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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.

  • Research Site North Little Rock, Arkansas, United States Ongoing trial 12 trials
  • Research Site Potomac, Maryland, United States Ongoing trial 12 trials
  • Research Site Altamonte Springs, Florida, United States Ongoing trial 12 trials
  • Research Site Hazel Crest, Illinois, United States Ongoing trial 12 trials
  • Research Site Surprise, Arizona, United States Ongoing trial 12 trials
  • Respiratory Specialists Wyomissing, Pennsylvania, United States Ongoing trial 12 trials
  • Retina Associates of NJ Teaneck, New Jersey, United States Ongoing trial 12 trials
  • Retina Consultants of Texas (Katy) Katy, Texas, United States Ongoing trial 12 trials
  • Retina Consultants of Texas - San Antonio San Antonio, Texas, United States Ongoing trial 12 trials
  • Retina Group of Washington Fairfax, Virginia, United States Ongoing trial 12 trials
  • Retina Macula Institute of Arizona Scottsdale, Arizona, United States Ongoing trial 12 trials
  • Retina Vitreous Associates of Florida - Saint Petersburg St. Petersburg, Florida, United States Ongoing trial 12 trials
  • Retina Vitreous Consultants Monroeville, Pennsylvania, United States Ongoing trial 12 trials
  • Revival Research Doral, Florida, United States Ongoing trial 12 trials
  • Revive Research Institute Elgin, Illinois, United States Ongoing trial 12 trials
  • Revive Research Institute, Inc. Southfield, Michigan, United States Ongoing trial 12 trials
  • Rex Cancer Center of Wakefield Raleigh, North Carolina, United States Ongoing trial 12 trials
  • Ricky K. Hsu, MD, PC New York, New York, United States Ongoing trial 12 trials
  • Roanoke Heart Institute Roanoke, Virginia, United States Ongoing trial 12 trials
  • Rocky Mountain Ear Center Englewood, Colorado, 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