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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 School of Medicine - West County Dermatology Creve Coeur, Missouri, United States 1 trial
  • Washington University School of Medicine - West County Dermatology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine / Dept of Surgery St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine / Washington University in St. Louis St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine /ID# 135708 St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Barnes Jewish Hospital Clinical Laboratory St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Behavioral Medicine Center St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine CAMN107B2301 St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Child and Adolescent Psychiatry Clinic St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine Department of Surgery St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Dept. of WUSTL St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Division of Genetics and Genomic Medicine, Rare Diseases Department of Pediatrics St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine Division of Geriatrics and Nutritional Studies St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Division of Oncology Siteman Cancer Center St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Early Emotional Development Program St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Endocrinology/Metabolic Dept St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Neurology Clinical Unit St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine Obstetrics and Gynecology St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine Onc Dept St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine Oncology 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.

Visit Pharma Observatory