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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.

  • Inland Psychiatric Medical Group Chino, California, United States Ongoing trial 11 trials
  • Institute for Asthma and Allergy PC Chevy Chase, Maryland, United States Ongoing trial 11 trials
  • Institute for Reproductive Health Cincinnati, Ohio, United States 11 trials
  • Institute of Human Virology Baltimore, Maryland, United States Ongoing trial 11 trials
  • Institute of Precision Pain Medicine Corpus Christi, Texas, United States Ongoing trial 11 trials
  • Integrated Medical Research PC Ashland, Oregon, United States 11 trials
  • Integrity Medical Research, LLC Mountlake Terrace, Washington, United States 11 trials
  • Internal Medicine Associates of Bozeman Bozeman, Montana, United States 11 trials
  • International Center for Research Tampa, Florida, United States Ongoing trial 11 trials
  • International Clinical Research Network Chula Vista, California, United States 11 trials
  • Investigational Site San Francisco, California, United States Ongoing trial 11 trials
  • Investigational Site Cincinnati, Ohio, United States 11 trials
  • Investigational Site Salt Lake City, Utah, United States 11 trials
  • Investigative Site Austin, Texas, United States 11 trials
  • Investigative Site San Antonio, Texas, United States Ongoing trial 11 trials
  • Investigative Site New York, New York, United States Ongoing trial 11 trials
  • Investigative Site Boston, Massachusetts, United States Ongoing trial 11 trials
  • Investigative Site Salt Lake City, Utah, United States 11 trials
  • Iowa Diabetes Research West Des Moines, Iowa, United States Ongoing trial 11 trials
  • Irvine Clinical Research Center Irvine, California, United States Ongoing trial 11 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