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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 Medicine MS Center Seattle, Washington, United States 1 trial
  • University of Washington Medicine MS Center /ID# 205852 Seattle, Washington, United States 1 trial
  • University of Washington Neighborhood Clinic, Ravenna Seattle, Washington, United States 1 trial
  • University of Washington Neutron Facility and Cancer Center Seattle, Washington, United States 1 trial
  • University of Washington Oral Medicine Clinic Seattle, Washington, United States 1 trial
  • University of Washington Positive Research CRS (1401) Seattle, Washington, United States 1 trial
  • University of Washington Positive Research CRS (Site ID: 1401) Seattle, Washington, United States 1 trial
  • University of Washington Positive Research and the Gastroenterology Clinic at Harborview Medical Center Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington Primary Care Seattle, Washington, United States 1 trial
  • University of Washington Primary Infection Clinic Seattle, Washington, United States 1 trial
  • University of Washington Regional Clinical Dental Research Center Seattle, Washington, United States 1 trial
  • University of Washington Regional Epilepsy Center Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington Regional Epilepsy Center, Harborview Medical Center Seattle, Washington, United States 1 trial
  • University of Washington Rhinology Clinic Seattle, Washington, United States 1 trial
  • University of Washington School Medicine Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington School of Medicine St Louis, Missouri, United States 1 trial
  • University of Washington School of Medicine Barnes Jewish Hospital St Louis, Missouri, United States Ongoing trial 1 trial
  • University of Washington School of Medicine, Dept. of Pediatrics Seattle, Washington, United States 1 trial
  • University of Washington School of Medicine, Regional Epilepsy Center at Harborview Medical Center Seattle, Washington, United States Ongoing trial 1 trial
  • University of Washington School of Medicine; Seattle Children's Hospital 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