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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 306,971 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 America306,971

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 States306,971
Germany73,164
France73,137
Italy48,412
China45,861
Japan38,736
Spain36,429
United Kingdom32,401

Trial sites

306,971 sites. Sites with a public page link to it on Pharma Observatory.

  • Wilford Hall USAF Medical Center Lackland Air Force Base, Texas, United States 1 trial
  • Wilford Hall, Lackland Airforce Base Lackland City, Texas, United States 1 trial
  • Wilker/Powers Center for Clinical Studies, d/b/a ProHealth Clinical Studies Saint Cloud, Florida, United States 1 trial
  • Wilkes County Emergency Medical Services Wilkesboro, North Carolina, United States Ongoing trial 1 trial
  • Wilkes County Public Health Community Clinic Wilkesboro, North Carolina, United States Ongoing trial 1 trial
  • Wilkes Internal Medicine Wilkesboro, North Carolina, United States 1 trial
  • Wilkes Medical Center Wilkesboro, North Carolina, United States Ongoing trial 1 trial
  • Wilkes Regional Medical Center North Wilkesboro, North Carolina, United States 1 trial
  • Wilkes-Barre General Hospital Plains, Pennsylvania, United States 1 trial
  • Wilkshire Early Childhood Center- Haslett, Michigan, United States 1 trial
  • Will Cornell Medicine New York, New York, United States Ongoing trial 1 trial
  • Will County Coroner's Office Joliet, Illinois, United States Ongoing trial 1 trial
  • Will Surgical Arts Ijamsville, Maryland, United States 1 trial
  • Will and Ariel Durant Library Los Angeles, California, United States 1 trial
  • Will2Love, LLC Houston, Texas, United States 1 trial
  • Willam S. Middleton Memorial Veterans Hospital Madison, Wisconsin, United States 1 trial
  • Willamette Dental Group & Skourtes Institute Hillsboro, Oregon, United States 1 trial
  • Willamette ENT and Facial Plastic Surgery Salem, Oregon, United States 1 trial
  • Willamette Family Treatment Center Eugene, Oregon, United States 1 trial
  • Willamette Family, Inc. Eugene, Oregon, 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