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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 307,818 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 America307,818

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 States307,818
France73,311
Germany73,247
Italy48,647
China46,227
Japan38,811
Spain36,541
United Kingdom32,473

Trial sites

307,818 sites. Sites with a public page link to it on Pharma Observatory.

  • Childrens National Hospital Washington D.C., District of Columbia, United States Ongoing trial 18 trials
  • Childrens Oncology Group Philadelphia, Pennsylvania, United States Ongoing trial 18 trials
  • Cincinnati Childrens Hospital Cincinnati, Ohio, United States Ongoing trial 18 trials
  • City Hosp Ctr at Elmhurst / Mount Sinai Hosp Elmhurst, New York, United States 18 trials
  • City of Hope Rancho Cucamonga Rancho Cucamonga, California, United States Ongoing trial 18 trials
  • Clayton Eye Center Morrow, Georgia, United States 18 trials
  • Clayton Eye Clinical Research, LLC Morrow, Georgia, United States Ongoing trial 18 trials
  • Clermont Oncology Center Clermont, Florida, United States Ongoing trial 18 trials
  • Cleveland Clinic Foundation; Cole Eye Institute Cleveland, Ohio, United States Ongoing trial 18 trials
  • ClinOhio Research Services Columbus, Ohio, United States Ongoing trial 18 trials
  • Clinical Innovations, Inc. Riverside, California, United States Ongoing trial 18 trials
  • Clinical Research Site Cincinnati, Ohio, United States Ongoing trial 18 trials
  • Clinical Research Site Las Vegas, Nevada, United States Ongoing trial 18 trials
  • Clinical Trial Site Durham, North Carolina, United States Ongoing trial 18 trials
  • Clinical Trial Site Pittsburgh, Pennsylvania, United States Ongoing trial 18 trials
  • Clinical Trial Site Orlando, Florida, United States Ongoing trial 18 trials
  • Collaborative Neuroscience Network Inc. Torrance, California, United States 18 trials
  • Colorado Medical Research Center, Inc. Denver, Colorado, United States 18 trials
  • Compassionate Cancer Care Medical Group, Inc. Fountain Valley, California, United States Ongoing trial 18 trials
  • Comprehensive Cancer Center of Nevada Las Vegas, Nevada, United States Ongoing trial 18 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