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Abstract Details

MOG-IgG associated disease is uncommon during treatment with TNF inhibitors
Autoimmune Neurology
P9 - Poster Session 9 (5:30 PM-6:30 PM)
9-005

The association of tumor necrosis factor-α (TNF)-inhibitors with MS has previously been suggested, whereas little is known about MOG-IgG-associated disease (MOGAD) in the context of these drugs. We recently encountered two patients who developed MOGAD while receiving TNF-inhibitors, prompting a search for similar cases in the literature and clinical practice.

To assess the potential association between TNF-inhibitors and MOGAD

The two cases were seen at Mayo Clinic, Rochester (bilateral optic neuritis) and the University-Hospital of Sassari (brainstem syndrome).

Three additional cases of MOGAD presenting during treatment with TNF-inhibitors were identified through Pubmed. We searched the medical records of 336 MOGAD patients seen at the Mayo Clinic, to assess if they had been treated with TNF-inhibitors.

A total of 5 patients were identified. The median age at MOGAD presentation was 40 years (range, 36-49); 4/5 were male (80%). The median time from TNF-inhibitor initiation to MOGAD presentation was 6.5 years (range, 2-18). Of 4 patients who discontinued the TNF-inhibitor due to MOGAD onset, two subsequently had a MOGAD relapse. While in another patient, neurological symptoms subsided with corticosteroids despite TNF-inhibitor being maintained. The frequency of MOGAD presenting during TNF-inhibitors treatment at Mayo Clinic was 0.3% (1/336 cases).

We found that MOGAD is unlikely to present during treatment with TNF-inhibitors. The outcomes in these patients seemed not to be influenced by TNF-inhibitor treatment duration or discontinuation. These findings suggest the benefit of TNF-inhibitor withdrawal is not obvious, and the choice of discontinuing vs maintaining treatment with TNF-inhibitors should be weighted based on symptoms severity and activity status of the underlying systemic disorder. When withdrawal is considered, immunosuppression with agents potentially effective for both MOGAD and the immune-mediated disease originally managed by the TNF-inhibitor, could serve as dual purpose treatment.

Authors/Disclosures
Vyanka Redenbaugh, MB BCh BAO (Mayo Clinic)
PRESENTER
Dr. Redenbaugh has nothing to disclose.
Eoin P. Flanagan, MBBCh, FAAN (Mayo Clinic) The institution of Dr. Flanagan has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Dr. Flanagan 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. Flanagan has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Horizon Therapeutics. The institution of Dr. Flanagan has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. Dr. Flanagan has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Pharmacy times. The institution of Dr. Flanagan has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for UCB. The institution of Dr. Flanagan has received research support from Viela Bio. The institution of Dr. Flanagan has received research support from UCB. The institution of Dr. Flanagan has received research support from Roche. Dr. Flanagan has received publishing royalties from a publication relating to health care. Dr. Flanagan has a non-compensated relationship as a Member of medical Advisory Board with The MOG Project that is relevant to AAN interests or activities. Dr. Flanagan has a non-compensated relationship as a Editorial board member with Journal of The Neurologic Sciences that is relevant to AAN interests or activities. Dr. Flanagan has a non-compensated relationship as a Editorial board member with Neuroimmunology Reports that is relevant to AAN interests or activities. Dr. Flanagan has a non-compensated relationship as a Editorial Board Member with Neurology, Neuroimmunology Neuroinflammation (N2) Journal that is relevant to AAN interests or activities.
Valentina Floris, MD Dr. Floris has nothing to disclose.
Pietro Zara, MD (University of Sassari) Dr. Zara has nothing to disclose.
M. Tariq Bhatti, MD (Kaiser Permanente, Northern California) Dr. Bhatti has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Receptos . Dr. Bhatti has received personal compensation in the range of $0-$499 for serving on a Scientific Advisory or Data Safety Monitoring board for NIH LHON gene therapy study .
No disclosure on file
Matthew Koster No disclosure on file
Sara Mariotto, MD, PhD (Neurology Unit, University of Verona) Dr. Mariotto has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Biogen, Sanofi, Alexion, TSF, Dynamics. The institution of Dr. Mariotto has received research support from Ministero della Salute Italiano. The institution of Dr. Mariotto has received research support from TSF.
Sean J. Pittock, MD (Mayo Clinic Dept of Neurology) Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genentech, Inc.. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sage Therapeutics, Inc.. The institution of Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Astellas. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Prime Therapeutics. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for UCB. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche/Genentech. The institution of Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Alexion. The institution of Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for MedImmune/Viela Bio. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Arialys Therapeutics. The institution of Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche/Genentech. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for UCB, Inc. Dr. Pittock has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Hoffman/LaRoche AG. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Genetech. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for F. Hofman/LaRoche. The institution of Dr. Pittock has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Dr. Pittock has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Arialys. The institution of Dr. Pittock has received research support from Grifols. The institution of Dr. Pittock has received research support from NIH. The institution of Dr. Pittock has received research support from Viela Bio/MedImmune/Horizon. The institution of Dr. Pittock has received research support from Alexion Pharmaceuticals. The institution of Dr. Pittock has received research support from F. Hoffman/LaRoche/Genentech. The institution of Dr. Pittock has received research support from NovelMed. The institution of Dr. Pittock has received research support from AstaZeneca. Dr. Pittock has received intellectual property interests from a discovery or technology relating to health care. Dr. Pittock has received intellectual property interests from a discovery or technology relating to health care. Dr. Pittock has received publishing royalties from a publication relating to health care.
John Chen No disclosure on file
No disclosure on file
Paolo Solla, MD (Ospedale Binaghi) Dr. Solla has nothing to disclose.
Elia Sechi, MD (University of Sassari) Dr. Sechi has nothing to disclose.