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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 in St. Louis School of Medicine, Department of Neurology St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis School of Medicine, Department of Surgery, Section of Acute and Critical Care Surgery St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis | Saint Louis Children's Hospital St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis, Department of Ophthalmology St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis, Division of Oncology, Section of Bone Marrow Transplantation & Leukemia St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis, School of Medicine Saint Louis, Louisiana, United States 1 trial
  • Washington University in St. Louis, School of Medicine, Department of Surgery St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis, School of Medicine, Program in Occupational Therapy St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis, School of Medicine, Saint Louis, Missouri 63110 St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University in St. Louis, Section of Colon Rectal Surgery St Louis, Missouri, United States 1 trial
  • Washington University in St. Louis/Barnes Jewish Hospital Creve Coeur, Missouri, United States 1 trial
  • Washington University of Medicine- Siteman Cancer Center St Louis, Missouri, United States 1 trial
  • Washington University of School of Medicine St Louis, Missouri, United States 1 trial
  • Washington University of St. Louis, St. Louis Children's Hospital St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University website HeathStudy.wustl.edu St Louis, Missouri, United States 1 trial
  • Washington University, 660 S. Euclid Ave., Box 8111 Neurology St Louis, Missouri, United States 1 trial
  • Washington University, Barns Jewish Hospital St Louis, Missouri, United States 1 trial
  • Washington University, Department of Internal Medicine/Division of Hematology St Louis, Missouri, United States 1 trial
  • Washington University, Department of Psychiatry St Louis, Missouri, United States 1 trial
  • Washington University, Division of Pulmonary and Critical Care 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.