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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 307,818 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 America307,818

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 States307,818
France73,311
Germany73,247
Italy48,647
China46,227
Japan38,811
Spain36,541
United Kingdom32,473

Trial sites

307,818 sites. Sites with a public page link to it on Pharma Observatory.

  • V Royter, MD, APMC Hanford, California, United States 1 trial
  • V.A St. Louis Health Care System St Louis, Missouri, United States 1 trial
  • V.A. Ann Arbor Healthcare System Ann Arbor, Michigan, United States Ongoing trial 1 trial
  • V.A. Long Beach Medical Center Long Beach, California, United States 1 trial
  • V.A. Medical Center Salt Lake City, Utah, United States 1 trial
  • V.A. Medical Center Gainsville, Florida, United States 1 trial
  • V.A. Medical Center Research Kansas City, Missouri, United States 1 trial
  • V.A. North Texas Health Care System Dallas, Texas, United States 1 trial
  • V.A. Sierra Nevada Health Care Reno, Nevada, United States 1 trial
  • V.A. Tennessee Valley Healthcare System Nashville, Tennessee, United States 1 trial
  • V.Jerome Mirkil, MD Las Vegas, Nevada, United States 1 trial
  • VA Adult & Pediatric Allergy & Asthma PC Richmond, Virginia, United States 1 trial
  • VA Adult and Pediatric Allergy and Asthma Richmond, Virginia, United States 1 trial
  • VA Ann Arbor Health Care Ann Arbor, Michigan, United States 1 trial
  • VA Ann Arbor Health Care | Veterans Affairs Ann Arbor, Michigan, United States 1 trial
  • VA Ann Arbor Health System VA Ann Arbor Health System Ann Arbor, Michigan, United States 1 trial
  • VA Ann Arbor Healthcare Ann Arbor, Michigan, United States Ongoing trial 1 trial
  • VA Ann Arbor Healthcare System ( Site 0019) Ann Arbor, Michigan, United States Ongoing trial 1 trial
  • VA Ann Arbor Healthcare System ( Site 0050) Ann Arbor, Michigan, United States Ongoing trial 1 trial
  • VA Ann Arbor Healthcare System ( Site 1584) Ann Arbor, Michigan, 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