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Hirano M, Carelli V, De Giorgio R, Pironi L, Accarino A, Cenacchi G, D’Alessandro R, Filosto M, Martí R, Nonino F, Pinna AD, Baldin E, Bax BE, Bolletta A, Bolletta R, Boschetti E, Cescon M, D’Angelo R, Dotti MT, Giordano C, Gramegna LL, Levene M, Lodi R, Mandel H, Morelli MC, Musumeci O, Pugliese A, Scarpelli M, Siniscalchi A, Spinazzola A, Tal G, Torres-Torronteras J, Vignatelli L, Zaidman I, Zoller H, Rinaldi R, Zeviani M. Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE): Position paper on diagnosis, prognosis, and treatment by the MNGIE International Network. J Inherit Metab Dis 2021; 44:376-387. [PMID: 32898308 PMCID: PMC8399867 DOI: 10.1002/jimd.12300] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 02/05/2023]
Abstract
Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is a rare autosomal recessive disease caused by TYMP mutations and thymidine phosphorylase (TP) deficiency. Thymidine and deoxyuridine accumulate impairing the mitochondrial DNA maintenance and integrity. Clinically, patients show severe and progressive gastrointestinal and neurological manifestations. The onset typically occurs in the second decade of life and mean age at death is 37 years. Signs and symptoms of MNGIE are heterogeneous and confirmatory diagnostic tests are not routinely performed by most laboratories, accounting for common misdiagnosis. Factors predictive of progression and appropriate tests for monitoring are still undefined. Several treatment options showed promising results in restoring the biochemical imbalance of MNGIE. The lack of controlled studies with appropriate follow-up accounts for the limited evidence informing diagnostic and therapeutic choices. The International Consensus Conference (ICC) on MNGIE, held in Bologna, Italy, on 30 March to 31 March 2019, aimed at an evidence-based consensus on diagnosis, prognosis, and treatment of MNGIE among experts, patients, caregivers and other stakeholders involved in caring the condition. The conference was conducted according to the National Institute of Health Consensus Conference methodology. A consensus development panel formulated a set of statements and proposed a research agenda. Specifically, the ICC produced recommendations on: (a) diagnostic pathway; (b) prognosis and the main predictors of disease progression; (c) efficacy and safety of treatments; and (f) research priorities on diagnosis, prognosis, and treatment. The Bologna ICC on diagnosis, management and treatment of MNGIE provided evidence-based guidance for clinicians incorporating patients' values and preferences.
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Affiliation(s)
- Michio Hirano
- Department of Neurology, Columbia University Irving Medical Center, New York, New York
| | - Valerio Carelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Roberto De Giorgio
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Loris Pironi
- Clinical Nutrition and Metabolism Unit and Center for Chronic Intestinal Failure, Department of Digestive System, St. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Anna Accarino
- Digestive System Research Unit, University Hospital Vall d’Hebron / Centro de Investigación Biomédica en Red de Enfermeda des Hepáticas y Digestivas (CIBEREHD); Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Giovanna Cenacchi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy
| | | | - Massimiliano Filosto
- Center for Neuromuscular Diseases, Unit of Neurology, Azienda Socio Sanitaria Territoriale degli Spedali Civili and University of Brescia, Brescia, Italy
| | - Ramon Martí
- Vall d’Hebron Research Institute, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Autonomous University of Barcelona, Barcelona, Spain
| | - Francesco Nonino
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | | | - Elisa Baldin
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Bridget Elizabeth Bax
- Institute of Molecular and Clinical Sciences, St George’s University of London, London, UK
| | | | | | - Elisa Boschetti
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Matteo Cescon
- General Surgery and Transplant Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Roberto D’Angelo
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Interaziendale Metropolitana (NeuroMet), - Neurologia AOU S.Orsola-Malpighi, Bologna, Italy
| | - Maria Teresa Dotti
- Neurological and Metabolic Diseases Clinic, Siena Hospital, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Carla Giordano
- Department of Radiological, Oncological and Pathological Sciences, Sapienza, University of Rome, Umberto I Policlinic, Rome, Italy
| | - Laura Ludovica Gramegna
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Michelle Levene
- Institute of Molecular and Clinical Sciences, St George’s University of London, London, UK
| | - Raffaele Lodi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Hanna Mandel
- Institute of Human Genetics and Inherited Metabolic Disorders, Galilee Medical Center, Nahariya, Israel
| | - Maria Cristina Morelli
- Department for Care of Organ Failures and Transplants, Internal Medicine for the Treatment of Severe Organ Failures, St. Orsola-Malpighi Hospital, Bologna, Italy
| | - Olimpia Musumeci
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Alessia Pugliese
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Mauro Scarpelli
- Neurology Unit, Department of Neuroscience, Azienda Ospedaliero Universitaria Integrata Verona, Verona, Italy
| | - Antonio Siniscalchi
- Anaesthesiology Intensive Care and Transplantation Unit, St. Orsola-Malpighi Hospital, Bologna, Italy
| | - Antonella Spinazzola
- Department of Clinical Movement Neurosciences, Royal Free Campus, University College of London, Queen Square Institute of Neurology, London, UK
| | - Galit Tal
- Metabolic Unit, Ruth Rappaport Children’s Hospital, Rambam Health Care Campus, Haifa, Israel
| | - Javier Torres-Torronteras
- Vall d’Hebron Research Institute, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Autonomous University of Barcelona, Barcelona, Spain
| | - Luca Vignatelli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Irina Zaidman
- Department of Bone Marrow Transplantation, Hadassah University Medical Center, Jerusalem, Israel
| | - Heinz Zoller
- Department of Internal Medicine I, Medical University of Innsbruck, Innsbruck, Austria
| | - Rita Rinaldi
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Interaziendale Metropolitana (NeuroMet), - Neurologia AOU S.Orsola-Malpighi, Bologna, Italy
| | - Massimo Zeviani
- Department of Neurosciences, Veneto Institute of Molecular Medicine, University of Padova, Padova, Italy
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