https://www.fiercepharma.com/pharma/docs-excited-to-learn-more-about-new-migraine-drugs-from-biohaven-lilly-and-abbvie-analyst?mkt_tok=eyJpIjoiTTJOak5ERXpZVEJqTnpNMSIsInQiOiJXTzZiWm5MS1R5MERmRnlCRWVTQWN3T010TmwrZXhyTjhkWXlxK2VydmMzaElcL3lJSHNFd2NKTFJHdzFaSHRudzIxSFwvSXZ2aEpRazhZcXAwWnB1NGwzY0drU3BrR2lteFQrd28zclVYYktSamNEZFAyWkFia0pMMlhENmJyRzBlMERBa253RUorM0pueHZOYWN3T0tcL1E9PSJ9&mrkid=125950754 Looks like market going more to acute treatment and also mentions that Aimovig seems to have a reputation for constipation.