• Thanks for the important work you are doing. 

    ALL of you are great.

    -Jolene, Study Participant
  • It is a pleasure working with such a dedicated research team 

    and I would definitely like to collaborate with your site on future trials. I sincerely appreciate all of the efforts made to date on our studies!

    -GSK Monitor
  • Very pleasant and friendly staff.

    They are very considerate to make every effort to make me comfortable.

    -Ralph, Study Participant
  • I am never anxious on visits; 

    very helpful staff.

    -Donald, Study Participant
  • The staff is extremely welcoming and supportive

    Everyone is aware of their responsibilities, knowledgeable of research and very cooperative. The entire organization is well run from the top down. This is my favorite site to work with!

    -Novum Monitor
  • Everyone is friendly and very informative.

    They explain all procedures and why. The staff is courteous and friendly and they listen. They ask often if you need anything, are friendly and smiling. A smile always goes a long way, even when you don’t feel like smiling.

    -Diane, Study Participant
  • Awesome!

    -GSK Monitor
  • Well executed, punctual. 

    Good job, keep up the good work.

    -Joel, Study Participant
  • Laura R, Dr. Holcomb and the rest of the staff are super professionals! 

    Happy to be part of this study; will recommend this clinic to others!

    -Lou, Study Participant
  • Study Coordinators were very responsive to my emails 

    and requests for study questions. Staff at the site is very friendly and accommodating. Patients' charts are very well organized and complete

    -Quintiles Monitor
  • Wonderful!

    Everyone is so friendly each time I have an appointment.

    -Gloria, Study Participant
  • Lisa Lopez and the entire staff are extremely professional, courteous, welcoming, etc. 

    I never felt I was in a doctor’s office; it felt like being at home.

    -Sara, Study Participant
  • The staff was friendly and knowledgeable. 

    Principal Investigator was available to meet and showed oversight in source. Data and regulatory binders were clean and well maintained.

    -Wyeth Monitor
  • The staff is upbeat, friendly and positive. 

    Very willing to make the testing sessions as comfortable as if one is at home. The staff treats me with care, compassion and understanding.

    -Mary Ann, Study Participant
  • This site does quality work 

    and pays attention to detail. Data corrections are usually handled quickly. All staff seem organized and are conscientious about their work.

    -Sanofi Monitor
  • Educational, pleasant, concerned with my health, 

    as well as the study performance. A combination of professional and a concerned family.

    -Michael, Study Participant

Business Partners

Thank you for your interest in Diagnostics Research Group. We are an independent integrated group of clinical research professionals based in the South Texas Medical Center in San Antonio, Texas.

Our clinical research and therapeutic expertise includes, but is not limited, to the following areas:

  • Allergic Disorders
  • Respiratory Disorders
  • Internal Medicine
  • Vaccines
  • Women's Studies

Director of Clinical Research

Charles P. Andrews, MD, CPI is our Director of Clinical Research

Expertise

We have experience and expertise with the following therapeutic areas: Allergic Disorders, Respiratory Disorders, Internal Medicine and Vaccines.

Research Capabilities

Our experience and expertise in different equipment and systems makes our site more versatile to meet the needs of many pharmaceutical trials.

Delivering Results

Diagnostics Research Group has been a leader in the field of clinical research in San Antonio, Texas for the past 14 years. Experience is an earned asset in the Clinical Research Study industry. Our investigators are experienced. Our staff is experienced. Our track record and professional affiliations reflect this experience. All of these elements lead to our success.

Participant Recruitment

Our Participant Recruitment Department utilizes full-time recruiters.

Biogenics Research Chamber

Biogenics Research Chamber can conduct Phase I-IV studies and has the experience and expertise needed to achieve the objectives for each study.

Staff & Certifications

Diagnostics Research Group's research staff consists of a cross section of highly skilled health care professionals.

Pulmonary Dynamics

A pulmonary function testing laboratory located at Diagnostics Research Group. 

Our center specializes in clinical trials for:
  • Abdominal Pain
  • Allergy Medications
  • Allergic Rhinitis
  • Antibiotics
  • Antihistamines
  • Antihypertensives
  • Asthma
  • BCP’s
  • Bronchitis
  • Bronchodilators
  • Constipation
  • COPD
  • Diabetes
  • Diagnosis of Carcinoma
  • Dyslipidemia
  • Dyspepsia
  • HRT
  • Hypercholesterolemia
  • Hyperlipidemia
  • Hypertension
  • Inhaled and Nasal Corticosteroids
  • Insomnia
  • Intravenous sedation
  • Irritable bowel syndrome
  • Metabolic Syndrome
  • Obesity
  • Osteoarthritis
  • Osteoporosis
  • Pollen chamber experience
  • Pulmonary Fibrosis
  • Respiratory Medications
  • Sleep Medications
  • Smoking Cessation
  • Sputum/Cytology
  • Stress Urinary Incontinence Medications
  • Vaccines