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International retrospective natural history study of LMNA-related congenital muscular dystrophy

Muscular dystrophies due to heterozygous pathogenic variants in LMNA gene cover a broad spectrum of clinical presentations and severity with an age of onset ranging from the neonatal period to adulthood. The natural history of these conditions is not well defined, particularly in patients with conge...

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Autores principales: Ben Yaou, Rabah, Yun, Pomi, Dabaj, Ivana, Norato, Gina, Donkervoort, Sandra, Xiong, Hui, Nascimento, Andrés, Maggi, Lorenzo, Sarkozy, Anna, Monges, Soledad, Bertoli, Marta, Komaki, Hirofumi, Mayer, Michèle, Mercuri, Eugenio, Zanoteli, Edmar, Castiglioni, Claudia, Marini-Bettolo, Chiara, D’Amico, Adele, Deconinck, Nicolas, Desguerre, Isabelle, Erazo-Torricelli, Ricardo, Gurgel-Giannetti, Juliana, Ishiyama, Akihiko, Kleinsteuber, Karin S, Lagrue, Emmanuelle, Laugel, Vincent, Mercier, Sandra, Messina, Sonia, Politano, Luisa, Ryan, Monique M, Sabouraud, Pascal, Schara, Ulrike, Siciliano, Gabriele, Vercelli, Liliana, Voit, Thomas, Yoon, Grace, Alvarez, Rachel, Muntoni, Francesco, Pierson, Tyler M, Gómez-Andrés, David, Reghan Foley, A, Quijano-Roy, Susana, Bönnemann, Carsten G, Bonne, Gisèle
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8260964/
https://www.ncbi.nlm.nih.gov/pubmed/34240052
http://dx.doi.org/10.1093/braincomms/fcab075
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author Ben Yaou, Rabah
Yun, Pomi
Dabaj, Ivana
Norato, Gina
Donkervoort, Sandra
Xiong, Hui
Nascimento, Andrés
Maggi, Lorenzo
Sarkozy, Anna
Monges, Soledad
Bertoli, Marta
Komaki, Hirofumi
Mayer, Michèle
Mercuri, Eugenio
Zanoteli, Edmar
Castiglioni, Claudia
Marini-Bettolo, Chiara
D’Amico, Adele
Deconinck, Nicolas
Desguerre, Isabelle
Erazo-Torricelli, Ricardo
Gurgel-Giannetti, Juliana
Ishiyama, Akihiko
Kleinsteuber, Karin S
Lagrue, Emmanuelle
Laugel, Vincent
Mercier, Sandra
Messina, Sonia
Politano, Luisa
Ryan, Monique M
Sabouraud, Pascal
Schara, Ulrike
Siciliano, Gabriele
Vercelli, Liliana
Voit, Thomas
Yoon, Grace
Alvarez, Rachel
Muntoni, Francesco
Pierson, Tyler M
Gómez-Andrés, David
Reghan Foley, A
Quijano-Roy, Susana
Bönnemann, Carsten G
Bonne, Gisèle
author_facet Ben Yaou, Rabah
Yun, Pomi
Dabaj, Ivana
Norato, Gina
Donkervoort, Sandra
Xiong, Hui
Nascimento, Andrés
Maggi, Lorenzo
Sarkozy, Anna
Monges, Soledad
Bertoli, Marta
Komaki, Hirofumi
Mayer, Michèle
Mercuri, Eugenio
Zanoteli, Edmar
Castiglioni, Claudia
Marini-Bettolo, Chiara
D’Amico, Adele
Deconinck, Nicolas
Desguerre, Isabelle
Erazo-Torricelli, Ricardo
Gurgel-Giannetti, Juliana
Ishiyama, Akihiko
Kleinsteuber, Karin S
Lagrue, Emmanuelle
Laugel, Vincent
Mercier, Sandra
Messina, Sonia
Politano, Luisa
Ryan, Monique M
Sabouraud, Pascal
Schara, Ulrike
Siciliano, Gabriele
Vercelli, Liliana
Voit, Thomas
Yoon, Grace
Alvarez, Rachel
Muntoni, Francesco
Pierson, Tyler M
Gómez-Andrés, David
Reghan Foley, A
Quijano-Roy, Susana
Bönnemann, Carsten G
Bonne, Gisèle
author_sort Ben Yaou, Rabah
collection PubMed
description Muscular dystrophies due to heterozygous pathogenic variants in LMNA gene cover a broad spectrum of clinical presentations and severity with an age of onset ranging from the neonatal period to adulthood. The natural history of these conditions is not well defined, particularly in patients with congenital or early onset who arguably present with the highest disease burden. Thus the definition of natural history endpoints along with clinically revelant outcome measures is essential to establishing both clinical care planning and clinical trial readiness for this patient group. We designed a large international cross-sectional retrospective natural history study of patients with genetically proven muscle laminopathy who presented with symptoms before two years of age intending to identify and characterize an optimal clinical trial cohort with pertinent motor, cardiac and respiratory endpoints. Quantitative statistics were used to evaluate associations between LMNA variants and distinct clinical events. The study included 151 patients (median age at symptom onset 0.9 years, range: 0.0–2.0). Age of onset and age of death were significantly lower in patients who never acquired independent ambulation compared to patients who achieved independent ambulation. Most of the patients acquired independent ambulation (n = 101, 66.9%), and subsequently lost this ability (n = 86; 85%). The age of ambulation acquisition (median: 1.2 years, range: 0.8–4.0) and age of ambulation loss (median: 7 years, range: 1.2–38.0) were significantly associated with the age of the first respiratory interventions and the first cardiac symptoms. Respiratory and gastrointestinal interventions occurred during first decade while cardiac interventions occurred later. Genotype–phenotype analysis showed that the most common mutation, p.Arg249Trp (20%), was significantly associated with a more severe disease course. This retrospective natural history study of early onset LMNA-related muscular dystrophy confirms the progressive nature of the disorder, initially involving motor symptoms prior to onset of other symptoms (respiratory, orthopaedic, cardiac and gastrointestinal). The study also identifies subgroups of patients with a range of long-term outcomes. Ambulatory status was an important mean of stratification along with the presence or absence of the p.Arg249Trp mutation. These categorizations will be important for future clinical trial cohorts. Finally, this study furthers our understanding of the progression of early onset LMNA-related muscular dystrophy and provides important insights into the anticipatory care needs of LMNA-related respiratory and cardiac manifestations.
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spelling pubmed-82609642021-07-07 International retrospective natural history study of LMNA-related congenital muscular dystrophy Ben Yaou, Rabah Yun, Pomi Dabaj, Ivana Norato, Gina Donkervoort, Sandra Xiong, Hui Nascimento, Andrés Maggi, Lorenzo Sarkozy, Anna Monges, Soledad Bertoli, Marta Komaki, Hirofumi Mayer, Michèle Mercuri, Eugenio Zanoteli, Edmar Castiglioni, Claudia Marini-Bettolo, Chiara D’Amico, Adele Deconinck, Nicolas Desguerre, Isabelle Erazo-Torricelli, Ricardo Gurgel-Giannetti, Juliana Ishiyama, Akihiko Kleinsteuber, Karin S Lagrue, Emmanuelle Laugel, Vincent Mercier, Sandra Messina, Sonia Politano, Luisa Ryan, Monique M Sabouraud, Pascal Schara, Ulrike Siciliano, Gabriele Vercelli, Liliana Voit, Thomas Yoon, Grace Alvarez, Rachel Muntoni, Francesco Pierson, Tyler M Gómez-Andrés, David Reghan Foley, A Quijano-Roy, Susana Bönnemann, Carsten G Bonne, Gisèle Brain Commun Original Article Muscular dystrophies due to heterozygous pathogenic variants in LMNA gene cover a broad spectrum of clinical presentations and severity with an age of onset ranging from the neonatal period to adulthood. The natural history of these conditions is not well defined, particularly in patients with congenital or early onset who arguably present with the highest disease burden. Thus the definition of natural history endpoints along with clinically revelant outcome measures is essential to establishing both clinical care planning and clinical trial readiness for this patient group. We designed a large international cross-sectional retrospective natural history study of patients with genetically proven muscle laminopathy who presented with symptoms before two years of age intending to identify and characterize an optimal clinical trial cohort with pertinent motor, cardiac and respiratory endpoints. Quantitative statistics were used to evaluate associations between LMNA variants and distinct clinical events. The study included 151 patients (median age at symptom onset 0.9 years, range: 0.0–2.0). Age of onset and age of death were significantly lower in patients who never acquired independent ambulation compared to patients who achieved independent ambulation. Most of the patients acquired independent ambulation (n = 101, 66.9%), and subsequently lost this ability (n = 86; 85%). The age of ambulation acquisition (median: 1.2 years, range: 0.8–4.0) and age of ambulation loss (median: 7 years, range: 1.2–38.0) were significantly associated with the age of the first respiratory interventions and the first cardiac symptoms. Respiratory and gastrointestinal interventions occurred during first decade while cardiac interventions occurred later. Genotype–phenotype analysis showed that the most common mutation, p.Arg249Trp (20%), was significantly associated with a more severe disease course. This retrospective natural history study of early onset LMNA-related muscular dystrophy confirms the progressive nature of the disorder, initially involving motor symptoms prior to onset of other symptoms (respiratory, orthopaedic, cardiac and gastrointestinal). The study also identifies subgroups of patients with a range of long-term outcomes. Ambulatory status was an important mean of stratification along with the presence or absence of the p.Arg249Trp mutation. These categorizations will be important for future clinical trial cohorts. Finally, this study furthers our understanding of the progression of early onset LMNA-related muscular dystrophy and provides important insights into the anticipatory care needs of LMNA-related respiratory and cardiac manifestations. Oxford University Press 2021-04-11 /pmc/articles/PMC8260964/ /pubmed/34240052 http://dx.doi.org/10.1093/braincomms/fcab075 Text en © The Author(s) (2021). Published by Oxford University Press on behalf of the Guarantors of Brain. https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Ben Yaou, Rabah
Yun, Pomi
Dabaj, Ivana
Norato, Gina
Donkervoort, Sandra
Xiong, Hui
Nascimento, Andrés
Maggi, Lorenzo
Sarkozy, Anna
Monges, Soledad
Bertoli, Marta
Komaki, Hirofumi
Mayer, Michèle
Mercuri, Eugenio
Zanoteli, Edmar
Castiglioni, Claudia
Marini-Bettolo, Chiara
D’Amico, Adele
Deconinck, Nicolas
Desguerre, Isabelle
Erazo-Torricelli, Ricardo
Gurgel-Giannetti, Juliana
Ishiyama, Akihiko
Kleinsteuber, Karin S
Lagrue, Emmanuelle
Laugel, Vincent
Mercier, Sandra
Messina, Sonia
Politano, Luisa
Ryan, Monique M
Sabouraud, Pascal
Schara, Ulrike
Siciliano, Gabriele
Vercelli, Liliana
Voit, Thomas
Yoon, Grace
Alvarez, Rachel
Muntoni, Francesco
Pierson, Tyler M
Gómez-Andrés, David
Reghan Foley, A
Quijano-Roy, Susana
Bönnemann, Carsten G
Bonne, Gisèle
International retrospective natural history study of LMNA-related congenital muscular dystrophy
title International retrospective natural history study of LMNA-related congenital muscular dystrophy
title_full International retrospective natural history study of LMNA-related congenital muscular dystrophy
title_fullStr International retrospective natural history study of LMNA-related congenital muscular dystrophy
title_full_unstemmed International retrospective natural history study of LMNA-related congenital muscular dystrophy
title_short International retrospective natural history study of LMNA-related congenital muscular dystrophy
title_sort international retrospective natural history study of lmna-related congenital muscular dystrophy
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8260964/
https://www.ncbi.nlm.nih.gov/pubmed/34240052
http://dx.doi.org/10.1093/braincomms/fcab075
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