Accel Research – Decatur
About This Site
Accel Research – Decatur provides patients in Decatur, Georgia with access to clinical trials focused on advancing new and innovative treatment options. Established in 1998, this 11,000-square-foot, research-dedicated facility brings decades of experience in conducting Phase I–IV clinical trials, with a strong emphasis on neurological research.
Our experienced team creates a welcoming, patient-centered environment where your safety, comfort, and privacy are always the top priority. Led by Principal Investigators Dr. Ramana Puppala and previously Dr. Marshall Nash—who have collectively conducted over 120 clinical trials—we partner with leading pharmaceutical and biotechnology companies to offer studies across a wide range of health conditions, bringing cutting-edge research opportunities closer to the Decatur community.
Conditions at this location
Alzheimer’s Disease
Atherosclerotic Cardiovascular Disease (ASCVD)
Cannabis Use Disorder
Cannabis Withdrawal
Healthy Volunteer
High Blood Pressure/ Hypertension
Influenza Vaccine
Memory Loss
RSV Vaccine
Type 2 Diabetes
Providers at this location
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Marshall L. Nash
C.P.I., M.D., F.A.H.A., F.A.P.C.R., F.A.A.N.
Dr. Marshall L. Nash is Chief Principal Investigator at Accel Research Sites-NeuroStudies Decatur location, and Medical Director for the NeuroStudies subnetwork within Accel Research sites.
Dr. Nash currently conducts and supports Phase I trials at the Accel Research sites in Florida and the Accel Research-NeuroStudies site in Decatur, Georgia.
Dr. Nash has been a certified principal investigator since 2002 and has served as a PI on more than 200 clinical trials, which have enrolled over 1,000 patients.
He is a board-certified neurologist since 1995, and is a Fellow of the American Heart Association, Fellow of the Academy of Physicians in Clinical Research and Fellow of the American Academy of Neurology. Specializing in Alzheimer’s, Parkinson’s, migraine and stroke research, he has authored many peer-reviewed publications, been a featured speaker at several national neurology academy meetings, and holds a lifelong commitment to improving treatment options through neurology research.
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Ramana K. Puppala
M.D.
Dr. Ramana Puppala is a principal investigator at Accel Research Sites. He is also an attending OB/GYN physician at Emory Decatur Hospital in Decatur, Georgia. Dr. Puppala has been a practicing OB/GYN for 18 years and came to Accel Research Sites in 2021 with 22 years of research experience as a principal investigator and sub-investigator. His areas of expertise include women’s health and gynecology, plastic surgery, dietetics, endocrinology, and more.
Dr. Puppala is a member of the American Board of Obstetrics and Gynecology, the American Board of Cosmetic Surgery, and the American Board of Obesity Medicine. He also served his country in the United States Army and was an attending OB/GYN physician with various appointments, including Fort Sill Oklahoma, and Fort Leonard Wood in Missouri.
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