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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.

  • Kansas City Cancer Center - South Kansas City, Missouri, United States 10 trials
  • Karmanos Cancer Institute Farmington Hills, Michigan, United States Ongoing trial 10 trials
  • Kellogg Eye Center, University of Michigan Ann Arbor, Michigan, United States Ongoing trial 10 trials
  • Kentucky Lung Clinic Hazard, Kentucky, United States 10 trials
  • Kentucky Medical Research Center Lexington, Kentucky, United States 10 trials
  • Kern Medical Center Bakersfield, California, United States 10 trials
  • Keystone Clinical Studies Plymouth Meeting, Pennsylvania, United States Ongoing trial 10 trials
  • Kingwood Medical Center Kingwood, Texas, United States 10 trials
  • Klein & Associates, M.D., P.A. Cumberland, Maryland, United States Ongoing trial 10 trials
  • Klein and Associates MD, PA Cumberland, Maryland, United States 10 trials
  • Klein and Associates, M.D., P.A. Hagerstown, Maryland, United States Ongoing trial 10 trials
  • Knownwell Needham, Massachusetts, United States Ongoing trial 10 trials
  • Kootenai Health Coeur d'Alene, Idaho, United States Ongoing trial 10 trials
  • LSU Healthcare Network/Saint Charles New Orleans, Louisiana, United States Ongoing trial 10 trials
  • LaFortune Cancer Center at St. John Medical Center Tulsa, Oklahoma, United States 10 trials
  • Legacy Emanuel Medical Center Portland, Oregon, United States Ongoing trial 10 trials
  • Legacy Pharma Research Bismarck, North Dakota, United States 10 trials
  • Legent Orthopedic Hospital Carrollton, Texas, United States Ongoing trial 10 trials
  • Lehigh Valley Health Network (Data Collection Only) Allentown, Pennsylvania, United States Ongoing trial 10 trials
  • Lehmann Eye Center Nacogdoches, Texas, United States 10 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