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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.

  • Ochsner Health Center-Covington Covington, Louisiana, United States Ongoing trial 34 trials
  • Optimed Research, LTD Columbus, Ohio, United States Ongoing trial 34 trials
  • Oregon Cancer Center at Oregon Health Sciences University Portland, Oregon, United States 34 trials
  • PPD Austin, Texas, United States Ongoing trial 34 trials
  • Pacific Research Partners, LLC Oakland, California, United States 34 trials
  • Paramount Medical Research & Consulting, LLC Middleburg Heights, Ohio, United States Ongoing trial 34 trials
  • Park Nicollet Health Services Saint Louis Park, Minnesota, United States 34 trials
  • Pennsylvania Oncology Hematology Associates Philadelphia, Pennsylvania, United States 34 trials
  • Pfizer Clinical Research Unit - New Haven New Haven, Connecticut, United States Ongoing trial 34 trials
  • Portland Veterans Adm Med Ctr / Rsch & Education Grp Portland, Oregon, United States 34 trials
  • Premier Medical Group of the Hudson Valley PC Poughkeepsie, New York, United States Ongoing trial 34 trials
  • Prisma Health Cancer Institute Greenville, South Carolina, United States Ongoing trial 34 trials
  • Research Site Toms River, New Jersey, United States Ongoing trial 34 trials
  • Research Site Olympia, Washington, United States Ongoing trial 34 trials
  • Research Site Irving, Texas, United States Ongoing trial 34 trials
  • Research Site Springfield, Illinois, United States Ongoing trial 34 trials
  • Research Site Melbourne, Florida, United States Ongoing trial 34 trials
  • Research Site Anniston, Alabama, United States Ongoing trial 34 trials
  • Research Site Athens, Georgia, United States Ongoing trial 34 trials
  • Research Site Duluth, Minnesota, United States Ongoing trial 34 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