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
Select a condition to learn more about it.
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Alzheimer’s Disease
Alzheimer’s disease affects memory, thinking, and behavior. Symptoms usually become more noticeable over time and may make everyday activities more difficult.
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Atherosclerotic Cardiovascular Disease (ASCVD)
Atherosclerotic cardiovascular disease happens when plaque builds up inside the arteries and limits blood flow. This can raise the risk of heart attack, stroke, and other heart-related health problems.
- Cannabis Use Disorder
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Cannabis Withdrawal
People who regularly use cannabis may have withdrawal symptoms when they reduce or stop using it. These may include irritability, anxiety, sleep problems, appetite changes, or changes in mood.
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Healthy Volunteer
Healthy volunteer studies include people who do not have the condition being studied. Their participation helps researchers learn more about the safety, dosing, and effects of potential treatments.
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High Blood Pressure/ Hypertension
High blood pressure happens when blood pushes against the artery walls with too much force over time. Managing it can help lower the risk of heart disease, stroke, and kidney problems.
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Influenza Vaccine
Flu vaccines help protect against seasonal influenza and its complications. Researchers continue to study new vaccine options that may offer broader or longer-lasting protection.
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Memory Loss
Some memory changes can happen with age, but ongoing or worsening memory loss may be linked to another health condition. A healthcare professional can help evaluate changes and discuss next steps.
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RSV Vaccine
RSV is a respiratory virus that can cause serious illness, especially in infants, older adults, and people with certain health conditions. RSV vaccines are designed to lower the risk of severe illness.
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Type 2 Diabetes
Type 2 diabetes affects how the body uses insulin and manages blood sugar. Ongoing care can help control blood sugar and lower the risk of serious health problems.
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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