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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 Hospital Center, Center for Vascular Care Washington D.C., District of Columbia, United States 1 trial
  • Washington Hospital Center, Washington Eye Physicians and Surgeons Chevy Chase, Maryland, United States 1 trial
  • Washington Hospital Center/Medstar Washington D.C., District of Columbia, United States 1 trial
  • Washington Hospital Healthcare System Fremont, California, United States 1 trial
  • Washington Hospital Medical Center Washington D.C., District of Columbia, United States 1 trial
  • Washington Hospital Transplant Research Washington D.C., District of Columbia, United States 1 trial
  • Washington Hospital Wound Center Washington, Pennsylvania, United States 1 trial
  • Washington Hospital/Medstar Research Washington D.C., District of Columbia, United States 1 trial
  • Washington Institute for Coagulation (Part B/C) Seattle, Washington, United States Ongoing trial 1 trial
  • Washington Institute for Coagulation d/b/a WACBD Seattle, Washington, United States Ongoing trial 1 trial
  • Washington Institute for Coagulation- Site Number : 8400022 Seattle, Washington, United States Ongoing trial 1 trial
  • Washington Institute of Dermatologic Laser Surgery Chevy Chase, Maryland, United States 1 trial
  • Washington Irving Branch Library Los Angeles, California, United States 1 trial
  • Washington MedStar Hospital Washington D.C., District of Columbia, United States 1 trial
  • Washington Nephrology Associates, LLP Washington D.C., District of Columbia, United States 1 trial
  • Washington Nephrology Associates, LLP Alexandria, Virginia, United States 1 trial
  • Washington Nephrology Associates-Washington DC, 730 24th Street NW Washington D.C., District of Columbia, United States 1 trial
  • Washington Nerve Institute McLean, Virginia, United States 1 trial
  • Washington Neuropsychological Institute LLC Georgetown Washington D.C., District of Columbia, United States 1 trial
  • Washington Neuropsychological Institute, LLC Washington D.C., District of Columbia, 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