#1Premier Pulmonary Critical Care and Sleep Medicine
Serves this area from TX
Clinical Research Sites in Marshall County, OK
The top-ranked clinical research sites serving Marshall County, OK are Premier Pulmonary Critical Care and Sleep Medicine, Soma Clinical Trials and Texama Medical Center. We list 14 clinical research sites serving Marshall County, OK. 14 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 Marshall County, OK. 14 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 Marshall County
#2Soma Clinical Trials
Serves this area from TX#3Texama Medical Center
Serves this area from TX#4Texas Oncology - Denison
Serves this area from TX#5Texas Oncology - Denison
Serves this area from TX#6Texas Oncology - Denison Cancer Center
Serves this area from TX#7Texas Oncology - Northeast Texas
Serves this area from TX#8Mercy Clinic Oncology and Hematology-Ardmore
Serves this area from OK#9Neurology Care
Serves this area from OK#10Medrasa Clinical Research
Serves this area from Sherman, TX (26 mi)
4 more providers serving this area
- Sherman Clinical Research, Sherman, TX (26 mi)
- Texas Institute for Neurological Disorders - Sherman, Sherman, TX (26 mi)
- Texas Institute for Neurological Disorders - Sherman- Site Number : 8400018, Sherman, TX (26 mi)
- Texas Cancer Center-Sherman, TX
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Frequently asked questions
How many clinical research sites serve Marshall County?
We list 14 clinical research sites serving Marshall County, OK: 0 based there and 14 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 Marshall County?
The top-ranked clinical research sites serving Marshall County, OK are Premier Pulmonary Critical Care and Sleep Medicine, Soma Clinical Trials, Texama Medical Center, Texas Oncology - Denison and Texas Oncology - Denison. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Marshall County are verified against official records?
10 of the top 10 match an active official record: Premier Pulmonary Critical Care and Sleep Medicine (ClinicalTrials.gov), Soma Clinical Trials (ClinicalTrials.gov), Texama Medical Center (ClinicalTrials.gov), Texas Oncology - Denison (ClinicalTrials.gov) and Texas Oncology - Denison (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 .
Communities served
Madill, Kingston, Oakland, Cumberland, Lebanon, Little City, McBride, New Woodville