Clinical Research and Medical Information
We have a dedicated research suite. Our research staff consists of full time study coordinators and a full time regulatory affairs specialist. Our physicians are active in national and state affairs and hold leadership positions in the American College of Gastroenterology, American Society of Gastrointestinal Endoscopy and the American Gastroenterology Association and serve on the faculty of Eastern Virginia Medical School located in Norfolk, Virginia.
Our practice has a national reputation as being one of the prominent private practices involved in academic and research pursuits.
The physicians of Digestive and Liver Disease Specialists draw referrals from the Hampton Roads area. Our referral area includes Norfolk, Virginia Beach, Chesapeake, Portsmouth, Suffolk, Hampton, and Newport News. Patients are also referred to our site from North Carolina, West Virginia, the Eastern Shore of Virginia, Delaware, and Maryland.
The Tidewater area, which includes Norfolk, Portsmouth, Suffolk, Chesapeake, and Virginia Beach, encompasses a population base of over two million people, 10 hospitals, and a nationally renowned academic center at the Eastern Virginia Medical School/Eastern Virginia Graduate School of Medicine.
The Physicians of Digestive and Liver Disease Specialists maintain an interactive referral link with the transplant centers at the Medical College of Virginia, Fairfax Hospital, and Georgetown University Medical Center.
Southeastern Virginia is easily accessible. All major domestic airlines serve Norfolk International Airport located in Norfolk, Virginia. Train service and ground transportation are available from Washington, D.C. and the Research Triangle area of northeastern North Car
CVs available upon request
Research Phase Experience
Phase I-IV clinical trials
Areas of Clinical Research Experience
Chronic Liver Disease
Hepatitis C virus
Irritable bowel syndrome
Metastatic intrahepatic carcinoma
Prevention of gastric ulcers
Covance Periapproval Services, Inc.
Duke Clinical Research Institute
ICON Clinical Research
Kern McNeill International
MTRA AAI International
Clinical Investigators (Board Certified Gastroenterologists)
Michael J. Ryan, MD-Research Director
F. Taylor Wootton, MD
David A. Johnson, MD
Jeff R. Willis, MD
Kelvin Hornbuckle, MD
Whitney D. Brooks, MD
Syed I.M. Thiwan, MD
John H. Smith, MD
Clinical Research Staff
Pamela Hoisington, CCRP, Manager
Shirley Terry, Regulatory Affairs Specialist
Jodie Howell, LPN, Coordinator
Susan Steele, Coordinator
Deanna Rixon, Regulatory Affairs Specialist
Astra Pharmaceuticals, L.P.
C. B. Fleet Co., Inc.
Enteric Medical Technologies, Inc.
EXACT Sciences Corporation
G.D. Searle & Co.
Glaxo Smith Kline
Isis Pharmaceuticals, Inc.
Merck & Co., Inc.
Osiris Therapeutics, Inc.
Otsuka America Pharmaceuticals, Inc.
Procter & Gamble Pharmaceuticals, Inc.
Roche Laboratories, Inc.
Schering-Plough Research Institute
Shire Pharmaceutical Development
Synsorb Biotech, Inc.
Takeda Global Research and Development Center, Inc.
Tap Holdings, Inc.
Tibotech Research & Development