About Us

Compassionate care. 

Trusted research. Stronger futures.

At Texas Gulf Clinical Research (TXGCR), we are committed to advancing medical research while putting people first.

Our mission is to improve health outcomes for the Coastal Bend and beyond through quality clinical research and genuine care.

MEET OUR PRINCIPAL INVESTIGATOR

Brandi Addison, DO

Board-Certified Endocrinologist. 

15+ Years of Experience.

Dr. Addison is a dedicated physician, researcher, and educator with a passion for improving the health of our community.

EDUCATION

Doctor of Osteopathic Medicine (DO)

School of Osteopathic Medicine in Arizona


Internal Medicine Residency

Corpus Christi Medical Center


Endocrinology Fellowship

University of Texas Medical Branch in Galveston

CREDENTIALS & EXPERIENCE

Board Certified in diabetes, metabolism & endocrinology

15+ years of clinical experience

Specializes in endocrine disorders, diabetes, and metabolic disease

Experienced Principal Investigator in Phase 

II-IV clinical trials

Active member of national endocrinology societies

Years of Experience

Collectively over 50 years

Our Dedicated Staff

Our team is the heart of TXGCR. We bring together years of experience, a commitment to excellence, and a shared passion for helping our community.

Quality Care

High standards, personalized attention

Bilingual Team

Fluent in English and Spanish

Community Involvement

Proud partners in Coastal Bend initiatives 

You Come First

PARTICIPANT-CENTERED ALWAYS.

We believe every person deserves to be treated with respect, kindness, and dignity. Our patient-first approach means:

Personalized Care

We listen, we respect, and we tailor our care to you.

Your Safety Matters

Your health and well-being are our top priority.

Clear Communication

We explain everything and answer your questions.

Support Every Step

We’re with you from start to finish.

Our Facility & Capabilities

ADVANCED TECHNOLOGY. EXPERT CARE.

Our state-of-the-art facility is designed for your comfort and safety. We have tools, technology, and expertise to deliver high-quality research and exceptional care.

On-Site Diagnostics

ECGs, point-of-care labs, and more

Registered Dietitians

On-staff nutrition experts for personalized guidance

Imaging Services

MRI scans, DXA scans, and advanced imaging

Comfortable Spaces

Modern, private, and patient-friendly

Liver Assessment

FibroScan for non-invasive liver evaluations

Experienced Team

Highly trained professionals dedicated to you

Eye Health Imaging

Fundus photography for retinal assessments

Convenient Location

Easily accessible in the heart of Corpus Christi

Quote Right

TXGCR in Corpus made every test and step of my Graves’ disease study easy to understand. Knowing my participation is helping develop new lab tests that can lead to faster diagnoses for others makes it very meaningful to me. I’m proud to contribute to research that could help people in the future.


Marie R

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TEXAS GULF

CLINICAL RESEARCH, LLC

Better Treatments. A Healthier Tomorrow.”

Monday - Friday

9:00 AM - 5:00 PM


Contact Us

6110 Parkway Drive, 

Corpus Christi, TX  78414

Tel: 361.995.5195

Email: info@txgcr.com

Hours

By Appointment

Our Mission

To advance health and hope through clinical research with compassion, integrity, and a commitment to the Coastal Bend.

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