Clinical Research Sites in Long Beach, CA

We list 959 clinical research sites serving Long Beach, CA: 0 based there and 959 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 Long Beach, CA are Healthy Brain Clinic, Healthy Brain Research, City Of Hope, City of Hope at Long Beach Elm and City of Hope Long Beach Elm. 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: Healthy Brain Clinic (ClinicalTrials.gov), Healthy Brain Research (ClinicalTrials.gov), City Of Hope (ClinicalTrials.gov), City of Hope at Long Beach Elm (ClinicalTrials.gov) and City of Hope Long Beach Elm (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.