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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 307,721 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 America307,721

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 States307,721
France73,304
Germany73,251
Italy48,617
China46,183
Japan38,791
Spain36,527
United Kingdom32,463

Trial sites

307,721 sites. Sites with a public page link to it on Pharma Observatory.

  • Pfizer Investigational Site Hershey, Pennsylvania, United States 19 trials
  • Pfizer Investigational Site North Dartmouth, Massachusetts, United States 19 trials
  • Pfizer Investigational Site Jefferson City, Missouri, United States 19 trials
  • Pfizer Investigational Site Naples, Florida, United States 19 trials
  • Pfizer Investigational Site Oceanside, California, United States 19 trials
  • Pfizer Investigational Site Hickory, North Carolina, United States 19 trials
  • Pfizer Investigational Site Altoona, Pennsylvania, United States 19 trials
  • Pfizer Investigational Site Glendale, Arizona, United States 19 trials
  • Pfizer Investigational Site La Mesa, California, United States 19 trials
  • Pfizer Investigational Site Daytona Beach, Florida, United States 19 trials
  • Pfizer Investigational Site Arlington, Virginia, United States 19 trials
  • Pharmaron CPC, Inc. Baltimore, Maryland, United States Ongoing trial 19 trials
  • Pinnacle Clinical Research Austin, Texas, United States Ongoing trial 19 trials
  • Presbyterian Heart Group Albuquerque, New Mexico, United States Ongoing trial 19 trials
  • Prism Research LLC dba Nucleus Network Saint Paul, Minnesota, United States Ongoing trial 19 trials
  • Protenium Clinical Research Hurst, Texas, United States 19 trials
  • Providence St. Joseph Medical Center Burbank, California, United States Ongoing trial 19 trials
  • QURE Healthcare San Francisco, California, United States 19 trials
  • Qps-Mra, Llc Miami, Florida, United States Ongoing trial 19 trials
  • Radiant Research Santa Rosa, California, United States 19 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