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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 University, Division of Urologic Surgery St Louis, Missouri, United States 1 trial
  • Washington University, Oncology/Bone Marrow Transplant St Louis, Missouri, United States 1 trial
  • Washington University, Renal Division St Louis, Missouri, United States 1 trial
  • Washington University, School of Medicine, 7th Floor, Center for Advanced Medicine St Louis, Missouri, United States 1 trial
  • Washington University, School of Medicine; Department of Internal Medicine; Division of Gastroenterology St Louis, Missouri, United States 1 trial
  • Washington University, St Louis, Division of Oncology Madison, Wisconsin, United States Ongoing trial 1 trial
  • Washington University, St. Louis Children's St Louis, Missouri, United States 1 trial
  • Washington University, University Hospital in St Louis St Louis, Missouri, United States 1 trial
  • Washington University- Site Number : 150612 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8400001 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8400007 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8400010 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8400025 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8400046 St Louis, Missouri, United States 1 trial
  • Washington University- Site Number : 8400144 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University- Site Number : 8402035 St Louis, Missouri, United States 1 trial
  • Washington University-Department of Medicine ( Site 0044) St Louis, Missouri, United States 1 trial
  • Washington University-Internal Medicine/Oncology ( Site 0124) St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University-Internal Medicine/Oncology ( Site 3531) St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University-Pediatric Cardiology/ St. Louis Children's Hospital ( Site 0006) St Louis, Missouri, United States Ongoing trial 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