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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 308,118 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 America308,118

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 States308,118
France73,405
Germany73,289
Italy48,775
China46,344
Japan38,886
Spain36,628
United Kingdom32,520

Trial sites

308,118 sites. Sites with a public page link to it on Pharma Observatory.

  • United States, North Carolina Garner, North Carolina, United States 1 trial
  • United States, North Carolina Greenville, North Carolina, United States 1 trial
  • United States, North Carolina Charlotte, North Carolina, United States 1 trial
  • United States, North Carolina Raleigh, North Carolina, United States 1 trial
  • United States, Ohio Dayton, Ohio, United States 1 trial
  • United States, Ohio Centerville, Ohio, United States 1 trial
  • United States, Ohio Columbus, Ohio, United States 1 trial
  • United States, Oklahoma Tulsa, Oklahoma, United States 1 trial
  • United States, Oregon Portland, Oregon, United States 1 trial
  • United States, Oregon Lake Oswego, Oregon, United States 1 trial
  • United States, Pennsylvania Hershey, Pennsylvania, United States 1 trial
  • United States, Pennsylvania Pittsburgh, Pennsylvania, United States 1 trial
  • United States, Pennsylvania Altoona, Pennsylvania, United States 1 trial
  • United States, Rhode Island Warwick, Rhode Island, United States 1 trial
  • United States, South Carolina Columbia, South Carolina, United States 1 trial
  • United States, South Carolina Rock Hill, South Carolina, United States 1 trial
  • United States, South Dakota Rapid City, South Dakota, United States 1 trial
  • United States, Texas Temple, Texas, United States 1 trial
  • United States, Texas Plano, Texas, United States 1 trial
  • United States, Texas Sugar Land, Texas, United States 1 trial

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