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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.

  • West Houston Dialysis Houston, Texas, United States 1 trial
  • West Houston Foot and Ankle Missouri City, Texas, United States 1 trial
  • West Houston Pharmacy Tyler, Texas, United States 1 trial
  • West Jeffersion Medical Center Marrero, Louisiana, United States 1 trial
  • West Jefferson Cancer Center Marrero, Louisiana, United States 1 trial
  • West Jefferson General Hospital and Cancer Clinic Marrero, Louisiana, United States 1 trial
  • West Jefferson Med Ctr Marrero, Louisiana, United States Ongoing trial 1 trial
  • West Jefferson Medical Center Cancer Center Marrero, Louisiana, United States Ongoing trial 1 trial
  • West Jefferson Medical Center and LSUHSC-NO New Orleans, Louisiana, United States 1 trial
  • West Jersey Hospital - Voorhees Voorhees Township, New Jersey, United States 1 trial
  • West Kentucky Dermatology Owensboro, Kentucky, United States 1 trial
  • West Kentucky Hematology-Oncology Paducah, Kentucky, United States 1 trial
  • West Ky Hematology & Oncology Paducah, Kentucky, United States 1 trial
  • West LA VA Los Angeles, California, United States 1 trial
  • West LA VA Healthcare Center (UCLA) Los Angeles, California, United States 1 trial
  • West LA VA Medical Center Los Angeles, California, United States 1 trial
  • West LA VA Medical Center - Mental Health Department Los Angeles, California, United States Ongoing trial 1 trial
  • West LA VAHCS Los Angeles, California, United States 1 trial
  • West LA VAMC West Los Angeles, California, United States 1 trial
  • West Lake Ffamily Practice/Time Point Clinical Research Austin, Texas, 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