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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.

  • West Cancer Center, East Memphis Memphis, Tennessee, United States 1 trial
  • West Cancer Center, Midtown Memphis, Tennessee, United States 1 trial
  • West Cancer Centre Germantown, Tennessee, United States Ongoing trial 1 trial
  • West Carolina Retinal AssocPA Asheville, North Carolina, United States 1 trial
  • West Central Behavioral Health Claremont, New Hampshire, United States 1 trial
  • West Central Gastroenterology Tampa, Florida, United States 1 trial
  • West Central Gastroenterology /ID# 155242 Clearwater, Florida, United States Ongoing trial 1 trial
  • West Central Gastroenterology d/b/a Gastro Florida Pinellas Park, Florida, United States Ongoing trial 1 trial
  • West Central Gastroenterology, LLP Clearwater, Florida, United States 1 trial
  • West Central Surgical Center Toledo, Ohio, United States Ongoing trial 1 trial
  • West Central Surgical Center Bayside Oregon, Ohio, United States Ongoing trial 1 trial
  • West Chester Cardiology West Chester, Pennsylvania, United States 1 trial
  • West Chester Hosp West Chester, Ohio, United States Ongoing trial 1 trial
  • West Chester Hospital West Chester, Pennsylvania, United States 1 trial
  • West Chester Hospital (OH394) West Chester, Ohio, United States Ongoing trial 1 trial
  • West Chester Hospital, LLC West Chester, Ohio, United States 1 trial
  • West Chester Medical Center Hawthorne, New York, United States 1 trial
  • West Chester Medical Center-Maria Fareri Children's Hospital Valhalla, New York, United States 1 trial
  • West Chester Surgical Suites West Chester, Ohio, United States Ongoing trial 1 trial
  • West Chester University of Pennsylvania West Chester, 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