Washington, District of Columbia
Velocity Clinical Research, Washington DC
Velocity's research site in Washington, DC partners with Spring Valley Pediatrics to conduct clinical trials related to conditions that affect children and adolescents under the age of 21, including vaccines. Spring Valley Pediatrics provides personalized care for infants, children, adolescent children, and young adults. Founded in 1930, the practice was one of the first medical offices focused on the care of infants and children in the Washington area. Spring Valley Pediatrics began conducting clinical trials with Meridian Clinical Research in 2021 before being acquired by Velocity in 2022.
Located in a populated area near American University and a local hospital, the site is easily accessible to thousands of patients, including a large group of diverse populations. All trials conducted at the site are performed in accordance with ICH and FDA guidelines, and in compliance with GCP. The DC 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, Washington DC
4910 Massachusetts Ave NW, Ste 315, Washington, DC 20016
Phone: (202) 998-3833
Email: info@velocityclinical.com
Find a Clinical Trial in Washington
Sign up below to speak with an enrollment specialist about available research studies in Washington.
Follow Velocity on Facebook for company updates and more.

Our experienced research team in Washington
Every clinical trial is overseen by a Principal Investigator – a physician who is responsible for the rights, safety and welfare of the study participants. All physicians at Velocity are board certified in their specialty area(s) and all research staff is trained in clinical research regulations, including GCP and HIPAA. Our clinical research team in Washington is dedicated to conducting quality research in a professional and caring environment.
-
Principal Investigator
Joanna Sexter, MD, FAAP, is a board certified pediatrician who has been in private practice in Washington, DC since 2000. Dr. Sexter completed her undergraduate studies at Tufts University where she earned a BA in Child Study. She earned her medical degree from the George Washington University School of Medicine and completed a pediatric residency at Georgetown University Hospital where she was recognized as Resident of the Year. Dr. Sexter is a fellow of the American Academy of Pediatrics, member of the DC Osler Medical Society and Foxhall Women Physicians Association. She was recognized as one of Washingtonian magazine’s Top Doctors in Pediatrics. Dr. Sexter is also a clinical Instructor on staff at Georgetown University Hospital, an Assistant Clinical Professor of Pediatrics at the George Washington University Hospital, and a medical staff member at Sibley Memorial Hospital. -
Principal Investigator
Peter Warfield, MD, MPH, FAAP, cares for children of all ages with an emphasis on childhood development as well as sports medicine and adolescent medicine. Dr. Warfield completed his undergraduate studies at the University of Richmond and earned a Masters of Public Health degree at the George Washington University. He earned his medical degree from University of Rochester School of Medicine and Dentistry in Rochester, NY and completed a pediatric residency at The Golisano Children’s Hospital at University of Rochester’s Strong Memorial Hospital. Dr. Warfield is a fellow of the American Academy of Pediatrics and a member of the Washington, D.C. Osler Medical Society. He is recognized as one of Washingtonian magazine’s Top Doctors and serves as the Consulting Pediatrician for several schools in the Washington area. -
Principal Investigator
Complete the form to start your clinical trial journey in Washington
Beyond helping advance medicine, you may also:
- Get care from a local doctor at no cost
- Learn about new medicines in development
- Receive study-related medical exams at no cost
- Get paid for participating (amounts differ for each study)
After you submit your info, a Velocity staff member will review your info. They will contact you to talk about the study, or others that may be right for you.
Health insurance is generally not needed to join a clinical trial.
Remember, there is never an obligation to join — we're here to help you make the best decision.
Submit your info
Sponsors and CROs
From the leading pharma companies, to the most pioneering biotech startups, Velocity supports those who are exploring new frontiers in human health. Whether you’re ready to conduct a single-site study or a complex, high-volume clinical trial, trust Velocity.
