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Abstract Details

Long-Term Efficacy of Fremanezumab in Patients Who Reverted From a Chronic to an Episodic Migraine Classification
Headache
S17 - Headache: Clinical Trials I (1:55 PM-2:06 PM)
006

Patients with CM experience more-frequent headaches and greater disability than patients with EM. Fremanezumab, a fully humanized monoclonal antibody (IgG2Δa) that selectively targets calcitonin gene-related peptide (CGRP), is approved in the US for the preventive treatment of migraine.  

To evaluate the long-term efficacy of fremanezumab in adults with chronic migraine (CM) who reverted to episodic migraine (EM). 
In this 52-week, multicenter, randomized, double-blind, parallel-group study, CM patients received either subcutaneous fremanezumab monthly (225 mg every month; a starting dose of 675 mg) or quarterly (675 mg every 3 months). This post hoc analysis evaluated fremanezumab efficacy in a subgroup of patients who reverted from CM to EM, defined as ≥15 monthly headache days at baseline and <15 headache days at Month 12.
Of 813 patients with CM at baseline, 548 reverted from CM to EM. In this subgroup, the mean change in the monthly number of headache days of at least moderate severity from baseline to Month 6 was –7.6 for quarterly and –7.7 for monthly dosing, and from baseline to Month 12 was –8.8 for quarterly and –8.5 for monthly dosing. The mean change in monthly number of migraine days from baseline to Month 6 was –8.9 for quarterly and –9.2 for monthly dosing; from baseline to Month 12 it was –10.3 for quarterly and –10.4 for monthly dosing. The mean change in any acute headache medication use from baseline to Month 6 was –7.0 for quarterly and –7.2 for monthly dosing; from baseline to Month 12 it was –8.2 for quarterly and –8.1 for monthly dosing. 
In patients who reverted from CM to EM, monthly headache days, migraine days, and days of acute headache medication use decreased progressively from baseline to Month 6 and through Month 12 in both dosing groups.
Authors/Disclosures
Richard B. Lipton, MD, FAAN (Albert Einstein College of Medicine)
PRESENTER
Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Allergan/Abbvie. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Amgen. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biohaven. Dr. Lipton has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Eli Lilly. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Lundbeck. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for GlaxoSmithKline. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Teva. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Vedanta. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Grifols. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Pfizer. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Axon. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Satsuma. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genentech. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Cool Tech. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BDSI. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Linpharma. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Axsome. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Clexio. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Shiratronics. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Allergan/Abbvie. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biohaven. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Eli Lilly. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lundbeck. Dr. Lipton has stock in Biohaven. Dr. Lipton has stock in Manistee. Dr. Lipton has stock in Axon. Dr. Lipton has stock in CoolTech. The institution of Dr. Lipton has received research support from Teva. The institution of Dr. Lipton has received research support from Amgen. The institution of Dr. Lipton has received research support from Allergan/Abbvie. The institution of Dr. Lipton has received research support from Gammacore. The institution of Dr. Lipton has received research support from Axsome. The institution of Dr. Lipton has received research support from Charleston Labs. The institution of Dr. Lipton has received research support from Eli Lilly. The institution of Dr. Lipton has received research support from Satsuma. The institution of Dr. Lipton has received research support from NIH . The institution of Dr. Lipton has received research support from Veterans Administration. Dr. Lipton has received publishing royalties from a publication relating to health care.
No disclosure on file
Paul P. Yeung, MD, PhD No disclosure on file
No disclosure on file
Michael Seminerio Michael Seminerio has received personal compensation for serving as an employee of AbbVie.
Verena Ramirez Campos, MD (Teva) Dr. Ramirez Campos has received personal compensation for serving as an employee of teva.
Rashmi B. Halker Singh, MD, FAAN (Mayo Clinic) Dr. Halker Singh has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Pfizer. Dr. Halker Singh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for AbbVie. Dr. Halker Singh has received personal compensation in the range of $0-$499 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Current Neurology & Neuroscience Reports. Dr. Halker Singh has received personal compensation in the range of $10,000-$49,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Headache Journal. Dr. Halker Singh has received publishing royalties from a publication relating to health care. Dr. Halker Singh has received personal compensation in the range of $5,000-$9,999 for serving as a CME speaker with Pri-med. Dr. Halker Singh has received personal compensation in the range of $500-$4,999 for serving as a CME speaker with Medscape.
Jessica Ailani, MD, FAAN (Medstar Georgetown Neurology) Dr. Ailani has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Abbvie. Dr. Ailani has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Eli Lilly. Dr. Ailani has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Lundbeck. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Satsuma. Dr. Ailani has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Pfizer. Dr. Ailani has received personal compensation in the range of $0-$499 for serving as a Consultant for Gore. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Ipsen. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merz. Dr. Ailani has received personal compensation in the range of $0-$499 for serving as a Consultant for Scilex. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Dr. Reddy. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Linpharma. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Vectura. Dr. Ailani has received personal compensation in the range of $0-$499 for serving as a Consultant for Aeon. Dr. Ailani has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Abbvie. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Linpharma. Dr. Ailani has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Aeon. Dr. Ailani has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Self Magazine. The institution of Dr. Ailani has received research support from Ipsen. The institution of Dr. Ailani has received research support from Parema. The institution of Dr. Ailani has received research support from Lundbeck. Dr. Ailani has a non-compensated relationship as a Executive Board Member with American Headache Society that is relevant to AAN interests or activities.