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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 307,205 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 America307,205

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 States307,205
France73,197
Germany73,176
Italy48,496
China45,975
Japan38,756
Spain36,445
United Kingdom32,416

Trial sites

307,205 sites. Sites with a public page link to it on Pharma Observatory.

  • Washington School of Medicine Cancer Center St Louis, Missouri, United States 1 trial
  • Washington School of Medicine at St. Louis St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington Spine & Scoliosis Institute at OrthoBethesda Bethesda, Maryland, United States 1 trial
  • Washington State Department of Children, Youth and Families Olympia, Washington, United States 1 trial
  • Washington State Healthcare Authority Olympia, Washington, United States 1 trial
  • Washington State Migrant Council Head Start sites Lower Valley, Yakima County, Washington, United States 1 trial
  • Washington State Univ Elson S. Floyd College of Medicine Spokane, Washington, United States Ongoing trial 1 trial
  • Washington State University St Louis, Missouri, United States 1 trial
  • Washington State University Vancouver, Washington, United States 1 trial
  • Washington State University - Pullman Pullman, Washington, United States 1 trial
  • Washington State University - Pullman; Study Remote Pullman, Washington, United States 1 trial
  • Washington State University Coordinating Center Spokane, Washington, United States 1 trial
  • Washington State University Research Clinic Spokane, Washington, United States 1 trial
  • Washington State University Sleep and Performance Center Spokane, Washington, United States Ongoing trial 1 trial
  • Washington State University Spokane, College of Pharmacy Spokane WA 99202 USA Spokane, Washington, United States 1 trial
  • Washington State University at Everett Everett, Washington, United States 1 trial
  • Washington State University, College of Pharmacy, Department of Pharmacotherapy Spokane, Washington, United States 1 trial
  • Washington State University, Dept of Psychology Pullman, Washington, United States Ongoing trial 1 trial
  • Washington Township Medical Foundation Fremont, California, United States 1 trial
  • Washington U School of Medicine Center for Clinical Studies SC - BKM120H2201 St Louis, Missouri, 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.