#121st Century Oncology
Based in Winchester, NV
Clinical Research Sites in Clark County, NV
The top-ranked clinical research sites serving Clark County, NV are 21st Century Oncology, 21st Century Oncology-Fort Apache and 21st Century Oncology-Henderson. We list 149 clinical research sites serving Clark County, NV. 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 Clark County, NV. 149 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 Clark County
#221st Century Oncology-Fort Apache
Based in Spring Valley, NV#321st Century Oncology-Henderson
Based in Henderson, NV#421st Century Oncology-Vegas Tenaya
Based in Las Vegas, NV#5AB Clinical Trials
Based in Paradise, NV#6Alliance Clinical - Las Vegas
Based in Las Vegas, NV#7Alliance Clinical Las Vegas (Excel Clinical Research)
Based in Winchester, NV#8Alliance Clinical Research Las Vegas (Excel Clinical Research)
Based in Winchester, NV#9Alliance for Childhood Diseases/Cure 4 the Kids Foundation
Based in NV#10Alliance for Multispecialty Research, LLC
Based in Paradise, NV
20 more providers serving this area
- AMR Clinical, Paradise, NV
- AMR Clinical - Las Vegas, Paradise, NV
- AMR Las Vegas, Paradise, NV
- Ann M Wierman MD LTD, Las Vegas, NV
- Cancer and Blood Specialists-Henderson, Henderson, NV
- Cancer and Blood Specialists-Shadow, Las Vegas, NV
- Cancer and Blood Specialists-Tenaya, Las Vegas, NV
- Cancer Therapy and Integrative Medicine, Paradise, NV
- Care Access Las Vegas, Spring Valley, NV
- CCOP - Nevada Cancer Research Foundation, Las Vegas, NV
- Center for Sight, Las Vegas, NV
- Children's Specialty Center - Las Vegas- Site Number : 840008, Winchester, NV
- Children's Specialty Center of Nevada II, Winchester, NV
- Citruslabs, Spring Valley, NV
- Citruslabs (Virtual Site), Spring Valley, NV
- Cleveland Clinic, Las Vegas, NV
- Cleveland Clinic Foundation, Las Vegas, NV
- Cleveland Clinic Lou Ruvo, Las Vegas, NV
- Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas, NV
- Cleveland Clinic, Lou Ruvo Center for Brain Health, Las Vegas, Las Vegas, NV
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Frequently asked questions
How many clinical research sites serve Clark County?
We list 149 clinical research sites serving Clark County, NV: 149 based there and 0 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 Clark County?
The top-ranked clinical research sites serving Clark County, NV are 21st Century Oncology, 21st Century Oncology-Fort Apache, 21st Century Oncology-Henderson, 21st Century Oncology-Vegas Tenaya and AB Clinical Trials. The full ranked list, with the official records each provider matched, is on this page.
Which clinical research sites serving Clark County are verified against official records?
10 of the top 10 match an active official record: 21st Century Oncology (ClinicalTrials.gov), 21st Century Oncology-Fort Apache (ClinicalTrials.gov), 21st Century Oncology-Henderson (ClinicalTrials.gov), 21st Century Oncology-Vegas Tenaya (ClinicalTrials.gov) and AB Clinical Trials (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 .
Cities in Clark County
Communities served
Whitney, Winchester, Summerlin South, Mesquite, Boulder City, Laughlin, Moapa Valley, Sandy Valley, Bunkerville, Moapa Town, Indian Springs, Searchlight, Mount Charleston, Blue Diamond, Goodsprings, Cal-Nev-Ari, Nelson