Denver, Colorado

Velocity Clinical Research, Denver

Velocity's Denver research site was founded in 1988 as Downtown Women’s Health Care and was acquired by Velocity in 2021. The site has a long history in women’s health research in addition to vaccines and Internal Medicine. Velocity Denver services the Denver-Aurora-Lakewood service area with a population of 2.9 million and rapidly growing. Denver’s experienced staff maintains high quality standards and enrollment on all their trials.

Located along a major roadway, the Denver site is in a high traffic shopping center. With access to a large population, the Denver team excels at meeting enrollment goals on all their studies. Ample parking is available for patients. The site is also located 2 miles from a local hospital.

All trials conducted at the site are performed in accordance with ICH and FDA guidelines, and in compliance with GCP. The Denver team is committed to being a resource for study participants, to providing the highest quality of patient care with compassion and kindness, and to advancing medicine through research.

Velocity Clinical Research, Denver
3773 Cherry Creek North Drive, Suite 685, Denver, CO 80209

Phone: (303) 293-3733


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Our Mission

Generate high-quality clinical trial data from as many patients as possible, as quickly as possible, while providing exceptional care at every step. In doing so, we help our partners bring innovative treatments to patients faster.

Our experienced research team in Denver

The Velocity Denver team of physician investigators and clinical research professionals are experienced clinical researchers. All physicians are board certified in their specialty area(s) and all research staff is trained in clinical research regulations, including GCP and HIPAA. Training records and certifications are maintained. Our clinical team is dedicated to conducting quality research in a professional and caring environment and strives on collecting quality data.

  • Theresa O’Lonergan, PhD, MA

    Site Director
    Theresa O’Lonergan, PhD, MA has been in clinical research and research administration for 25 years. Dr. O’Lonergan earned her PhD in clinical investigations from the University of Colorado. After retiring from the CU School of Medicine, she held Research Integrity Officer positions in several large health systems and joined Velocity in 2021.

  • Kevin O’Brien, MD

    Principal Investigator
    Kevin O’Brien, MD is the Medical Director for our Velocity Denver site. He was trained in Pediatrics at The University of Texas Medical School at Houston and is board certified in the subspecialty of Allergy, Asthma and Immunology, with training at the University of Cincinnati. Dr. O’Brien also holds a Master’s degree in Nutrition. He works with both children and adults and has both clinical and research experience primarily in the areas of asthma, allergies (environmental and food allergies), immunology, vaccines, dermatology, gastroenterology, and pharmacogenomics.

Denver facility features

The Velocity Clinical Research, Denver facility is designed for the ease and comfort of study participants and to allow optimal efficiencies in performing clinical trials. Features at this site include:

  • Private examination/consultation rooms
  • Comfortable patient reception areas
  • Parking
  • Secure monitoring rooms or workstations with phone & high-speed internet access
  • Multiple individual & secure workstations for research staff
  • Electronic data capture (EDC) capabilities
  • Secure record storage
  • CLIA certified research laboratory
  • Ambient and refrigerated centrifuge
  • Secured & temperature controlled investigational product storage with pharmaceutical refrigerator & freezer
  • Freezers equipped for laboratory specimens at -20 & -70 degrees Celsius
  • Backup generator/power source in the event of site power loss
  • Standard medical equipment, including ECG, digital and analog scales
clinical research site team
Portrait Of Smiling Female Doctor Wearing White Coat With Stethoscope Sitting Behind Desk In Office

Quality. Continuity. Velocity.