Serum neurofilament light chain levels are increased in patients with a clinically isolated syndrome

Giulio Disanto, Rocco Adiutori, Ruth Dobson, Vittorio Martinelli, Gloria Dalla Costa, Tessel Runia, Evgeniy Evdoshenko, Eric Thouvenot, Maria Trojano, Niklas Norgren, Charlotte Teunissen, Ludwig Kappos, Gavin Giovannoni, Jens Kuhle, Lucia Bianchi, Joanne Topping, Jonathan P. Bestwick, Ute-Christiane Meier, Natalia Lazareva, Pietro IaffaldanoVita Direnzo, Mohsen Khademi, Fredrik Piehl, Manuel Comabella, Madeleine Sombekke, Joep Killestein, Harald Hegen, Stefan Rauch, Sandra D'Alfonso, Jose C. Alvarez-Cermeno, Pavlina Kleinova, Dana Horakova, Romy Roesler, Florian Lauda, Sara Llufriu, Timucin Avsar, Ugur Uygunoglu, Ayse Altintas, Sabahattin Saip, Til Menge, Cecilia Rajda, Roberto Bergamaschi, Natalia Moll, Michael Khalil, Romain Marignier, Irena Dujmovic, Henrik Larsson, Clas Malmestrom, Elio Scarpini, Chiara Fenoglio, Stig Wergeland, Alice Laroni, Viviana Annibali, Silvia Romano, Alejandra D. Martinez, Adriana Carra, Marco Salvetti, Antonio Uccelli, Oivind Torkildsen, KjellMorten Myhr, Daniela Galimberti, Konrad Rejdak, Jan Lycke, Jette L. Frederiksen, Jelena Drulovic, Christian Confavreux, David Brassat, Christian Enzinger, Siegrid Fuchs, Isabel Bosca, Jean Pelletier, Christophe Picard, Elena Colombo, Diego Franciotta, Tobias Derfuss, Raija L. P. Lindberg, Ozgur Yaldizli, Laszlo Vecsei, Bernd C. Kieseier, Hans Peter Hartung, Pablo Villoslada, Aksel Siva, Albert Saiz, Hayrettin Tumani, Eva Havrdova, Luisa M. Villar, Maurizio Leone, Nadia Barizzone, Florian Deisenhammer, Xavier Montalban, Mar Tintore, Tomas Olsson, Sylvain Lehmann, Giovanni Castelnovo, Sergey Lapin, Rogier Hintzen, Roberto Furlan, Giancarlo Comi, Sreeram V. Ramagopalan

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Resum

Background Neurofilament light chain (NfL) represents a promising biomarker for axonal injury. We present the first exploratory study on serum NfL in patients with a clinically isolated syndrome (CIS) and healthy controls.Methods We investigated serum NfL levels in 100 patients with CIS with a short conversion interval to clinically definite multiple sclerosis (MS) (fast converters (FC), median (IQR) conversion time: 110 days (79-139)); 98 patients with non-converting CIS (non-converters (NC), follow-up: 6.5 years (5.3-7.9)); and 92 healthy controls.Results NfL levels were higher in FC (24.1 pg/mL (13.5-51.8)) and NC (19.3 pg/mL (13.6-35.2)) than in healthy controls (7.9 pg/mL (5.6-17.2)) (OR=5.85; 95% CI 2.63 to 13.02; p=1.5x10(-5) and OR=7.03; 95% CI 2.85 to 17.34; p=2.3x10(-5), respectively). When grouping FC and NC, increased serum NfL concentration was also associated with increasing numbers of T2 hyperintense MRI lesions (OR=2.36; 95% CI 1.21 to 4.59; p=0.011), gadolinium-enhancing lesions (OR=2.69; 95% CI 1.13 to 6.41; p=0.026) and higher disability scores (OR=2.54; 95% CI 1.21 to 5.31; p=0.013) at CIS diagnosis.Conclusions If replicated in future studies, serum NfL may represent a reliable and easily accessible biomarker of early axonal damage in CIS and MS.
Idioma originalAnglès
Pàgines (de-a)126-129
Nombre de pàgines4
RevistaJournal of Neurology Neurosurgery and Psychiatry
Volum87
Número2
DOIs
Estat de la publicacióPublicada - de febr. 2016

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