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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 307,932 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.

Looking for contract research suppliers and CROs? Visit Contract Research Map

Looking to track new and ongoing clinical trials? Visit Trial Insights

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 America307,932

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 States307,932
France73,380
Germany73,266
Italy48,719
China46,305
Japan38,861
Spain36,598
United Kingdom32,508

Trial sites

307,932 sites. Sites with a public page link to it on Pharma Observatory.

  • GSK Investigational Site Greenbrae, California, United States 12 trials
  • GSK Investigational Site Cadillac, Michigan, United States 12 trials
  • GSK Investigational Site Crestview Hills, Kentucky, United States 12 trials
  • GSK Investigational Site Skokie, Illinois, United States Ongoing trial 12 trials
  • GSK Investigational Site Niles, Michigan, United States 12 trials
  • GSK Investigational Site Traverse City, Michigan, United States 12 trials
  • GSK Investigational Site Escondido, California, United States Ongoing trial 12 trials
  • GSK Investigational Site Sylvania, Ohio, United States 12 trials
  • GSK Investigational Site Schertz, Texas, United States 12 trials
  • GSK Investigational Site Lake Success, New York, United States Ongoing trial 12 trials
  • GSK Investigational Site Berkley, Michigan, United States Ongoing trial 12 trials
  • GSK Investigational Site Jupiter, Florida, United States Ongoing trial 12 trials
  • Gary Richmond, MD, PA, Inc. Fort Lauderdale, Florida, United States Ongoing trial 12 trials
  • Gastrointestinal Associates, PA Jackson, Mississippi, United States 12 trials
  • Geisinger Medical Center-Cancer Center Hazelton Hazleton, Pennsylvania, United States 12 trials
  • Georgetown University Lombardi Cancer Center Washington D.C., District of Columbia, United States Ongoing trial 12 trials
  • Georgetown University School of Medicine Washington D.C., District of Columbia, United States Ongoing trial 12 trials
  • Georgia Cancer Center Augusta, Georgia, United States Ongoing trial 12 trials
  • Georgia Pollens Clinical Research Centers, Inc Albany, Georgia, United States 12 trials
  • Glazer Dermatology Buffalo Grove, Illinois, United States 12 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