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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, Barnes Jewish West County Hospital St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Box 8111, 660 South Euclid St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Center for Adv Medicine St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine, Department of Obstetrics and Gynecology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Department of Orthopaedic Surgery St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Department of Otolaryngology, Head & Neck Surgery St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Dept. of Internal Medicine/Division of Hematology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Dept. of OB/GYN St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Allergy & Immunology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Bone Marrow Transplantation and Leukemia St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Genetics and Genomic Medicine St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Geriatrics & Gerontology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Geriatrics and Nutritional Science St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Division of Infectious Disease St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Endocrinology St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Health Mind Lab St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Movement Disorder Clinic St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Pain Management Center St Louis, Missouri, United States 1 trial
  • Washington University School of Medicine, Pediatric Clinical Research Unit, Suite 11W19 (Site 840018) St Louis, Missouri, United States Ongoing trial 1 trial
  • Washington University School of Medicine, Site 007 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.