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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 307,840 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 America307,840

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 States307,840
France73,350
Germany73,241
Italy48,699
China46,284
Japan38,844
Spain36,569
United Kingdom32,501

Trial sites

307,840 sites. Sites with a public page link to it on Pharma Observatory.

  • Alkermes Investigational Site Cincinnati, Ohio, United States Ongoing trial 12 trials
  • Alkermes Investigational Site Orlando, Florida, United States Ongoing trial 12 trials
  • Alkermes Investigational Site Philadelphia, Pennsylvania, United States 12 trials
  • Alkermes Investigational Site Decatur, Georgia, United States Ongoing trial 12 trials
  • Allegheny University Hospitals- Hahnemann Philadelphia, Pennsylvania, United States 12 trials
  • Allergy & Asthma Associates of Southern California Mission Viejo, California, United States Ongoing trial 12 trials
  • Allergy and Asthma Associates Austin, Texas, United States 12 trials
  • Alliance Research Long Beach, California, United States Ongoing trial 12 trials
  • Alliance for Multispecialty Research, LLC Norfolk, Virginia, United States Ongoing trial 12 trials
  • Allied Biomedical Research Institute, Inc Miami, Florida, United States Ongoing trial 12 trials
  • Allina Health Cancer Institute Minneapolis, Minnesota, United States Ongoing trial 12 trials
  • Alpine Clinical Research Center, Inc. Boulder, Colorado, United States Ongoing trial 12 trials
  • Alpine Hematology-Oncology Reno, Nevada, United States Ongoing trial 12 trials
  • Amedica Research Institute, Inc. Hialeah, Florida, United States 12 trials
  • American Health Network Indianapolis, Indiana, United States Ongoing trial 12 trials
  • Amicis Centers of Clinical Research St Louis, Missouri, United States Ongoing trial 12 trials
  • Angel Medical Center Franklin, North Carolina, United States Ongoing trial 12 trials
  • Arch Clinical Trials, LLC St Louis, Missouri, United States Ongoing trial 12 trials
  • Arcturus Healthcare, PLC. Troy, Michigan, United States Ongoing trial 12 trials
  • Arizona Arthritis & Rheumatology Research, PLLC Glendale, Arizona, United States Ongoing trial 12 trials

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