V
Vassili Valayannopoulos
Researcher at Necker-Enfants Malades Hospital
Publications - 175
Citations - 7079
Vassili Valayannopoulos is an academic researcher from Necker-Enfants Malades Hospital. The author has contributed to research in topics: Lysosomal acid lipase deficiency & Sebelipase alfa. The author has an hindex of 41, co-authored 168 publications receiving 5959 citations. Previous affiliations of Vassili Valayannopoulos include Paris Descartes University & Genzyme.
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Journal ArticleDOI
Suggested guidelines for the diagnosis and management of urea cycle disorders
Johannes Häberle,Nathalie Boddaert,Alberto Burlina,Anupam Chakrapani,Marjorie Dixon,Martina Huemer,Daniela Karall,Diego Martinelli,Pablo Sanjurjo Crespo,René Santer,Aude Servais,Vassili Valayannopoulos,Martin Lindner,Vicente Rubio,Carlo Dionisi-Vici +14 more
TL;DR: These guidelines aim at providing a trans-European consensus to guide practitioners, set standards of care and help awareness campaigns, and help to harmonise practice, set common standards and spread good practices with a positive impact on the outcomes of UCD patients.
Journal ArticleDOI
Proposed guidelines for the diagnosis and management of methylmalonic and propionic acidemia
Matthias R. Baumgartner,Friederike Hörster,Carlo Dionisi-Vici,Goknur Haliloglu,Daniela Karall,Kimberly A. Chapman,Martina Huemer,Michel Hochuli,M. Assoun,Diana Ballhausen,Alberto Burlina,Brian Fowler,Sarah C. Grünert,Stephanie Grunewald,Tomas Honzik,Begoña Merinero,Celia Pérez-Cerdá,Sabine Scholl-Bürgi,Flemming Skovby,Frits A. Wijburg,Anita MacDonald,Diego Martinelli,Jörn Oliver Sass,Vassili Valayannopoulos,Anupam Chakrapani +24 more
TL;DR: These guidelines aim to provide a trans-European consensus to guide practitioners, set standards of care and to help to raise awareness, and highlight gaps in knowledge that must be filled by future research.
Journal ArticleDOI
Congenital hyperinsulinism: current trends in diagnosis and therapy
Jean Baptiste Arnoux,Virginie Verkarre,Cécile Saint-Martin,Françoise Montravers,Anas Brassier,Vassili Valayannopoulos,Francis Brunelle,Jean-Christophe Fournet,Jean-Jacques Robert,Yves Aigrain,Christine Bellanné-Chantelot,Pascale de Lonlay +11 more
TL;DR: Congenital hyperinsulinism is an inappropriate insulin secretion by the pancreatic β-cells secondary to various genetic disorders and Genetics and 18F-fluoro-L-DOPA positron emission tomography (PET) help to diagnose diffuse or focal forms of HI.
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Long-term outcome of Hurler syndrome patients after hematopoietic cell transplantation : an international multicenter study
Mieke Aldenhoven,Robert Wynn,Paul J. Orchard,Anne O'Meara,Paul Veys,Alain Fischer,Vassili Valayannopoulos,Bénédicte Neven,Attilio Rovelli,Vinod K. Prasad,Jakub Tolar,Heather B. Allewelt,Simon Jones,Rossella Parini,Marleen Renard,Victoria Bordon,Nico M Wulffraat,Tom J. de Koning,Elsa Shapiro,Joanne Kurtzberg,Jaap Jan Boelens +20 more
TL;DR: In this article, the authors identify predictors of the long-term outcome of patients with MPS-IH after successful hematopoietic cell transplantation (HCT).
Journal ArticleDOI
A Phase 3 Trial of Sebelipase Alfa in Lysosomal Acid Lipase Deficiency.
Barbara K. Burton,Manisha Balwani,François Feillet,Ivo Barić,T. Andrew Burrow,Carmen Camarena Grande,Mahmut Çoker,Alejandra Consuelo-Sanchez,Patrick Deegan,Maja Di Rocco,Gregory M. Enns,Richard W. Erbe,Fatih Süheyl Ezgü,Can Ficicioglu,Katryn N. Furuya,John P. Kane,Christina M. Laukaitis,Eugen Mengel,Edward G. Neilan,Scott Nightingale,Heidi Peters,Maurizio Scarpa,K Otfried Schwab,Vratislav Smolka,Vassili Valayannopoulos,Marnie Wood,Zachary Goodman,Yijun Yang,Stephen Eckert,Sandra Rojas-Caro,Anthony G. Quinn +30 more
TL;DR: Sbelipase alfa therapy resulted in a reduction in multiple disease-related hepatic and lipid abnormalities in children and adults with lysosomal acid lipase deficiency and observed improvements in lipid levels and reduction in hepatic fat content.