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Abstract Details

Ofatumumab Reduces Disability Progression Independent of Relapse Activity in Patients with Relapsing Multiple Sclerosis
Multiple Sclerosis
MS and CNS Inflammatory Disease Posters (7:00 AM-5:00 PM)
087
To test the robustness of the effect of ofatumumab on confirmed disability Progression Independent of Relapse Activity (PIRA) against variability in body weight in the overall ASCLEPIOS population and to evaluate the relevance of PIRA in newly-diagnosed, treatment-naïve patients with relapsing multiple sclerosis (RMS). 
Ofatumumab, the first fully-human anti-CD20 monoclonal antibody with a 20-mg subcutaneous monthly dosing regimen, is approved by the US FDA for the treatment of adults with RMS. Ofatumumab significantly reduced PIRA in the ASCLEPIOS I/II trials in RMS. 
In the pooled ASCLEPIOS population, the effect of ofatumumab versus teriflunomide on PIRA and its robustness to variability in body weight (by quartile; Q1: <60.1; Q2: ≥60.1–<70.8; Q3: ≥70.8–<84.4; Q4: ≥84.4) was evaluated. Risk of 3-month/6-month PIRA was defined as ≥1.0-point increase if baseline EDSS score <6 or ≥0.5-point increase if baseline EDSS score ≥6 and was analyzed using Cox-regression models. Further, the proportion of PIRA events (3m/6mPIRA) among the confirmed disability worsening events (3m/6mCDW) was quantified in 2 subsets of newly-diagnosed, treatment-naïve patients: Subset-A, without confirmed relapses on-study; Subset-B, without confirmed relapses prior to a 3m/6mPIRA.
Ofatumumab (versus teriflunomide) delayed PIRA in overall RMS population, irrespective of body weight; the risk of 6mPIRA by body weight quartiles was reduced with ofatumumab in both subsets (Subset-A: Q1–Q4: 31%–37%; Subset-B: 36%–47%). In newly-diagnosed treatment-naïve patients, >50% of the CDW events were PIRA; ofatumumab (versus teriflunomide) reduced the risk of 6mPIRA by 56% (p=0.049) in Subset-A and by 59% (p=0.023) in Subset-B, with similar results for 3mPIRA. 
Ofatumumab had superior efficacy versus teriflunomide on PIRA in RMS patients, independent of body weight. In newly-diagnosed treatment-naïve RMS patients, a high proportion of CDW events were PIRA; ofatumumab markedly reduced the risk of PIRA in early RMS patients versus teriflunomide. 
Authors/Disclosures
Ludwig Kappos, MD, FAAN (RC2NB, University Hospital Basel)
PRESENTER 		Dr. Kappos has nothing to disclose.
Xavier Montalban, MD, PhD, FAAN (Vall Hebron University Hospital-Multiple Sclerosis Centre of Catalonia) The institution of Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biogen. The institution of Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Merck/ EMD Serono. The institution of Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. The institution of Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Teva. The institution of Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Hoffmann-La Roche. The institution of Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Actelion/ Janssen Pharmaceuticals. The institution of Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for BMS/ Celgene. The institution of Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Sanofi/ Genzyme. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BIAL PD. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving as a Consultant for PeerVoice. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Samsung Biosys. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Zenas BioPharma. Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Actelion/ Janssen Pharmaceuticals. Dr. Montalban has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for BMS/ Celgene. Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Merck/ EMD Serono. Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Hoffmann-La Roche. Dr. Montalban has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sanofi-Genzyme. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Immunic Therapeutics. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Viatris/ Mylan. The institution of Dr. Montalban has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sandoz. The institution of Dr. Montalban has received research support from Biogen. The institution of Dr. Montalban has received research support from Hoffmann-La Roche. The institution of Dr. Montalban has received research support from Sanofi/ Genzyme. The institution of Dr. Montalban has received research support from Merck/ EMD Serono. The institution of Dr. Montalban has received research support from Novartis. The institution of Dr. Montalban has received research support from Teva Pharmaceuticals. The institution of Dr. Montalban has received research support from Actelion/ Janssen Pharmaceuticals. The institution of Dr. Montalban has received research support from BMS/ Celgene.
Patricia K. Coyle, MD, FAAN (SUNY At Stony Brook) Dr. Coyle has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Accordant. Dr. Coyle has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Amgen. Dr. Coyle has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Sanofi Genzyme. Dr. Coyle has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. Dr. Coyle has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for GlaxoSmithKline. Dr. Coyle has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Horizon Therapeutics. The institution of Dr. Coyle has received research support from CorEvitas LLC. The institution of Dr. Coyle has received research support from Genentech/Roche. The institution of Dr. Coyle has received research support from NINDS. The institution of Dr. Coyle has received research support from Sanofi Genzyme. The institution of Dr. Coyle has received research support from Cleveland Clinic.
Jacqueline A. Nicholas, MD (OhioHealth Riverside Methodist Hospital) Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genentech. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Bristol Myers Squib. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving as a Consultant for EMD Serono. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Greenwich Biosciences. Dr. Nicholas has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Nicholas 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. Nicholas has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for EMD Serono. Dr. Nicholas has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Genentech. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Vielo Bio. Dr. Nicholas has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Bristol Myers Squibb. The institution of Dr. Nicholas has received research support from Novartis. The institution of Dr. Nicholas has received research support from Biogen. The institution of Dr. Nicholas has received research support from Genentech. The institution of Dr. Nicholas has received research support from PCORI. Dr. Nicholas has a non-compensated relationship as a Physician with National MS Society that is relevant to AAN interests or activities. Dr. Nicholas has a non-compensated relationship as a Physician with Siegal Rare Neuroimmune Association that is relevant to AAN interests or activities.
Sven G. Meuth (Uniklinik Düsseldorf, Klinik für Neurologie) Sven G. Meuth has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Merck. Sven G. Meuth has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Almirall. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Celgene. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genzyme. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for TEVA. Sven G. Meuth has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche.
Bingbing Li Bingbing Li has received personal compensation for serving as an employee of Novartis.
Krishnan Ramanathan Krishnan Ramanathan has received personal compensation for serving as an employee of Novartis.
Wendy Su, PhD No disclosure on file
Roman Willi, PhD (Novartis Pharma AG) Dr. Willi has received personal compensation for serving as an employee of Novartis Pharma. Dr. Willi has received stock or an ownership interest from Novartis.
Dieter Haering Dieter Haering has received personal compensation for serving as an employee of Novartis.
Stephen L. Hauser, MD (UCSF Weill Institute for Neurosciences) Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for NGM Bio. Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Moderna. Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BD. Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Pheno Therapeutics. Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Nurix Therapeutics. Dr. Hauser has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Gilead. Dr. Hauser has received personal compensation in the range of $0-$499 for serving on a Scientific Advisory or Data Safety Monitoring board for Accure. Dr. Hauser has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alector. Dr. Hauser has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Hinge Therapeutics. Dr. Hauser has received personal compensation in the range of $10,000-$49,999 for serving as an officer or member of the Board of Directors for Neurona. Dr. Hauser has a non-compensated relationship as a Clinical Trial/Primary Investigator with Roche that is relevant to AAN interests or activities. Dr. Hauser has a non-compensated relationship as a Clinical Trial/Primary Investigator with Novartis that is relevant to AAN interests or activities.