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1918 Randolph Road
Charlotte, NC 28203


Clinical Research of Charlotte

Clinical Research of Charlotte

Clinical Research of Charlotte employs Clinical Research Coordinators, a Data Entry Coordinator, and a Recruitment Specialist that specialize in quick study start-up, patient recruitment, collecting good quality data and patient retention. We all follow a set of standard operating procedures as well as trial protocols, Good Clinical Practice and HIPAA guidelines to provide a smooth clinical trial process for all involved.

CRC was founded August 2014, is owned by Selwyn Spangenthal, MD and operates under the American Health Research Network. The benefit to the pharmaceutical sponsors is that CRC offers an expedited start-up process by centralizing contract and budget processing at American Health Research. CRC has a quick turn-around time on processing regulatory documents and utilizes a Central IRB.

Our facility includes:

  • Designated quiet monitoring space
  • 10-15 Private exam rooms for trial volunteers with Cable Television and Wifi access
  • Standard Operating Procedures
  • Central IRB capabilities
  • Copy, Fax, Phone, Internet (wifi) available to monitors
  • Cardiopulmonary Stress Test with Treadmill or Cycle Ergometer
  • Overnight Study Capabilities
  • Pulmonary Function Testing
  • Local Lab and X Ray Capabilities
  • Generator Back-up for Power Outages
  • CPR, IATA, HIPAA and OSHA certified staff
  • Designated Recruitment and Data Entry Staff
  • Echocardiograms
  • Large Patient Database
  • Close Proximity to Large Local Hospital
  • Body Plethysmography
  • Lab with CLIA
  • Refrigerated Centrifuge
  • Ambient Centrifuge
  • Specimen Refrigerators
  • -20 Degree Freezer
  • -70 Degree Celsius Freezer
  • Dry ice access
  • Locked drug storage
  • Secured long term storage for research files
  • Private office for research coordinators

Our Staff

Gwyn Gibson, CNA, CCRC    
Site Director, Marketing Director, Certfied Clinical Research Coordinator
Gwyn joined American Health Research in April of 2012. She received her Bachelor of Arts degree in Political Science from the University of North Carolina at Chapel Hill and her Certified Nursing Assistant degree from Watts School of Nursing in Durham, NC. She began her research experience in 2009 with the HEALTHY Study, which provided Type II Diabetes intervention for middle school students in North Carolina. She has also worked on Chronic Cough, Asthma and COPD studies. For fun, she enjoys running, traveling and cooking.

Rebecca Schreiner, MS, CCRC, RCEP
Assistant Site Director, Certified Clinical Research Coordinator
Rebecca joined Clinical Research of Charlotte in June 2015. She received her B.S. in Exercise Science from Pfeiffer University in 2012, and her M.S. in Clinical Exercise Physiology from The University of North Carolina at Charlotte in 2015. She has a passion for working with people. She enjoys country music, cooking, reading, scrapbooking, any type of exercise, and spending time with her husband, family, and friends. 

Kristi Hunt      
Clinical Research Coordinator
Kristi joined American Health Research in October of 2013. She comes to us with an extensive background in the medical field as well as research in obstetrics and rheumatology. Kristi is a local native of North Carolina. She graduated from the University of Denver with a degree in Property and Casualty Risk Management in 1995. Kristi is the mother of two magnificent children and would not trade motherhood for anything in the world. She is an avid lover of live jazz music, theatre, fine arts, sunsets and traveling the world. Kristi enjoys spending quality time with her family and friends, sharing a great laugh over life’s experiences. 

Marissa Riley
Clinical Research Coordinator

Marissa joined Clinical Research of Charlotte in August 2017. She received her Bachelor of Science in Public Health with a focus in Nutrition from the University of North Carolina-Chapel Hill in 2016. While at UNC, Marissa began her research experience investigating the correlation between nutritional biochemistry and influenza immunology, completing her honors research thesis upon graduation. Following graduation, she worked as a Clinical Research Assistant in an OB/GYN clinic. Outside of work she enjoys exercising, hiking, baking, and spending time by the pool or beach. 

Misty Williams
Research Assistant

Misty joined Clinical Research of Charlotte  in March of 2015. Misty joins us with a background  as  a pharmaceutical technician here in the Charlotte area. Misty also has a wealth of experience and knowledge in accounting and customer service. Misty enjoys spending time with her family, cheering on her son in baseball and her daughter in gymnastics. Misty also volunteers a lot of her spare time back to the community and her children’s school.


Our Investigators

Dr. William Ashe

Dr. Ashe was naturally drawn to pediatrics due to children’s honesty, directness, and ability to recover from the most serious conditions. He enjoys the uniqueness of pediatric pulmonary medicine and providing care to a variety of chronic illnesses such as premature lung diseases, cystic fibrosis, and asthma. Dr. Ashe is an advocate for children with debilitating handicaps. Dr. Ashe specializes in pediatric respiratory and allergy diseases and has practiced in the Charlotte region for the past nineteen years. He is co-director of the Western Carolina Cystic Fibrosis Center and Assistant Director of the Holy Angels Institute. He has served on numerous pediatric medical committees and boards and is actively involved in medical education in the community.  Dr. Ashe was awarded the Charlotte Top Docs Award in 2010, 2011, 2012 and 2014. He enjoys a number of outdoor activities and is an avid golfer. He and his wife have 3 children.


Dr. Hugh Black

Dr. Black completed his residency in General Pediatrics and a fellowship in Pediatric Pulmonary. He focused on treating children with allergies, asthma, and Cystic Fibrosis. As an adjunct teaching professor for the University of North Carolina School of Medicine, he enjoys teaching local physicians in training and medical students from UNC Chapel Hill. He has been a part of the UNC medical school teaching program in Charlotte for 15 years. Dr. Black has done extensive research on Cystic Fibrosis and is co-director of the Western Carolina Cystic Fibrosis Center. Additionally, he has ongoing participation in asthma related research and is currently active in the Charlotte Pediatric Medical Society.  He was awarded the Charlotte Top Docs Award in 2010, 2011, 2012, 2013 and 2014 in pediatric allergy and pediatric pulmonary medicine.In his spare time, Dr. Black spends time with his wife and two children, and he helps in community outreach efforts to shelter homeless families.

Dr. Thomas Humphries

Dr. Humphries was a Morehead Scholar at UNC-Chapel Hill. He is past chairman of the North Carolina Asthma Board and has been active in asthma research. Throughout his career, he has personally evaluated over 25,000 patients with asthma and allergic diseases and earned the 2010 Charlotte Top Docs Award.  He is frequently consulted on patients who have chronic asthma and those with severe allergic rhinitis. The father of 6 children, Dr. Humphries enjoys traveling, scuba diving, fishing, and doing projects on his farm.


Dr. Douglas Johnston

Dr. Johnston is a fellow of the ACAAI, AAAAI and a member of the Clinical Immunology Society. He is an Assistant Professor of Internal Medicine/ Allergy & Immunology at the Edward Via School of Osteopathic Medicine in Spartanburg, SC. Dr. Johnston is also a member of the Allergic Skin Disease Committee and is the featured allergist on the Allergy and Asthma Foundation of America’s “Ask the Allergist” website. When not working, he enjoys traveling with his family and cooking.



Dr. Vandana Patel

Dr. Patel became a physician because it fulfills three of her life passions: learning and teaching, serving the community, and creating meaningful human relationships. She enjoys seeing patients of all ages with a wide spectrum of allergic and immune diseases. Her special areas of interest include food allergies, adverse reactions to drugs, allergic rhinitis, and asthma. Dr. Patel is a native of South Williamson, Kentucky. She has been involved in both clinical and basic science research throughout her career. Dr. Patel is a member of American Academy of Asthma, Allergy and Immunology; the American College of Asthma, Allergy and Immunology; the American Medical Association; and the American Academy of Pediatrics. She serves as teaching facility member at Levine Children’s Hospital. Dr. Patel enjoys spending time with her husband and three children, cooking, and reading.