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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 307,205 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 America307,205

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 States307,205
France73,197
Germany73,176
Italy48,496
China45,975
Japan38,756
Spain36,445
United Kingdom32,416

Trial sites

307,205 sites. Sites with a public page link to it on Pharma Observatory.

  • Walmart Pharmacy Knoxville, Iowa, United States 1 trial
  • Walmart Pharmacy Pella, Iowa, United States 1 trial
  • Walnut Clinical Research Valley Stream, New York, United States Ongoing trial 1 trial
  • Walnut Creek Elementary School Austin, Texas, United States 1 trial
  • Walnut Creek Orthopedics & Sports Medicine Walnut Creek, California, United States 1 trial
  • Walnut Creek, CA Walnut Creek, California, United States 1 trial
  • Walnut Creek, California Walnut Creek, California, United States 1 trial
  • Walnut Hill OB/GYN Associates Dallas, Texas, United States 1 trial
  • Walnut Village Rehabilitation and Care Center Anaheim, California, United States 1 trial
  • Walt Disney Memorial Cancer Institute at Florida Hospital Orlando, Florida, United States 1 trial
  • Walt Whitman High School Bethesda, Maryland, United States 1 trial
  • Walter B. Jones, ADATC Greenville, North Carolina, United States 1 trial
  • Walter Chase Austin, Texas, United States 1 trial
  • Walter E. Washington Convention Center Washington D.C., District of Columbia, United States 1 trial
  • Walter Erhardt Albany, Georgia, United States 1 trial
  • Walter F. Chase Austin, Texas, United States 1 trial
  • Walter F. Chase, M.D., P.A. Austin, Texas, United States 1 trial
  • Walter F. D Costa Santa Rosa, California, United States 1 trial
  • Walter F. D'Costa, DPM Santa Rosa, California, United States 1 trial
  • Walter K. Nahm, MD, PhD, Inc. San Diego, California, United States 1 trial

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