#1Elixia MNA
Based in St. Peters, MO
Clinical Research Sites in St. Charles County, MO
The top-ranked clinical research sites serving St. Charles County, MO are Elixia MNA, Exercise and Performance Nutrition Laboratory and Lindenwood University. We list 105 clinical research sites serving St. Charles County, 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. Charles County, MO. 105 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. Charles County
#2Exercise and Performance Nutrition Laboratory
Based in MO#3Lindenwood University
Based in MO#4Midwest Chest Consultants, PC
Based in MO#5Midwest Research Group
Based in Weldon Spring Heights, MO#6Psychiatric Care and Research Center
Based in O'Fallon, MO#7Siteman Cancer Center at Saint Peters Hospital
Based in St. Peters, MO#8Siteman Cancer Center - Saint Peters
Based in St. Peters, MO#9Siteman Cancer Center - St Peters
Based in St. Peters, MO#10St. Charles Clinical Research
Based in Weldon Spring Heights, MO
20 more providers serving this area
- St. Charles Psychiatric Associates - Midwest Research Group, Weldon Spring Heights, MO
- StudyMetrix Research LLC, MO
- Washington University Medical School, St. Peters, MO
- Clinical Research Professionals, Wildwood, MO (10 mi)
- Galen Research LLC, Wildwood, MO (10 mi)
- DelRicht Research - Town and Country, Chesterfield, MO (11 mi)
- Gateway Gastroenterology - Site Number: 8400097, Chesterfield, MO (11 mi)
- Midwest Vision Research Foundation, Chesterfield, MO (11 mi)
- Pepose Vision Institute, Chesterfield, MO (11 mi)
- Saint Louis Pain Consultants, Chesterfield, MO (11 mi)
- Saint Luke's Hospital, Chesterfield, MO (11 mi)
- St. Luke's Hospital, Chesterfield, MO (11 mi)
- The Lung Research Center, LLC, Chesterfield, MO (11 mi)
- SSM Health DePaul Hospital, Bridgeton, MO (13 mi)
- St. Louis Cancer Care, LLP, Bridgeton, MO (13 mi)
- St. Louis Heart and Vascular, Bridgeton, MO (13 mi)
- Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin, MO (14 mi)
- Saint Louis Cancer and Breast Institute-Ballwin, Ballwin, MO (14 mi)
- Arch Clinical Trials, Creve Coeur, MO (15 mi)
- Barnes-Jewish West County Hospital, Creve Coeur, MO (15 mi)
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Frequently asked questions
How many clinical research sites serve St. Charles County?
We list 105 clinical research sites serving St. Charles County, MO: 13 based there and 92 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. Charles County?
The top-ranked clinical research sites serving St. Charles County, MO are Elixia MNA, Exercise and Performance Nutrition Laboratory, Lindenwood University, Midwest Chest Consultants, PC and Midwest Research Group. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving St. Charles County are verified against official records?
10 of the top 10 match an active official record: Elixia MNA (ClinicalTrials.gov), Exercise and Performance Nutrition Laboratory (ClinicalTrials.gov), Lindenwood University (ClinicalTrials.gov), Midwest Chest Consultants, PC (ClinicalTrials.gov) and Midwest Research Group (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 .
Cities in St. Charles County
Communities served
Wentzville, Lake St. Louis, Dardenne Prairie, Cottleville, Weldon Spring, St. Paul, Foristell, Flint Hill, New Melle, Josephville, West Alton, Portage Des Sioux, Augusta, Defiance, Weldon Spring Heights