ClinicalTrials.gov record
Extension Study to Evaluate the Long-Term Safety and Tolerability of Oral Atogepant for the Prevention of Migraine in Participants With Episodic Migraine
ClinicalTrials.gov ID: NCT03939312
Public ClinicalTrials.gov record NCT03939312. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
ClinicalTrials.gov public records Last synced May 20, 2026, 10:02 AM EDT
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 3, Multicenter, Open-Label 40-week Extension Study to Evaluate the Long-Term Safety and Tolerability of Oral Atogepant for the Prevention of Migraine in Participants With Episodic Migraine
Study identification
- NCT ID
- NCT03939312
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Allergan
- Industry
- Enrollment
- 685 participants
Conditions and interventions
Conditions
Interventions
- Atogepant Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 5, 2019
- Primary completion
- Mar 30, 2021
- Completion
- Mar 30, 2021
- Last update posted
- May 11, 2022
2019 – 2021
United States locations
- U.S. sites
- 113
- U.S. states
- 32
- U.S. cities
- 94
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Synexus Clinical Research US, Inc. | Chandler | Arizona | 85224 | — |
| Alea Research | Phoenix | Arizona | 85012 | — |
| Central Phoenix Medical Clinic | Phoenix | Arizona | 85020 | — |
| Orange Grove Family Practice | Tucson | Arizona | 85741 | — |
| Principals Research Group | Hot Springs | Arkansas | 71901 | — |
| Arkansas Clinical Research | Little Rock | Arkansas | 72205 | — |
| Baptist Health Center for Clinical Research | Little Rock | Arkansas | 72205 | — |
| Med Center Medical Clinic | Carmichael | California | 95608 | — |
| Neuro Pain Medical Center | Fresno | California | 93710 | — |
| California Headache and Balance Center | Fresno | California | 93720 | — |
| Grossmont Center for Clinical Research | La Mesa | California | 91942 | — |
| Paradigm Clinical Research Centers, Inc | La Mesa | California | 91942 | — |
| Torrance Clinical Research Institute, Inc. | Lomita | California | 90731 | — |
| Long Beach Clinical Trials Services | Long Beach | California | 90806 | — |
| Pharmacology Research Institute | Newport Beach | California | 92660 | — |
| Newport Beach Clinical Research Associates | Newport Beach | California | 92663 | — |
| Excell Research, Inc. | Oceanside | California | 92056 | — |
| Rancho Cucamonga Clinical Trials | Rancho Cucamonga | California | 91730 | — |
| Desert Valley Research | Redlands | California | 92374 | — |
| George J. Rederich, M.D. Inc. | Redondo Beach | California | 90277 | — |
| Optimus Medical Group | San Francisco | California | 94102 | — |
| California Neuroscience Research | Sherman Oaks | California | 91403 | — |
| Alpine Clinical Research Center | Boulder | Colorado | 80301 | — |
| Colorado Springs Neurological Associates | Colorado Springs | Colorado | 80907 | — |
| Colorado Neurological Institute | Englewood | Colorado | 80113 | — |
| New England Institute for Clinical Research | Stamford | Connecticut | 06905 | — |
| Aventura Neurological Associates | Aventura | Florida | 33180 | — |
| Neurology Offices of South Florida | Boca Raton | Florida | 33428 | — |
| Sarkis Clinical Trials- Gainesville | Gainesville | Florida | 32607 | — |
| Westside Center for Clinical Research | Jacksonville | Florida | 32205 | — |
| Clinical Neuroscience Solutions, Inc. | Jacksonville | Florida | 32256 | — |
| Well Pharma Medical Research, Corp | Miami | Florida | 33173 | — |
| Clinical Neuroscience Solutions | Orlando | Florida | 32801 | — |
| Neurology Associates of Ormond Beach | Ormond Beach | Florida | 32174 | — |
| Sarasota Memorial Hospital Clinical Research Center | Sarasota | Florida | 34239 | — |
| Meridien Research | St. Petersburg | Florida | 33709 | — |
| Axiom Clinical Research of Florida | Tampa | Florida | 33609 | — |
| University of South Florida | Tampa | Florida | 33612 | — |
| Neurotrials Research | Atlanta | Georgia | 30328 | — |
| Pediatric and Adolescent NeuroDevelopmental Associates (PANDA) Neurology | Atlanta | Georgia | 30328 | — |
| Synexus Clinical Research, Inc | Atlanta | Georgia | 30328 | — |
| Meridian Clinical Research, LLC | Savannah | Georgia | 31406 | — |
| Diamond Headache Clinic Ltd | Chicago | Illinois | 60642 | — |
| JWM Neurology | Indianapolis | Indiana | 46256 | — |
| Deaconess Clinic - Gateway Health Center | Newburgh | Indiana | 47630 | — |
| PMG Research, Inc. d/b/a PMG Research of McFarland Clinic | Ames | Iowa | 50010 | — |
| Heartland Research Associates, LLC | Newton | Kansas | 67114 | — |
| College Park Family Care Center | Overland Park | Kansas | 66212 | — |
| Collective Medical Research | Prairie Village | Kansas | 66208 | — |
| Heartland Research Associates, LLC - An AMR Company | Wichita | Kansas | 67205 | — |
| Heartland Research Associates, LLC - An AMR Company | Wichita | Kansas | 67207 | — |
| DelRicht Research | New Orleans | Louisiana | 70124 | — |
| Pharmasite Research, Inc. | Baltimore | Maryland | 21208 | — |
| John R. Graham Headache Center Brigham and Women's Faulkner Hospital | Boston | Massachusetts | 02103 | — |
| BTC of New Bedford | New Bedford | Massachusetts | 02740 | — |
| Clinical Research Institute | Minneapolis | Minnesota | 55402 | — |
| The Headache Center | Ridgeland | Mississippi | 39157 | — |
| StudyMetrix Research | City of Saint Peters | Missouri | 63303 | — |
| Clinvest Research LLC | Springfield | Missouri | 65810 | — |
| Synexus Clinical Research US, Inc. | Omaha | Nebraska | 68144 | — |
| Bio Behavioral Health | Toms River | New Jersey | 08755 | — |
| Albuquerque Clinical Trials | Albuquerque | New Mexico | 87102 | — |
| Dent Neurosciences Research Center | Amherst | New York | 14226 | — |
| PMG Research of Charlotte, LLC | Charlotte | North Carolina | 28209 | — |
| Raleigh Neurology Associates, P.A. | Raleigh | North Carolina | 27607 | — |
| PMG Research of Raleigh, LLC | Raleigh | North Carolina | 27609 | — |
| PMG Research of Rocky Mount, LLC | Rocky Mount | North Carolina | 27804 | — |
| Wilmington Health, PLLC | Wilmington | North Carolina | 28401 | — |
| Piedmont Medical Research of Winston-Salem | Winston-Salem | North Carolina | 27103 | — |
| Synexus Clinical Research US, Inc. | Akron | Ohio | 44311 | — |
| CTI Clinical Research Center | Cincinnati | Ohio | 45212 | — |
| Patient Priority Clinical Sites | Cincinnati | Ohio | 45215 | — |
| University of Cincinnati | Cincinnati | Ohio | 45219 | — |
| New Horizons Clinical Research | Cincinnati | Ohio | 45242 | — |
| Aventiv Research Inc | Columbus | Ohio | 43212 | — |
| Ohio Clinical Research, LLC | Lyndhurst | Ohio | 44124 | — |
| OK Clinical Research, LLC | Edmond | Oklahoma | 73034 | — |
| Lynn Institute of Norman | Norman | Oklahoma | 72069 | — |
| Tulsa Clinical Research | Tulsa | Oklahoma | 74136 | — |
| Thomas Jefferson University | Philadelphia | Pennsylvania | 19107 | — |
| Preferred Primary Care Physicians | Pittsburgh | Pennsylvania | 15236 | — |
| Frontier Clinical Research, LLC | Smithfield | Pennsylvania | 15478 | — |
| Preferred Primary Care Physicians, Jacob Murphy | Uniontown | Pennsylvania | 15401 | — |
| Abington Neurological Associates | Willow Grove | Pennsylvania | 19090 | — |
| Partners in Clinical Research, LLC | Cumberland | Rhode Island | 02864 | — |
| Ocean State Clinical Research Partners | Lincoln | Rhode Island | 02865 | — |
| Primary Care Associates/Synexus Clinical | Anderson | South Carolina | 29621 | — |
| Clinical Trials of South Carolina | Charleston | South Carolina | 29406 | — |
| Hillcrest Family Practice | Simpsonville | South Carolina | 29681 | — |
| ClinSearch | Chattanooga | Tennessee | 37421 | — |
| Holston Medical Group | Kingsport | Tennessee | 37760 | — |
| Clinical Neuroscience Solutions, Inc. | Memphis | Tennessee | 38119 | — |
| Psychiatry & Psychotherapy Partners Austin | Austin | Texas | 78737 | — |
| Tekton Research | Austin | Texas | 78745 | — |
| Synexus-US | Dallas | Texas | 75234 | — |
| UT Southwestern Medical Center | Dallas | Texas | 75390 | — |
| Ventavia Research Group | Fort Worth | Texas | 76104 | — |
| Centex Studies, Inc. | Houston | Texas | 77058 | — |
| Protenium Clinical Research | Hurst | Texas | 76054 | — |
| Clinical Trials of Texas | San Antonio | Texas | 78229 | — |
| Synexus Clinical Research, Inc | San Antonio | Texas | 78229 | — |
| ClinPoint Trials | Waxahachie | Texas | 75165 | — |
| J. Lewis Research, Inc. / Foothill Family Clinic South | Salt Lake City | Utah | 84121 | — |
| Synexus-US | Salt Lake City | Utah | 84123 | — |
| Highland Clinical Research | Salt Lake City | Utah | 84124 | — |
| J. Lewis Research, Inc. | South Jordan | Utah | 84095 | — |
| Charlottesville Medical Research | Charlottesville | Virginia | 22911 | — |
| Health Research of Hampton Roads | Newport News | Virginia | 23606 | — |
| National Clinical Research, Inc | Richmond | Virginia | 23294 | — |
| Sentara Neruology Specialists | Virginia Beach | Virginia | 23456 | — |
| Northwest Clinical Research Center | Bellevue | Washington | 98004 | — |
| Eastside Therapeutic Resource and Core Clinical Research | Everett | Washington | 98201 | — |
| Puget Sound Neurology | Tacoma | Washington | 98409 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03939312, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 11, 2022 · Synced May 20, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03939312 live on ClinicalTrials.gov.