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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

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.

  • Westside Research, LLC Spartanburg, South Carolina, United States 1 trial
  • Westside Surgical Hospital and Breast Center Houston, Texas, United States 1 trial
  • Westside Women's Care Arvada, Colorado, United States 1 trial
  • Westview Apartments Saratoga Springs, New York, United States 1 trial
  • Westview Clinical Research, LLC Placentia, California, United States 1 trial
  • Westwind Senior Center Miami, Florida, United States 1 trial
  • Westwood Los Angeles, California, United States Ongoing trial 1 trial
  • Westwood Associates Los Angeles, California, United States 1 trial
  • Westwood Cardiology Westwood, New Jersey, United States 1 trial
  • Westwood Cardiology Associates, P.A. Westwood, New Jersey, United States 1 trial
  • Westwood Dialysis Center Westwood, Kansas, United States 1 trial
  • Westwood Institute for Anxiety Disorders, Inc. Los Angeles, California, United States 1 trial
  • Westwood Middle School Gainesville, Florida, United States 1 trial
  • Westwood Open MRI Los Angeles, California, United States 1 trial
  • Westwood Women's Health Waterbury, Connecticut, United States 1 trial
  • Westwood-Mansfield Pediatric Associates Westwood, Massachusetts, United States 1 trial
  • Wesy haven va West Haven, Connecticut, United States 1 trial
  • Wetzel County Hospital New Martinsville, West Virginia, United States Ongoing trial 1 trial
  • Wexford Health & Wellness Pavilion Wexford, Pennsylvania, United States Ongoing trial 1 trial
  • Wexford Health and Wellness Pavillion Wexford, Pennsylvania, 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