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Clinical research

Clinical trial sites in the United States

Clinical trial sites: one pin for each physical site that hosts trials, placed from the address on the trial registration.

  • Trial site
  • Group of pins (click to zoom)

Showing the 40,000 busiest of 306,971 located sites. The map holds only the first 40,000, so narrow the filters to see the rest.

Each pin is one trial site, placed on the map from the address on the trial registration, so it shows part of where trials are run, not all of it. A site with no located address has no pin. A site with a public page on Pharma Observatory links to it; other sites show name, place and trial count only.

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Filters: Country: United States Clear all

Trial sites by region

Select a bar to filter by region.

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Trial sites by region
CategoryTrial sites
North America306,971

Top countries

Country of the site's address. Select a bar to filter.

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Bar colour shows the country's region, as in the chart by region.

Trial sites by country
CategoryTrial sites
United States306,971
Germany73,164
France73,137
Italy48,412
China45,861
Japan38,736
Spain36,429
United Kingdom32,401

Trial sites

306,971 sites. Sites with a public page link to it on Pharma Observatory.

  • Pfizer Investigational Site Denver, Colorado, United States 88 trials
  • Retina Foundation of the Southwest Dallas, Texas, United States Ongoing trial 88 trials
  • Therapeutics Clinical Research San Diego, California, United States Ongoing trial 88 trials
  • UC Davis Sacramento, California, United States Ongoing trial 88 trials
  • Veterans Affairs Medical Center - Shreveport Shreveport, Louisiana, United States 88 trials
  • Wellstar Kennestone Hospital Marietta, Georgia, United States Ongoing trial 88 trials
  • York Hospital York, Pennsylvania, United States Ongoing trial 88 trials
  • Cincinnati Eye Institute Cincinnati, Ohio, United States Ongoing trial 87 trials
  • Coastal Carolina Research Center North Charleston, South Carolina, United States Ongoing trial 87 trials
  • GSK Investigational Site Madison, Wisconsin, United States Ongoing trial 87 trials
  • GSK Investigational Site Colorado Springs, Colorado, United States Ongoing trial 87 trials
  • GSK Investigational Site Overland Park, Kansas, United States Ongoing trial 87 trials
  • Geisinger Medical Oncology-Selinsgrove Selinsgrove, Pennsylvania, United States Ongoing trial 87 trials
  • Holy Name Medical Center Teaneck, New Jersey, United States Ongoing trial 87 trials
  • Hope Cancer Care Center at Longmont United Hospital Longmont, Colorado, United States 87 trials
  • Houston Methodist Research Institute Houston, Texas, United States Ongoing trial 87 trials
  • Jackson-Madison County General Hospital Jackson, Tennessee, United States Ongoing trial 87 trials
  • Mecosta County Medical Center Big Rapids, Michigan, United States Ongoing trial 87 trials
  • PMG Research of Wilmington, LLC Wilmington, North Carolina, United States Ongoing trial 87 trials
  • Presence Saint Mary's Hospital Kankakee, Illinois, United States Ongoing trial 87 trials

Explore the data behind the map on Pharma Observatory

Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.

Visit Pharma Observatory