Prevalence of Myelin Oligodendrocyte Glycoprotein and Aquaporin-4-IgG in Patients in the Optic Neuritis Treatment Trial

JAMA Ophthalmology
John J ChenSean J Pittock

Abstract

Autoantibodies to aquaporin-4 (AQP4) and myelin oligodendrocyte glycoprotein (MOG) are recently established biomarkers of autoimmune optic neuritis whose frequency and accompanying phenotype, especially for MOG-IgG, are still being characterized. The Optic Neuritis Treatment Trial (ONTT) was a well-known randomized clinical trial in optic neuritis; therefore, knowledge of the serostatus and accompanying phenotype of these patients would be useful to determine the frequency of these antibodies in patients presenting with typical monocular optic neuritis and their outcomes. To determine the AQP4-IgG and MOG-IgG serostatus of patients within the ONTT and describe the clinical features of seropositive patients. In this follow-up study of the randomized clinical trial, ONTT, conducted between July 1, 1988, and June 30, 1991, analysis of serum for AQP4-IgG and MOG-IgG was performed from January 1 to April 30, 2017. A total of 177 patients from the ONTT with acute optic neuritis and serum available for analysis were enrolled from 13 academic referral centers. Analysis of serum for AQP4-IgG and MOG-IgG was performed at Mayo Clinic Neuroimmunology Laboratory in 2017 with a flow cytometry, live cell, AQP4- and MOG-transfected cell-based ...Continue Reading

Citations

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