#1Mercy Regional Cancer Center
Serves this area from Shasta, CA (35 mi)
Clinical Research Sites in Trinity County, CA
The top-ranked clinical research sites serving Trinity County, CA are Mercy Regional Cancer Center, Paradigm Clinical Research Center, Inc. and Paradigm Clinical Research Centers, LLC. We list 6 clinical research sites serving Trinity County, CA. 6 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 Trinity County, CA. 6 providers, 6 of the top 6 verified against federal or state records. Registry records checked on 2026-11-04.
Top 6 ranked clinical research sites for Trinity County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Mercy Regional Cancer Center | Site on 8 active studies registered on ClinicalTrials.gov | Shasta, CA (35 mi) | — |
| 2 | Paradigm Clinical Research Center, Inc. | Site on 2 active studies registered on ClinicalTrials.gov | Shasta, CA (35 mi) | — |
| 3 | Paradigm Clinical Research Centers, LLC | Site on 6 active studies registered on ClinicalTrials.gov | Shasta, CA (35 mi) | — |
| 4 | Paradigm Clinical Research - Redding | Site on 2 active studies registered on ClinicalTrials.gov | Shasta, CA (35 mi) | — |
| 5 | The Cardiovascular Center | Site on 3 active studies registered on ClinicalTrials.gov | Shasta, CA (35 mi) | — |
| 6 | Mercy Oncology Center | Site on 7 active studies registered on ClinicalTrials.gov | Redding, CA (43 mi) | — |
#2Paradigm Clinical Research Center, Inc.
Serves this area from Shasta, CA (35 mi)#3Paradigm Clinical Research Centers, LLC
Serves this area from Shasta, CA (35 mi)#4Paradigm Clinical Research - Redding
Serves this area from Shasta, CA (35 mi)#5The Cardiovascular Center
Serves this area from Shasta, CA (35 mi)#6Mercy Oncology Center
Serves this area from Redding, CA (43 mi)
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Frequently asked questions
How many clinical research sites serve Trinity County?
We list 6 clinical research sites serving Trinity County, CA: 0 based there and 6 serving it from nearby. 6 of the top 6 match an active federal or state record, checked on 2026-11-04.
Which clinical research sites serve Trinity County?
The top-ranked clinical research sites serving Trinity County, CA are Mercy Regional Cancer Center, Paradigm Clinical Research Center, Inc., Paradigm Clinical Research Centers, LLC, Paradigm Clinical Research - Redding and The Cardiovascular Center. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Trinity County are verified against official records?
6 of the top 6 match an active official record: Mercy Regional Cancer Center (ClinicalTrials.gov), Paradigm Clinical Research Center, Inc. (ClinicalTrials.gov), Paradigm Clinical Research Centers, LLC (ClinicalTrials.gov), Paradigm Clinical Research - Redding (ClinicalTrials.gov) and The Cardiovascular Center (ClinicalTrials.gov), and 1 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 .
Communities served
Weaverville, Post Mountain, Hayfork, Lewiston, Douglas City, Junction City, Salyer, Mad River, Trinity Village, Ruth, Burnt Ranch, Hyampom, Trinity Center, Coffee Creek