Clinical Research Sites in Alhambra, CA

The top-ranked clinical research sites serving Alhambra, CA are UCLA Health Cancer Care in Alhambra, UCLA Hematology/Oncology - Alhambra and UCLA Ronald Reagan Medical Center. We list 994 clinical research sites serving Alhambra, CA. 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 Alhambra, CA (Los Angeles County). 994 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 Alhambra

20 more providers serving this area

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Frequently asked questions

How many clinical research sites serve Alhambra?

We list 994 clinical research sites serving Alhambra, CA: 0 based there and 994 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 Alhambra?

The top-ranked clinical research sites serving Alhambra, CA are UCLA Health Cancer Care in Alhambra, UCLA Hematology/Oncology - Alhambra, UCLA Ronald Reagan Medical Center, City of Hope at South Pasadena and City of Hope South Pasadena. The full ranked list, with the official records each provider matched, is on this page.

Which clinical research sites serving Alhambra are verified against official records?

10 of the top 10 match an active official record: UCLA Health Cancer Care in Alhambra (ClinicalTrials.gov), UCLA Hematology/Oncology - Alhambra (ClinicalTrials.gov), UCLA Ronald Reagan Medical Center (ClinicalTrials.gov), City of Hope at South Pasadena (ClinicalTrials.gov) and City of Hope South Pasadena (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 .

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