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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 307,818 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 America307,818

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 States307,818
France73,311
Germany73,247
Italy48,647
China46,227
Japan38,811
Spain36,541
United Kingdom32,473

Trial sites

307,818 sites. Sites with a public page link to it on Pharma Observatory.

  • University of Washington Center for Pediatric Dentistry Seattle, Washington, United States 1 trial
  • University of Washington Clinical Trial Center Seattle, Washington, United States 1 trial
  • University of Washington Dental School Seattle, Washington, United States 1 trial
  • University of Washington Department of Neurological Surgery Seattle, Washington, United States 1 trial
  • University of Washington Department of Neurology Seattle, Washington, United States 1 trial
  • University of Washington Department of Neurosurgery Seattle, Washington, United States 1 trial
  • University of Washington Department of Radiology (DISC) Seattle, Washington, United States 1 trial
  • University of Washington Dept. Environmental and Occupational Health Sciences Seattle, Washington, United States 1 trial
  • University of Washington Diabetes Institute - Clinical Research Unit Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington Diesel Exhaust Facility Seattle, Washington, United States 1 trial
  • University of Washington Digestive Disease Center Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington Div. of Rhematology Seattle, Washington, United States 1 trial
  • University of Washington Division of Cardiology Seattle, Washington, United States 1 trial
  • University of Washington Division of Gastroenterology Seattle, Washington, United States 1 trial
  • University of Washington Eye Institute at Harborview Seattle, Washington, United States 1 trial
  • University of Washington General Clinical Research (1403) Seattle, Washington, United States 1 trial
  • University of Washington Harborview Level I Trauma Center Seattle, Washington, United States 1 trial
  • University of Washington Harborview Medical Center Department of Surgery Seattle, Washington, United States 1 trial
  • University of Washington Headache Clinic Seattle, Washington, United States 1 trial
  • University of Washington Heart Institute Seattle, Washington, 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