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Abstract Details

Long-term Effect of Ofatumumab on Serum Immunoglobulin Levels in Patients with Relapsing Multiple Sclerosis
Multiple Sclerosis
P9 - Poster Session 9 (8:00 AM-9:00 AM)
6-007
Evaluate the effect of ofatumumab on serum immunoglobulin (Ig) levels ≤5 years during the core phase 3 ASCLEPIOS I/II (NCT02792218/NCT02792231) and on-going open-label ALITHIOS (NCT03650114) extension studies.
Cumulative safety data from core phase 3 clinical trials and ALITHIOS extension study have shown that most patients with relapsing multiple sclerosis treated with ofatumumab ≤ 4 years had serum IgG and IgM levels that remained above lower limit of normal (LLN).
Change in IgG/IgM levels from baseline for up to 5 years of ofatumumab treatment was analyzed in the overall (N=1969), continuous (ofatumumab in core+extension; N=1292), and switch (teriflunomide in core, ofatumumab in extension; N=677) groups. Proportion of patients with IgG/IgM levels <LLN and the number of patients with serious infections within 1 month before/after IgG/IgM <LLN were analyzed.
In the overall group, IgG levels did not drop below LLN in 98% of patients at any assessment from the first dose of ofatumumab for ≤5 years. Mean IgG levels remained stable for ≤5 years (mean % change from baseline to Week 264, −2%). Serious infections were reported in 7.5% of patients with IgG levels <LLN. IgM levels did not drop below LLN at any assessment in 69.4% of patients. Although mean IgM levels decreased, they remained above LLN (mean % change from baseline to Week 264, −49%). 1.7% of patients with IgM levels <LLN had serious infections. Treatment interruptions/discontinuations were reported in 0.2%/0.2% and 10.3%/3.6% patients due to low IgG and IgM, respectively. Sensitivity analyses demonstrated that interruptions/ discontinuations did not affect the overall IgG/IgM pattern.
With ≤5 years of ofatumumab treatment, the majority of patients did not have Ig levels that dropped below the LLN at any assessment. Overall, the number of serious infections was low in patients with Ig levels that dropped below the LLN.
Authors/Disclosures
Amit Bar-Or, MD, FRCPC (University of Pennsylvania)
PRESENTER 		Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche Genentech. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merk/EMD Serono. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sanofi-Genzyme. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving as a Consultant for cabaletta. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche/Genentech. Dr. Bar-Or 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. Bar-Or has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Merck/EMD Serono. Dr. Bar-Or has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sanofi/Genzyme. The institution of Dr. Bar-Or has received research support from Novartis. The institution of Dr. Bar-Or has received research support from Biogen. The institution of Dr. Bar-Or has received research support from Roche/Genentech.
Heinz Wiendl, MD, FAAN (University of Freiburg) Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Bristol Myers Squibb. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Novartis. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Roche. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Sanofi. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Immunovant. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Johnson&Johnson / Janssen. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for UCB. Dr. Wiendl has received personal compensation in the range of $0-$499 for serving as a Consultant for Idorsia. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Argenx. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Immunic. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Merck. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lundbeck. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for LTS. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Samsung. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sangamo. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Dianthus. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for EMD Serono. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for INmune Bio_Syneos Health. Dr. Wiendl has received personal compensation in the range of $0-$499 for serving as a Consultant for Muna Therapeutics. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Myrobalan Therapeutics. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for PSL Group. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Red Nucleus. Dr. Wiendl has received personal compensation in the range of $0-$499 for serving as a Consultant for Swiss Multiple Sclerosis Society. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Teladoc Health. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Toleranzia . Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Viatris. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Biogen. Dr. Wiendl 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 Serono. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Janssen. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Dr. Wiendl has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Argenx. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Bristol Myers Squibb. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sandoz. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sandoz-Hexal. Dr. Wiendl has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Cellerys. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Uniqure. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biocryst. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Galapagos. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Idorsia. Dr. Wiendl has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biontech. The institution of Dr. Wiendl has received research support from Biogen. The institution of Dr. Wiendl has received research support from Roche. The institution of Dr. Wiendl has received research support from Deutsche Forschungsgemeinschaft. The institution of Dr. Wiendl has received research support from European Union. The institution of Dr. Wiendl has received research support from Argenx. The institution of Dr. Wiendl has received research support from CSL Behring. The institution of Dr. Wiendl has received research support from Merck. The institution of Dr. Wiendl has received research support from UCB. Dr. Wiendl has received research support from Alexion Syneos Health iVH UK Ltd.. The institution of Dr. Wiendl has received research support from Deutsche Myasthenie-Gesellschaft. The institution of Dr. Wiendl has received research support from Winicker Norimed GmbH. The institution of Dr. Wiendl has received research support from Novartis. Dr. Wiendl has received publishing royalties from a publication relating to health care. Dr. Wiendl has received publishing royalties from a publication relating to health care. Dr. Wiendl has received publishing royalties from a publication relating to health care.
Jerome De Seze Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma. Jerome De Seze has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pharma.
Jorge D. Correale, MD (Institute for Neurological Research) Dr. Correale has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sanofi-Genzyme. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for ROche. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Merck. Dr. Correale has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Correale 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. Correale has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sanofi-Genzyme. The institution of Dr. Correale has received research support from Merck. The institution of Dr. Correale has received research support from Biogen. The institution of Dr. Correale has received research support from Novartis .
Anne H. Cross, MD, FAAN (Washington University School of Medicine) Dr. Cross has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Genentech / F. Hoffman la Roche. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Novartis. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for TG Therapeutics. Dr. Cross has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Bristol Myers Squibb . Dr. Cross has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Octave. Dr. Cross has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sanofi. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for EMD Serono. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Genentech. Dr. Cross has received personal compensation in the range of $0-$499 for serving on a Scientific Advisory or Data Safety Monitoring board for Bristol Myers Squibb. Dr. Cross has received personal compensation in the range of $5,000-$9,999 for serving as an officer or member of the Board of Directors for Consortium of MS Centers. Dr. Cross has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for AAN. The institution of Dr. Cross has received research support from Genentech. Dr. Cross has received intellectual property interests from a discovery or technology relating to health care.
Tobias Derfuss An immediate family member of Tobias Derfuss has received personal compensation for serving as an employee of Roche. The institution of Tobias Derfuss has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Biogen. The institution of Tobias Derfuss has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Novartis. The institution of Tobias Derfuss has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Merck. The institution of Tobias Derfuss has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Roche. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Celgene. The institution of Tobias Derfuss has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for GeNeuro. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Alexion. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Neuraxpharm. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Amgen. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Johnson&Johnson. The institution of Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck Sharp Dome. Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for MedDay. Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Actelion. The institution of Tobias Derfuss has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for Merck. Tobias Derfuss has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for Roche. An immediate family member of Tobias Derfuss has stock in Novartis. An immediate family member of Tobias Derfuss has stock in Roche. The institution of Tobias Derfuss has received research support from Roche. The institution of Tobias Derfuss has received research support from Biogen. The institution of Tobias Derfuss has received research support from Alexion.
Krzysztof W. Selmaj (University of Warmia and Mazury) Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BMS. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Astra. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for BMS. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Astra. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Biogen. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Novartis. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for BMS. Krzysztof W. Selmaj has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Merck.
Kevin Winthrop Kevin Winthrop has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Johnson & Johnson .
Paul S. Giacomini, MD (Montreal Neurological Institute) Dr. Giacomini has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Innodem Neurosciences. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Novartis. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for F. Hoffmann- La Roche. Dr. Giacomini 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. Giacomini has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Bristol Myers Squibb. Dr. Giacomini has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for EMD Serono. Dr. Giacomini has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for F. Hoffmann-La Roche. Dr. Giacomini has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Giacomini 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. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Biogen. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for F. Hoffman-La Roche. Dr. Giacomini has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Novartis. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for EMD Serono. Dr. Giacomini has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Sanofi.
Francesco Sacca, MD, FAAN (University Federico II) Dr. Sacca has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Alexion. Dr. Sacca has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Argenx. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lexeo. Dr. Sacca has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biogen. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genpharm. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Medpharma. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Madison Pharma. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Zai Lab. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Dianthus. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Reata. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sandoz. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Neopharm Israel. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Johnson&Johnson. Dr. Sacca has received personal compensation in the range of $500-$4,999 for serving as a Consultant for UCB. Dr. Sacca has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Astrazeneca. The institution of Dr. Sacca has received research support from AIFA. The institution of Dr. Sacca has received research support from FARA.
Xixi Hu Xixi Hu has received personal compensation for serving as an employee of Novartis. Xixi Hu has stock in Novartis.
Roseanne Sullivan (novartis) Roseanne Sullivan has received personal compensation for serving as an employee of Novartis Pharmaceuticals. Roseanne Sullivan has stock in Novartis Pharmaceuticals.
Valentine Jehl (Novartis) Valentine Jehl has received personal compensation for serving as an employee of Novartis Pharma AG. Valentine Jehl has stock in Novartis. Pharma AG.
Ibolya Boer, MD Ibolya Boer has received personal compensation for serving as an employee of Novartis AG.
Alit Bhatt Alit Bhatt has nothing to disclose.
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.