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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 307,017 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 America307,017

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 States307,017
Germany73,166
France73,153
Italy48,417
China45,895
Japan38,740
Spain36,429
United Kingdom32,402

Trial sites

307,017 sites. Sites with a public page link to it on Pharma Observatory.

  • Wellstar Neurosurgery Atlanta, Georgia, United States 1 trial
  • Wellstar Paulding Hiram, Georgia, United States Ongoing trial 1 trial
  • Wellstar Research Institue Marietta, Georgia, United States Ongoing trial 1 trial
  • Wellstar Research Institute Hiram, Georgia, United States Ongoing trial 1 trial
  • Wellstar-Kennestone Cancer Center Marietta, Georgia, United States 1 trial
  • Wellstar-Northwest Georgia Oncology Centers Marietta, Georgia, United States 1 trial
  • Wellstat Therapeutics Gaithersburg, Maryland, United States 1 trial
  • Wellstone Huntsville, Alabama, United States Ongoing trial 1 trial
  • Wellth New York, New York, United States 1 trial
  • Wellth Inc. Los Angeles, California, United States Ongoing trial 1 trial
  • Wellward Medical Lexington, Kentucky, United States Ongoing trial 1 trial
  • Wellward Regenerative Medicine Lexington, Kentucky, United States Ongoing trial 1 trial
  • Wen Liu Kansas City, Kansas, United States 1 trial
  • Wenatchee Valley Clinic [Wenatchee, WA] ( Site 0116) Wenatchee, Washington, United States 1 trial
  • Wenatchee Valley Hospital & Clinics - ATTN: Jay Johnson Wenatchee, Washington, United States Ongoing trial 1 trial
  • Wenatchee Valley Hospital ( Site 0019) Wenatchee, Washington, United States 1 trial
  • Wenatchee Valley Hospitals & Clinics Wenatchee, Washington, United States 1 trial
  • Wenatchee Valley Medical Center Clinical Research Dept. Wenatchee, Washington, United States 1 trial
  • Wenatchee Valley Medical Center Oncology Wenatchee, Washington, United States Ongoing trial 1 trial
  • Wenatchee Valley Medical Center, Research Department Wenatchee, Washington, 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