#1Illinois CancerCare-Havana
Serves this area from Havana, IL (24 mi)
Clinical Research Sites in Cass County, IL
The top-ranked clinical research sites serving Cass County, IL are Illinois CancerCare-Havana, Mason District Hospital and Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative. We list 20 clinical research sites serving Cass County, IL. 20 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 Cass County, IL. 20 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 Cass County
#2Mason District Hospital
Serves this area from Havana, IL (24 mi)#3Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative
Serves this area from Springfield, IL (34 mi)#4Central Illinois Hematology Oncology Center
Serves this area from Springfield, IL (34 mi)#5Saint John's Hospital
Serves this area from Springfield, IL (34 mi)#6Simmons Cancer Institute at SIU
Serves this area from Springfield, IL (34 mi)#7SIU School of Medicine
Serves this area from Springfield, IL (34 mi)#8Southern Illinois University School of Medicine
Serves this area from Springfield, IL (34 mi)#9Springfield Clinic
Serves this area from Springfield, IL (34 mi)#10Springfield Clinic - First
Serves this area from Springfield, IL (34 mi)
10 more providers serving this area
- Prairie Education and Research Cooperative, Springfield, IL (34 mi)
- Prairie Education & Research, Springfield, IL (34 mi)
- Prairie Heart Institute, Springfield, IL (34 mi)
- Memorial Medical Center, Springfield, IL (34 mi)
- Regional Cancer Center at Memorial Medical Center, Springfield, IL (34 mi)
- SIU Medicine, Springfield, IL (34 mi)
- Southern Illinois University, Springfield, IL (34 mi)
- Springfield Memorial Hospital, Springfield, IL (34 mi)
- St. John's Hospital, Springfield, IL (34 mi)
- Springfield Clinic Main Campus, IL
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Frequently asked questions
How many clinical research sites serve Cass County?
We list 20 clinical research sites serving Cass County, IL: 0 based there and 20 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 Cass County?
The top-ranked clinical research sites serving Cass County, IL are Illinois CancerCare-Havana, Mason District Hospital, Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative, Central Illinois Hematology Oncology Center and Saint John's Hospital. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Cass County are verified against official records?
10 of the top 10 match an active official record: Illinois CancerCare-Havana (ClinicalTrials.gov), Mason District Hospital (ClinicalTrials.gov), Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative (ClinicalTrials.gov), Central Illinois Hematology Oncology Center (ClinicalTrials.gov) and Saint John's Hospital (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
Beardstown, Virginia, Ashland, Chandlerville, Arenzville