This study will evaluate the efficacy, safety and tolerability of atogepant in participants with chronic migraine. This study includes a 12-week treatment period.



Eligible Ages
Between 18 Years and 80 Years
Eligible Genders
Accepts Healthy Volunteers

Inclusion Criteria

  • At least a 1-year history of CM consistent with a diagnosis according to the ICHD-3, 2018
  • Age of the participant at the time of migraine onset < 50 years
  • Confirmation of headache/migraine headache day frequency as follows:
  • History of, on average, ≥ 15 headache days per month in the 3 months prior to Visit 1 in the opinion of the investigator AND
  • ≥ 15 headache days during the 4-week screening/baseline period per the electronic diary (eDiary) AND
  • ≥ 8 days during the 4-week screening/baseline period that qualify as being a migraine day per the eDiary
  • Participants must be using a medically acceptable and effective method of birth control during the course of the entire study,

Exclusion Criteria

  • Has a history of migraine, accompanied by diplopia or decreased level of consciousness, or retinal migraine
  • Has a current diagnosis of new persistent daily headache, trigeminal autonomic cephalgia (eg, cluster headache), or painful cranial neuropathy
  • History of an inadequate response to > 4 medications (2 of which have different mechanisms of action) prescribed for the prevention of migraine
  • Woman is pregnant, planning to become pregnant during the course of the study, or currently lactating. Women of childbearing potential must have a negative urine pregnancy test at Visit 1 and Visit 2.

Study Design

Phase 3
Study Type
Intervention Model
Parallel Assignment
Primary Purpose
Triple (Participant, Care Provider, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Active Comparator
Atogepant 30 mg BID
Taken twice daily
  • Drug: Atogepant 30 mg
    Tablets containing 30 mg atogepant
Active Comparator
Atogepant 60 mg
Taken once daily
  • Drug: Atogepant 60 mg
    Tablets containing 60 mg atogepant
Placebo Comparator
Taken twice daily
  • Drug: Placebo
    30 mg/60 mg tablets containing atogepant-matching placebo

Recruiting Locations

MedStar Georgetown Neurology
McLean, Virginia 22101

More Details


Study Contact

Clinical Trials Registry Team


Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.