Inclusion Criteria:

• History of migraine (with or without aura) according to the International Classification of Headache Disorders 3rd Edition (ICHD-3) for >= 12 months prior to Visit 1/Screening.
• History of 2 to 8 migraine attacks of moderate to severe headache pain in each of the 3 months prior to Visit 1/Screening per investigator judgment.
• Migraine onset before the age of 50.
• History of migraines lasting between 4 and 72 hours when untreated or treated unsuccessfully and migraine episodes separated by at least 48 hours of headache pain freedom.

Exclusion Criteria:

• History of an average of 15 or more headache days per month in the 6 months prior to Visit 1/Screening per the investigator's judgment, or a current diagnosis of chronic migraine as defined by ICHD-3.
• Require hospital/emergency room treatment for migraine attacks on 3 or more occasions within 6 months prior to Visit 1/Screening.