#1Siteman Cancer Center-South County
Serves this area from Oakville, MO (15 mi)
Clinical Research Sites in Monroe County, IL
The top-ranked clinical research sites serving Monroe County, IL are Siteman Cancer Center-South County, St Louis V A Medical Center and Veteran's Affairs Medical Center - Saint Louis. We list 101 clinical research sites serving Monroe County, IL. 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 Monroe County, IL. 101 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 Monroe County
#2St Louis V A Medical Center
Serves this area from Lemay, MO (18 mi)#3Veteran's Affairs Medical Center - Saint Louis
Serves this area from Lemay, MO (18 mi)#4Amicis Centers of Clinical Research
Serves this area from MO#5Mercy Clinic Oncology and Hematology - Sindelar Cancer Center
Serves this area from MO#6Mercy Hospital South
Serves this area from MO#7Mercy South
Serves this area from MO#8St. Louis Foot and Ankle, LLC
Serves this area from MO#9Tekton Research LLC
Serves this area from MO#10Tekwani Vision Center
Serves this area from MO
20 more providers serving this area
- The Retina Institute, MO
- Cancer Care Specialists of Illinois-Swansea, Swansea, IL (20 mi)
- Clayton Sleep Institute, Affton, MO (20 mi)
- KAD Clinical Research, Affton, MO (20 mi)
- Memorial Hospital Belleville, Swansea, IL (20 mi)
- Southwest Illinois Health Services LLP, Swansea, IL (20 mi)
- SSM Health Cancer Care - St. Clare, Fenton, MO (22 mi)
- BJC Outpatient Center at Sunset Hills, Sunset Hills, MO (22 mi)
- Missouri Baptist Outpatient Center-Sunset Hills, Sunset Hills, MO (22 mi)
- Saint Louis Rheumatology, Webster Groves, MO (23 mi)
- Retina Research Institute, LLC, Brentwood, MO (25 mi)
- IMA Clinical Research - St. Louis, Richmond Heights, MO (26 mi)
- Sainte Genevieve County Memorial Hospital, MO
- Cancer Care Center of O'Fallon, O'Fallon, IL (26 mi)
- Cancer Care Specialists of Central Illinois, O'Fallon, IL (26 mi)
- Cancer Care Specialists of Illinois, O'Fallon, IL (26 mi)
- Cancer Care Specialists of Illinois - Cancer Care Center of O'Fallon, O'Fallon, IL (26 mi)
- Gateway Clinical Trials, O'Fallon, IL (26 mi)
- Hospital Sisters Health System (HSHS) - St Elizabeth's Hospital, O'Fallon, IL (26 mi)
- HSHS Saint Elizabeth's Hospital, O'Fallon, IL (26 mi)
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Frequently asked questions
How many clinical research sites serve Monroe County?
We list 101 clinical research sites serving Monroe County, IL: 0 based there and 101 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 Monroe County?
The top-ranked clinical research sites serving Monroe County, IL are Siteman Cancer Center-South County, St Louis V A Medical Center, Veteran's Affairs Medical Center - Saint Louis, Amicis Centers of Clinical Research and Mercy Clinic Oncology and Hematology - Sindelar Cancer Center. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Monroe County are verified against official records?
10 of the top 10 match an active official record: Siteman Cancer Center-South County (ClinicalTrials.gov), St Louis V A Medical Center (ClinicalTrials.gov), Veteran's Affairs Medical Center - Saint Louis (ClinicalTrials.gov), Amicis Centers of Clinical Research (ClinicalTrials.gov) and Mercy Clinic Oncology and Hematology - Sindelar Cancer Center (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 .
Communities served
Waterloo, Columbia, Valmeyer, Hecker, Maeystown, Fults