Extension Study to Evaluate the Long-Term Safety and Tolerability of Oral Atogepant for the Prevention of Migraine in Participants With Episodic Migraine
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Joel Trugman, MD
Allergan
Study Director
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
113 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Synexus Clinical Research Us, Inc.
Chandler, Arizona, United States
- Alea Research
Phoenix, Arizona, United States
- Central Phoenix Medical Clinic
Phoenix, Arizona, United States
- Orange Grove Family Practice
Tucson, Arizona, United States
- Principals Research Group
Hot Springs, Arkansas, United States
- Arkansas Clinical Research
Little Rock, Arkansas, United States
- Baptist Health Center for Clinical Research
Little Rock, Arkansas, United States
- Med Center Medical Clinic
Carmichael, California, United States
- California Headache and Balance Center
Fresno, California, United States
- Neuro Pain Medical Center
Fresno, California, United States
- Grossmont Center for Clinical Research
La Mesa, California, United States
- Paradigm Clinical Research Centers, Inc
La Mesa, California, United States
- Torrance Clinical Research Institute, Inc.
Lomita, California, United States
- Long Beach Clinical Trials Services
Long Beach, California, United States
- Newport Beach Clinical Research Associates
Newport Beach, California, United States
- Pharmacology Research Institute
Newport Beach, California, United States
- Excell Research, Inc.
Oceanside, California, United States
- Rancho Cucamonga Clinical Trials
Rancho Cucamonga, California, United States
- Desert Valley Research
Redlands, California, United States
- George J. Rederich, M.D. Inc.
Redondo Beach, California, United States
- Optimus Medical Group
San Francisco, California, United States
- California Neuroscience Research
Sherman Oaks, California, United States
- Alpine Clinical Research Center
Boulder, Colorado, United States
- Colorado Springs Neurological Associates
Colorado Springs, Colorado, United States
- Colorado Neurological Institute
Englewood, Colorado, United States
- New England Institute for Clinical Research
Stamford, Connecticut, United States
- Aventura Neurological Associates
Aventura, Florida, United States
- Neurology Offices of South Florida
Boca Raton, Florida, United States
- Sarkis Clinical Trials- Gainesville
Gainesville, Florida, United States
- Clinical Neuroscience Solutions, Inc.
Jacksonville, Florida, United States
- Westside Center for Clinical Research
Jacksonville, Florida, United States
- Well Pharma Medical Research, Corp
Miami, Florida, United States
- Clinical Neuroscience Solutions
Orlando, Florida, United States
- Neurology Associates of Ormond Beach
Ormond Beach, Florida, United States
- Sarasota Memorial Hospital Clinical Research Center
Sarasota, Florida, United States
- Meridien Research
St. Petersburg, Florida, United States
- Axiom Clinical Research of Florida
Tampa, Florida, United States
- University of South Florida
Tampa, Florida, United States
- Neurotrials Research
Atlanta, Georgia, United States
- Pediatric and Adolescent Neurodevelopmental Associates (panda) Neurology
Atlanta, Georgia, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 6 May 2019
- Primary completion
- 31 Mar 2021
- Completion
- 31 Mar 2021
- Last update posted
- 12 May 2022
- Registered enrollment
- 685
- Registry id
- NCT03939312
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.