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Abstract Details

The association between serum neurofilament light chain and OCT measures in multiple sclerosis
Multiple Sclerosis
S37 - MS Biomarkers (2:06 PM-2:17 PM)
007
Optical coherence tomography (OCT) detects retinal changes in MS. Brain atrophy and clinical disability were reported to be associated with high sNfL in MS, but association with OCT measures was not explored.
To investigate the association between serum levels of neurofilament light chain (sNfL), retinal nerve fiber layer thickness (RNFLT), fovea volume (FV) and total macular volume (TMV) in multiple sclerosis (MS).
MS patients and healthy controls (HC) were prospectively enrolled. At baseline and after an average of 5.5 years, sNfL levels were measured using Simoa assay and OCT was performed, obtaining RNFLT, FV and TMV for both eyes.  Linear regression analysis, controlling for age and sex, was used to investigate associations between sNfL levels and OCT measures.

127 MS (85 relapsing remitting-RRMS, 42 progressive MS-PMS), 20 clinically isolated syndrome (CIS) and 52 HC were enrolled. SNfL levels were significantly higher in MS than HC at both time points (p<0.0001). In the MS cohort, baseline SNfL was associated in both eyes with RNFLT (p ≤0.002), TMV (p ≤0.034) and FV (p ≤0.034). Baseline sNfL was associated with RNFLT of both eyes (p≤0.006) and FV of right eye (p=0.027) in RRMS, and with TMV of left eye (p=0.025) in CIS. There was no significant association in HC nor in PMS. Furthermore, no significant association was found between sNfL change over time and changes of any OCT variable in the entire MS cohort. Finally, MS patients with sNfL ≥30 pg/ml at baseline had significantly lower RNFLT (p≤0.036) and TMV (p≤0.014) in both eyes at baseline than patients with <30 pg/ml.

SNfL is associated with OCT measures reflective of neuroaxonal damage, and higher sNfL levels are associated with reduced RFNLT and TMV in MS. These findings support the role of sNfL as a marker of neurodegeneration in MS.

Authors/Disclosures
Eleonora Tavazzi, MD (Instituto Mondino)
PRESENTER
No disclosure on file
Jesper Hagemeier No disclosure on file
Murali Ramanathan, PhD (University At Buffalo) The institution of Dr. Ramanathan has received research support from DoD. Dr. Ramanathan has received publishing royalties from a publication relating to health care.
Dejan Jakimovski, MD, PhD (Buffalo Neuroimaging Analysis Center, University at Buffalo) Dr. Jakimovski has nothing to disclose.
Niels Bergsland (Buffalo Neuroimaging Analysis Center / State University of New York At Buffalo) Prof. Bergsland has nothing to disclose.
Davorka Tomic Davorka Tomic has stock in Meck KGaA.
Harald Kropshofer Harald Kropshofer has nothing to disclose.
David Leppert, MD (University Hospital Basel) Dr. Leppert has received personal compensation for serving as an employee of GeNeuro. Dr. Leppert has received personal compensation for serving as an employee of GeNeuro. Dr. Leppert has received personal compensation for serving as an employee of Geneuro. Dr. Leppert has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Leppert has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Roche. Dr. Leppert has received personal compensation in the range of $0-$499 for serving as a Consultant for Orion. Dr. Leppert has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sanofi. Dr. Leppert has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Quanterix. Dr. Leppert has stock in Novartis.
No disclosure on file
Michael G. Dwyer III, MD, PhD (Buffalo Neurological Analysis Center) Dr. Dwyer has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Bristol Myers Squibb. Dr. Dwyer has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Keystone Heart, Ltd. Dr. Dwyer has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. The institution of Dr. Dwyer has received research support from Novartis. The institution of Dr. Dwyer has received research support from Keystone Heart, Ltd. The institution of Dr. Dwyer has received research support from Bristol Myers Squibb. The institution of Dr. Dwyer has received research support from Roche.
Ralph H. Benedict, PhD (University At Buffalo) Dr. Benedict has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. Dr. Benedict has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Roche. Dr. Benedict has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Sanofi. Dr. Benedict has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Biogen. Dr. Benedict has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Bristol Meyers Squibb. Dr. Benedict has received personal compensation in the range of $50,000-$99,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. Dr. Benedict has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Biogen. Dr. Benedict has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Brystal Mier Squibb. Dr. Benedict has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for EMD Serono. The institution of Dr. Benedict has received research support from Genzyme. The institution of Dr. Benedict has received research support from Biogen. The institution of Dr. Benedict has received research support from Bristol Myer Squib. Dr. Benedict has received intellectual property interests from a discovery or technology relating to health care.
Bianca Weinstock-Guttman, MD (Department of Neurology, University At Buffalo) Dr. Weinstock-Guttman has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biogen. Dr. Weinstock-Guttman has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Genentech. Dr. Weinstock-Guttman has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Novartis . Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for EMD Serono. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Abbvie. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genzyme &Sanofi. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Janssen . Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Bayer. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Horizon. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Genentech. Dr. Weinstock-Guttman has received personal compensation in the range of $0-$499 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Weinstock-Guttman has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Biogen. Dr. Weinstock-Guttman has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Janssen. Dr. Weinstock-Guttman has received personal compensation in the range of $0-$499 for serving as a Reviewer with NIH.
Jens Kuhle, MD Dr. Kuhle has nothing to disclose.
Robert Zivadinov, MD, PhD, FAAN (Buffalo Neuroimaging Analysis Center) The institution of Dr. Zivadinov has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BMS. The institution of Dr. Zivadinov has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Omnicuris. The institution of Dr. Zivadinov has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Myrobalan. Dr. Zivadinov has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Sanofi. Dr. Zivadinov has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for EMD Serono. Dr. Zivadinov has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Bristol Myers Squibb. The institution of Dr. Zivadinov has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Biogen.