#1Houston Research Institute - Pasadena
Serves this area from Pasadena, TX (1 mi)
Clinical Research Sites in Pasadena, TX
The top-ranked clinical research sites serving Pasadena, TX are Houston Research Institute - Pasadena, HRI - Pasadena, LLC and Renal Specialists of Houston, PA. We list 528 clinical research sites serving Pasadena, 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 Pasadena, TX (Harris County). 528 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
#2HRI - Pasadena, LLC
Serves this area from Pasadena, TX (1 mi)#3Renal Specialists of Houston, PA
Serves this area from Pasadena, TX (2 mi)#4Accurate Clinical Research
Serves this area from Houston, TX (4 mi)#5Orion Medical
Serves this area from Houston, TX (4 mi)#6Accurate Clinical Management LLC
Serves this area from Houston, TX (7 mi)#7Accurate Clinical Research
Serves this area from Houston, TX (7 mi)#8Accurate Clinical Research - Houston
Serves this area from Houston, TX (7 mi)#9Amir Ali Hassan, MD, PA
Serves this area from Houston, TX (7 mi)#10Houston Pulm Med Res Network
Serves this area from Houston, TX (7 mi)
20 more providers serving this area
- Kaleidoscope Clinical Research, Houston, TX (7 mi)
- Research Physicians Network, LLC, Houston, TX (7 mi)
- Vilo Research Group, Houston, TX (7 mi)
- aQua Research Institute, LLC, Houston, TX (7 mi)
- Elevate Clinical Research, Houston, TX (7 mi)
- Houston Methodist Saint John Hospital, Houston, TX (7 mi)
- MD Anderson League City, Houston, TX (7 mi)
- MD Anderson Regional Care Center-Bay Area, Houston, TX (7 mi)
- NextStage Clinical Research, All American Orthopedics and Sports Medicine, Houston, TX (7 mi)
- Synergy Group Medical LLC, Houston, TX (8 mi)
- Synergy Groups Medical, Houston, TX (8 mi)
- Center for Clinical Studies-Lee, Webster, TX (8 mi)
- Center for Clinical Studies, LTD. LLP, Webster, TX (8 mi)
- Clear Lake Specialties, Webster, TX (8 mi)
- Deke Slayton Cancer Center, Webster, TX (8 mi)
- GI Alliance-Webster, Webster, TX (8 mi)
- GIA Webster, Webster, TX (8 mi)
- Shady Grove Houston, Webster, TX (8 mi)
- TDDC GI Alliance research Webster, Webster, TX (8 mi)
- Texas Oncology-Deke Slayton Cancer Center, Webster, TX (8 mi)
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Frequently asked questions
How many clinical research sites serve Pasadena?
We list 528 clinical research sites serving Pasadena, TX: 0 based there and 528 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, TX are Houston Research Institute - Pasadena, HRI - Pasadena, LLC, Renal Specialists of Houston, PA, Accurate Clinical Research and Orion Medical. 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: Houston Research Institute - Pasadena (ClinicalTrials.gov), HRI - Pasadena, LLC (ClinicalTrials.gov), Renal Specialists of Houston, PA (ClinicalTrials.gov), Accurate Clinical Research (ClinicalTrials.gov) and Orion Medical (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 .