#1Kaiser Permanente Southern California
Serves this area from Pasadena, CA (1 mi)
Clinical Research Sites in Pasadena, CA
The top-ranked clinical research sites serving Pasadena, CA are Kaiser Permanente Southern California, Kaiser Permanente Southern California, Department of Research & Evaluation and Pasadena Clinical Trials. We list 989 clinical research sites serving Pasadena, 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 Pasadena, CA (Los Angeles County). 989 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 Pasadena
#2Kaiser Permanente Southern California, Department of Research & Evaluation
Serves this area from Pasadena, CA (1 mi)#3Pasadena Clinical Trials
Serves this area from Pasadena, CA (1 mi)#4Pasadena Urological Medical Group
Serves this area from Pasadena, CA (1 mi)#5Quantum Clinical Research, Inc
Serves this area from Pasadena, CA (2 mi)#6California Institute of Technology
Serves this area from Pasadena, CA (2 mi)#7California Liver Research Institute
Serves this area from Pasadena, CA (2 mi)#8Foothill Cardiology Pasadena
Serves this area from Pasadena, CA (2 mi)#9Havana Research Institute
Serves this area from Pasadena, CA (2 mi)#10Huntington Hospital
Serves this area from Pasadena, CA (2 mi)
20 more providers serving this area
- Huntington Memorial Hospital, Pasadena, CA (2 mi)
- Keck Medical Center of USC Pasadena, Pasadena, CA (2 mi)
- Lotus Clinical Research, Pasadena, CA (2 mi)
- Profound Research, LLC, Pasadena, CA (2 mi)
- Profound Research LLC at Southern California Heart Specialists, Pasadena, CA (2 mi)
- SC3 Research Pasadena, Pasadena, CA (2 mi)
- Southern California Heart Specialists, Pasadena, CA (2 mi)
- The Oncology Institute of Hope & Innovation, Pasadena, CA (2 mi)
- UCLA Health Primary Care in Pasadena, Pasadena, CA (2 mi)
- UCLA Hematology/ Oncology- Pasadena, Pasadena, CA (2 mi)
- Azul Vision / California Eye Specialists Medical Group, Inc., Pasadena, CA (3 mi)
- California Eye Specialists Medical Group, Inc., Pasadena, CA (3 mi)
- City of Hope at South Pasadena, South Pasadena, CA (4 mi)
- City of Hope South Pasadena, South Pasadena, CA (4 mi)
- City of Hope- South Pasadena Cancer Center, South Pasadena, CA (4 mi)
- Adventist Health Glendale, Glendale, CA (4 mi)
- Behavioral Research Specialists, LLC, Glendale, CA (4 mi)
- California Clinical Trials Medical Group, Glendale, CA (4 mi)
- California Clinical Trials Medical Group (CCTMG), Glendale, CA (4 mi)
- Glendale Adventist Medical Center, Glendale, CA (4 mi)
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Frequently asked questions
How many clinical research sites serve Pasadena?
We list 989 clinical research sites serving Pasadena, CA: 0 based there and 989 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 Pasadena?
The top-ranked clinical research sites serving Pasadena, CA are Kaiser Permanente Southern California, Kaiser Permanente Southern California, Department of Research & Evaluation, Pasadena Clinical Trials, Pasadena Urological Medical Group and Quantum Clinical Research, Inc. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Pasadena are verified against official records?
10 of the top 10 match an active official record: Kaiser Permanente Southern California (ClinicalTrials.gov), Kaiser Permanente Southern California, Department of Research & Evaluation (ClinicalTrials.gov), Pasadena Clinical Trials (ClinicalTrials.gov), Pasadena Urological Medical Group (ClinicalTrials.gov) and Quantum Clinical Research, 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 .