Clinical Research Sites in Multnomah County, OR

We list 159 clinical research sites serving Multnomah County, OR: 104 based there and 55 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 Multnomah County, OR are Adventist Medical Center, Casey Eye Institute, Casey Eye Institute - OHSU, Casey Eye Institute Oregon Health & Science University and Compass Oncology Rose Quarter. 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: Adventist Medical Center (ClinicalTrials.gov), Casey Eye Institute (ClinicalTrials.gov), Casey Eye Institute - OHSU (ClinicalTrials.gov), Casey Eye Institute Oregon Health & Science University (ClinicalTrials.gov) and Compass Oncology Rose Quarter (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.