Diverse Population Access
Strong access to Hispanic and underserved communities (70%+ Hispanic participant base).
For Sponsors & CROs
Houston Clinical Research Site Built for Sponsors
VRG combines 7 board-certified investigators, bilingual community access, BSL-2 infrastructure, and operationally disciplined workflows to support Phase I–IV pharma trials, biospecimen programs, and diagnostic studies.
7
Principal Investigators
~325
Monthly Visits
~10,000
Study Database
EN/ES
Languages
5
Locations
I–IV
Phase Support
Capabilities
Clinical Research Capabilities
VRG supports a broad range of sponsor-led clinical development programs with operational discipline and community reach.
Phase I–IV Clinical Trials
Support for interventional and observational studies across multiple therapeutic areas.
Biospecimen Collection Programs
High-volume collection with compliant chain-of-custody and processing workflows.
IVD and Diagnostic Validation
Clinical specimen acquisition and validation support for diagnostic assays.
Medical Devices
Clinical site support for device studies and technology validation programs.
Bilingual Participant Recruitment
Physician referrals, community outreach, digital and database recontact.
Feasibility Response within 48 Hours
Structured protocol review for sponsors and CROs within 48 hours.
Investigator Network
Principal Investigator Network
Board-certified investigators across multiple therapeutic areas supporting clinical trial execution, biospecimen programs, and diagnostic research.
Jorge Mendez, FMG, RN
Clinical Research
Founder & CEO — Clinical Research Investigator
58+ studies
Dr. Luis Zepeda
Family Medicine
Board-Certified Family Medicine
42+ studies
Dr. Nelson Uzquiano
Obstetrics & Gynecology
Board-Certified OB-GYN
21+ studies
Dr. Harry Ojeas
Gastroenterology
Board-Certified Gastroenterology
12+ studies
Dr. Elvis Massip
Family Medicine
Board-Certified Family Medicine
6+ studies
Dr. Andres Vasquez
Cardiology
Board-Certified Cardiology
5+ studies
Dr. Wigberto Soto
Obstetrics & Gynecology
Board-Certified OB-GYN
5+ studies
Sponsors, CROs, & IVD Companies
Evaluate VRG for Your Next Study
Submit your protocol or study concept. Our team will assess feasibility, population fit, and operational readiness within 48 hours.