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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 307,307 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 America307,307

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 States307,307
France73,234
Germany73,217
Italy48,542
China46,028
Japan38,759
Spain36,468
United Kingdom32,428

Trial sites

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

  • Ventura County Fire Department Camarillo, California, United States 1 trial
  • Ventura County Gastroenterology Oxnard, California, United States 1 trial
  • Ventura County Gastroenterology Medical Group Camarillo, California, United States Ongoing trial 1 trial
  • Ventura County Gastroenterology Medical Group /ID# 163417 Oxnard, California, United States Ongoing trial 1 trial
  • Ventura County Gastroenterology Medical Group Camarillo Camarillo, California, United States 1 trial
  • Ventura County Hematology Oncology Specialists-Oxnard Oxnard, California, United States Ongoing trial 1 trial
  • Ventura County Hematology and Oncology PMK Medical Group Oxnard, California, United States 1 trial
  • Ventura County Hematology-Oncology Medical Group, Inc. Oxnard, California, United States 1 trial
  • Ventura County Hematology-Oncology Specialists (TORI) Oxnard, California, United States 1 trial
  • Ventura County Medical Center Santa Ana, California, United States Ongoing trial 1 trial
  • Ventura County Medical Center /ID# 248586 Ventura, California, United States 1 trial
  • Ventura County Medical Center Hospital Ventura, California, United States 1 trial
  • Ventura County Medical Ctr Ventura, California, United States 1 trial
  • Ventura County Medical center Santa Paula Ventura, California, United States 1 trial
  • Ventura Hematology - Oncology Specialists - Oxnard Oxnard, California, United States 1 trial
  • Ventura Ophthalmology /ID# 227585 Ventura, California, United States 1 trial
  • Venture Ambulatory Surgical Center North Miami Beach, Florida, United States 1 trial
  • Venture Research Institute Miami, Florida, United States 1 trial
  • Venture Research Institute North Miami Beach, Florida, United States 1 trial
  • Venture Research Institute, LLC Miami, Florida, 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