital, Marseille France
| | - Riemer H J A Slart
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Hanzeplein 1, Groningen, The Netherlands.,Department of Biomedical Photonic Imaging, University of Twente, PO Box 217, 7500 AEEnschede, The Netherlands
| | - Christophe Tribouilloy
- Department of Cardiology, University Hospital Amiens, Amiens, France and INSERM U-1088, Jules Verne University of Picardie, Amiens, France
| | - Jose Zamorano
- University Hospital Ramon y Cajal Carretera de Colmenar Km 9,100, 28034 Madrid, Spain
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McCloskey S, Brennan P, Sayer JA. Variable phenotypic presentations of renal involvement in Fabry disease: a case series. F1000Res 2018; 7:356. [PMID: 29770213 PMCID: PMC5930549 DOI: 10.12688/f1000research.13708.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/16/2018] [Indexed: 12/20/2022] Open
Abstract
Fabry disease is an X-linked genetic deficiency in the alpha-galactosidase enzyme resulting in intracellular accumulation of glycosphingolipids and multisystem organ dysfunction. Typically 50% of males and 20% of affected females have renal involvement, ranging from proteinuria or reduced renal function, renal parapelvic cysts and progressive renal disease ultimately requiring transplantation or dialysis. The phenotypic presentation of Fabry disease is incredibly varied and will even vary between family members with the same confirmed genetic mutation. In a cohort of patients affected by Fabry disease in the North East of England we examine the different phenotypic presentations of eight index cases (6 male, 2 female) with predominantly renal disease and the renal manifestations within their family members. The mean age of presentation was 40 years of age (range 23-59 years). Various multisystem manifestations were observed including cardiac, neurological, cerebrovascular and skin involvement. Two of the male index patients reached end stage renal disease (ESRD) requiring renal replacement therapy. Two female index patients had phenotypes limited to hypertension and proteinuria at presentation and the remaining patients had either stable or progressive chronic kidney disease at the time of diagnosis. We demonstrate the need for a high index of suspicion in order to consider Fabry disease as a diagnosis and the importance of cascade genetic screening to identify affected family members so that treatment can be initiated in a timely fashion.
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Affiliation(s)
- Sarah McCloskey
- Renal Services, Newcastle Upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, Tyne and Wear , NE7 7DN, UK
| | - Paul Brennan
- Northern Genetics Service, Central Parkway, Newcastle, NE1 3BZ, UK
| | - John A Sayer
- Renal Services, Newcastle Upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, Tyne and Wear , NE7 7DN, UK.,Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, Tyne and Wear, NE1 3BZ, UK
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Hsu TR, Niu DM. Fabry disease: Review and experience during newborn screening. Trends Cardiovasc Med 2018; 28:274-281. [DOI: 10.1016/j.tcm.2017.10.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 10/04/2017] [Accepted: 10/17/2017] [Indexed: 02/05/2023]
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Ortiz A, Germain DP, Desnick RJ, Politei J, Mauer M, Burlina A, Eng C, Hopkin RJ, Laney D, Linhart A, Waldek S, Wallace E, Weidemann F, Wilcox WR. Fabry disease revisited: Management and treatment recommendations for adult patients. Mol Genet Metab 2018. [PMID: 29530533 DOI: 10.1016/j.ymgme.2018.02.014] [Citation(s) in RCA: 354] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by mutations in the GLA gene leading to deficient α-galactosidase A activity, glycosphingolipid accumulation, and life-threatening complications. Phenotypes vary from the "classic" phenotype, with pediatric onset and multi-organ involvement, to later-onset, a predominantly cardiac phenotype. Manifestations are diverse in female patients in part due to variations in residual enzyme activity and X chromosome inactivation patterns. Enzyme replacement therapy (ERT) and adjunctive treatments can provide significant clinical benefit. However, much of the current literature reports outcomes after late initiation of ERT, once substantial organ damage has already occurred. Updated monitoring and treatment guidelines for pediatric patients with Fabry disease have recently been published. Expert physician panels were convened to develop updated, specific guidelines for adult patients. Management of adult patients depends on 1) a personalized approach to care, reflecting the natural history of the specific disease phenotype; 2) comprehensive evaluation of disease involvement prior to ERT initiation; 3) early ERT initiation; 4) thorough routine monitoring for evidence of organ involvement in non-classic asymptomatic patients and response to therapy in treated patients; 5) use of adjuvant treatments for specific disease manifestations; and 6) management by an experienced multidisciplinary team.
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Affiliation(s)
- Alberto Ortiz
- Unidad de Dialisis, IIS-Fundacion Jimenez Diaz, School of Medicine, UAM, IRSIN and REDINREN, Madrid, Spain.
| | - Dominique P Germain
- French Referral Center for Fabry disease, Division of Medical Genetics and INSERM U1179, University of Versailles, Paris-Saclay University, Montigny, France
| | - Robert J Desnick
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Juan Politei
- Department of Neurology, Fundacion Para el Estudio de Enfermedades Neurometabolicas (FESEN), Buenos Aires, Argentina
| | - Michael Mauer
- Departments of Pediatrics and Medicine, University of Minnesota, Minneapolis, MN, USA
| | | | - Christine Eng
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Dawn Laney
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Aleš Linhart
- 2nd Department of Internal - Cardiovascular Medicine, First Medical Faculty, Charles University, Prague, Czech Republic
| | - Stephen Waldek
- School of Pharmacy, University of Sunderland, Sunderland, UK
| | - Eric Wallace
- Department of Medicine, Division of Nephrology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Frank Weidemann
- Department of Internal Medicine, Katharinen-Hospital Unna, Unna, Germany
| | - William R Wilcox
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
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Del Pino M, Andrés A, Bernabéu AÁ, de Juan-Rivera J, Fernández E, de Dios García Díaz J, Hernández D, Luño J, Fernández IM, Paniagua J, Posada de la Paz M, Rodríguez-Pérez JC, Santamaría R, Torra R, Ambros JT, Vidau P, Torregrosa JV. Fabry Nephropathy: An Evidence-Based Narrative Review. Kidney Blood Press Res 2018; 43:406-421. [PMID: 29558749 DOI: 10.1159/000488121] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 03/09/2018] [Indexed: 11/19/2022] Open
Abstract
Fabry disease (FD) is a rare, X-linked disorder caused by mutations in the GLA gene encoding the enzyme α-galactosidase A. Complete or partial deficiency in this enzyme leads to intracellular accumulation of globotriaosylceramide (Gb3) and other glycosphingolipids in many cell types throughout the body, including the kidney. Progressive accumulation of Gb3 in podocytes, endothelial cells, epithelial cells, and tubular cells contribute to the renal symptoms of FD, which manifest as proteinuria and reduced glomerular filtration rate leading to renal insufficiency. A correct diagnosis of FD, although challenging, has considerable implications regarding treatment, management, and counseling. The diagnosis may be confirmed by demonstrating the enzyme deficiency in males and by identifying the specific GLA gene mutation in male and female patients. Treatment with enzyme replacement therapy, as part of the therapeutic strategy to prevent complications of the disease, may be beneficial in stabilizing renal function or slowing its decline, particularly in the early stages of the disease. Emergent treatments for FD include the recently approved chaperone molecule migalastat for patients with amenable mutations. The objective of this report is to provide an updated overview on Fabry nephropathy, with a focus on the most relevant aspects of its epidemiology, diagnosis, pathophysiology, and treatment options.
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Affiliation(s)
- María Del Pino
- Nephrology Service, Hospital Torrecardenas, Almeria, Spain
| | - Amado Andrés
- Division of Nephrology, Instituto de Investigación Hospital 12 de Octubre, Universidad Complutense de Madrid, Madrid, Spain
| | | | | | - Elvira Fernández
- Unit for the Detection and Treatment of Atherothrombotic Diseases (UDETMA), Nephrology Department, Hospital Universitari Arnau de Vilanova de Lleida, Institut de Recerca Biomèdica de Lleida (IRBLleida), Universitat de Lleida, Lleida, Spain
| | - Juan de Dios García Díaz
- Clinical Genetics Unit, Department of Internal Medicine University Hospital Príncipe de Asturias Alcalá de Henares, Madrid, Spain
| | - Domingo Hernández
- Nephrology Department, Carlos Haya Regional University Hospital and University of Málaga, IBIMA, REDinREN (RD16/0009/0006), Málaga, Spain
| | - José Luño
- Nephrology Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - José Paniagua
- Nephrology Service, Hospital El Bierzo, Ponferrada, Spain
| | - Manuel Posada de la Paz
- Institute of Rare Diseases Research, SpainRDR and CIBERER, Institute of Health Carlos III, Madrid, Spain
| | - José Carlos Rodríguez-Pérez
- University Hospital of Gran Canaria Dr. Negrin, Universidad de Las Palmas de Gran Canaria (Las Palmas), Las Palmas, Spain
| | - Rafael Santamaría
- Nephrology Department, Reina Sofia University Hospital, Maimonides Institute for Research in Biomedicine of Cordoba and University of Cordoba, Red de Investigación Renal (RedinRen), Cordoba, Spain
| | - Roser Torra
- Inherited Kidney Disorders, Nephrology Department, Fundació Puigvert, Instituto de Investigaciones Biomédicas Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, REDinREN, Instituto de Investigación Carlos III, Barcelona, Spain
| | - Joan Torras Ambros
- Nephrology Service, Experimental Nephrology Laboratory, Hospital de Bellvitge, IDIBELL, Barcelona, Spain
| | - Pedro Vidau
- Nephrology Service, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Josep-Vicent Torregrosa
- Nephrology and Renal Transplant Department, Hospital Clinic, University of Barcelona, RedInRen, Barcelona, Spain
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Biomarkers and Imaging Findings of Anderson-Fabry Disease-What We Know Now. Diseases 2017; 5:diseases5020015. [PMID: 28933368 PMCID: PMC5547982 DOI: 10.3390/diseases5020015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 06/06/2017] [Accepted: 06/07/2017] [Indexed: 01/09/2023] Open
Abstract
Anderson–Fabry disease (AFD) is an X-linked lysosomal storage disorder, caused by deficiency or absence of the alpha-galactosidase A activity, with a consequent glycosphingolipid accumulation. Biomarkers and imaging findings may be useful for diagnosis, identification of an organ involvement, therapy monitoring and prognosis. The aim of this article is to review the current available literature on biomarkers and imaging findings of AFD patients. An extensive bibliographic review from PubMed, Medline and Clinical Key databases was performed by a group of experts from nephrology, neurology, genetics, cardiology and internal medicine, aiming for consensus. Lyso-GB3 is a valuable biomarker to establish the diagnosis. Proteinuria and creatinine are the most valuable to detect renal damage. Troponin I and high-sensitivity assays for cardiac troponin T can identify patients with cardiac lesions, but new techniques of cardiac imaging are essential to detect incipient damage. Specific cerebrovascular imaging findings are present in AFD patients. Techniques as metabolomics and proteomics have been developed in order to find an AFD fingerprint. Lyso-GB3 is important for evaluating the pathogenic mutations and monitoring the response to treatment. Many biomarkers can detect renal, cardiac and cerebrovascular involvement, but none of these have proved to be important to monitoring the response to treatment. Imaging features are preferred in order to find cardiac and cerebrovascular compromise in AFD patients.
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Tsuboi K, Yamamoto H. Efficacy and safety of enzyme-replacement-therapy with agalsidase alfa in 36 treatment-naïve Fabry disease patients. BMC Pharmacol Toxicol 2017; 18:43. [PMID: 28592315 PMCID: PMC5463328 DOI: 10.1186/s40360-017-0152-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 05/26/2017] [Indexed: 02/05/2023] Open
Abstract
Background Fabry disease (FD) is an X-linked lysosomal storage disorder resulting from the α-galactosidase A gene mutations. Enzyme-replacement-therapy (ERT) products for FD currently used include agalsidase alfa and agalsidase beta. There are many reports on efficacy and safety of ERT. However, most of the previous studies are done as a retrospective medical records analysis. Methods The Japan Fabry Research - 002 (JFR-002) was a prospective observational clinical study of 36 ERT-naïve FD patients (14 men and 22 women) at baseline (BL) and after initiation of ERT with agalsidase alfa 0.2 mg/kg every two weeks, a median period 62.5 months. The parameters measured included globotriaosylceramide (Gb3), globotriaosylsphingosine (Lyso-Gb3), left ventricular mass index (LVMI), brain natriuretic peptide (BNP), high-sensitivity troponin I (hs-Trop I), estimated glomerular filtration rate (eGFR), and anti-agalsidase alfa IgG antibody formation. Results All parameters remained steady during ERT treatment period. BNP levels in 14 patients whose BL levels were within the normal range (<19.5 pg/mL) remained within the same range, while 22 patients whose BL levels were abnormally high (≥19.5 pg/mL) gradually showed decreased levels after start of ERT. Gb3 and Lyso-Gb3 levels remarkably decreased after the initiation of ERT and remained low. Conclusion The JFR-002 suggests that agalsidase alfa is effective in maintaining organ function in FD patients, and that the incidence of infusion reactions related to the treatment with agalsidase alfa is low, indicating the good tolerability to this ERT. Trial registration The JFR-002 was retrospectively registered at Japan Medical Association Center for Clinical Trials (Registration number: JMA-IIA00291) on May 19th, 2017.
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Affiliation(s)
- Kazuya Tsuboi
- LSD Center, Nagoya Central Hospital, 3-7-7 Taiko, Nakamura-ku, Nagoya, 453-0801, Japan.
| | - Hiroshi Yamamoto
- LSD Center, Nagoya Central Hospital, 3-7-7 Taiko, Nakamura-ku, Nagoya, 453-0801, Japan
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Reisin R, Perrin A, García-Pavía P. Time delays in the diagnosis and treatment of Fabry disease. Int J Clin Pract 2017; 71. [PMID: 28097762 DOI: 10.1111/ijcp.12914] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 10/31/2016] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND The high variability in clinical manifestations of Fabry disease can lead to delays between symptom onset and correct diagnosis, and between correct diagnosis and initiation of enzyme replacement therapy. We investigated whether these delays have improved in recent years. METHODS Data were analysed from the Fabry Outcome Survey (FOS; Shire; extracted August 2013) for "index patients", defined as the first patient diagnosed with Fabry disease from a family with several or no additional members registered in FOS. RESULTS Periods analysed: 2001-2006 vs. 2007-2013, in patients overall and from Europe vs. the rest of the world (ROW). Overall, 598 patients were diagnosed within the study periods. Median age (95% CI) at symptom onset in 2001-2006 and 2007-2013 was 7.0 (5.0-11.0) and 9.0 (6.0-11.0) in children, and 21.0 (15.0-28.0) and 31.0 (26.0-35.0) in adults, respectively. Overall, the delay in diagnosis did not improve, despite showing a trend towards earlier diagnosis in adults (median 14.0 [95% CI 9.0-20.0] vs. 10.5 [8.0-13.0] years) and children (5.0 [1.0-9.0] vs. 4.0 [0.0-8.0] years). In contrast, the delay in treatment onset significantly decreased from 2001-2006 to 2007-2013 in children (4.3 [2.0-7.0] vs. 1.0 [0.8-1.4] year; P<.001) and adults (2.1 [1.3-3.2] vs. 0.9 [0.8-1.1] years; P<.001). Geographically, the delay in treatment onset significantly decreased in the ROW among children (5.3 [4.2-8.0] vs. 1.0 [0.8-1.4] year; P<.001) and adults (5.4 [4.8-6.0] vs. 1.1 [0.9-1.1] years; P<.001), but it did not change in Europe. CONCLUSION We found that the delay in diagnosis has not improved substantially whereas the delay in treatment onset has improved in recent years.
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Affiliation(s)
- Ricardo Reisin
- Hospital Británico de Buenos Aires, Buenos Aires, Argentina
| | | | - Pablo García-Pavía
- Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
- Francisco de Vitoria University, Madrid, Spain
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Schiffmann R, Hughes DA, Linthorst GE, Ortiz A, Svarstad E, Warnock DG, West ML, Wanner C, Christensen EI, Correa-Rotter R, Elliott PM, Feriozzi S, Fogo AB, Germain DP, Hollak CE, Hopkin RJ, Johnson J, Kantola I, Kopp JB, Kröner J, Linhart A, Martins AM, Matern D, Mehta AB, Mignani R, Najafian B, Narita I, Nicholls K, Obrador GT, Oliveira JP, Pisani A, Politei J, Ramaswami U, Ries M, Terryn W, Tøndel C, Torra R, Vujkovac B, Waldek S, Walter J. Screening, diagnosis, and management of patients with Fabry disease: conclusions from a "Kidney Disease: Improving Global Outcomes" (KDIGO) Controversies Conference. Kidney Int 2016; 91:284-293. [PMID: 27998644 DOI: 10.1016/j.kint.2016.10.004] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/08/2016] [Accepted: 10/13/2016] [Indexed: 01/16/2023]
Abstract
Patients with Fabry disease (FD) are at a high risk for developing chronic kidney disease and cardiovascular disease. The availability of specific but costly therapy has elevated the profile of this rare condition. This KDIGO conference addressed controversial areas in the diagnosis, screening, and management of FD, and included enzyme replacement therapy and nonspecific standard-of-care therapy for the various manifestations of FD. Despite marked advances in patient care and improved overall outlook, there is a need to better understand the pathogenesis of this glycosphingolipidosis and to determine the appropriate age to initiate therapy in all types of patients. The need to develop more effective specific therapies was also emphasized.
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Affiliation(s)
- Raphael Schiffmann
- Institute of Metabolic Disease, Baylor Research Institute, Dallas, Texas, USA.
| | - Derralynn A Hughes
- Department of Haematology, Royal Free London NHS Foundation Trust, & University College London, UK
| | - Gabor E Linthorst
- Department of Endocrinology and Metabolism, Academic Medical Center, Amsterdam, Netherlands
| | - Alberto Ortiz
- Unidad de Dialisis, IIS-Fundacion Jimenez Diaz/UAM, IRSIN, Madrid, Spain
| | - Einar Svarstad
- Department of Clinical Medicine, University of Bergen, Bergen, Norway; Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - David G Warnock
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Michael L West
- Department of Medicine, Dalhousie University, Halifax, Canada
| | - Christoph Wanner
- Department of Medicine, Division of Nephrology, University Hospital of Würzburg, Würzburg, Germany.
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Barba-Romero MÁ, Pintos-Morell G. Gender Differences in the Application of Spanish Criteria for Initiation of Enzyme Replacement Therapy for Fabry Disease in the Fabry Outcome Survey. Int J Mol Sci 2016; 17:ijms17121965. [PMID: 27886142 PMCID: PMC5187765 DOI: 10.3390/ijms17121965] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 11/11/2016] [Accepted: 11/18/2016] [Indexed: 01/20/2023] Open
Abstract
Both male/female patients with Fabry disease (FD) may receive enzyme replacement therapy (ERT). Previously published analyses of the Fabry Outcome Survey (FOS; Shire-sponsored) database suggested gender differences in timing of ERT initiation. We assessed alignment of criteria for ERT initiation in the Spanish adult population included in FOS with recommendations of a Spanish national consensus. This retrospective analysis examined baseline clinical data of 88 adults (49 females) enrolled in the FOS database up to August 2014. Thirty-five (39.8%) patients were not receiving ERT: five (12.8%) males and 30 (61.2%) females. Baseline disease severity on the FOS-derived Mainz Severity Score Index was lower in untreated males (median (interquartile range), 0.0 (0.0–1.0)) than treated males (TM; 15.0 (7.5–26.5)), and was similar in untreated and treated females. The percentage of untreated females with at least one criterion for treatment initiation was 76.7% versus 100.0% of treated females (p = 0.0340) and 97.1% (p = 0.0210) of TM. In discordance with Spanish consensus recommendations, a substantial number of females with evidence of FD who might benefit from ERT have not yet initiated treatment. These results suggest unequal gender perceptions with respect to ERT initiation in Spain.
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Affiliation(s)
- Miguel-Ángel Barba-Romero
- Department of Internal Medicine, Albacete University Hospital, Castilla-La Mancha University, 37 Hermanos Falcó St., 02006 Albacete, Spain.
| | - Guillem Pintos-Morell
- Department of Pediatrics, Germans Trias i Pujol University Hospital and Research Institute (IGTP), Universitat Autònoma de Barcelona, 08916 Badalona, Spain.
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Hughes DA, Nicholls K, Shankar SP, Sunder-Plassmann G, Koeller D, Nedd K, Vockley G, Hamazaki T, Lachmann R, Ohashi T, Olivotto I, Sakai N, Deegan P, Dimmock D, Eyskens F, Germain DP, Goker-Alpan O, Hachulla E, Jovanovic A, Lourenco CM, Narita I, Thomas M, Wilcox WR, Bichet DG, Schiffmann R, Ludington E, Viereck C, Kirk J, Yu J, Johnson F, Boudes P, Benjamin ER, Lockhart DJ, Barlow C, Skuban N, Castelli JP, Barth J, Feldt-Rasmussen U. Oral pharmacological chaperone migalastat compared with enzyme replacement therapy in Fabry disease: 18-month results from the randomised phase III ATTRACT study. J Med Genet 2016; 54:288-296. [PMID: 27834756 PMCID: PMC5502308 DOI: 10.1136/jmedgenet-2016-104178] [Citation(s) in RCA: 234] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 10/07/2016] [Accepted: 10/12/2016] [Indexed: 12/31/2022]
Abstract
Background Fabry disease is an X-linked lysosomal storage disorder caused by GLA mutations, resulting in α-galactosidase (α-Gal) deficiency and accumulation of lysosomal substrates. Migalastat, an oral pharmacological chaperone being developed as an alternative to intravenous enzyme replacement therapy (ERT), stabilises specific mutant (amenable) forms of α-Gal to facilitate normal lysosomal trafficking. Methods The main objective of the 18-month, randomised, active-controlled ATTRACT study was to assess the effects of migalastat on renal function in patients with Fabry disease previously treated with ERT. Effects on heart, disease substrate, patient-reported outcomes (PROs) and safety were also assessed. Results Fifty-seven adults (56% female) receiving ERT (88% had multiorgan disease) were randomised (1.5:1), based on a preliminary cell-based assay of responsiveness to migalastat, to receive 18 months open-label migalastat or remain on ERT. Four patients had non-amenable mutant forms of α-Gal based on the validated cell-based assay conducted after treatment initiation and were excluded from primary efficacy analyses only. Migalastat and ERT had similar effects on renal function. Left ventricular mass index decreased significantly with migalastat treatment (−6.6 g/m2 (−11.0 to −2.2)); there was no significant change with ERT. Predefined renal, cardiac or cerebrovascular events occurred in 29% and 44% of patients in the migalastat and ERT groups, respectively. Plasma globotriaosylsphingosine remained low and stable following the switch from ERT to migalastat. PROs were comparable between groups. Migalastat was generally safe and well tolerated. Conclusions Migalastat offers promise as a first-in-class oral monotherapy alternative treatment to intravenous ERT for patients with Fabry disease and amenable mutations. Trial registration number: NCT00925301; Pre-results.
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Affiliation(s)
- Derralynn A Hughes
- Department of Haematology, Royal Free London NHS Foundation Trust and University College London, London, UK
| | - Kathleen Nicholls
- Department of Nephrology, Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Suma P Shankar
- Section of Vitreoretinal Surgery & Diseases, Emory University, Atlanta, Georgia, USA
| | - Gere Sunder-Plassmann
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - David Koeller
- Doernbecher Children's Hospital, Oregon Health & Science University, Portland, Oregon, USA
| | - Khan Nedd
- Infusion Associates, Grand Rapids, Missouri, USA
| | - Gerard Vockley
- Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Takashi Hamazaki
- Infusion Associates, Grand Rapids, Missouri, USA.,Department of Pediatrics, Osaka City University Hospital, Osaka-shi, Japan
| | - Robin Lachmann
- Charles Dent Metabolic Unit, National Hospital for Neurology and Neurosurgery, London, UK
| | | | - Iacopo Olivotto
- Departmento Cuore e vasi, A.O.U. Careggi Firenze, Firenze, Italy
| | - Norio Sakai
- Osaka City University Hospital, Osaka-shi, Japan
| | - Patrick Deegan
- Lysosmal Disorders Unit, Department of Medicine, Addenbrooke's Hospital, Cambridge, UK
| | - David Dimmock
- Genetics Center MS716, Children's Hospital of Wisconsin, Milwaukee, Wisconsin, USA
| | | | - Dominique P Germain
- Division of Medical Genetics, University of Versailles, Paris-Saclay University and Assistance Publique-Hôpitaux de Paris, Paris, France
| | | | - Eric Hachulla
- Service de Médecine, Hôpital Claude Huriez-CHRU Lille, Lille, France
| | - Ana Jovanovic
- Department of Endocrinology and Metabolic Medicine, Salford Royal NHS Foundation Trust, Salford, UK
| | - Charles M Lourenco
- Hospital das Clínicas FMUSP-Ribeirão Preto, São Paulo, Ribeirão Preto, Brazil
| | - Ichiei Narita
- Niigata University Graduate School of Medicine and Dental Sciences, Niigata, Japan
| | - Mark Thomas
- Royal Perth Hospital, Perth, New South Wales, Australia
| | - William R Wilcox
- Department of Genetics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Daniel G Bichet
- Clinical Research Division, Hôpital du Sacré-Coeur de Montreal, University of Montreal, Montreal, Quebec, Canada
| | - Raphael Schiffmann
- Institute of Metabolic Disease, Baylor Research Institute, Dallas, Texas, USA
| | | | | | - John Kirk
- Amicus Therapeutics Inc., Cranbury, New Jersey, USA
| | - Julie Yu
- Amicus Therapeutics Inc., Cranbury, New Jersey, USA
| | | | - Pol Boudes
- CymaBay Therapeutics, Inc., Newark, California, USA
| | | | | | - Carrolee Barlow
- Parkinson's Institute and Clinical Center, Sunnyvale, California, USA
| | - Nina Skuban
- Amicus Therapeutics Inc., Cranbury, New Jersey, USA
| | | | - Jay Barth
- Amicus Therapeutics Inc., Cranbury, New Jersey, USA
| | - Ulla Feldt-Rasmussen
- Department of Medical Endocrinology, Rigshospital, Copenhagen University Hospital, Copenhagen, Denmark
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Manrique-Rodríguez S, de la Rubia-Nieto A, García-Robles JA, Goicoechea-Diezhandino M, Gimeno-Blanes JA, Pernía-López MS, Pellicer-Franco C, Sanjurjo-Sáez M. Individualized therapy in patients with Fabry disease: is it a feasible strategy for rare diseases? Expert Opin Orphan Drugs 2016. [DOI: 10.1080/21678707.2016.1253468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Giugliani R, Niu DM, Ramaswami U, West M, Hughes D, Kampmann C, Pintos-Morell G, Nicholls K, Schenk JM, Beck M. A 15-Year Perspective of the Fabry Outcome Survey. JOURNAL OF INBORN ERRORS OF METABOLISM AND SCREENING 2016. [DOI: 10.1177/2326409816666298] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Roberto Giugliani
- Medical Genetics Service HCPA, Dep Genet UFRGS and INAGEMP, Porto Alegre, Brazil
| | - Dau-Ming Niu
- Taipei Veterans General Hospital and Institute of Clinical Medicine, National Yang-Ming University, School of Medicine, Taipei, Taiwan
| | - Uma Ramaswami
- Royal Free London NHS Foundation Trust, University College of London, London, United Kingdom
| | - Michael West
- Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Derralynn Hughes
- Royal Free London NHS Foundation Trust, University College of London, London, United Kingdom
| | - Christoph Kampmann
- Center for Pediatric and Adolescent Medicine, University Medical Center, University of Mainz, Mainz, Germany
| | - Guillem Pintos-Morell
- Department of Pediatrics, University Hospital “Germans Trias i Pujol,” Universitat Autònoma de Barcelona, Badalona, Spain
| | - Kathleen Nicholls
- Department of Nephrology, Royal Melbourne Hospital and University of Melbourne, Victoria, Australia
| | | | - Michael Beck
- Center for Pediatric and Adolescent Medicine, University Medical Center, University of Mainz, Mainz, Germany
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Ranieri M, Bedini G, Parati EA, Bersano A. Fabry Disease: Recognition, Diagnosis, and Treatment of Neurological Features. Curr Treat Options Neurol 2016; 18:33. [DOI: 10.1007/s11940-016-0414-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lidove O, Barbey F, Joly D. [Treatment of Fabry disease: Successes, failures, and expectations]. Nephrol Ther 2016; 12 Suppl 1:S105-13. [PMID: 26968478 DOI: 10.1016/j.nephro.2016.02.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Fabry disease, an X-linked lysosomal storage disease, results from α-galactosidase A deficiency. Two different recombinant enzyme treatments (algalsidase alpha agalsidase beta) have been available since 2001 to treat a disease that affects not only men but also women. Enzyme replacement therapy promotes cell clearance of susbtrate, and improves some clinical parameters (heart, kidney damage, pain, quality of life). However, there is no proven efficacy to date on central nervous system lesions, on cardiac morbidity and mortality, nor on renal damage beyond a certain stage (proteinuria>1g/day and/or estimated glomerular filtration rate<60mL/min/1.73m(2)). In this review, we discuss the potential benefit of an early intervention, the vascular protective measures to be associated with enzyme therapy and their rationale, and some alternative treatments under development, such as chaperones and substrate molecules inhibitors.
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Affiliation(s)
- Olivier Lidove
- Service de médecine interne-rhumatologie, hôpital de la Croix-Saint-Simon, 125, rue d'Avron, 75020 Paris, France; Centre de référence maladies lysosomales (CRML, site Diaconesses-Croix Saint Simon), 125, rue d'Avron, 75020 Paris, France; UMRS 974, équipe muscle inflammatoire/thérapies innovantes ciblées, Inserm, Groupe hospitalier Pitié-salpêtrière, Université Pierre-et-Marie-Curie, 47-83 boulevard de l'Hôpital, 75013 Paris, France.
| | - Frédéric Barbey
- Service des maladies moléculaires, centre hospitalier universitaire Vaudois (CHUV), rue du Bugnon 21, CH-1011 Lausanne, Suisse
| | - Dominique Joly
- Service de néphrologie, hôpital Necker Enfants malades, 149, rue de Sèvres, 75015 Paris, France; Faculté de médecine, université Paris Descartes, 149, rue de Sèvres, 75015 Paris, France; Inserm U1151, 149, rue de Sèvres, 75015 Paris, France
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Oral Migalastat HCl Leads to Greater Systemic Exposure and Tissue Levels of Active α-Galactosidase A in Fabry Patients when Co-Administered with Infused Agalsidase. PLoS One 2015; 10:e0134341. [PMID: 26252393 PMCID: PMC4529213 DOI: 10.1371/journal.pone.0134341] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 07/07/2015] [Indexed: 11/19/2022] Open
Abstract
UNLABELLED Migalastat HCl (AT1001, 1-Deoxygalactonojirimycin) is an investigational pharmacological chaperone for the treatment of α-galactosidase A (α-Gal A) deficiency, which leads to Fabry disease, an X-linked, lysosomal storage disorder. The currently approved, biologics-based therapy for Fabry disease is enzyme replacement therapy (ERT) with either agalsidase alfa (Replagal) or agalsidase beta (Fabrazyme). Based on preclinical data, migalastat HCl in combination with agalsidase is expected to result in the pharmacokinetic (PK) enhancement of agalsidase in plasma by increasing the systemic exposure of active agalsidase, thereby leading to increased cellular levels in disease-relevant tissues. This Phase 2a study design consisted of an open-label, fixed-treatment sequence that evaluated the effects of single oral doses of 150 mg or 450 mg migalastat HCl on the PK and tissue levels of intravenously infused agalsidase (0.2, 0.5, or 1.0 mg/kg) in male Fabry patients. As expected, intravenous administration of agalsidase alone resulted in increased α-Gal A activity in plasma, skin, and peripheral blood mononuclear cells (PBMCs) compared to baseline. Following co-administration of migalastat HCl and agalsidase, α-Gal A activity in plasma was further significantly increased 1.2- to 5.1-fold compared to agalsidase administration alone, in 22 of 23 patients (95.6%). Importantly, similar increases in skin and PBMC α-Gal A activity were seen following co-administration of migalastat HCl and agalsidase. The effects were not related to the administered migalastat HCl dose, as the 150 mg dose of migalastat HCl increased α-Gal A activity to the same extent as the 450 mg dose. Conversely, agalsidase had no effect on the plasma PK of migalastat. No migalastat HCl-related adverse events or drug-related tolerability issues were identified. TRIAL REGISTRATION ClinicalTrials.gov NCT01196871.
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Goláň L, Goker-Alpan O, Holida M, Kantola I, Klopotowski M, Kuusisto J, Linhart A, Musial J, Nicholls K, Gonzalez-Rodriguez D, Sharma R, Vujkovac B, Chang P, Wijatyk A. Evaluation of the efficacy and safety of three dosing regimens of agalsidase alfa enzyme replacement therapy in adults with Fabry disease. DRUG DESIGN DEVELOPMENT AND THERAPY 2015; 9:3435-44. [PMID: 26185417 PMCID: PMC4501226 DOI: 10.2147/dddt.s80928] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Purpose Efficacy and safety of agalsidase alfa at 0.2 mg/kg weekly were compared with 0.2 mg/kg every other week (EOW). Exploratory analyses were performed for 0.4 mg/kg weekly. Patients and methods This was a 53-week, Phase III/IV, multicenter, open-label study (NCT01124643) in treatment-naïve adults (≥18 years) with Fabry disease. Inclusion criteria were left ventricular hypertrophy at baseline, defined as left ventricular mass indexed to height >50 g/m2.7 for males and >47 g/m2.7 for females. Primary endpoint was reduction of left ventricular mass indexed to height as assessed by echocardiography. Secondary endpoints included cardiac (peak oxygen consumption, 6-minute walk test, Minnesota Living with Heart Failure Questionnaire, New York Heart Association classification), renal (Modification of Diet in Renal Disease, estimated glomerular filtration rate), and biomarker (plasma globotriaosylceramide) assessments. Safety endpoints were adverse events and anti–agalsidase alfa antibodies. Results Twenty patients were randomized to 0.2 mg/kg EOW (mean age, 50.3 years; 70% male), 19 to 0.2 mg/kg weekly (51.8 years; 53% male), and 5 to 0.4 mg/kg weekly (49.4 years; 40% male). The mean change in left ventricular mass indexed to height by Week 53 in the 0.2-mg/kg EOW and weekly groups was 3.2 g/m2.7 and 0.5 g/m2.7, with no significant difference between groups. No clinically meaningful changes by Week 53 were found within or between the 0.2-mg/kg groups for peak oxygen consumption, 6-minute walk test, or Minnesota Living with Heart Failure Questionnaire. Two patients in each group improved by ≥1 New York Heart Association classification. No significant differences were found between 0.2 mg/kg EOW and weekly for mean change in estimated glomerular filtration rate (−1.21 mL/min/1.73 m2 vs −3.32 mL/min/1.73 m2) or plasma globotriaosylceramide (−1.05 nmol/mL vs −2.13 nmol/mL), respectively. Infusion-related adverse events were experienced by 25% and 21% in the 0.2-mg/kg EOW and weekly groups. Tachycardia, fatigue, and hypotension were experienced by two or more patients overall. Anti–agalsidase alfa antibodies were detected in 11.4% of patients and neutralizing antibodies in 6.8%. Infusion-related reactions did not appear to be correlated with antibody status. Conclusion No efficacy or safety differences were found when the approved EOW dosage of agalsidase alfa was increased to weekly administration. Exploratory analyses for 0.4 mg/kg weekly showed similar results.
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Affiliation(s)
- Lubor Goláň
- First Faculty of Medicine, Department of Cardiovascular Medicine, Charles University, Prague, Czech Republic
| | | | - Myrl Holida
- Stead Family Department of Pediatrics, Division of Medical Genetics, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Ikka Kantola
- Division of Medicine, Turku University Hospital, Turku, Finland
| | | | - Johanna Kuusisto
- Department of Medicine, Center for Medicine and Clinical Research, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
| | - Aleš Linhart
- First Faculty of Medicine, Department of Cardiovascular Medicine, Charles University, Prague, Czech Republic
| | - Jacek Musial
- Department of Internal Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Kathleen Nicholls
- Department of Nephrology, Royal Melbourne Hospital and the University of Melbourne, VIC, Australia
| | | | | | - Bojan Vujkovac
- General Hospital Slovenj Gradec, Slovenj Gradec, Slovenia
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Coformulation of a Novel Human α-Galactosidase A With the Pharmacological Chaperone AT1001 Leads to Improved Substrate Reduction in Fabry Mice. Mol Ther 2015; 23:1169-1181. [PMID: 25915924 PMCID: PMC4817779 DOI: 10.1038/mt.2015.87] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 04/20/2015] [Indexed: 12/22/2022] Open
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by mutations in the gene that encodes α-galactosidase A and is characterized by pathological accumulation of globotriaosylceramide and globotriaosylsphingosine. Earlier, the authors demonstrated that oral coadministration of the pharmacological chaperone AT1001 (migalastat HCl; 1-deoxygalactonojirimycin HCl) prior to intravenous administration of enzyme replacement therapy improved the pharmacological properties of the enzyme. In this study, the authors investigated the effects of coformulating AT1001 with a proprietary recombinant human α-galactosidase A (ATB100) into a single intravenous formulation. AT1001 increased the physical stability and reduced aggregation of ATB100 at neutral pH in vitro, and increased the potency for ATB100-mediated globotriaosylceramide reduction in cultured Fabry fibroblasts. In Fabry mice, AT1001 coformulation increased the total exposure of active enzyme, and increased ATB100 levels in cardiomyocytes, cardiac vascular endothelial cells, renal distal tubular epithelial cells, and glomerular cells, cell types that do not show substantial uptake with enzyme replacement therapy alone. Notably, AT1001 coformulation also leads to greater tissue globotriaosylceramide reduction when compared with ATB100 alone, which was positively correlated with reductions in plasma globotriaosylsphingosine. Collectively, these data indicate that intravenous administration of ATB100 coformulated with AT1001 may provide an improved therapy for Fabry disease and thus warrants further investigation.
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Goker-Alpan O, Nedd K, Shankar SP, Lien YHH, Weinreb N, Wijatyk A, Chang P, Martin R. Effect and Tolerability of Agalsidase Alfa in Patients with Fabry Disease Who Were Treatment Naïve or Formerly Treated with Agalsidase Beta or Agalsidase Alfa. JIMD Rep 2015; 23:7-15. [PMID: 25822820 DOI: 10.1007/8904_2015_422] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 01/22/2015] [Accepted: 02/12/2015] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES In a multicenter, open-label, treatment protocol (HGT-REP-059; NCT01031173), clinical effects and tolerability of agalsidase alfa (agalα; 0.2 mg/kg every other week) were evaluated in patients with Fabry disease who were treatment naïve or switched from agalsidase beta (switch). Over 24 months, data were collected on the safety profile; renal and cardiac parameters were assessed using estimated glomerular filtration rate (eGFR), left ventricular mass index (LVMI), and midwall fractional shortening (MFS). RESULTS Enrolled patients included 71 switch (median [range] age, 46.6 [5-84] years; male to female [M:F], 40:31) and 29 treatment naïve (38.7 [12-74] years; M:F, 14:15). Adverse events (AEs) were consistent with the known safety profile of agalα. Two switch patients had hospitalization due to possibly/probably drug-related serious AEs (one with transient ischemic attack, one with infusion-related AEs). One switch and two treatment-naïve patients discontinued treatment because of AEs. Three patients (one each switch, treatment naïve, and previous agalα) died; no deaths were considered drug-related. There was no significant change from baseline in LVMI or MFS in either group. Similarly, eGFR remained stable; mean ± standard error annualized change in eGFR (mL/min/1.73 m(2)) was -2.40 ± 1.04 in switch and -1.68 ± 2.21 in treatment-naïve patients. CONCLUSIONS This is the largest cohort of patients with Fabry disease who were started on or switched to agalα in an FDA-accepted protocol during a worldwide supply shortage of agalsidase beta. Because this protocol was primarily designed to provide access to agalα, there were limitations, including not having stringent selection criteria and the lack of a placebo group.
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Beck M, Hughes D, Kampmann C, Larroque S, Mehta A, Pintos-Morell G, Ramaswami U, West M, Wijatyk A, Giugliani R. Long-term effectiveness of agalsidase alfa enzyme replacement in Fabry disease: A Fabry Outcome Survey analysis. Mol Genet Metab Rep 2015; 3:21-7. [PMID: 26937390 PMCID: PMC4750577 DOI: 10.1016/j.ymgmr.2015.02.002] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 02/12/2015] [Indexed: 02/05/2023] Open
Abstract
Outcomes from 5 years of treatment with agalsidase alfa enzyme replacement therapy (ERT) for Fabry disease in patients enrolled in the Fabry Outcome Survey (FOS) were compared with published findings for untreated patients with Fabry disease. Data were extracted from FOS, a Shire-sponsored database, for comparison with data from three published studies. Outcomes evaluated were the annualized rate of change in estimated glomerular filtration rate (eGFR) and left ventricular mass indexed to height (LVMI) as well as time to and ages at a composite morbidity endpoint and at death. FOS data were extracted for 740 treated patients who were followed for a median of ~ 5 years. Compared with no treatment, patients treated with agalsidase alfa demonstrated slower decline in renal function and slower progression of left ventricular hypertrophy. Treated male patients with baseline eGFR < 60 mL/min/1.73 m2 had a mean (standard error of the mean [SEM]) annualized change in eGFR of − 2.86 (0.53) mL/min/1.73 m2/y compared with − 6.8 (1.5) in the published untreated cohort. The mean (SEM) rate of LVMI increase with treatment was 0.33 (0.10) g/m2.7/y in males and 0.48 (0.09) in females, compared with 4.07 (1.03) in untreated males and 2.31 (0.81) in untreated females. Morbidity occurred later in treated patients, with ~ 16% risk of a composite morbidity event (26% in males) after 24 months with ERT versus ~ 45% without treatment, with first events and deaths also occurring at older ages in patients administered ERT (e.g., estimated median survival in treated males was 77.5 years versus 60 years in untreated males). Findings from these retrospective comparisons of observational data and published literature support the long-term benefits of ERT with agalsidase alfa for Fabry disease in slowing the progression of renal impairment and cardiomyopathy. Treatment also appeared to delay the onset of morbidity and mortality. Interpretation of these findings should take into account that they are based on retrospective comparisons with previously published data.
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Key Words
- ACEI, Angiotensin-converting enzyme inhibitor
- ARB, Angiotensin receptor blocker
- Agalsidase alfa
- CI, Confidence interval
- ERT, Enzyme replacement therapy
- Enzyme replacement therapy
- FOS, Fabry Outcome Survey
- Fabry disease
- LVH, Left ventricular hypertrophy
- LVMI, Left ventricular mass indexed to height
- Long-term effectiveness
- MDRD, Modification of Diet in Renal Disease
- SE, Standard error
- SEM, Standard error of the mean
- eGFR, Estimated glomerular filtration rate
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Affiliation(s)
- Michael Beck
- University Medical Center, University of Mainz, Department of Paediatrics, Mainz, Germany
| | - Derralynn Hughes
- Royal Free London NHS Foundation Trust, University College of London, UK
| | - Christoph Kampmann
- University Medical Center, University of Mainz, Department of Paediatrics, Mainz, Germany
| | | | - Atul Mehta
- Royal Free London NHS Foundation Trust, University College of London, UK
| | - Guillem Pintos-Morell
- Department of Pediatrics, University Hospital "Germans Trias i Pujol," Badalona, Universitat Autònoma de Barcelona, Spain
| | - Uma Ramaswami
- Royal Free London NHS Foundation Trust, University College of London, UK
| | - Michael West
- Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | | | - Roberto Giugliani
- Medical Genetics Service HCPA/Dep Genet UFRGS and INAGEMP, Porto Alegre, Brazil
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Mauhin W, Lidove O, Masat E, Mingozzi F, Mariampillai K, Ziza JM, Benveniste O. Innate and Adaptive Immune Response in Fabry Disease. JIMD Rep 2015; 22:1-10. [PMID: 25690728 PMCID: PMC4486269 DOI: 10.1007/8904_2014_371] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 09/18/2014] [Accepted: 09/30/2014] [Indexed: 12/22/2022] Open
Abstract
Fabry disease is an X-linked lysosomal storage disease in which mutations of the gene (GLA) cause a deficiency of the lysosomal hydrolase α-galactosidase A (α-Gal). This defect results in an accumulation of glycosphingolipids, primarily globotriaosylceramide (Gb3) which causes a multisystemic vasculopathy. Available since 2001 in Europe, enzyme replacement therapy consists in the administration of agalsidase, a recombinant form of α-galactosidase A. Enzyme replacement therapy was shown to improve the global prognosis but allowed partial success in preventing critical events such as strokes and cardiac arrests. As in most lysosomal storage diseases, frequent immune reactions have been described in naive Fabry disease patients. Humoral immune responses following enzyme replacement therapy have also been described, with unclear consequences on the progression of the disease. While cost-effectiveness of enzyme replacement therapy in Fabry disease begins to be questioned and new therapeutic strategies arise such as chaperone or gene therapy, it appears necessary to better understand the immune responses observed in the treatment of naive patients and during enzyme replacement therapy with agalsidase. We propose a comprehensive review of the available literature concerning both innate and adaptive responses observed in Fabry disease. We particularly highlight the probable role of the toll-like receptor 4 (TLR4) and CD1d pathways triggered by Gb3 accumulation in the development of local and systemic inflammation that could lead to irreversible organ damages. We propose an immunological point of view of Fabry disease pathogenesis involving immune cells notably the invariant natural killer T cells. We finally review anti-agalsidase antibodies, their development and impact on outcomes.
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Affiliation(s)
- Wladimir Mauhin
- />Internal Medicine Department, La Pitié-Salpêtrière Hospital, 47-83 boulevard de l’hôpital, 75013 Paris, France
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
| | - Olivier Lidove
- />Internal Medicine and Rheumatology Department, La Croix Saint Simon Hospital, 125 rue d’Avron, 75020 Paris, France
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
| | - Elisa Masat
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
| | - Federico Mingozzi
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
| | - Kuberaka Mariampillai
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
| | - Jean-Marc Ziza
- />Internal Medicine and Rheumatology Department, La Croix Saint Simon Hospital, 125 rue d’Avron, 75020 Paris, France
| | - Olivier Benveniste
- />Internal Medicine Department, La Pitié-Salpêtrière Hospital, 47-83 boulevard de l’hôpital, 75013 Paris, France
- />Inserm UMRS 974, University Pierre and Marie Curie, 47-83 boulevard de l’hôpital, 75013 Paris, France
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50
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El-Abassi R, Singhal D, England JD. Fabry's disease. J Neurol Sci 2014; 344:5-19. [DOI: 10.1016/j.jns.2014.06.029] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 06/12/2014] [Accepted: 06/14/2014] [Indexed: 10/25/2022]
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