Phase 4 — Post-approval study. The treatment has been approved, but researchers continue monitoring it in a large population over time.
Trial locations(23 sites)
United States
Northern Arizona Healthcare, Flagstaff, Arizona Mayo Clinic Arizona, Phoenix, Arizona USC Keck, Los Angeles, California Clinical Research Institute, Los Angeles, California Desert Physicians Medical Group, Palm Springs, California The Neurology Group, Pomona, California University of Colorado Anschutz Medical Campus, Aurora, Colorado Mayo Clinic Florida, Jacksonville, Florida Apple Med Research, Miami, Florida Clinical Trials of New England, Hyde Park, Massachusetts Mayo Clinic, Rochester, Minnesota Washington University St Louis, St Louis, Missouri Advanced Research Institute Reno, Reno, Nevada JFK Neuroscience Institute, Edison, New Jersey Nuvance Health Institute, Kingston, New York Wake Forest University Health, Winston-Salem, North Carolina Ohio State University Wexner Medical Center, Columbus, Ohio Advanced Research Institute, Portland, Oregon University of Pennsylvania, Philadelphia, Pennsylvania Vanderbilt Medical Center, Nashville, Tennessee DHR Health Headache Center, McAllen, Texas Advanced Research Institute Ogden, Ogden, Utah West Virginia University, Morgantown, West Virginia