Clinical Research Sites in Longview, TX

The top-ranked clinical research sites serving Longview, TX are Texas Oncology, Texas Oncology Longview and Texas Oncology-Longview Cancer Center. We list 30 clinical research sites serving Longview, TX. 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 Longview, TX (Gregg County). 30 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 Longview

20 more providers serving this area

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Frequently asked questions

How many clinical research sites serve Longview?

We list 30 clinical research sites serving Longview, TX: 0 based there and 30 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 Longview?

The top-ranked clinical research sites serving Longview, TX are Texas Oncology, Texas Oncology Longview, Texas Oncology-Longview Cancer Center, Texas Oncology - Northeast Texas and DCOL Center for Clinical Research. The full ranked list, with the official records each provider matched, is on this page.

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

10 of the top 10 match an active official record: Texas Oncology (ClinicalTrials.gov), Texas Oncology Longview (ClinicalTrials.gov), Texas Oncology-Longview Cancer Center (ClinicalTrials.gov), Texas Oncology - Northeast Texas (ClinicalTrials.gov) and DCOL Center for Clinical Research (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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