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Berger KI, Chien YH, Dubrovsky A, Kishnani PS, Llerena JC, Neilan E, Roberts M, Sheng B, Batista JL, Periquet M, Wilson KM, van der Ploeg AT. Changes in forced vital capacity over ≤ 13 years among patients with late-onset Pompe disease treated with alglucosidase alfa: new modeling of real-world data from the Pompe Registry. J Neurol 2024:10.1007/s00415-024-12489-9. [PMID: 38896264 DOI: 10.1007/s00415-024-12489-9] [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: 02/22/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Chronic respiratory insufficiency from progressive muscle weakness causes morbidity and mortality in late-onset Pompe disease (LOPD). Previous Pompe Registry (NCT00231400) analyses for ≤ 5 years' alglucosidase alfa treatment showed a single linear time trend of stable forced vital capacity (FVC) % predicted. METHODS To assess longer term Pompe Registry data, piecewise linear mixed model regression analyses estimated FVC% predicted trajectories in invasive-ventilator-free patients with LOPD aged ≥ 5 years. We estimated annual FVC change 0-6 months, > 6 months-5 years, and > 5-13 years from treatment initiation, adjusting for baseline age, sex, and non-invasive ventilation. FINDINGS Among 485 patients (4612 FVC measurements; 8.3 years median follow-up), median ages at symptom onset, diagnosis, and alglucosidase alfa initiation were 34.3, 41.1, and 44.9 years, respectively. FVC% increased during the first 6 months' treatment (slope 1.83%/year; 95% confidence interval: 0.66, 3.01; P = 0.0023), then modestly declined -0.54%/year (-0.79, -0.30; P < 0.0001) during > 6 months-5 years, and -1.00%/year (-1.36, -0.63; P < 0.0001) during > 5-13 years. The latter two periods' slopes were not significantly different from each other (Pdifference = 0.0654) and were less steep than published natural history slopes (-1% to -4.6%/year). Estimated individual slopes were ≥ 0%/year in 96.1%, 30.3%, and 13.2% of patients during the 0-6 month, > 6 month-5 year, and > 5-13 year periods, respectively. CONCLUSION These real-world data indicate an alglucosidase alfa benefit on FVC trajectory that persists at least 13 years compared with published natural history data. Nevertheless, unmet need remains since most individuals demonstrate lung function decline 5 years after initiating treatment. Whether altered FVC trajectory impacts respiratory failure incidence remains undetermined. TRIAL REGISTRATION This study was registered (NCT00231400) on ClinicalTrials.gov on September 30, 2005, retrospectively registered.
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Affiliation(s)
- Kenneth I Berger
- Division of Pulmonary, Critical Care and Sleep Medicine, NYU Grossman School of Medicine, and the André Cournand Pulmonary Physiology Laboratory, Bellevue Hospital, New York, NY, USA.
| | - Yin-Hsiu Chien
- Department of Medical Genetics, National Taiwan University Hospital, Taipei, Taiwan
| | - Alberto Dubrovsky
- Department of Neurology, Neuromuscular Disease Unit, Institute of Neuroscience, Favaloro Foundation, Buenos Aires, Argentina
| | - Priya S Kishnani
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Juan C Llerena
- Centro de Genética Médica, Instituto Fernandes Figueira/FIOCRUZ, Rio de Janeiro, Brazil
| | - Edward Neilan
- National Organization for Rare Disorders (NORD®), Quincy, MA, USA
| | | | - Bun Sheng
- Department of Medicine & Geriatrics, Princess Margaret Hospital, Lai Chi Kok, Hong Kong
| | | | | | | | - Ans T van der Ploeg
- Center for Lysosomal and Metabolic Diseases, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
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Benedetto L, Musumeci O, Giordano A, Porcino M, Ingrassia M. Assessment of Parental Needs and Quality of Life in Children with a Rare Neuromuscular Disease (Pompe Disease): A Quantitative-Qualitative Study. Behav Sci (Basel) 2023; 13:956. [PMID: 38131812 PMCID: PMC10741056 DOI: 10.3390/bs13120956] [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: 10/31/2023] [Revised: 11/16/2023] [Accepted: 11/16/2023] [Indexed: 12/23/2023] Open
Abstract
Pompe disease (PD) is a rare metabolic disorder with progressive neuromuscular consequences that negatively impact a child's development and quality of life (QoL). Despite an improved prognosis with treatment, the risk for early death due cardiorespiratory crisis remains. Parents not only face physical fatigue and family distress in coping with the child's special needs but also experience emotions, worries, and unexpressed needs (a "humanistic burden") that require supportive interventions. Fourteen parents of children with PD completed an online self-report questionnaire assessing their child's QoL, their own parental burden of care, and disease-related issues. The aim was to estimate the associations between the child's QoL and the caregiver's burden levels. Three mothers were also interviewed. A total of 57.1% of parents lived with moderate/severe burden conditions; worse QoL for the child was associated with higher levels of caregiver burden (rS[N = 14] = -0.67, p < 0.01). Uncertainty about the child's future was a state commonly described by mothers. However, the child's resilience, normalization of disease, and coping strategies (primarily positive appraisal and focusing on the present) alleviated suffering and helped mothers maintain family functioning. Finally, dissatisfaction with communication in relationships with professionals emerged. In conclusion, a typical pediatric palliative care approach is recommended since it manages to guarantee parents empathetic and supportive communication from healthcare professionals, alleviating feelings of isolation and loneliness in parents.
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Affiliation(s)
- Loredana Benedetto
- Department of Clinical and Experimental Medicine, University of Messina, AOU “G. Martino”, 98125 Messina, Italy; (L.B.); (O.M.); (A.G.); (M.P.)
| | - Olimpia Musumeci
- Department of Clinical and Experimental Medicine, University of Messina, AOU “G. Martino”, 98125 Messina, Italy; (L.B.); (O.M.); (A.G.); (M.P.)
- Unit of Neurology and Neuromuscular Disorders, Regional Reference Centre for Rare Neurological and Neuromuscular Diseases, AOU “G. Martino”, 98125 Messina, Italy
| | - Annunziata Giordano
- Department of Clinical and Experimental Medicine, University of Messina, AOU “G. Martino”, 98125 Messina, Italy; (L.B.); (O.M.); (A.G.); (M.P.)
| | - Mattia Porcino
- Department of Clinical and Experimental Medicine, University of Messina, AOU “G. Martino”, 98125 Messina, Italy; (L.B.); (O.M.); (A.G.); (M.P.)
- Unit of Neurology and Neuromuscular Disorders, Regional Reference Centre for Rare Neurological and Neuromuscular Diseases, AOU “G. Martino”, 98125 Messina, Italy
| | - Massimo Ingrassia
- Department of Clinical and Experimental Medicine, University of Messina, AOU “G. Martino”, 98125 Messina, Italy; (L.B.); (O.M.); (A.G.); (M.P.)
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Ditters IAM, van Kooten HA, van der Beek NAME, Hardon JF, Ismailova G, Brusse E, Kruijshaar ME, van der Ploeg AT, van den Hout JMP, Huidekoper HH. Home-Based Infusion of Alglucosidase Alfa Can Safely be Implemented in Adults with Late-Onset Pompe Disease: Lessons Learned from 18,380 Infusions. BioDrugs 2023; 37:685-698. [PMID: 37326923 PMCID: PMC10432339 DOI: 10.1007/s40259-023-00609-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Enzyme replacement therapy (ERT) with alglucosidase alfa is the treatment for patients with Pompe disease, a hereditary metabolic myopathy. Home-based ERT is unavailable in many countries because of the boxed warning alglucosidase alfa received due to the risk of infusion-associated reactions (IARs). Since 2008, home infusions have been provided in The Netherlands. OBJECTIVES This study aimed to provide an overview of our experience with home-based infusions with alglucosidase alfa in adult Pompe patients, focusing on safety, including management of IARs. METHOD We analysed infusion data and IARs from adult patients starting ERT between 1999 and 2018. ERT was initially given in the hospital during the first year. Patients were eligible for home treatment if they were without IARs for multiple consecutive infusions and if a trained home nurse, with on-call back-up by a doctor, was available. The healthcare providers graded IARs. RESULTS We analysed data on 18,380 infusions with alglucosidase alfa in 121 adult patients; 4961 infusions (27.0%) were given in hospital and 13,419 (73.0%) were given at home. IARs occurred in 144 (2.9%) hospital infusions and 113 (0.8%) home infusions; 115 (79.9% of 144) IARs in hospital and 104 (92.0% of 113) IARs at home were mild, 25 IARs (17.4%) in hospital and 8 IARs (7.1%) at home were moderate, and very few severe IARs occurred (4 IARs in hospital [2.8%] and 1 IAR at home [0.9%]). Only one IAR in the home situation required immediate clinical evaluation in the hospital. CONCLUSION Given the small numbers of IARs that occurred with the home infusions, of which only one was severe, we conclude that alglucosidase alfa can be administered safely in the home situation, provided the appropriate infrastructure is present.
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Affiliation(s)
- Imke A M Ditters
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Harmke A van Kooten
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Nadine A M E van der Beek
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Jacqueline F Hardon
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Gamida Ismailova
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Esther Brusse
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Michelle E Kruijshaar
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Ans T van der Ploeg
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands.
| | - Johanna M P van den Hout
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Hidde H Huidekoper
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
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Brassier A, Pichard S, Schiff M, Bouchereau J, Bérat CM, Caillaud C, Pion A, Khraiche D, Fauroux B, Oualha M, Barnerias C, Desguerre I, Hully M, Maquet M, Deladrière E, de Lonlay P, Gitiaux C. Motor outcomes in patients with infantile and juvenile Pompe disease: Lessons from neurophysiological findings. Mol Genet Metab 2023; 139:107650. [PMID: 37454519 DOI: 10.1016/j.ymgme.2023.107650] [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: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023]
Abstract
In Infantile Onset Pompe Disease (IOPD), enzyme replacement therapy (ERT) may improve survival, cardiac function, and motor development. However, even with early enzyme replacement therapy, some patients experienced poor response to ERT and abnormal motor milestones that could be due to motor neuron involvement. In this long-term retrospective study, we analyzed concomitant clinical motor outcomes and electroneuromyography (ENMG) findings in patients with IOPD and Juvenile Onset Pompe Disease (JOPD). Twenty-nine pediatric patients were included and 20 surviving were analyzed for neuromotor studies: 12 had IOPD (group 1), 4 had JOPD (group 2) and 4 (group 3) received ERT in the first month of age. Motor nerve conduction studies were mostly normal. Needle EMG performed at diagnosis always indicated the existence of myopathy that responded to ERT. Two IOPD patients (group 1) presenting with mixed motor neuropathy and myopathy displayed a poor outcome and never walked. Two patients became non-walkers (one IOPD patient and one patient of group 3) at respectively 9 and 3 years of age. One JOPD patient is about to lose walking ability. This motor deterioration was associated with the development of a motor neuropathy. Patients older than 10 years of age develop a motor neuropathy. Initial or secondary motor neuron involvement seems to be associated with a poor motor outcome showing that ERT may fail to prevent the accumulation of glycogen in motor neuron. Neurophysiological findings are important to assess severity of motor neuron damage in all Pompe pediatric patients and should be systematically performed.
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Affiliation(s)
- Anaïs Brassier
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France.
| | - Samia Pichard
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France
| | - Manuel Schiff
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France; INSERM UMRS_1163, Imagine Institute, Paris, France
| | - Juliette Bouchereau
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France
| | - Claire-Marine Bérat
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France
| | - Catherine Caillaud
- Biochemistry Unit, Biology Department, Assistance Publique Hôpitaux de Paris (AP-HP), Necker-Enfants-Malades University Hospital, Paris, France; Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, F-75015 Paris, France
| | - Aude Pion
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France
| | - Diala Khraiche
- Department of Pediatric cardiology, Necker-Enfants malades Hospital, University of Paris, AP-HP, Paris, France
| | - Brigitte Fauroux
- Pediatric Noninvasive Ventilation and Sleep Unit, Necker University Hospital, Paris, Paris Descartes University, Paris, Research Unit INSERM U 955, Team 13, Creteil, France
| | - Mehdi Oualha
- Pediatric Intensive Care Unit, Necker-Enfants-Malades University Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Christine Barnerias
- Reference Center for neuromuscular diseases, Necker-Enfants-Malades University Hospital, APHP, FILNEMUS, Paris, France
| | - Isabelle Desguerre
- Reference Center for neuromuscular diseases, Necker-Enfants-Malades University Hospital, APHP, FILNEMUS, Paris, France
| | - Marie Hully
- Department of Pediatric Rehabilitation, Necker-Enfants malades Hospital, University of Paris, AP-HP, Paris, France
| | - Marion Maquet
- Department of Pediatric Rehabilitation, Necker-Enfants malades Hospital, University of Paris, AP-HP, Paris, France
| | - Elodie Deladrière
- Department of Pediatric Rehabilitation, Necker-Enfants malades Hospital, University of Paris, AP-HP, Paris, France
| | - Pascale de Lonlay
- Reference Center for Inherited Metabolic Diseases, Necker-Enfants-Malades University Hospital, APHP, Imagine Institute, G2M, MetabERN, Paris, France; INSERM U1151, Institut Necker Enfants-Malades (INEM), Paris, France
| | - Cyril Gitiaux
- Reference Center for neuromuscular diseases, Necker-Enfants-Malades University Hospital, APHP, FILNEMUS, Paris, France; Department of Pediatric Neurophysiology, Necker-Enfants malades Hospital, University of Paris, AP-HP, Paris, France
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Ditters IAM, van der Beek NAME, Brusse E, van der Ploeg AT, van den Hout JMP, Huidekoper HH. Home-based enzyme replacement therapy in children and adults with Pompe disease; a prospective study. Orphanet J Rare Dis 2023; 18:108. [PMID: 37158969 PMCID: PMC10169363 DOI: 10.1186/s13023-023-02715-4] [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: 02/13/2023] [Accepted: 04/30/2023] [Indexed: 05/10/2023] Open
Abstract
BACKGROUND Pompe disease is a lysosomal storage disease treated with life-long enzyme replacement therapy (ERT). Home-based ERT has been provided in the Netherlands since 2008 because it diminishes the burden of treatment, increases patient flexibility and autonomy, and is thus a more patient-centred approach to ERT. METHODS All Dutch Pompe patients receiving alglucosidase alfa infusions at home were approached to participate in a questionnaire to validate the safety of home-based ERT. Prospective data on symptoms occurring during or within 48 h after infusion and retrospective data on infusion associated reactions (IARs) in the last three months were collected four times during one year. RESULTS In total, 116 out of 120 eligible patients (17 classic infantile, 2 atypical infantile, 15 childhood onset and 82 adult) filled out 423 questionnaires (response rate: 88.1%). Symptoms during or after infusion were reported 27 times in 17 patients. Fatigue was the most commonly reported health complaint (in 9.5% of patients). Four health complaints were judged to be IARs and reported to the Erasmus MC University Medical Center. None of the IARs reported in this study warranted emergency clinical care. CONCLUSIONS Our data demonstrate that home-based ERT in Pompe disease can be safely implemented as few, mostly mild, symptoms were reported during or after infusion. Insights from this study can be used as a base for implementing home-based ERT in other countries and to further optimize patient care, as unreported mild symptoms do not pose a health risk but may still be relevant to the patient.
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Affiliation(s)
- Imke A M Ditters
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Nadine A M E van der Beek
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Esther Brusse
- Department of Neurology, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Ans T van der Ploeg
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Johanna M P van den Hout
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands
| | - Hidde H Huidekoper
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Sophia Children's Hospital, PO Box 2060, 3000 CB, Rotterdam, The Netherlands.
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Scheffers LE, Kok R, van den Berg LE, Jmp H, Boersma E, van Capelle CI, Helbing WA, Ploeg AT, Koopman LP. Effects of enzyme replacement therapy on cardiac function in classic infantile Pompe disease. Int J Cardiol 2023; 380:65-71. [PMID: 36893858 DOI: 10.1016/j.ijcard.2023.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/17/2023] [Accepted: 03/05/2023] [Indexed: 03/09/2023]
Abstract
OBJECTIVE Patients with classic infantile Pompe disease are born with a hypertrophic cardiomyopathy, which resolves after treatment with Enzyme replacement therapy (ERT). We aimed to assess potential deterioration of cardiac function over time using myocardial deformation analysis. METHODS Twenty-seven patients treated with ERT were included. Cardiac function was assessed at regular time intervals (before and after start with ERT) using conventional echocardiography and myocardial deformation analysis. Separate linear mixed effect models were used to asses temporal changes within the first year and the long-term follow-up period. Echocardiograms of 103 healthy children served as controls. RESULTS A total of 192 echocardiograms were analyzed. Median follow-up was 9.9 years (IQR: 7.5-16.3). Mean LVMI before start of ERT was increased 292.3 g/m2 (95% CI: 202.8-381.8, mean Z-score + 7.6) and normalized after 1 year of ERT 87.3 g/m2 (CI: 67.5-107.1, mean Z-score + 0.8, p < 0.001). Mean shortening fraction was within normal limits before start of ERT, up to 22 years of follow-up. Cardiac function measured by RV/LV longitudinal, and circumferential strain was diminished before start of ERT, but normalized (<-16%) within 1 year after start of ERT, and all remained within normal limits during follow-up. Only LV circumferential strain gradually worsened in Pompe patients (+0.24%/year) during follow-up compared to controls. LV longitudinal strain was diminished in Pompe patients, but did not change significantly over time compared to controls. CONCLUSION Cardiac function, measured using myocardial deformation analysis, normalizes after start of ERT, and seems to remain stable over a median follow-up period of 9.9 years.
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Affiliation(s)
- L E Scheffers
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC- Sophia children's hospital, Rotterdam, the Netherlands.
| | - R Kok
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
| | - L E van den Berg
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus MC- Sophia children's hospital, Rotterdam, the Netherlands; Department of Orthopedics and Sports Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Hout Jmp
- Center for Lysosomal and Metabolic Diseases, Erasmus MC- Sophia children's hospital, Rotterdam, the Netherlands
| | - E Boersma
- Department of Cardiology, Erasmus MC- Sophia children's hospital, Rotterdam, the Netherlands
| | - C I van Capelle
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
| | - W A Helbing
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands; Department of Pediatrics, division of Cardiology, Radboud umc - Amalia Children's Hospital, Nijmegen, the Netherlands; Department of Radiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
| | - A T Ploeg
- Center for Lysosomal and Metabolic Diseases, Erasmus MC- Sophia children's hospital, Rotterdam, the Netherlands
| | - L P Koopman
- Department of Pediatric Cardiology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
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Domínguez-González C, Díaz-Marín C, Juntas-Morales R, Nascimiento-Osorio A, Rivera-Gallego A, Díaz-Manera J. Survey on the management of Pompe disease in routine clinical practice in Spain. Orphanet J Rare Dis 2022; 17:426. [PMID: 36471448 PMCID: PMC9724265 DOI: 10.1186/s13023-022-02574-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 11/20/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Despite the availability of several clinical guidelines, not all health professionals use their recommendations to manage patients with Pompe disease, a rare genetic disorder involving high-impact therapy. Through several discussion meetings and a survey, the present study aimed to learn about the management of Pompe disease in routine clinical practice in Spain, to improve clinical care in a real-life situation. RESULTS The survey was sent to 42 healthcare professionals who manage patients with Pompe disease in their clinical practice. Although most respondents followed the clinical guidelines, clinical practice differed from the expert recommendations in many cases. Approximately 7% did not request a genetic study to confirm the diagnosis before starting treatment, and 21% considered that only two dried blood spot determinations suffice to establish the diagnosis. About 76% requested anti-GAA antibodies when there is a suspicion of lack of treatment efficacy, though a significant percentage of respondents have never requested such antibodies. According to 31% of the respondents, significant impairment of motor function and/or respiratory insufficiency is a requirement for authorizing medication at their hospital. Up to 26% waited for improvements over the clinical follow-up to maintain treatment and withdrew it in the absence of improvement since they did not consider disease stabilization to be a satisfactory outcome. CONCLUSIONS The results highlight the lack of experience and/or knowledge of some professionals caring for patients with Pompe disease. It is necessary to develop and disseminate simple guidelines that help to apply the expert recommendations better or centralize patient follow-up in highly specialized centers.
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Affiliation(s)
- Cristina Domínguez-González
- grid.413448.e0000 0000 9314 1427Neuromuscular Unit, Neurology Department, Hospital Universitario 12 de Octubre, imas12 Research Institute, Biomedical Network Research Center on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Av. de Córdoba, s/n, 28041 Madrid, Spain
| | - Carmina Díaz-Marín
- grid.513062.30000 0004 8516 8274Neurology Department, Hospital General Universitario de Alicante Doctor Balmis, Instituto de Investigación Biosanitaria de Alicante (ISABIAL), Alicante, Spain
| | - Raúl Juntas-Morales
- grid.430994.30000 0004 1763 0287Neuromuscular Unit, Neurology Department, Hospital Universitario Vall d’Hebron. Peripheral Nervous System Group, Vall d’Hebron Institute of Research (VHIR), Barcelona, Spain
| | - Andrés Nascimiento-Osorio
- grid.413448.e0000 0000 9314 1427Neuromuscular Unit, Neurology Department, Hospital Sant Joan de Déu, Applied Research in Neuromuscular Diseases, Institut de Recerca Sant Joan de Déu, Center for Biomedical Research Network On Rare Diseases (CIBERER), ISCIII, Barcelona, Spain
| | - Alberto Rivera-Gallego
- grid.411855.c0000 0004 1757 0405Systemic Rare Diseases Unit, Department of Internal Medicine, Hospital Universitario Alvaro Cunqueiro, Vigo, Spain
| | - Jordi Díaz-Manera
- grid.1006.70000 0001 0462 7212John Walton Muscular Dystrophy Research Center, Newcastle University Translational and Clinical Research Institute, Newcastle Upon Tyne, UK ,grid.413396.a0000 0004 1768 8905Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
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Holzwarth J, Minopoli N, Pfrimmer C, Smitka M, Borrel S, Kirschner J, Muschol N, Hartmann H, Hennermann JB, Neubauer BA, Hobbiebrunken E, Husain RA, Hahn A. Clinical and Genetic Aspects of Juvenile Onset Pompe Disease. Neuropediatrics 2022; 53:39-45. [PMID: 34852371 DOI: 10.1055/s-0041-1735250] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Little is known about clinical symptomatology and genetics of juvenile onset Pompe disease (JOPD). The aims of this study were to analyze how these children are diagnosed, what clinical problems they have, and how phenotype is related to genotype. To accomplish this, we analyzed retrospectively data of 34 patients diagnosed after their first and before completion of their 18th birthday. Median age at diagnosis was 3.9 (range 1.1-17) years. Eight patients (23.5%) developed initial symptoms in the first year, 12 (35%) between 1 and 7 years, and 6 (18%) thereafter. Eight (23.5%) had no clinical symptoms at the time of diagnosis. Indications for diagnostics were a positive family history in three (9%), hyperCKemia in eight (23.5%), motor developmental delay in three (9%), and muscle weakness and/or pain in 17 (50%). Rare clinical signs were failure to thrive, recurrent diarrhea, and suspected hepatopathy with glycogen storage. Thirty-two different mutations were identified. Twenty-seven patients (79.5%) carried the milder c.32-13T > G mutation, known to be associated with a broad range of phenotypes. Three out of eight patients manifesting within the first year of life showed generalized muscle weakness, hypertrophic cardiomyopathy, and had to be ventilated during the course of disease, thereby demonstrating clinical overlap with infantile onset Pompe disease.These findings demonstrate that the phenotype of JOPD is broad and that the differential is not only restricted to neuromuscular disorders. Genotypic analysis was useful to delineate subjects with early onset JOPD from those with IOPD, but overall genotype-phenotype correlation was poor.
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Affiliation(s)
- Johanna Holzwarth
- Department of Child Neurology, Justus-Liebig University Gießen, Germany
| | - Nadja Minopoli
- Department of Child Neurology, Justus-Liebig University Gießen, Germany
| | | | - Martin Smitka
- Children's hospital, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Sabine Borrel
- Department of Neuropediatrics and Muscle Disorders, Medical Center-University of Freiburg, Freiburg, Germany
| | - Janbernd Kirschner
- Department of Neuropediatrics and Muscle Disorders, Medical Center-University of Freiburg, Freiburg, Germany
| | - Nicole Muschol
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hans Hartmann
- Hannover Medical School, Clinic for Pediatric Kidney, Liver and Metabolic Diseases, Hannover, Germany
| | - Julia B Hennermann
- Villa Metabolica, Department of Pediatric and Adolescent Medicine, University Medical Center Mainz, Mainz, Germany
| | - Bernd A Neubauer
- Department of Child Neurology, Justus-Liebig University Gießen, Germany
| | - Elke Hobbiebrunken
- Department of Pediatrics and Adolescent Medicine, Division of Pediatric Neurology, University Medical Center Göttingen, Georg August University, Göttingen, Germany
| | - Ralf A Husain
- Centre for Inborn Metabolic Disorders, Department of Neuropediatrics, Jena University Hospital, Jena, Germany
| | - Andreas Hahn
- Department of Child Neurology, Justus-Liebig University Gießen, Germany
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9
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Rosen CL. Sleep-Disordered Breathing (SDB) in Pediatric Populations. Respir Med 2022. [DOI: 10.1007/978-3-030-93739-3_11] [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: 10/18/2022]
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10
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Long-term effects of enzyme replacement therapy in an elderly cohort of late-onset Pompe disease. Neuromuscul Disord 2022; 32:195-205. [DOI: 10.1016/j.nmd.2022.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/06/2022] [Accepted: 01/07/2022] [Indexed: 10/19/2022]
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11
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Tarallo A, Damiano C, Strollo S, Minopoli N, Indrieri A, Polishchuk E, Zappa F, Nusco E, Fecarotta S, Porto C, Coletta M, Iacono R, Moracci M, Polishchuk R, Medina DL, Imbimbo P, Monti DM, De Matteis MA, Parenti G. Correction of oxidative stress enhances enzyme replacement therapy in Pompe disease. EMBO Mol Med 2021; 13:e14434. [PMID: 34606154 PMCID: PMC8573602 DOI: 10.15252/emmm.202114434] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 09/15/2021] [Accepted: 09/20/2021] [Indexed: 02/06/2023] Open
Abstract
Pompe disease is a metabolic myopathy due to acid alpha-glucosidase deficiency. In addition to glycogen storage, secondary dysregulation of cellular functions, such as autophagy and oxidative stress, contributes to the disease pathophysiology. We have tested whether oxidative stress impacts on enzyme replacement therapy with recombinant human alpha-glucosidase (rhGAA), currently the standard of care for Pompe disease patients, and whether correction of oxidative stress may be beneficial for rhGAA therapy. We found elevated oxidative stress levels in tissues from the Pompe disease murine model and in patients' cells. In cells, stress levels inversely correlated with the ability of rhGAA to correct the enzymatic deficiency. Antioxidants (N-acetylcysteine, idebenone, resveratrol, edaravone) improved alpha-glucosidase activity in rhGAA-treated cells, enhanced enzyme processing, and improved mannose-6-phosphate receptor localization. When co-administered with rhGAA, antioxidants improved alpha-glucosidase activity in tissues from the Pompe disease mouse model. These results indicate that oxidative stress impacts on the efficacy of enzyme replacement therapy in Pompe disease and that manipulation of secondary abnormalities may represent a strategy to improve the efficacy of therapies for this disorder.
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Affiliation(s)
- Antonietta Tarallo
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Carla Damiano
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Sandra Strollo
- Telethon Institute of Genetics and MedicinePozzuoliItaly
| | - Nadia Minopoli
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Alessia Indrieri
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Institute for Genetic and Biomedical Research (IRGB)National Research Council (CNR)MilanItaly
| | | | - Francesca Zappa
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Present address:
Department of Molecular, Cellular, and Developmental BiologyUniversity of CaliforniaSanta BarbaraCAUSA
| | - Edoardo Nusco
- Telethon Institute of Genetics and MedicinePozzuoliItaly
| | - Simona Fecarotta
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Caterina Porto
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Marcella Coletta
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
- Present address:
IInd Division of NeurologyMultiple Sclerosis CenterUniversity of Campania "Luigi Vanvitelli"NaplesItaly
| | - Roberta Iacono
- Department of BiologyUniversity of Naples "Federico II", Complesso Universitario di Monte S. AngeloNaplesItaly
- Institute of Biosciences and BioResources ‐ National Research Council of ItalyNaplesItaly
| | - Marco Moracci
- Department of BiologyUniversity of Naples "Federico II", Complesso Universitario di Monte S. AngeloNaplesItaly
- Institute of Biosciences and BioResources ‐ National Research Council of ItalyNaplesItaly
| | | | - Diego Luis Medina
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
| | - Paola Imbimbo
- Department of Chemical SciencesFederico II UniversityNaplesItaly
| | | | - Maria Antonietta De Matteis
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Molecular Medicine and Medical BiotechnologiesFederico II UniversityNaplesItaly
| | - Giancarlo Parenti
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesFederico II UniversityNaplesItaly
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12
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Sarah B, Giovanna B, Emanuela K, Nadi N, Josè V, Alberto P. Clinical efficacy of the enzyme replacement therapy in patients with late-onset Pompe disease: a systematic review and a meta-analysis. J Neurol 2021; 269:733-741. [PMID: 33851281 PMCID: PMC8782782 DOI: 10.1007/s00415-021-10526-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 01/10/2023]
Abstract
In patients with late-onset Pompe disease (LOPD), the efficacy of the enzyme replacement therapy (ERT) with recombinant human alpha-glucosidase (rhGAA) is difficult to evaluate, due to the clinical heterogeneity and the small sample sizes in published studies. Therefore, we conduct a systematic literature review and meta-analysis of the literature to evaluate the efficacy of ERT in LOPD patients considering the walking distance, respiratory function and muscle strength. Particularly, six-minute walk test (6MWT), forced vital capacity (FVC), medical research council (MRC) grading, quantitative muscle testing (QMT), and quick motor function test (QMFT) were outcomes of interest. Overall, 619 studies were identified in PubMed, EMBASE and by manual search on July 18th, 2020. After an initial assessment, 16 studies were included in the meta-analysis, containing clinical data from 589 patients with LOPD. For the 6MWT, 419 patients were analyzed. Walking distance improved on average, 32.2 m greater during the observed period (p = 0.0003), compared to the distance at the baseline. The meta-analysis did not show any improvement in FVC and only a tendency towards better muscle strength after treatment with ERT, but the difference was not statistically significant. In conclusion, the available data showed that ERT has a significant beneficial efficacy in the improvement of walking distance in LOPD patients and a non-significant improvement of muscle strength. No improvement in respiratory capacity was found. More prospective and controlled trials are needed to demonstrate a clear clinical benefit of ERT.
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Affiliation(s)
- Berli Sarah
- Institute for Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Brandi Giovanna
- Institute for Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland.
| | - Keller Emanuela
- Institute for Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland.,Department of Neurosurgery and Clinical Neuroscience Center, University Hospital and University of Zurich, Zurich, Switzerland
| | - Najia Nadi
- Institute for Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Vitale Josè
- Intensive Care Unit, Regional Hospital Mendrisio, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.,Centro Medico, Mendrisio, Switzerland
| | - Pagnamenta Alberto
- Intensive Care Unit, Regional Hospital Mendrisio, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.,Unit of Biostatistics, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.,Division of Pneumology, University Hospital of Geneva, Geneva, Switzerland
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13
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Reyes-Leiva D, Alonso-Pérez J, Mayos M, Nuñez-Peralta C, Llauger J, Belmonte I, Pedrosa-Hernández I, Segovia S, Díaz-Manera J. Correlation Between Respiratory Accessory Muscles and Diaphragm Pillars MRI and Pulmonary Function Test in Late-Onset Pompe Disease Patients. Front Neurol 2021; 12:621257. [PMID: 33732206 PMCID: PMC7957052 DOI: 10.3389/fneur.2021.621257] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 01/13/2021] [Indexed: 12/11/2022] Open
Abstract
Objectives: Pompe disease is a rare genetic disease produced by mutations in the GAA gene leading to progressive skeletal and respiratory muscle weakness. T1-weighted magnetic resonance imaging is useful to identify fatty replacement in skeletal muscles of late-onset Pompe disease (LOPD) patients. Previous studies have shown that replacement by fat correlates with worse results of muscle function tests. Our aim was to investigate if fat replacement of muscles involved in the ventilation process correlated with results of the spirometry and predicted respiratory muscle impairment in LOPD patients over time. Materials and Methods: We studied a cohort of 36 LOPD patients followed up annually in our center for a period of 4 years. We quantified muscle fat replacement using Mercuri score of the thoracic paraspinal and abdominal muscles and the pillars of the diaphragm. We correlated the combined Mercuri scores of these areas with spirometry results and the need of respiratory support. Results: We found a statistically significant correlation (Spearman test, p < 0.05; coefficient of correlation > 0.6) between forced vital capacity seated and lying and fat fraction score of all muscle groups studied. The group of patients who needed respiratory support had higher fat fraction scores than patients not requiring ventilatory support. Higher fat replacement in these areas correlated with worse progression in spirometry values over time. Conclusions: Fat replacement of paraspinal, abdominal, and trunk muscles correlates with results of spirometry and is able to predict worsening in respiratory muscle function tests that could lead to an emerging ventilatory dysfunction. Therefore, the identification of fat replacement in these muscle groups should lead to a closer monitorization of patients. Radiologic evaluation of diaphragm pillars in T1-weighted imaging axial sequences could also be helpful to predict respiratory insufficiency.
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Affiliation(s)
- David Reyes-Leiva
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain
| | - Jorge Alonso-Pérez
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain
| | - Mercedes Mayos
- Pneumology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | | | - Jaume Llauger
- Radiology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Izaskun Belmonte
- Rehabilitation and Physiotherapy Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Irene Pedrosa-Hernández
- Rehabilitation and Physiotherapy Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Sonia Segovia
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain
| | - Jordi Díaz-Manera
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain.,John Walton Muscular Dystrophy Research Center, Newcastle University, Newcastle, United Kingdom
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14
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Hahn A, Lampe C, Boentert M, Hundsberger T, Löscher W, Wenninger S, Ziegler A, Lagler F, Ballhausen D, Schlegel T, Schoser B. [Home infusion therapy for Pompe disease: Recommendations for German-speaking countries]. FORTSCHRITTE DER NEUROLOGIE-PSYCHIATRIE 2021; 89:630-636. [PMID: 33561874 DOI: 10.1055/a-1365-8977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Pompe disease is a lysosomal multisystem disorder with predominant proximal myopathy. Treatment with enzyme replacement therapy (ERT) is available requiring life-long biweekly infusions of recombinant α-glucosidase. To minimize the burden of ERT patients ask for home infusion therapy. AIMS AND METHODS Pompe disease experts from Germany, Austria, and Switzerland discussed in two consensus meetings in 2019 and 2020 requirements for home infusion therapy, adequate execution of treatment, and the legal situation for delegating physicians. RESULTS AND DISCUSSION Home infusion therapy is principally feasible for patients with Pompe disease if certain preconditions are fulfilled, but the decision to implement has to be made on an individual basis. The treating physician delegates the execution of ERT ad personam to nursing staff but retains full legal responsibility. Home infusion therapy has to be carried out by specially trained and qualified staff. Infusion-related risks comprise mainly allergic reactions, and adequate medical treatment must be warranted. In German-speaking countries, clear rules for conducting home infusion therapy are needed to reduce psychosocial stress for patients with Pompe disease, and providing legal certainty for delegating physicians.
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Affiliation(s)
- Andreas Hahn
- Abteilung Kinderneurologie, Sozialpädiatrie und Epileptologie, Universitätsklinikum Gießen und Marburg GmbH Standort Gießen, Deutschland
| | - Christina Lampe
- Abteilung Kinderneurologie, Sozialpädiatrie und Epileptologie, Universitätsklinikum Gießen und Marburg GmbH Standort Gießen, Deutschland
| | - Matthias Boentert
- Klinik für Neurologie mit Institut für Translationale Neurologie, Universitätsklinikum Münster; Klinik für Innere Medizin, Bereich Neurologie, UKM-Marienhospital Steinfurt
| | | | - Wolfgang Löscher
- Department Neurologie, Medizinische Universität Innsbruck, Österreich
| | - Stephan Wenninger
- Friedrich-Baur- Institut der Neurologischen Klinik , Klinikum der Universität München, Deutschland
| | - Andreas Ziegler
- Sektion für Neuropädiatrie und Stoffwechselmedizin, Zentrum für Kinder- und Jugendmedizin, Universitätsklinikum Heidelberg
| | - Florian Lagler
- Universitätsklinik für Kinder- und Jugendheilkunde Paracelsus Medizinische Privatuniversität Salzburg
| | - Diana Ballhausen
- Unité pédiatrique des maladies métaboliques, Département Femme-Mère-Enfant, Centre Hospitalier Universitaire Vaudois (CHUV)
| | - Thomas Schlegel
- Kanzlei für Medizinrecht (Prof. Schlegel, Hohmann & Partner)
| | - Benedikt Schoser
- Friedrich-Baur- Institut der Neurologischen Klinik , Klinikum der Universität München, Deutschland
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15
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Manta A, Spendiff S, Lochmüller H, Thompson R. Targeted Therapies for Metabolic Myopathies Related to Glycogen Storage and Lipid Metabolism: a Systematic Review and Steps Towards a 'Treatabolome'. J Neuromuscul Dis 2021; 8:401-417. [PMID: 33720849 PMCID: PMC8203237 DOI: 10.3233/jnd-200621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND Metabolic myopathies are a heterogenous group of muscle diseases typically characterized by exercise intolerance, myalgia and progressive muscle weakness. Effective treatments for some of these diseases are available, but while our understanding of the pathogenesis of metabolic myopathies related to glycogen storage, lipid metabolism and β-oxidation is well established, evidence linking treatments with the precise causative genetic defect is lacking. OBJECTIVE The objective of this study was to collate all published evidence on pharmacological therapies for the aforementioned metabolic myopathies and link this to the genetic mutation in a format amenable to databasing for further computational use in line with the principles of the "treatabolome" project. METHODS A systematic literature review was conducted to retrieve all levels of evidence examining the therapeutic efficacy of pharmacological treatments on metabolic myopathies related to glycogen storage and lipid metabolism. A key inclusion criterion was the availability of the genetic variant of the treated patients in order to link treatment outcome with the genetic defect. RESULTS Of the 1,085 articles initially identified, 268 full-text articles were assessed for eligibility, of which 87 were carried over into the final data extraction. The most studied metabolic myopathies were Pompe disease (45 articles), multiple acyl-CoA dehydrogenase deficiency related to mutations in the ETFDH gene (15 articles) and systemic primary carnitine deficiency (8 articles). The most studied therapeutic management strategies for these diseases were enzyme replacement therapy, riboflavin, and carnitine supplementation, respectively. CONCLUSIONS This systematic review provides evidence for treatments of metabolic myopathies linked with the genetic defect in a computationally accessible format suitable for databasing in the treatabolome system, which will enable clinicians to acquire evidence on appropriate therapeutic options for their patient at the time of diagnosis.
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Affiliation(s)
- A. Manta
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - S. Spendiff
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - H. Lochmüller
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
- Department of Neuropediatrics and Muscle Disorders, Medical Center –University of Freiburg, Faculty of Medicine, Freiburg, Germany
- Centro Nacional de Análisis Genómico (CNAG-CRG), Center for Genomic Regulation, Barcelona Institute of Science and Technology (BIST), Barcelona, Catalonia, Spain
- Division of Neurology, Department of Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
- Brain and Mind Research Institute, University of Ottawa, Ottawa, Canada
| | - R. Thompson
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
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16
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Mendell JR, Al-Zaidy SA, Rodino-Klapac LR, Goodspeed K, Gray SJ, Kay CN, Boye SL, Boye SE, George LA, Salabarria S, Corti M, Byrne BJ, Tremblay JP. Current Clinical Applications of In Vivo Gene Therapy with AAVs. Mol Ther 2020; 29:464-488. [PMID: 33309881 PMCID: PMC7854298 DOI: 10.1016/j.ymthe.2020.12.007] [Citation(s) in RCA: 353] [Impact Index Per Article: 88.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/16/2020] [Accepted: 12/05/2020] [Indexed: 02/07/2023] Open
Abstract
Hereditary diseases are caused by mutations in genes, and more than 7,000 rare diseases affect over 30 million Americans. For more than 30 years, hundreds of researchers have maintained that genetic modifications would provide effective treatments for many inherited human diseases, offering durable and possibly curative clinical benefit with a single treatment. This review is limited to gene therapy using adeno-associated virus (AAV) because the gene delivered by this vector does not integrate into the patient genome and has a low immunogenicity. There are now five treatments approved for commercialization and currently available, i.e., Luxturna, Zolgensma, the two chimeric antigen receptor T cell (CAR-T) therapies (Yescarta and Kymriah), and Strimvelis (the gammaretrovirus approved for adenosine deaminase-severe combined immunodeficiency [ADA-SCID] in Europe). Dozens of other treatments are under clinical trials. The review article presents a broad overview of the field of therapy by in vivo gene transfer. We review gene therapy for neuromuscular disorders (spinal muscular atrophy [SMA]; Duchenne muscular dystrophy [DMD]; X-linked myotubular myopathy [XLMTM]; and diseases of the central nervous system, including Alzheimer’s disease, Parkinson’s disease, Canavan disease, aromatic l-amino acid decarboxylase [AADC] deficiency, and giant axonal neuropathy), ocular disorders (Leber congenital amaurosis, age-related macular degeneration [AMD], choroideremia, achromatopsia, retinitis pigmentosa, and X-linked retinoschisis), the bleeding disorder hemophilia, and lysosomal storage disorders.
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Affiliation(s)
- Jerry R Mendell
- Center of Gene Therapy, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, USA; Department of Pediatrics and Neurology, The Ohio State University, Columbus, OH, USA
| | | | | | - Kimberly Goodspeed
- Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX, USA
| | - Steven J Gray
- Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX, USA
| | | | - Sanford L Boye
- Department of Pediatrics, Powell Gene Therapy Center, University of Florida, Gainesville, FL, USA
| | - Shannon E Boye
- Division of Cellular and Molecular Therapeutics, University of Florida, Gainesville, FL, USA
| | - Lindsey A George
- Division of Hematology and the Perelman Center for Cellular and Molecular Therapeutics, Philadelphia, PA, USA; Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Stephanie Salabarria
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Manuela Corti
- Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, USA; Powell Gene Therapy Center, University of Florida, Gainesville, FL, USA
| | - Barry J Byrne
- Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, USA; Powell Gene Therapy Center, University of Florida, Gainesville, FL, USA
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17
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Semplicini C, De Antonio M, Taouagh N, Béhin A, Bouhour F, Echaniz-Laguna A, Magot A, Nadaj-Pakleza A, Orlikowski D, Sacconi S, Salort-Campana E, Solé G, Tard C, Zagnoli F, Hogrel JY, Hamroun D, Laforêt P. Long-term benefit of enzyme replacement therapy with alglucosidase alfa in adults with Pompe disease: Prospective analysis from the French Pompe Registry. J Inherit Metab Dis 2020; 43:1219-1231. [PMID: 32515844 DOI: 10.1002/jimd.12272] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/24/2020] [Accepted: 06/05/2020] [Indexed: 12/18/2022]
Abstract
Despite a wide clinical spectrum, the adult form of Pompe disease is the most common one, and represents more than 90% of diagnosed patients in France. Since the marketing of enzyme replacement therapy (alglucosidase alfa, Myozyme), all reports to date in adults demonstrated an improvement of the walking distance, and a trend toward stabilization of respiratory function, but the majority of these studies were less than 5 years of duration. We report here the findings from 158 treated patients included in the French Pompe Registry, who underwent regular clinical assessments based on commonly used standardized tests (6-minute walking test, MFM scale, sitting vital capacity, MIP and MEP). For longitudinal analyses, the linear mixed effects models were used to assess trends in primary endpoints over time under ERT. A two-phase model better described the changes in distance traveled in the 6-minute walk test and MFM. 6MWT showed an initial significant increase (1.4% ± 0.5/year) followed by a progressive decline (-2.3%/year), with a cut-off point at 2.2 years. A similar pattern was observed in total MFM score (6.6% ± 2.3/year followed by a - 1.1%/year decline after 0.5 years). A single-phase decline with a slope of -0.9 ± 0.1%/year (P < .001) was observed for FVC, and MEP remained stable over the all duration of follow-up. This study provides further evidence that ERT improves walking abilities and likely stabilizes respiratory function in adult patients with Pompe disease, with a ceiling effect for the 6MWT in the first 3 years of treatment.
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Affiliation(s)
- Claudio Semplicini
- Department of Neurosciences, University of Padova, Azienda Ospedaliera di Padova, Padova, Italy
- Centre de référence des pathologies neuromusculaires Nord-Est-Ile de France, Hôpital La Pitié-Salpêtrière, AP-HP, Paris, France
| | - Marie De Antonio
- Centre de référence des pathologies neuromusculaires Nord-Est-Ile de France, Hôpital La Pitié-Salpêtrière, AP-HP, Paris, France
| | - Nadjib Taouagh
- Institut de Myologie, Hôpital La Pitié-Salpétrière, AP-HP, Paris, France
| | - Anthony Béhin
- Centre de référence des pathologies neuromusculaires Nord-Est-Ile de France, Hôpital La Pitié-Salpêtrière, AP-HP, Paris, France
| | - Françoise Bouhour
- Service ENMG et pathologies neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | | | - Armelle Magot
- Centre de Référence des maladies neuromusculaires Nantes-Angers, Service des Explorations Fonctionnelles, CHU, Nantes, France
| | | | - David Orlikowski
- Pôle de ventilation à domicile, AP-HP, Hôpital Raymond Poincaré, Garches, France
- CIC 1429, INSERM, AP-HP, Hôpital Raymond Poincaré, Garches, France
| | - Sabrina Sacconi
- Centre de référence des Maladies Neuromusculaires, Hôpital Archet, Nice, France
- CNRS UMR7277, INSERM U1091, IBV - Institute of Biology Valrose, UNS Université Nice Sophia Antipolis, Faculté de Médecine, Parc Valrose, Nice, France
| | - Emmanuelle Salort-Campana
- Reference Center for Neuromuscular Diseases and ALS, La Timone University Hospital, Aix-Marseille University, Marseille, France
| | - Guilhem Solé
- AOC (Atlantique-Occitanie-Caraïbe) Reference Center for Neuromuscular Disorders, Nerve-Muscle Unit, CHU Bordeaux (Pellegrin Hospital), University of Bordeaux, Bordeaux, France
| | - Céline Tard
- CHU de Lille, Inserm U1171, Neurology Department, Reference Center for Neuromuscular Disorders, Lille, France
| | - Fabien Zagnoli
- CHRU Cavale-Blanche, boulevard Tanguy-Prigent, Brest, France
| | - Jean-Yves Hogrel
- Institut de Myologie, Hôpital La Pitié-Salpétrière, AP-HP, Paris, France
| | - Dalil Hamroun
- Direction de la Recherche et de l'Innovation, CHRU de Montpellier, Hôpital La Colombière, Montpellier, France
| | - Pascal Laforêt
- Centre de référence des maladies neuromusculaires Nord-Est-Ile de France, Service de Neurologie, CHU Raymond Poincaré, AP-HP, Garches, France
- INSERM U1179, END-ICAP, équipe Biothérapies des Maladies du Système Neuromusculaire, Université Versailles Saint-Quentin-en-Yvelines, Montigny-le-Bretonneux, France
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18
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van den Dorpel JJA, Poelman E, Harlaar L, van Kooten HA, van der Giessen LJ, van Doorn PA, van der Ploeg AT, van den Hout JMP, van der Beek NAME. Distal muscle weakness is a common and early feature in long-term enzyme-treated classic infantile Pompe patients. Orphanet J Rare Dis 2020; 15:247. [PMID: 32928284 PMCID: PMC7488760 DOI: 10.1186/s13023-020-01482-w] [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: 04/16/2020] [Accepted: 07/26/2020] [Indexed: 12/25/2022] Open
Abstract
Background Enzyme replacement therapy (ERT; alglucosidase alfa) has improved the prospects for patients with classic infantile Pompe disease considerably. However, over time we noticed that many of these children exhibit distal muscle weakness at an early age, which is in contrast to the primarily proximal and axial muscle weakness in patients with late-onset Pompe disease. This was reason to study the prevalence and severity of distal muscle weakness, and the sequence of muscle involvement over time in patients that had learned to walk under ERT. Methods In this prospective, single-center cohort study, we studied 16 classic infantile patients. We used video recordings that were made during regular standardized assessments to investigate distal muscle function (active dorsiflexion of the feet during walking; ability to use a pincer grasp/actively extend the fingers) and proximal muscle function (standing up from a supine position; raising the arms above the head). Results Median age at start of ERT was 3.2 months (0.1–5.8 months), median age at study end was 5.6 years (2.9–18.2 years). Six patients (6/16, 38%) initially had no evident signs of distal muscle weakness and developed a gait with active dorsiflexion of the feet. The other 10 patients never exhibited active dorsiflexion of the feet during walking. At study-end two patients showed no loss of distal muscle function. A subset of five patients (5/16, 31%) developed also weakness of the hands, particularly of the extensors of the 3rd and 4th digit. Conclusions We found that the majority (14/16, 88%) of patients who had learned to walk exhibited distal muscle weakness of the lower extremities, while a subset (5/16, 31%) also developed weakness of the hands. The distal muscle weakness was often more serious than, and preceded the development of, the proximal muscle weakness.
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Affiliation(s)
- J J A van den Dorpel
- Center for Lysosomal and Metabolic Diseases, Department of Pediatrics, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - E Poelman
- Center for Lysosomal and Metabolic Diseases, Department of Pediatrics, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - L Harlaar
- Center for Lysosomal and Metabolic Diseases, Department of Neurology, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - H A van Kooten
- Center for Lysosomal and Metabolic Diseases, Department of Neurology, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - L J van der Giessen
- Center for Lysosomal and Metabolic Diseases, Department of Pediatric Physiotherapy, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - P A van Doorn
- Center for Lysosomal and Metabolic Diseases, Department of Neurology, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - A T van der Ploeg
- Center for Lysosomal and Metabolic Diseases, Department of Pediatrics, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - J M P van den Hout
- Center for Lysosomal and Metabolic Diseases, Department of Pediatrics, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands
| | - N A M E van der Beek
- Center for Lysosomal and Metabolic Diseases, Department of Pediatrics, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands. .,Center for Lysosomal and Metabolic Diseases, Department of Neurology, Erasmus MC University Medical Center, P.O. Box 2060, Rotterdam, 3000, CB, The Netherlands.
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Hintze S, Limmer S, Dabrowska-Schlepp P, Berg B, Krieghoff N, Busch A, Schaaf A, Meinke P, Schoser B. Moss-Derived Human Recombinant GAA Provides an Optimized Enzyme Uptake in Differentiated Human Muscle Cells of Pompe Disease. Int J Mol Sci 2020; 21:ijms21072642. [PMID: 32290314 PMCID: PMC7177967 DOI: 10.3390/ijms21072642] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 12/22/2022] Open
Abstract
Pompe disease is an autosomal recessive lysosomal storage disorder (LSD) caused by deficiency of lysosomal acid alpha-glucosidase (GAA). The result of the GAA deficiency is a ubiquitous lysosomal and non-lysosomal accumulation of glycogen. The most affected tissues are heart, skeletal muscle, liver, and the nervous system. Replacement therapy with the currently approved enzyme relies on M6P-mediated endocytosis. However, therapeutic outcomes still leave room for improvement, especially with regard to skeletal muscles. We tested the uptake, activity, and effect on glucose metabolism of a non-phosphorylated recombinant human GAA produced in moss (moss-GAA). Three variants of moss-GAA differing in glycosylation pattern have been analyzed: two with terminal mannose residues in a paucimannosidic (Man3) or high-mannose (Man 5) configuration and one with terminal N-acetylglucosamine residues (GnGn). Compared to alglucosidase alfa the moss-GAA GnGn variant showed increased uptake in differentiated myotubes. Moreover, incubation of immortalized muscle cells of Gaa-/- mice with moss-GAA GnGn led to similarly efficient clearance of accumulated glycogen as with alglucosidase alfa. These initial data suggest that M6P-residues might not always be necessary for the cellular uptake in enzyme replacement therapy (ERT) and indicate the potential of moss-GAA GnGn as novel alternative drug for targeting skeletal muscle in Pompe patients.
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Affiliation(s)
- Stefan Hintze
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (S.H.); (S.L.); (P.M.)
| | - Sarah Limmer
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (S.H.); (S.L.); (P.M.)
| | | | - Birgit Berg
- Greenovation Biotech GmbH, 79108 Freiburg, Germany; (P.D.-S.); (B.B.); (N.K.); (A.B.); (A.S.)
| | - Nicola Krieghoff
- Greenovation Biotech GmbH, 79108 Freiburg, Germany; (P.D.-S.); (B.B.); (N.K.); (A.B.); (A.S.)
| | - Andreas Busch
- Greenovation Biotech GmbH, 79108 Freiburg, Germany; (P.D.-S.); (B.B.); (N.K.); (A.B.); (A.S.)
| | - Andreas Schaaf
- Greenovation Biotech GmbH, 79108 Freiburg, Germany; (P.D.-S.); (B.B.); (N.K.); (A.B.); (A.S.)
| | - Peter Meinke
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (S.H.); (S.L.); (P.M.)
| | - Benedikt Schoser
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (S.H.); (S.L.); (P.M.)
- Correspondence: ; Tel.: +49-(0)89-4400-57400; Fax: +49-(0)89-4400-57402
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Byrne BJ, Fuller DD, Smith BK, Clement N, Coleman K, Cleaver B, Vaught L, Falk DJ, McCall A, Corti M. Pompe disease gene therapy: neural manifestations require consideration of CNS directed therapy. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:290. [PMID: 31392202 DOI: 10.21037/atm.2019.05.56] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Pompe disease is a neuromuscular disease caused by a deficiency of the lysosomal enzyme acid alpha-glucosidase leading to lysosomal and cytoplasmic glycogen accumulation in neurons and striated muscle. In the decade since availability of first-generation enzyme replacement therapy (ERT) a better understanding of the clinical spectrum of disease has emerged. The most severe form of early onset disease is typically identified with symptoms in the first year of life, known as infantile-onset Pompe disease (IOPD). Infants are described at floppy babies with cardiac hypertrophy in the first few months of life. A milder form with late onset (LOPD) of symptoms is mostly free of cardiac involvement with slower rate of progression. Glycogen accumulation in the CNS and skeletal muscle is observed in both IOPD and LOPD. In both circumstances, multi-system disease (principally motoneuron and myopathy) leads to progressive weakness with associated respiratory and feeding difficulty. In IOPD the untreated natural history leads to cardiorespiratory failure and death in the first year of life. In the current era of ERT clinical outcomes are improved, yet, many patients have an incomplete response and a substantial unmet need remains. Since the neurological manifestations of the disease are not amenable to peripheral enzyme replacement, we set out to better understand the pathophysiology and potential for treatment of disease manifestations using adeno-associated virus (AAV)-mediated gene transfer, with the first clinical gene therapy studies initiated by our group in 2006. This review focuses on the preclinical studies and clinical study findings which are pertinent to the development of a comprehensive gene therapy strategy for both IOPD and LOPD. Given the advent of newborn screening, a significant focus of our recent work has been to establish the basis for repeat administration of AAV vectors to enhance neuromuscular therapeutic efficacy over the life span.
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Affiliation(s)
- Barry J Byrne
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - David D Fuller
- Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Barbara K Smith
- Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Nathalie Clement
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Kirsten Coleman
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Brian Cleaver
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | - Lauren Vaught
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
| | | | - Angela McCall
- Department of Pediatrics, Duke University, Durham, NC, USA
| | - Manuela Corti
- Department of Pediatrics and Powell Gene Therapy Center, Gainesville, University of Florida, Gainesville, FL, USA
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21
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Bergsma AJ, In 't Groen SLM, van den Dorpel JJA, van den Hout HJMP, van der Beek NAME, Schoser B, Toscano A, Musumeci O, Bembi B, Dardis A, Morrone A, Tummolo A, Pasquini E, van der Ploeg AT, Pijnappel WWMP. A genetic modifier of symptom onset in Pompe disease. EBioMedicine 2019; 43:553-561. [PMID: 30922962 PMCID: PMC6562017 DOI: 10.1016/j.ebiom.2019.03.048] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/08/2019] [Accepted: 03/18/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Neonatal screening for Pompe disease is complicated by difficulties in predicting symptom onset in patients with the common c.-32-13T>G (IVS1) variant/null (i.e. fully deleterious) acid α-glucosidase (GAA) genotype. This splicing variant occurs in 90% of Caucasian late onset patients, and is associated with a broad range of symptom onset. METHODS We analyzed a cohort of 143 compound heterozygous and 10 homozygous IVS1 patients, and we assessed ages at symptom onset, the presence of cis-acting single nucleotide variants (SNVs), and performed splicing analysis and enzyme activity assays. FINDINGS In compound heterozygous IVS1 patients, the synonymous variant c.510C>T was uniquely present on the IVS1 allele in 9/33 (27%) patients with childhood onset, but was absent from 110 patients with onset in adulthood. GAA enzyme activity was lower in fibroblasts from patients who contained c.510C>T than it was in patients without c.510C>T. By reducing the extent of leaky wild-type splicing, c.510C>T modulated aberrant splicing caused by the IVS1 variant. The deleterious effect of c.510C>T was also found in muscle cells, the main target cells in Pompe disease. In homozygous IVS1 patients, the c.510C>T variant was absent in 4/4 (100%) asymptomatic individuals and present in 3/6 (50%) symptomatic patients. In cells from homozygous IVS1 patients, c.510C>T caused reduced leaky wild-type splicing. INTERPRETATION c.510C>T is a genetic modifier in compound heterozygous and homozygous IVS1 patients. This finding is important for neonatal screening programs for Pompe disease. FUND: This work was funded by grants from Sophia Children's Hospital Foundation (SSWO, grant S17-32) and Metakids (2016-063).
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Affiliation(s)
- Atze J Bergsma
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - Stijn L M In 't Groen
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - Jan J A van den Dorpel
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - Hannerieke J M P van den Hout
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - Nadine A M E van der Beek
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - Benedikt Schoser
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University, Munich, Germany
| | - Antonio Toscano
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Olimpia Musumeci
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Bruno Bembi
- Academic Hospital "Santa Maria della Misericordia", Udine, Italy
| | - Andrea Dardis
- Academic Hospital "Santa Maria della Misericordia", Udine, Italy
| | - Amelia Morrone
- Neurofarba, University of Florence, Meyer Children's Hospital, Florence, Italy
| | | | | | - Ans T van der Ploeg
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands
| | - W W M Pim Pijnappel
- Department of Pediatrics, Erasmus University Medical Center, Rotterdam, Netherlands; Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, Netherlands; Center for Lysosomal and Metabolic Diseases, Erasmus University Medical Center, 3015 GE Rotterdam, Netherlands.
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22
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Kuperus E, van der Meijden JC, in ’t Groen SLM, Kroos MA, Hoogeveen-Westerveld M, Rizopoulos D, Martinez MYN, Kruijshaar ME, van Doorn PA, van der Beek NAME, van der Ploeg AT, Pijnappel WWMP. The ACE I/D polymorphism does not explain heterogeneity of natural course and response to enzyme replacement therapy in Pompe disease. PLoS One 2018; 13:e0208854. [PMID: 30532252 PMCID: PMC6285976 DOI: 10.1371/journal.pone.0208854] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/23/2018] [Indexed: 12/16/2022] Open
Abstract
The majority of children and adults with Pompe disease in the population of European descent carry the leaky splicing GAA variant c.-32-13T>G (IVS1) in combination with a fully deleterious GAA variant on the second allele. The phenotypic spectrum of this patient group is exceptionally broad, with symptom onset ranging from early infancy to late adulthood. In addition, the response to enzyme replacement therapy (ERT) varies between patients. The insertion/deletion (I/D) polymorphism of the angiotensin I-converting enzyme (ACE) has been suggested to be a modifier of disease onset and/or response to ERT. Here, we have investigated the effect of the ACE I/D polymorphism in a relatively large cohort of 131 children and adults with Pompe disease, of whom 112 were followed during treatment with ERT for 5 years. We assessed the use of wheelchair and mechanical ventilation, muscle strength assessed via manual muscle testing and hand-held dynamometry (HHD), distance walked on the six-minute walk test (6MWT), forced vital capacity (FVC) in sitting and supine position and daily-life activities assessed by R-PAct. Cross sectional analysis at first visit showed no differences between the genotypes with respect to age at first symptoms, diagnosis, wheelchair use, or ventilator use. Also response to ERT over 5 years assessed by linear mixed model analyses showed no significant differences between ACE groups for any of the outcome measures. The patient cohort contained 24 families with 54 siblings. Differences in ACE genotype could neither explain inter nor intra familial differences. We conclude that the ACE I/D polymorphism does not explain the large variation in disease severity and response to ERT observed among Pompe patients with the same c.-32-13T>G GAA variant.
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Affiliation(s)
- Esther Kuperus
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Neurology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Jan C. van der Meijden
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Stijn L. M. in ’t Groen
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Marian A. Kroos
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Marianne Hoogeveen-Westerveld
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Dimitris Rizopoulos
- Department of Biostatistics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Monica Yasmin Nino Martinez
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Michelle E. Kruijshaar
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Pieter A. van Doorn
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Neurology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Nadine A. M. E. van der Beek
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Neurology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- * E-mail: (WP); (NvdB)
| | - Ans T. van der Ploeg
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - W. W. M. Pim Pijnappel
- Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- * E-mail: (WP); (NvdB)
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23
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Ricci F, Brusa C, Rossi F, Rolle E, Placentino V, Berardinelli A, Pagliardini V, Porta F, Spada M, Mongini T. Functional assessment tools in children with Pompe disease: A pilot comparative study to identify suitable outcome measures for the standard of care. Eur J Paediatr Neurol 2018; 22:1103-1109. [PMID: 30166092 DOI: 10.1016/j.ejpn.2018.08.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 08/05/2018] [Accepted: 08/08/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Pompe disease (PD) is a rare condition caused by mutations in gene encoding for the enzyme alpha-glucosidase, resulting in an abnormal intracellular accumulation of glycogen. The disease clinical spectrum ranges from severe infantile forms to adult-onset forms with minor limitations. Since 2000 enzyme replacement therapy (ERT) is available and disease natural history has changed, with prolonged survival and evidence of myopathic features. METHODS In this study, we monitored disease progression up to three years in eight young patients with PD. Based on the literature data and the long term personal experience, we selected validated functional scales for neuromuscular disorders and compared the results to identify a simple and reliable protocol for the follow-up of children with PD. Moreover, we evaluated cognitive functions using developmental/cognitive tests. RESULTS Based on study results, we suggest that motor functions in children with PD could be better assessed by Chop Intend, MFM20 (Motor Function Measure Scale for Neuromuscular Diseases 20) and NSAA (North Star Ambulatory Assessment), according to age and functional level. Evaluation should be completed with ROM (Range Of Motion) measurement, MRC (Medical Research Council) evaluation and 6MWT (6 Minute Walk test) when possible. CONCLUSIONS The proposed protocol seems to be reliable and should be done every six months, because of the progressive natural history of the disease, the rapid changes typical of developmental age and the need to document ERT effects. About cognitive functions, additional tests to classical intelligence scales (WISC, WPPSI) should be useful to better describe specific neuropsychological profile.
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Affiliation(s)
- Federica Ricci
- Department of Pediatrics, Division of Child Neurology and Psychiatry, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy.
| | - Chiara Brusa
- Department of Pediatrics, Division of Child Neurology and Psychiatry, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Francesca Rossi
- Department of Pediatrics, Division of Child Neurology and Psychiatry, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Enrica Rolle
- Department of Pediatrics, Division of Child Neurology and Psychiatry, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Valeria Placentino
- Department of Pediatrics, Division of Child Neurology and Psychiatry, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Angela Berardinelli
- Division of Childhood and Adolescence Neurology, IRCCS Mondino, via Mondino 2, 27100, Pavia, Italy
| | - Veronica Pagliardini
- Department of Pediatrics, Division of Metabolic Diseases, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Francesco Porta
- Department of Pediatrics, Division of Metabolic Diseases, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Marco Spada
- Department of Pediatrics, Division of Metabolic Diseases, Turin University Hospital, Piazza Polonia 94, 10126, Turin, Italy
| | - Tiziana Mongini
- Department of Neuroscience, Division of Neurology and Neuromuscular Diseases, Turin University Hospital, Corso Bramante 88/90, 10126, Turin, Italy
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Abstract
Lysosomal storage diseases (LSDs) are a group of over 70 diseases that are characterized by lysosomal dysfunction, most of which are inherited as autosomal recessive traits. These disorders are individually rare but collectively affect 1 in 5,000 live births. LSDs typically present in infancy and childhood, although adult-onset forms also occur. Most LSDs have a progressive neurodegenerative clinical course, although symptoms in other organ systems are frequent. LSD-associated genes encode different lysosomal proteins, including lysosomal enzymes and lysosomal membrane proteins. The lysosome is the key cellular hub for macromolecule catabolism, recycling and signalling, and defects that impair any of these functions cause the accumulation of undigested or partially digested macromolecules in lysosomes (that is, 'storage') or impair the transport of molecules, which can result in cellular damage. Consequently, the cellular pathogenesis of these diseases is complex and is currently incompletely understood. Several LSDs can be treated with approved, disease-specific therapies that are mostly based on enzyme replacement. However, small-molecule therapies, including substrate reduction and chaperone therapies, have also been developed and are approved for some LSDs, whereas gene therapy and genome editing are at advanced preclinical stages and, for a few disorders, have already progressed to the clinic.
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McCall AL, Salemi J, Bhanap P, Strickland LM, Elmallah MK. The impact of Pompe disease on smooth muscle: a review. J Smooth Muscle Res 2018; 54:100-118. [PMID: 30787211 PMCID: PMC6380904 DOI: 10.1540/jsmr.54.100] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 12/26/2018] [Indexed: 12/24/2022] Open
Abstract
Pompe disease (OMIM 232300) is an autosomal recessive disorder caused by mutations in the gene encoding acid α-glucosidase (GAA) (EC 3.2.1.20), the enzyme responsible for hydrolyzing lysosomal glycogen. The primary cellular pathology is lysosomal glycogen accumulation in cardiac muscle, skeletal muscle, and motor neurons, which ultimately results in cardiorespiratory failure. However, the severity of pathology and its impact on clinical outcomes are poorly described in smooth muscle. The advent of enzyme replacement therapy (ERT) in 2006 has improved clinical outcomes in infantile-onset Pompe disease patients. Although ERT increases patient life expectancy and ventilator free survival, it is not entirely curative. Persistent motor neuron pathology and weakness of respiratory muscles, including airway smooth muscles, contribute to the need for mechanical ventilation by some patients on ERT. Some patients on ERT continue to experience life-threatening pathology to vascular smooth muscle, such as aneurysms or dissections within the aorta and cerebral arteries. Better characterization of the disease impact on smooth muscle will inform treatment development and help anticipate later complications. This review summarizes the published knowledge of smooth muscle pathology associated with Pompe disease in animal models and in patients.
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Affiliation(s)
- Angela L McCall
- Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
| | - Jeffrey Salemi
- University of Massachusetts Medical School, Worcester, MA, USA
| | - Preeti Bhanap
- Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
| | - Laura M Strickland
- Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
| | - Mai K Elmallah
- Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
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