Overview

Mission Statement

Our mission is to become the industry leader of independent clinical research sites by:

1. Performing at the highest levels of integrity and competence as judged by our subjects and sponsors;
2. Investing in the development and maintenance of competencies and productivity of all members of our company team;
3. Following good clinical practices in all instances; and
4. Offering quality studies to diverse subject populations.

We conduct phases 2, 3 and 4 clinical trials involving vaccines, pharmaceuticals and device testing.

Research Experience

Diagnostics Research Group was founded in 2000, and since then we have completed more than 350 clinical trials. Dr. Charles P. Andrews, our Director of Clinical Research, and Dr. John R. Holcomb are Certified Principal Investigators (CPI).

Our facility has been involved in research for 20 years, and our physicians have been involved in clinical research for 39 years.

We have participated in trials for the following pharmaceutical companies:

We have participated in trials for the following CRO:

Our research site specializes in clinical trials for the following indications:

Facility DEscription

Diagnostics Research Group is conveniently located in the Texas Neurosciences Institute in the South Texas Medical Center. Our onsite capabilities include:

Investigator Experience

Charles P. Andrews, MD, CPI
Medical Director and Principal Investigator

A graduate of the University of Texas at Austin, Dr. Andrews attended Southwestern Medical School in Dallas and completed his training in pulmonary medicine at the University of Texas Health Science Center in San Antonio. Prior to entering private practice in 1982, he taught at University Hospital and Audie Murphy VA Hospital in San Antonio. He is a reviewer for two pulmonary journals and has been the author of many scientific articles and chapters. He is a member of the Drug Information Association, the Association of Clinical Research Professionals, the American Academy of Allergy, Asthma and Immunology, the American College of Allergy, Asthma and Immunology, the American Thoracic Society and the American Academy of Pharmaceutical Physicians. Dr. Andrews is a Certified Principal Investigator (CPI).

Investigator for studies of the following indications:

Sub-investigator for studies of the following indications:

• Alzheimer's Disease
• Chronic Cough
• Constipation
• Inhaled Insulin
• Insomnia
• Parkinson’s Disease
• Pulmonary Arterial Hypertension

John R. Holcomb, MD, CPI

Principal Investigator

A graduate of Texas A&M University, Dr. Holcomb attended Southwestern Medical School in Dallas. He completed his pulmonary training at the University of Texas Health Science Center in San Antonio. He was an attending physician at Brooke Army Medical Center. He and Dr. Andrews opened practice together in 1982. He is a member of the Association of Clinical Research Professionals and the American College of Chest Physicians. He is a Certified Principal Investigator.

Board certifications in internal medicine, pulmonary medicine and critical care medicine.

Investigator for studies of the following indications:

• Antibiotic/Pneumonia
• Bronchoscopy in Chronic Bronchitis
• COPD
• Chronic Cough
• Chronic Constipation
• Hypertension
• Irritable Bowel Syndrome

Sub-investigator for studies of the following indications:

Staff Expertise

The Diagnostics Research Group staff includes experienced registered nurses, CCRCs, recruitment specialists and a regulatory specialist. Our clinical research team is trained to conduct trials within the good clinical practice guidelines. We have extensive experience in unblinded dosing, pulmonary function testing, allergy skin-testing, ECGs, fibroscans, IV infusions, venipuncture and cardiac life support.

Brita Andrews, RN, MSN, CCRC
Chief Executive Officer

Lisa Lopez, RN, CCRC
Manager of Clinical Operations
Clinical Research Coordinator

Priscilla Thomas, RN, BSN, CCRC
Manager of Clinical Operations
Clinical Research Coordinator

Cheryl Downey, RN, BSN
Manager of Participant Recruitment

Kathleen Smith, LVN, CCRC
Director of Quality Assurance

Cheryl Sheets, RN, BSN, CCRC
Clinical Research Coordinator

Tawny Brownlow, RN
Clinical Research Coordinator

Keila Malone, CCRC
Clinical Research Coordinator

Ofelia Rodriguez, CMA
Clinical Research Coordinator

Esther Luis
Regulatory Specialist

Tiffany Mapalo, CMA
Patient Recruiter

Kelley Hablitz
Patient Recruiter

Kimberly Riddle 
Receptionist & Research Assistant

Melody Martinez 
Research Assistant

Isidra Flores 
Research Assistant

Claire Clark 
Research Assistant

Patient Demographics

The San Antonio metropolitan area has a population of 1.5 million and a referral area of 3.5 million. Fifty percent of the population is Hispanic. A significant proportion of our participants are adult seniors due to the city’s retired military population. San Antonio is conducive to balanced research because of the large and diverse population.

Other Information

• Large vaccine trials
• Rapid study start-up
• High enrolling studies
• Dedicated recruitment specialists
• Dedicated regulatory specialist
• Highly diverse participant database and community
• Commitment to completing studies in a timely and cost-effective manner
• Assurance of safety and adherence to regulatory guidelines