#1Siteman Cancer Center
Serves this area from St. Louis, MO (1 mi)
Clinical Research Sites in St. Louis, MO
The top-ranked clinical research sites serving St. Louis, MO are Siteman Cancer Center, Siteman Cancer Center Washington University and Siteman Cancer Center - Washington University Medical Campus. We list 174 clinical research sites serving St. Louis, MO. 30 of the providers shown match an active record from ClinicalTrials.gov, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical Research Sites serving St. Louis, MO (St. Louis city). 174 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical research sites for St. Louis
#2Siteman Cancer Center Washington University
Serves this area from St. Louis, MO (1 mi)#3Siteman Cancer Center - Washington University Medical Campus
Serves this area from St. Louis, MO (1 mi)#4Washington University in St. Louis School of Medicine
Serves this area from St. Louis, MO (1 mi)#5Washington University Saint Louis
Serves this area from St. Louis, MO (1 mi)#6Washington University St. Louis
Serves this area from St. Louis, MO (1 mi)#7Washington Univ School of Medicine
Serves this area from St. Louis, MO (1 mi)#8WashU Medicine
Serves this area from St. Louis, MO (1 mi)#9Barnes Jewish
Serves this area from St. Louis, MO (1 mi)#10Barnes-Jewish Hospital
Serves this area from St. Louis, MO (1 mi)
20 more providers serving this area
- Barnes Jewish Hospital at Washington University, St. Louis, MO (1 mi)
- Barnes Jewish Hospital / Washington University, St. Louis, MO (1 mi)
- Renown Regional Medical Center, St. Louis, MO (1 mi)
- Saint Louis Children's Hospital, St. Louis, MO (1 mi)
- Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis, St. Louis, MO (1 mi)
- Siteman Cancer Center at Washington University, St. Louis, MO (1 mi)
- SSM Health St. Louis University Hospital, St. Louis, MO (1 mi)
- St Louis, St. Louis, MO (1 mi)
- St. Louis Children's Hospital, St. Louis, MO (1 mi)
- St. Louis Children's Hospital - Nephrology, St. Louis, MO (1 mi)
- St. Louis Children's Hospital/Washington University, St. Louis, MO (1 mi)
- St. Louis University, St. Louis, MO (1 mi)
- St. Louis University Hospital, St. Louis, MO (1 mi)
- Washington Uni School of Medicine, St. Louis, MO (1 mi)
- Washington University at St Louis, St. Louis, MO (1 mi)
- Washington University - Barnes Jewish Hospital, St. Louis, MO (1 mi)
- Washington University Center for Advanced Medicine, St. Louis, MO (1 mi)
- Washington University (Data Collection Only), St. Louis, MO (1 mi)
- Washington University in Saint Louis School of Medicine Emergency Care and Research Core, St. Louis, MO (1 mi)
- Washington University in St. Louis, St. Louis, MO (1 mi)
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Frequently asked questions
How many clinical research sites serve St. Louis?
We list 174 clinical research sites serving St. Louis, MO: 0 based there and 174 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical research sites serve St. Louis?
The top-ranked clinical research sites serving St. Louis, MO are Siteman Cancer Center, Siteman Cancer Center Washington University, Siteman Cancer Center - Washington University Medical Campus, Washington University in St. Louis School of Medicine and Washington University Saint Louis. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving St. Louis are verified against official records?
10 of the top 10 match an active official record: Siteman Cancer Center (ClinicalTrials.gov), Siteman Cancer Center Washington University (ClinicalTrials.gov), Siteman Cancer Center - Washington University Medical Campus (ClinicalTrials.gov), Washington University in St. Louis School of Medicine (ClinicalTrials.gov) and Washington University Saint Louis (ClinicalTrials.gov), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
How do sponsors judge a research site?
Common checks are enrollment history in the indication, experienced coordinators, IRB arrangements, start-up time and data quality. ClinicalTrials.gov shows which studies a site has been listed on.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .