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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.

  • Kentucky Eye Institute Lexington, Kentucky, United States Ongoing trial 12 trials
  • Kimball Medical Center Lakewood, New Jersey, United States 12 trials
  • LSU Health Sciences Center - Shreveport Shreveport, Louisiana, United States Ongoing trial 12 trials
  • LabCorp CRU, Inc. Daytona Beach, Florida, United States 12 trials
  • Lahey Clinic - Burlington Burlington, Massachusetts, United States Ongoing trial 12 trials
  • Lake Vista Cancer Center Lewisville, Texas, United States 12 trials
  • Lancaster Cancer Center Lancaster, Pennsylvania, United States 12 trials
  • Laser and Skin Surgery Center of Northern California Sacramento, California, United States Ongoing trial 12 trials
  • Laura and Isaac Perlmutter Cancer Center at NYU Langone Health New York, New York, United States Ongoing trial 12 trials
  • Legacy Good Samaritan Hospital Portland, Oregon, United States Ongoing trial 12 trials
  • Leo W. Jenkins Cancer Center Greenville, North Carolina, United States 12 trials
  • Levine Cancer Institute, Carolinas HealthCare System Charlotte, North Carolina, United States Ongoing trial 12 trials
  • Liberating Technologies, Inc. Holliston, Massachusetts, United States Ongoing trial 12 trials
  • Little Company of Mary Hospital Evergreen Park, Illinois, United States Ongoing trial 12 trials
  • LoBue Laser and Eye Medical Center Murrieta, California, United States Ongoing trial 12 trials
  • Local Institution Orange, California, United States 12 trials
  • Local Institution Eugene, Oregon, United States 12 trials
  • Local Institution Princeton, New Jersey, United States 12 trials
  • Local Institution Providence, Rhode Island, United States 12 trials
  • Local Institution Shreveport, Louisiana, United States Ongoing trial 12 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