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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 Coast Pulmonary & Sleep Disorders Center Lancaster, California, United States Ongoing trial 1 trial
  • West Coast Radiology (Chest X-ray) Clearwater, Florida, United States 1 trial
  • West Coast Radiology Center Santa Ana, California, United States 1 trial
  • West Coast Radiology Center Anaheim, California, United States 1 trial
  • West Coast Radiology Centers Laguna Niguel, California, United States 1 trial
  • West Coast Research San Roman, California, United States 1 trial
  • West Coast Research LLC /ID# 167903 Dublin, California, United States 1 trial
  • West Coast Research LLC /ID# 216813 San Ramon, California, United States 1 trial
  • West Coast Research, LLC San Leandro, California, United States 1 trial
  • West Coast Research, LLC Mountain View, California, United States 1 trial
  • West Coast Retina Walnut Creek, California, United States 1 trial
  • West Coast Retina /ID# 256448 San Francisco, California, United States Ongoing trial 1 trial
  • West Coast Retina Medical Group Inc. - 185 Berry St. Suite 130 San Francisco, California, United States 1 trial
  • West Coast Retina Medical Group, Inc. Walnut Creek, California, United States 1 trial
  • West Coast Retinal Medical Group Walnut Creek, California, United States 1 trial
  • West Coast Retinal Medical Group /ID# 283007 San Francisco, California, United States Ongoing trial 1 trial
  • West Coast University Anaheim, California, United States 1 trial
  • West Coast Urology Los Alamitos, California, United States 1 trial
  • West Coast Urology Whittier, California, United States 1 trial
  • West Coaster Center Urology Oxnard, 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