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Home » Directories » Research Center Profiles » Diagnostics Research Group

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Diagnostics Research Group

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Profile

Contact Information

Contact: Brita Andrews, RN MSN, CCRC
Phone: 210-692-7157
Fax: 210-692-1999
Email: Click here to see email.
Website: http://www.dxrg.com

Center Information

Brita Andrews, RN MSN, CCRC
Chief Executive Officer
Diagnostics Research Group
4410 Medical Dr., Ste. 360
San Antonio, TX 78229
210.692.7157
bandrews@dxrg.com
www.dxrg.com

Currently Enrolling Trials

    Show More

    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:

    • Abbott
    • Actelion
    • Adams
    • Afferent
    • AGI
    • Allergy Therapeutics
    • Alcon
    • Alkermes
    • Almirall
    • Altana
    • Amgen
    • Amneal
    • Amphastar
    • Anchen
    • Apotex
    • AstraZeneca
    • Atenua
    • Aventis
    • Bayer
    • BioMarck
    • Boehringer Ingelheim
    • Bristol Meyers Squibb
    • Centocor
    • Cerecor
    • CoTherix
    • CombinatoRx
    • Daiichi
    • Dey
    • Eisai
    • Eli Lilly
    • Encysive
    • Epix
    • Evolutec
    • FAES Pharma
    • Ferrer
    • Forest
    • Furiex
    • Galapagos
    • Galecto Biotech
    • Gemphire
    • GlaxoSmithKline
    • Glenmark
    • Guilford
    • Inspire
    • ITGI
    • Intermune
    • Iroko
    • Ironwood
    • Ista
    • Johnson & Johnson
    • Lek Pharmaceuticals
    • Kalypsys
    • KCI
    • Meda
    • Menlo Therapeutics
    • Medicinova
    • Merck
    • Moderna
    • Morton Grove
    • Mylan
    • NeRRe
    • Novartis
    • Noven
    • OrthoMcNeil
    • Otsuka
    • Pearl
    • Peninsula
    • Perrigo
    • Pharmacia
    • Pozen
    • Pfizer
    • Purdue
    • Regeneron
    • Roche
    • Samumed
    • Sanofi Aventis
    • Sanofi Pasteur
    • Schering-Plough
    • Sepracor
    • Shionogi
    • Skye Pharmaceuticals
    • Stallergenes
    • Sunovion
    • Synergy
    • Takeda
    • Teva
    • Verona
    • Watson
    • West Pharmaceuticals
    • Westward
    • Wyeth

    We have participated in trials for the following CRO:

    • AAI
    • Advanced Biologics
    • Allied Research
    • Cato
    • Chiltern
    • CTMS
    • Concentrics
    • Covance
    • Criterium
    • Duke Clinical Research Institute
    • Evidera
    • I3 Research
    • ICON
    • IHC Research
    • INC Research
    • Ingenix
    • Integrium
    • InventivHealth
    • IQVIA
    • Kendle
    • MDS
    • Medex
    • Medpace
    • Novum
    • Omnicare
    • PPD
    • PRA
    • Paragon Biomedical
    • Parexel
    • PharmaNet
    • PharmaSeek
    • Pharm-Olam
    • Premier
    • ProMedica
    • ProSciento
    • Quintiles
    • Research Point
    • Synteract, Inc.
    • Theorem Clinical Research
    • TKL Research
    • UBC

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

    • Abdominal Pain
    • Allergy Chamber
    • Allergy Medications
    • Allergic Rhinitis
    • Antibiotics
    • Antihistamines
    • Antihypertensives
    • Asthma
    • BCP’s
    • Bronchodilators
    • Bronchoscopy
    • Cedar Allergy
    • Cholesterol Studies
    • Chronic Cough
    • Constipation
    • COPD
    • Complicated Hypertension
    • Device Studies
    • Diabetes
    • Diagnosis of Carcinoma
    • Dyslipidemia
    • Dyspepsia
    • Fibromyalgia
    • HRT
    • Hypercholesterolemia
    • Hyperlipidemia
    • Hypertriglyceridemia
    • Hypertension
    • Inhaled and Nasal Corticosteroids
    • Insomnia
    • Interstitial Lung Disease
    • Intravenous sedation
    • Irritable Bowel Syndrome
    • Metabolic Syndrome
    • Oak Allergy
    • Obesity
    • Osteoarthritis
    • Osteoporosis
    • Perennial Allergy
    • Pulmonary Arterial Hypertension
    • Pulmonary Fibrosis
    • Ragweed Allergy
    • Respiratory Medications
    • Skin Infections
    • Sleep Medications
    • Smoking Cessation
    • Sputum/Cytology
    • Vaccines
      • Pneumonia
      • Shingles
      • Ebola
      • Dengue Fever
      • Influenza
      • C-Difficile
      • Respiratory syncytial virus (RSV)
      • Cytomegalovirus (CMV)
      • COVID-19

    Facility DEscription

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

    • Allergy skin-testing
    • Biological Safety Cabinet
    • Laboratory for specimen collection, processing, and send-out
    • -20° IP Freezer
    • -80° IP Freezer
    • -20° Specimen Freezer
    • -80° Specimen Freezer
    • Two pharmaceutical refrigerators, hospital grade
    • Five exam rooms for complete physical examination
    • Complete pulmonary function laboratory including:
      • spirometry
      • lung volumes
      • slow vital capacity
      • plethysmography
      • inspiratory and expiratory pressures
      • diffusion
    • EKG machines
    • Holter & ABP Monitoring
    • Chest X-Ray equipment/interpretation
    • Cholestech
    • Cough Monitoring
    • High speed internet access
    • Electronic data capture (EDC)
    • Electronic diaries
    • Electronic peak flow meters
    • Secure, climate-controlled medication storage room
    • Comfortable rooms for participants
    • Dedicated rooms for monitors
    • Nasal allergen challenge
    • Nasal lavage
    • Nasal mucosa sampling
    • Remote monitoring
    • Rhinoscanning
    • Bronchoalveolar lavage
    • Methacholine challenge
    • IV drug infusion
    • Access to CT, DEXA Scans, and Ultrasound within building
    • Six-minute walk tests
    • Colonoscopy, bronchoscopy, and endoscopy
    • Access to Ophthalmology exams

    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:

    • Acute Exacerbation of Chronic Bronchitis
    • Allergen Challenge Chamber
    • Allergic Rhinitis
    • Allergy/Asthma
    • Antibiotic Treatment of Community-Acquired Pneumonia
    • Asthma
    • Asthma with Methacholine Challenge
    • Asthma/COPD
    • Device Investigation
    • Comparative Antibiotic Treatment of Acute Exacerbation of Chronic Bronchitis
    • Complicated Hypertension
    • Complicated Urinary Tract Infection
    • COPD
    • Diagnosis of Lung Carcinoma
    • Diabetes
    • Dyslipidemia
    • Dyspepsia
    • Emphysema
    • Interstitial Lung Disease
    • Hypercholesterolemia
    • Hyperlipidemia
    • Hypertension
    • Intravenous Sedation
    • Irritable Bowel Syndrome
    • Mountain Cedar Allergic Rhinitis
    • NASH
    • Oak Allergy
    • Osteoarthritis
    • Osteoporosis
    • Perennial Allergic Rhinitis
    • Pulmonary Fibrosis
    • Ragweed Seasonal Allergic Rhinitis
    • Seasonal Allergic Rhinitis
    • Severe Sepsis
    • Spring Allergic Rhinitis
    • Stress Urinary Incontinence Study
    • Vaccines

    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:

    • Acute Exacerbation of Chronic Bronchitis
    • Allergy/Asthma
    • Alzheimer's Disease
    • Antibiotic Treatment of Community-Acquired Pneumonia
    • Phase IIa Asthma
    • Dengue Vaccine,
    • Complicated Hypertension
    • Complicated Urinary Tract Infection
    • Diabetes
    • Dyspepsia
    • Ebola Vaccine
    • Hypercholesterolemia
    • Irritable Bowel Syndrome
    • NASH
    • Osteoarthritis
    • Osteoporosis
    • Parkinson’s Disease
    • Pneumonia/Flu Vaccine
    • Pulmonary Arterial Hypertension
    • Pulmonary Fibrosis
    • Seasonal Allergic Rhinitis
    • Shingles Vaccine
    • Stress Urinary Incontinence

    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

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