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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 307,932 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 America307,932

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 States307,932
France73,380
Germany73,266
Italy48,719
China46,305
Japan38,861
Spain36,598
United Kingdom32,508

Trial sites

307,932 sites. Sites with a public page link to it on Pharma Observatory.

  • Radiant Research Boise Boise, Idaho, United States 8 trials
  • Radiological Associates of Sacramento Sacramento, California, United States 8 trials
  • Radiology and Imaging Specialists Lakeland, Florida, United States Ongoing trial 8 trials
  • Ragle Human Nutrition Center Davis, California, United States Ongoing trial 8 trials
  • Raleigh Hematology Oncology Associates Cary, North Carolina, United States 8 trials
  • Raleigh Hematology Oncology Clinic Cary, North Carolina, United States Ongoing trial 8 trials
  • Raleigh Hematology/Oncology Associates - Wake Practice Raleigh, North Carolina, United States 8 trials
  • Rapha Family Wellness Hendersonville, Tennessee, United States 8 trials
  • Raritan Bay Medical Center Perth Amboy, New Jersey, United States Ongoing trial 8 trials
  • Raritan Bay Primary Care & Cardiology Associates Matawan, New Jersey, United States 8 trials
  • Regeneris Medical North Attleboro, Massachusetts, United States 8 trials
  • Regeneron Investigational Site San Antonio, Texas, United States Ongoing trial 8 trials
  • Regeneron Study Site Iowa City, Iowa, United States 8 trials
  • Regeneron Study Site Sacramento, California, United States 8 trials
  • Regeneron Study Site Charlotte, North Carolina, United States 8 trials
  • Regeneron Study Site Charleston, South Carolina, United States 8 trials
  • Regeneron Study Site Cleveland, Ohio, United States 8 trials
  • Regeneron Study Site Colorado Springs, Colorado, United States 8 trials
  • Regeneron Study Site Dayton, Ohio, United States 8 trials
  • Regenevita LLC Stevensville, Montana, United States Ongoing trial 8 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