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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 307,840 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 America307,840

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 States307,840
France73,350
Germany73,241
Italy48,699
China46,284
Japan38,844
Spain36,569
United Kingdom32,501

Trial sites

307,840 sites. Sites with a public page link to it on Pharma Observatory.

  • Chesapeake Research Group, LLC Pasadena, Maryland, United States 13 trials
  • Chicago Cornea Consultants, Ltd. Hoffman Estates, Illinois, United States 13 trials
  • Child Neurology Consultants of Austin Austin, Texas, United States Ongoing trial 13 trials
  • Children's Center for Digestive Healthcare Atlanta, Georgia, United States Ongoing trial 13 trials
  • Children's Hopsital of Los Angeles Los Angeles, California, United States 13 trials
  • Children's National Med. Ctr. Washington DC NICHD CRS Washington D.C., District of Columbia, United States 13 trials
  • Children's Specialized Hospital Toms River, New Jersey, United States Ongoing trial 13 trials
  • Childrens Hospital of Michigan Detroit, Michigan, United States Ongoing trial 13 trials
  • Chippenham Hospital Richmond, Virginia, United States Ongoing trial 13 trials
  • Clearwater Cardiovascular and Interventional Consultants Clearwater, Florida, United States Ongoing trial 13 trials
  • Clinical Neuroscience Solutions Jacksonville, Florida, United States Ongoing trial 13 trials
  • Clinical Research Center of Reading, LLP Wyomissing, Pennsylvania, United States 13 trials
  • Clinical Research Consortium Tempe, Arizona, United States 13 trials
  • Clinical Research Consultants Kansas City, Missouri, United States Ongoing trial 13 trials
  • Clinical Research Site Staten Island, New York, United States Ongoing trial 13 trials
  • Clinical Research Site Portland, Oregon, United States Ongoing trial 13 trials
  • Clinical Research Site Brooklyn, New York, United States Ongoing trial 13 trials
  • Clinical Research Site Philadelphia, Pennsylvania, United States Ongoing trial 13 trials
  • Clinical Site Chicago, Illinois, United States Ongoing trial 13 trials
  • Clinical Site Houston, Texas, United States Ongoing trial 13 trials

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