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Abstract Details

Efficacy and Safety of Ravulizumab in Adults With Anti-Aquaporin-4 Antibody-Positive (AQP4-Ab+) Neuromyelitis Optica Spectrum Disorder (NMOSD): Interim Analysis From the Ongoing Phase 3 CHAMPION-NMOSD Trial
Autoimmune Neurology
S38 - NMOSD, MOGAD, Demyelinating, and Other (2:12 PM-2:24 PM)
007
To report the interim efficacy and safety (data cutoff: Jun 14, 2024) of ravulizumab in AQP4-Ab+ NMOSD.
CHAMPION-NMOSD (NCT04201262) is an ongoing global, open-label, phase 3 study evaluating ravulizumab in adults with AQP4-Ab+ NMOSD.
Participants received an intravenous, weight-based loading dose of ravulizumab on day 1 and a maintenance dose on day 15 and every 8 weeks thereafter. Following a primary treatment period (PTP; up to 2.5 years), patients could enter a long-term extension (LTE). PTP primary endpoints were time to first adjudicated on-trial relapse (OTR) and relapse risk reduction. Secondary endpoints included adjudicated OTR rate, change from baseline in Hauser Ambulation Index (HAI) and Expanded Disability Status Scale (EDSS) scores, and safety.
As of 14Jun2024, 58 patients enrolled in the PTP; 56/41 entered/completed the LTE. Median (range) follow-up was 170.3 (11.0-233.9) weeks, with 186.6 patient-years. Across the PTP and LTE, no patients had an adjudicated OTR. 94.8% (55/58 patients) had stable or improved HAI. 89.7% (52/58 patients) had no clinically important worsening in EDSS score. Treatment-emergent adverse event (TEAE) and serious adverse event incidences were 94.8% and 25.9%, respectively. Most TEAEs were mild in severity and unrelated to ravulizumab. TEAEs leading to withdrawal from study drug occurred in 1 patient. Two cases of meningococcal infection occurred during the PTP and none in the extension period. One death (cardiovascular) unrelated to ravulizumab occurred during the LTE.
Consistent with outcomes during the PTP, no patients treated with ravulizumab experienced an adjudicated relapse, and most demonstrated stable or improved disability measures through the longer-term 170.3-week median follow-up. The safety profile is consistent with prior analyses, and notably no new meningococcal infections beyond the 2 during the PTP were observed. Together, these findings demonstrate the long-term clinical benefit of ravulizumab in the prevention of relapses in AQP4-Ab+ NMOSD.
Authors/Disclosures
Sean J. Pittock, MD, FAAN (Mayo Clinic Dept of Neurology)
PRESENTER 		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 Arialys Therapeutics. 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 personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for UCB. 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 Roche/Genentech. The institution of Dr. Pittock has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Alexion/AstraZeneka. The institution of Dr. Pittock has received research support from NIH. The institution of Dr. Pittock has received research support from Alexion/AstraZeneka. The institution of Dr. Pittock has received research support from F. Hoffman/LaRoche/Genentech. 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.
Michael Barnett, MBBS Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Clene Nanomedicine. Dr. Barnett 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. Barnett 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. Barnett has received personal compensation in the range of $5,000-$9,999 for serving as an Expert Witness for Novartis. An immediate family member of Dr. Barnett has stock in Sydney Neuroimaging Analysis Centre. The institution of Dr. Barnett has received research support from BMS. Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving as a Moderator/Speaker with Beamtree. Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving as a Speaker with Biogen. Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving as a Speaker with Roche. Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving as a Speaker with Novartis. Dr. Barnett has received personal compensation in the range of $500-$4,999 for serving as a Speaker with Alexion.
Jeffrey L. Bennett, MD, PhD, FAAN (University of Colorado School of Medicine) Dr. Bennett has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Amgen. Dr. Bennett has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Alexion. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genentech. Dr. Bennett has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Roche. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Mitsubishi Tanabe. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Immpact Bio. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Chugai. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Beigene. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Imcyse. Dr. Bennett 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. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for MIAC. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for CorEvitas. Dr. Bennett has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Alexion. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Vindico. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Touch IME. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Efficient LLC. Dr. Bennett has received personal compensation in the range of $10,000-$49,999 for serving as an Expert Witness for Pavich. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for Marie Bush. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for Marks Gray. Dr. Bennett has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for Knight, Nicastro, MacKay. The institution of Dr. Bennett has received research support from Alexion. Dr. Bennett has received intellectual property interests from a discovery or technology relating to health care. Dr. Bennett has received publishing royalties from a publication relating to health care.
Achim Berthele (School of Medicine, Technical University Munich, Klinikum rechts der Isar, Dept.) Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Bayer. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Celgene. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Merck. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alexion. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Biogen. Achim Berthele has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion.
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.
Michael Levy, MD, PhD, FAAN (Massachusetts General Hospital/Harvard Medical School) Dr. Levy has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Mitsubishi Pharma. Dr. Levy has received personal compensation in the range of $500-$4,999 for serving as a Consultant for UCB Pharma. Dr. Levy has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Sanofi. Dr. Levy 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. Levy has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Horizon. Dr. Levy 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. Levy has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Elsevier. Dr. Levy has received personal compensation in the range of $10,000-$49,999 for serving as an Expert Witness for Various law firms. The institution of Dr. Levy has received research support from National Institutes Health.
Ichiro Nakashima, MD, PhD (Department of Neurology, Tohoku Medical and Pharmaceutical University Hospital) Dr. Nakashima 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. Nakashima 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. Nakashima 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. Nakashima has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Chugai. Dr. Nakashima has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Alexion. Dr. Nakashima has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Biogen. Dr. Nakashima has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Novartis. Dr. Nakashima has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Chugai. The institution of Dr. Nakashima has received research support from LSI Medience.
Celia Oreja Guevara Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving as a Consultant for sanofi. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving as a Consultant for roche. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving as a Consultant for merck. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for merck. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for roche. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for sanofi. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for novartis. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for viatris. Celia Oreja Guevara has received personal compensation in the range of $0-$499 for serving on a Speakers Bureau for biogen. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for bms. Celia Oreja Guevara has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for jannsen.
Jacqueline Palace (John Radcliff Hospital Oxford Univeristy Hospitals Trust) Dr. Palace has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Merck Serono, Medimmune, Argenx, Janssen, AMgen, UCB, Roche, Novartis, Amplo, Alexion, . Dr. Palace 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, Sanofi. Dr. Palace has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Roche, UCB, Alexion, Amgen. Dr. Palace has stock in Astra Zenica. The institution of Dr. Palace has received research support from Roche, AMPLO, Alexion, UCB,. argenx, amgen. Dr. Palace has received intellectual property interests from a discovery or technology relating to health care.
Friedemann Paul (Charite Universitatsmedizin in Berlin) Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Hexal. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Alexion. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Hexal. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Hoffmann-La Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Bristol-Myers Squibb GmbH & Co. KGaA (BMS. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Hexal. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Teva. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Horizon Therapeutics GmbH. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Hexal. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Paul has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for UCB. Dr. Paul has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Paul has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for UCB. Dr. Paul 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. Paul 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. Paul has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for sanofi. Dr. Paul 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. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for F&U Confirm. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Bristol Myers Squibb GesmbH. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for MICE Service. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Biogen. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Amgen. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Sanofi. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for VINDICO medical education. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Amgen. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for UCB. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Sanofi. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Beijing Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Sandoz Internation GmbH. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Amgen. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Novartis. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche Thailand. Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche . Dr. Paul has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion.
Carlo Pozzilli Carlo Pozzilli has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novartis. Carlo Pozzilli has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche. Carlo Pozzilli has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Merck. Carlo Pozzilli has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion.
Kerstin Allen Kerstin Allen has received personal compensation for serving as an employee of Alexion, AstraZeneca Rare Disease. Kerstin Allen has stock in Alexion, AstraZeneca Rare Diseas.
Becky J. Parks, MD (Blueprint Medicines) Dr. Parks has received personal compensation for serving as an employee of Alexion Pharmaceuticals. Dr. Parks has stock in Biogen. Dr. Parks has stock in Illumina. An immediate family member of Dr. Parks has stock in Regeneron. Dr. Parks has stock in Blueprint Medicines. Dr. Parks has stock in Sanofi. An immediate family member of Dr. Parks has stock in Vertex. Dr. Parks has stock in AstraZeneca. The institution of an immediate family member of Dr. Parks has received research support from NIH/NCI. The institution of an immediate family member of Dr. Parks has received research support from Leukemia & Lymphoma Society. The institution of an immediate family member of Dr. Parks has received research support from AstraZeneca Scholar Award.
Ho Jin Kim, MD (National Cancer Center) Dr. Kim has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Altos Biologics, AstraZeneca, Biogen, Daewoong Pharmaceutical, Kaigene, Kolon Life Science, MDimune, Roche, and Sanofi. Dr. Kim has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Alexion, AstraZeneca, Eisai, GC Pharma, Merck, Mitsubishi Tanabe Pharma, and Roche. Dr. Kim has received personal compensation in the range of $5,000-$9,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Multiple Sclerosis Journal, Journal of Clinical Neurology.