AbbVie Inc. announced an interim analysis of an ongoing Phase 3, open-label 156-week extension study evaluating the long-term safety and tolerability of oral atogepant for the prevention of migraine in participants with chronic or episodic migraine. The overall long-term safety results were consistent with the known safety profile of atogepant in chronic and episodic migraine, and no new safety signals were identified. These results also support improvements in key efficacy outcomes, including reduction in monthly acute medication use days.

The extension study included participants who had enrolled in the Phase 3 PROGRESS and ELEVATE clinical trials with a baseline monthly migraine day burden of 14.5 days and completed these studies. Key findings from the interim analysis include: Monthly migraine days improved on average by 8.5 days at Weeks 13-16 and this was consistent over 48 weeks. Similar improvements were observed for monthly headache days and monthly acute medication use days.

70% of subjects achieved =50% reduction in monthly migraine days at Weeks 13-16 and this was consistent during the 48 weeks of open-label treatment. Overall safety results were consistent with the known safety profile of atogepant 60 mg, and no new safety signals were identified. The most common treatment-emergent adverse events (=5%) were COVID-19 (28.7%), nasopharyngitis (10.9%), and constipation (8.2%).

Atogepant, also known as QULIPTA® in the U.S. and AQUIPTA® in the European Union (EU), is approved in 45 countries. It is an oral calcitonin gene-related peptide (CGRP) receptor antagonist proven to prevent both episodic and chronic migraine in adults. AbbVie will continue to pursue additional regulatory submissions for atogepant across international markets.