Licensed LookupClinical Research Sites Directory

Independent directory. Not a government website.

Clinical Research Sites in El Cajon, CA

The top-ranked clinical research sites serving El Cajon, CA are Biosolutions Clinical Research Center, EndoTrials Center for Clinical Research and Grossmont Orthopaedic Medical Group. We list 273 clinical research sites serving El Cajon, 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 El Cajon, CA (San Diego County). 273 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 El Cajon

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Biosolutions Clinical Research CenterSite on 6 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
2EndoTrials Center for Clinical ResearchSite on 2 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
3Grossmont Orthopaedic Medical GroupSite on 2 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
4Horizon Clinical ResearchSite on 10 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
5Purushotham & Akther Kotha MD, IncSite on 4 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
6San Diego Clinical TrialsSite on 4 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
7Sharp Grossmont HospitalSite on 2 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
8Triwest Research Associates LLCSite on 2 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
9Velocity Clinical Research, San DiegoSite on 10 active studies registered on ClinicalTrials.gov
La Mesa, CA (4 mi)—
10Kaiser PermanenteSite on 8 active studies registered on ClinicalTrials.gov
San Diego, CA (4 mi)—
20 more providers serving this area

Request quotes

Quote requests are not yet enabled on this site. Please call a provider directly.

Frequently asked questions

How many clinical research sites serve El Cajon?

We list 273 clinical research sites serving El Cajon, CA: 0 based there and 273 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 El Cajon?

The top-ranked clinical research sites serving El Cajon, CA are Biosolutions Clinical Research Center, EndoTrials Center for Clinical Research, Grossmont Orthopaedic Medical Group, Horizon Clinical Research and Purushotham & Akther Kotha MD, Inc. The full ranked list, with the official records each provider matched, is on this page.

Which clinical research sites serving El Cajon are verified against official records?

10 of the top 10 match an active official record: Biosolutions Clinical Research Center (ClinicalTrials.gov), EndoTrials Center for Clinical Research (ClinicalTrials.gov), Grossmont Orthopaedic Medical Group (ClinicalTrials.gov), Horizon Clinical Research (ClinicalTrials.gov) and Purushotham & Akther Kotha MD, Inc (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 .

Nearby cities

San Diego (10 mi)National City (12 mi)Chula Vista (12 mi)Escondido (24 mi)Encinitas (25 mi)