Clinical Research Sites in Clay County, FL

We list 117 clinical research sites serving Clay County, FL: 6 based there and 111 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical research sites serving Clay County, FL are 21st Century Oncology-Orange Park, Cancer Specialists of North Florida, Fleming Island Center for Clinical Research, Florida Cancer Specialists and Northeast Research Institute. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: 21st Century Oncology-Orange Park (ClinicalTrials.gov), Cancer Specialists of North Florida (ClinicalTrials.gov), Fleming Island Center for Clinical Research (ClinicalTrials.gov), Florida Cancer Specialists (ClinicalTrials.gov) and Northeast Research Institute (ClinicalTrials.gov), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"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.

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.