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Abstract Details

Psychometric Evaluation of the Activity Impairment in Migraine-Diary (AIM-D) Using Data from a Phase 3 Clinical Trial (ADVANCE) in Patients with Episodic Migraine
Headache
Headache Posters (7:00 AM-5:00 PM)
039
To evaluate the psychometric properties and meaningful within-patient change (MWPC) estimates of the Activity Impairment in Migraine-Diary (AIM-D), using phase 3 trial data.
The AIM-D is a novel patient-reported outcome (PRO) measure consisting of 11 items and 2 domains, Performance of Daily Activities (PDA; 7 items) and Physical Impairment (PI; 4 items), designed to evaluate the impact of migraine on activity impairment. 
In a 12-week, double-blind, controlled trial (NCT03777059), participants with episodic migraine (EM) were randomized to receive atogepant 10mg QD, 30mg QD, 60mg QD, or placebo. AIM-D PDA and PI domains were key secondary endpoints and completed daily on an electronic diary. Psychometric properties were evaluated using confirmatory factor analysis (CFA), tests of reliability, validity (convergent and known-groups), responsiveness, and MWPC.
Of 910 participants enrolled, 719 were included in the PRO analysis (mean [range] age: 42 [18–73]; 88% were female). CFA supported the 2-domain factor structure. Both domains demonstrated good internal consistency (Cronbach’s alpha: PDA=0.98, PI=0.95), and test-retest reliability (intraclass correlation coefficients: PDA=0.77, PI=0.80). Construct validity was supported by moderate/strong correlations at baseline between the AIM-D domains and migraine/headache days (0.30–0.45) and activity level/limitation (0.33–0.92). Known-groups validity showed the 2 domain scores significantly differentiated groups defined by monthly migraine days (P<0.0001) and Patient Global Impression of Severity (PGI-S) (P<0.0001). Each domain score differed significantly across the anchors, PGI-S, Patient Global Impression of Change, and percent monthly migraine days. Anchor-based results demonstrated MWPC estimates of ≥9 points for the PDA domain and ≥6 points for the PI domain. 

Psychometric properties of the AIM-D were confirmed and MWPC estimates were established using phase 3 EM trial data. AIM-D is suitable for clinical trial endpoint measurement of the impact of migraine in patients with EM on performance of daily activities and physical impairment.
Authors/Disclosures
Pranav Gandhi
PRESENTER 		Pranav Gandhi has received personal compensation for serving as an employee of AbbVie. Pranav Gandhi has stock in AbbVie Inc.
Richard B. Lipton, MD, FÂ鶹´«Ã½Ó³»­ (Albert Einstein College of Medicine) 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 or had stock in Biohaven.Dr. Lipton has or had stock in Manistee.Dr. Lipton has or had stock in Axon.Dr. Lipton has or had 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
No disclosure on file
No disclosure on file
No disclosure on file
David W. Dodick, MD, FÂ鶹´«Ã½Ó³»­ (Atria Institute) Dr. Dodick has received personal compensation for serving as an employee of Mayo Clinic. Dr. Dodick has received personal compensation for serving as an employee of Atria Health. Dr. Dodick has received personal compensation for serving as an employee of Thomas Jefferson University . Dr. Dodick has received personal compensation for serving as an employee of Norwegian University of Science and Technology. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Amgen. Dr. Dodick has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Allergan. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Abbvie. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biohaven. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biopharm Communications. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Lundbeck. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Eli Lilly. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Teva. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Inside Practice Australia. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Clinical Â鶹´«Ã½Ó³»­ Alliance. Dr. Dodick has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Genentech. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Headache Cooperative of the Pacific . Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Medica Communications. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for MJ Healthcare. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Nocira. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Praxis. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Revance . Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Synapse Medical Communications. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Vector Psychometrics. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as a Consultant for Ayya Biosciences. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as a Consultant for Theranica. Dr. Dodick has received personal compensation in the range of $100,000-$499,999 for serving as a Consultant for Atria. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for WebMD. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Thomas Jefferson University. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Medforce. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Precision HEOR. Dr. Dodick has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Genentech. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Canadian Headache Society. Dr. Dodick has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Headache Cooperative of New England. Dr. Dodick has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Amgen Japan. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for KingDevick Technologies. Dr. Dodick has received personal compensation in the range of $1,000,000+ for serving as an officer or member of the Board of Directors for Precon Health. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for Ontologics. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for Matterhorn. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for Axon Therapeutics. Dr. Dodick has received personal compensation in the range of $0-$499 for serving as an officer or member of the Board of Directors for Cephalgia Group. Dr. Dodick has stock in Healint. Dr. Dodick has stock in Theranica. Dr. Dodick has stock in Aural Analytics . Dr. Dodick has stock in Epien. Dr. Dodick has stock in Matterhorn. Dr. Dodick has stock in Ontologics. Dr. Dodick has stock in Precon Health. Dr. Dodick has stock in King Devick Technologies. Dr. Dodick has stock in Nocira. Dr. Dodick has stock in Exsano. Dr. Dodick has stock in Palion. Dr. Dodick has stock in AYYA Biosciences. Dr. Dodick has stock in Perfood. Dr. Dodick has stock in Cephalgia Group. Dr. Dodick has stock in Atria Health. Dr. Dodick has stock in Man and Science. Dr. Dodick has stock in Eigenlyfe. An immediate family member of Dr. Dodick has stock in ScotiaLyfe. Dr. Dodick has stock in Axon Therapeutics. The institution of Dr. Dodick has received research support from Department of Defense. The institution of Dr. Dodick has received research support from Patient Centered Outcomes Research Institute. The institution of Dr. Dodick has received research support from Henry Jackson Foundation. Dr. Dodick has received intellectual property interests from a discovery or technology relating to health care. Dr. Dodick has received intellectual property interests from a discovery or technology relating to health care. Dr. Dodick has received intellectual property interests from a discovery or technology relating to health care. Dr. Dodick has received publishing royalties from a publication relating to health care. Dr. Dodick has received publishing royalties from a publication relating to health care. Dr. Dodick has received publishing royalties from a publication relating to health care. Dr. Dodick has a non-compensated relationship as a Chair with American Brain Foundation that is relevant to Â鶹´«Ã½Ó³»­ interests or activities. Dr. Dodick has a non-compensated relationship as a Committee member/Course Director with Â鶹´«Ã½Ó³»­ that is relevant to Â鶹´«Ã½Ó³»­ interests or activities. Dr. Dodick has a non-compensated relationship as a Chair/Immediate Past Chair with American Migraine Foundation that is relevant to Â鶹´«Ã½Ó³»­ interests or activities. Dr. Dodick has a non-compensated relationship as a Chair Global Patient Advocacy Coalition with International Headache Society that is relevant to Â鶹´«Ã½Ó³»­ interests or activities.