Affiliation:
1. Headache Center of Southern California Carlsbad California USA
2. Clinical Pharmacology AbbVie Inc. Madison New Jersey USA
3. MedStar Georgetown University Hospital Washington District of Columbia USA
4. The Saul R. Korey Department of Neurology Albert Einstein College of Medicine Bronx New York USA
5. Department of Psychiatry and Behavioral Sciences Albert Einstein College of Medicine Bronx New York USA
6. Department of Epidemiology & Population Health Albert Einstein College of Medicine Bronx New York USA
Abstract
AbstractObjectiveTo evaluate potential drug–drug interactions of ubrogepant and atogepant.BackgroundUbrogepant and atogepant, calcitonin gene‐related peptide (CGRP) receptor antagonists, are recently approved drugs for acute and preventive treatment of migraine, respectively. For patients with migraine who are prescribed atogepant for the preventive treatment of migraine, health care providers could prescribe ubrogepant for the acute treatment of breakthrough migraine attacks.MethodsA phase Ib, multi‐center, open‐label, fixed‐sequence study was conducted in participants diagnosed with migraine for at least 1 year. To assess the primary objective of pharmacokinetic interactions in this phase I trial, the highest United States Food and Drug Administration‐approved individual dose strengths of atogepant (60 mg once daily) and ubrogepant (100 mg) were utilized, with ubrogepant being administered on a fixed‐dose schedule every 3 days, regardless of whether a participant was experiencing a migraine attack. Secondary endpoints included safety and tolerability. Clinical safety measurements were monitored throughout the study.ResultsOf the 31 participants enrolled, 26 completed the study. A single dose of ubrogepant had no statistically significant effect on atogepant pharmacokinetics. Co‐administration of ubrogepant with atogepant resulted in a 19% increase (geometric mean ratio 118.80, 90% confidence interval [CI] 108.69–129.84) in the ubrogepant area under the plasma concentration‐time curve and a 26% increase (geometric mean ratio 125.63, 90% CI 105.58–149.48) in the ubrogepant maximum plasma concentration. These statistically significant changes in ubrogepant exposure were not clinically meaningful, and no new safety concerns were identified for the combination.ConclusionThe combination use of atogepant and ubrogepant was safe and well tolerated in adult participants with a history of migraine enrolled in the study. Pharmacokinetic changes during co‐administration were not clinically meaningful.
Subject
Neurology (clinical),Neurology
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