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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 307,205 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 America307,205

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 States307,205
France73,197
Germany73,176
Italy48,496
China45,975
Japan38,756
Spain36,445
United Kingdom32,416

Trial sites

307,205 sites. Sites with a public page link to it on Pharma Observatory.

  • WDC Cosmetic and Research, PLLC /ID# 233935 Wilmington, North Carolina, United States 1 trial
  • WFBH Lexington Medical Center Lexington, North Carolina, United States 1 trial
  • WFBIK Geriatric Medicine-Kernersville Kernersville, North Carolina, United States 1 trial
  • WFH-St. Francis Milwaukee, Wisconsin, United States 1 trial
  • WFHN Family Medicine-Premier High Point, North Carolina, United States 1 trial
  • WFHN Family Medicine-Thomasville Thomasville, North Carolina, United States 1 trial
  • WFUBMC Winston-Salem, North Carolina, United States 1 trial
  • WFUHS Brenner Children's Hospital NICU Winston-Salem, North Carolina, United States 1 trial
  • WG Clinical Research Tucson, Arizona, United States 1 trial
  • WHA Medical Clinic PLLC Wilmington, North Carolina, United States 1 trial
  • WHARF Birmingham, Alabama, United States 1 trial
  • WHC Washington MedStar Washington D.C., District of Columbia, United States Ongoing trial 1 trial
  • WHCR- M3 Wake Research San Diego, California, United States 1 trial
  • WHMC Lackland Air Force Base, Texas, United States 1 trial
  • WHS East Campus Decatur, Texas, United States Ongoing trial 1 trial
  • WHS Pain Management Center at Southlake Southlake, Texas, United States Ongoing trial 1 trial
  • WHUSA Fine and Gillette ( Site 0751) Hamden, Connecticut, United States 1 trial
  • WI Center for Advanced Res /ID# 122178 Milwaukee, Wisconsin, United States 1 trial
  • WI Surgery Center Milwaukee, Wisconsin, United States Ongoing trial 1 trial
  • WIC Guilford County Greensboro, North Carolina, United States Ongoing trial 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