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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 U School of Medicine, Center for Clinical Studies St Louis, Missouri, United States 1 trial
  • Washington Uni School of Med SC St Louis, Missouri, United States 1 trial
  • Washington Uni School of Med Siteman Cancer Center St Louis, Missouri, United States 1 trial
  • Washington Uni School of Medicine/Barnes Jewish Hospital; Renal St Louis, Missouri, United States 1 trial
  • Washington Univ Sch of Med / Dept of Neurology St Louis, Missouri, United States 1 trial
  • Washington Univ School of Med Seattle, Washington, United States 1 trial
  • Washington Univ School of Med; Barnes-Jewish Hospital; Siteman Cancer Center St Louis, Missouri, United States 1 trial
  • Washington Univ School of Medicine - Dept of OB-GYN St Louis, Missouri, United States 1 trial
  • Washington Univ School of Medicine Siteman Cancer Center St Louis, Missouri, United States 1 trial
  • Washington Univ in St. Louis-School of Medicine St Louis, Missouri, United States 1 trial
  • Washington Univ. Center for Human Nutrition St Louis, Missouri, United States 1 trial
  • Washington Univ. School of Medicine at St. Louis, St. Louis Children's Hosp. St Louis, Missouri, United States 1 trial
  • Washington Univ. in St. Louis/Barnes Jewish Hospital St Louis, Missouri, United States 1 trial
  • Washington Univeristy - St. Louis Children's hospital St Louis, Missouri, United States 1 trial
  • Washington Univeristy School of Medicine - St Louis St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington Univeristy School of Medicine, Division of Pulmonary and Critical Care Medicine St Louis, Missouri, United States 1 trial
  • Washington Univeristy School of Medicine/ Pediatrics St Louis, Missouri, United States 1 trial
  • Washington Univeristy in St Louis St Louis, Missouri, United States 1 trial
  • Washington Univerisy in St. Louis St Louis, Missouri, United States 1 trial
  • Washington Universisty School of Medicine, 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.