Efficacy, Safety, and Tolerability of Atogepant for the Prevention of Chronic Migraine
Public ClinicalTrials.gov record NCT03855137. 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.
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, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy, Safety, and Tolerability of Atogepant for the Prevention of Chronic Migraine (Progress)
Study identification
- NCT ID
- NCT03855137
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Allergan
- Industry
- Enrollment
- 778 participants
Conditions and interventions
Conditions
Interventions
- Atogepant 30 mg Drug
- Atogepant 60 mg Drug
- Placebo 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
- Mar 10, 2019
- Primary completion
- Jan 19, 2022
- Completion
- Jan 19, 2022
- Last update posted
- Feb 13, 2023
2019 – 2022
United States locations
- U.S. sites
- 41
- U.S. states
- 25
- U.S. cities
- 38
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Barrow Neuro Institute /ID# 236776 | Phoenix | Arizona | 85013 | — |
| Baptist Health Center for Clinical Research /ID# 237361 | Little Rock | Arkansas | 72205 | — |
| California Headache and Balance Center /ID# 236246 | Fresno | California | 93720 | — |
| Wr-Pri Llc /Id# 236008 | Los Alamitos | California | 90720 | — |
| Pharmacology Research Institute (PRI) - Newport Beach (Wake) /ID# 237692 | Newport Beach | California | 92660 | — |
| Schuster Medical Research Institute /ID# 236447 | Sherman Oaks | California | 91403 | — |
| Alpine Clinical Research Center /ID# 234346 | Boulder | Colorado | 80301-1880 | — |
| George Washington University Medical Faculty Associates /ID# 238011 | Washington D.C. | District of Columbia | 20037-3201 | — |
| Accel Research Sites - St Petersburg Clinical Research Unit /ID# 237161 | St. Petersburg | Florida | 33709-3113 | — |
| Accel Research Sites - Tampa Clinical Research Unit /ID# 237485 | Tampa | Florida | 33634 | — |
| Premiere Research Institute - Palm Beach /ID# 238192 | West Palm Beach | Florida | 33407-3209 | — |
| NeuroTrials Research Inc. /ID# 237364 | Atlanta | Georgia | 30328 | — |
| Josephson-Wallack-Munshower Neurology - NE /ID# 238234 | Indianapolis | Indiana | 46256-4692 | — |
| Collective Medical Research /ID# 236400 | Prairie Village | Kansas | 66208 | — |
| Ochsner Clinic Foundation /ID# 236543 | Covington | Louisiana | 70433-8107 | — |
| Beth Israel Deaconess Medical Center /ID# 237540 | Boston | Massachusetts | 02215-5400 | — |
| BTC of New Bedford /ID# 236384 | New Bedford | Massachusetts | 02740 | — |
| Clinical Research Institute, Inc /ID# 238299 | Minneapolis | Minnesota | 55402-2606 | — |
| Headache Neurology Research Institute /ID# 236464 | Ridgeland | Mississippi | 39157 | — |
| Nevada Headache Institute /ID# 236420 | Las Vegas | Nevada | 89113 | — |
| Dartmouth-Hitchcock Medical Center /ID# 237444 | Lebanon | New Hampshire | 03756 | — |
| Albuquerque Clinical Trials, Inc /ID# 236853 | Albuquerque | New Mexico | 87102 | — |
| Albany Medical Center Rheumatology /ID# 236540 | Albany | New York | 12208-3412 | — |
| Dent Neurosciences Research Center, Inc. /ID# 237040 | Amherst | New York | 14226 | — |
| Headache Wellness Center /ID# 236431 | Greensboro | North Carolina | 27405 | — |
| Raleigh Neurology Associates /ID# 237141 | Raleigh | North Carolina | 27607 | — |
| Stetson-University of Cincinnati /ID# 236453 | Cincinnati | Ohio | 45219 | — |
| Abington Neurological Associates - Abington /ID# 236258 | Abington | Pennsylvania | 19001 | — |
| Preferred Primary Care Physicians, Inc. /ID# 236439 | Pittsburgh | Pennsylvania | 15236 | — |
| WR-ClinSearch /ID# 238288 | Chattanooga | Tennessee | 37421-1605 | — |
| Clinical Neuroscience Solutions - Memphis /ID# 237478 | Memphis | Tennessee | 38119 | — |
| DiscoveResearch, Inc /ID# 236274 | Bryan | Texas | 77802 | — |
| Texas Neurology /ID# 236359 | Dallas | Texas | 75214 | — |
| University of Texas Southwestern Medical Center /ID# 236941 | Dallas | Texas | 75390-7208 | — |
| J. Lewis Research, Inc. / Foothill Family Clinic /ID# 236395 | Salt Lake City | Utah | 84109 | — |
| J. Lewis Research, Inc. Foothill Family Clinic South /ID# 236297 | Salt Lake City | Utah | 84121 | — |
| Highland Clinical Research /ID# 237816 | Salt Lake City | Utah | 84124 | — |
| MedStar Georgetown Neurology /ID# 236324 | McLean | Virginia | 22101 | — |
| Sentara Neurology Specialists - Virginia Beach /ID# 234349 | Virginia Beach | Virginia | 23456-0019 | — |
| Northwest Clinical Research Center /ID# 237581 | Bellevue | Washington | 98007 | — |
| Puget Sound Neurology /ID# 236321 | Tacoma | Washington | 25328 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 109 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03855137, 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 Feb 13, 2023 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03855137 live on ClinicalTrials.gov.