Behind every successful clinical trial at ClinTrial Research is a dedicated clinical research team working in close partnership with our PIs, sponsors and CROs. This collaborative approach ensures every trial meets the highest standards of safety, accuracy, and scientific rigor.
EXPERT OVERSIGHT. RIGOROUS EXECUTION. TRUSTED OUTCOMES.
EXPERT INFRASTRUCTURE
Work with our ClinTrial Research Team
Our clinical research physicians don’t simply review protocols—they actively oversee trial execution, work directly with site staff, and ensure every decision prioritizes participant safety and data integrity. This hands-on involvement ensures protocol compliance and study success.
350
+
Trials Conducted
7
k
Research Visits
850
k
Patient Database
PRINCIPAL INVESTIGATORS
KOL experts and industry leaders in their medical fields
ClinTrial Research is led by highly experienced physicians who bring clinical expertise, rigorous oversight, and genuine commitment to every trial. Operating across multiple states, our physician-led practices ensures patient safety, precision execution, and reliable outcomes. The result – clinical trials that improve lives.
Nephrology
Dr. Arvind Madan, MD
Rheumatology
Dr. Priya Prakash, MD
As a clinical trial investigator, specializing in Rheumatology, she provides strong clinical oversight to ensure studies are conducted safely, accurately, and in full alignment with research protocols. She serves as a principal investigator at CTR Clermont, LLC in Clermont, Florida, and supports high-quality rheumatology research and improves patient care outcomes.
Pulmonology & Sleep Medicine
Dr. Sonal Arora, MD
Specializing in pulmonology and sleep medicine and serves as principal investigator at CTR South Cary, LLC in Cary, North Carolina. In her role as a clinical trial investigator, she ensures every study is conducted with strong clinical oversight, patient safety, and strict adherence to research protocols.
Ophthalmology & Medical Aesthetics
Dr Sumeet Jindal, MD, MBA
A clinical research physician specializing in ophthalmology and medical aesthetics and serves as principal investigator at CTR Oxford, LLC in Raleigh, North Carolina. As a clinical trial investigator, he ensures studies are conducted with strong clinical oversight, precision, and strict adherence to safety and research protocols.
Ophthalmology & Medical Aesthetics
Dr. Vinod Jindal, MD
Partnering with the clinical research investigator team, Dr. Vinod Jindal supports the advancement of innovative treatments and high-quality research in eye care and aesthetics. He is a clinical research physician specializing in ophthalmology and medical aesthetics and serves as principal investigator at CTR Oxford, LLC in Raleigh, North Carolina.
Ophthalmology & Medical Aesthetics
Dr. Amit Kumar, MD
Dr. Amit Kumar is a clinical research physician specializing in ophthalmology and medical aesthetics and serves as principal investigator at CTR Oxford, LLC in Raleigh, North Carolina. As a clinical trial investigator, he oversees study execution, focusing on accuracy, patient safety, and strict adherence to clinical protocols. He collaborates with the clinical research investigator team to support innovative research and deliver high-quality outcomes in ophthalmology and aesthetic medicine.
Gastroenterology
Raetta B. Fountain, MD
Dr. Raetta B. Fountain is a clinical research physician with expertise in gastroenterology and serves as principal investigator at CTR Atlantic, LLC in Greenville, North Carolina. She leads studies with a strong focus on patient safety, accuracy, and careful adherence to clinical protocols. Moreover, she collaborates closely with the clinical research investigator team to support advanced gastrointestinal research and improve patient outcomes.
Gastroenterology
Dr. Angela Hira, DO
Dr. Angela Hira is a clinical research physician with a focus on gastroenterology and serves as principal investigator at CTR Blue Ridge, LLC in Raleigh, North Carolina. In her role as a clinical trial investigator, she ensures studies are conducted with careful oversight, strong safety standards, and full protocol compliance.
Rheumatology
Dr. Walter Chmelewski
Walter Chmelewski is a clinical research physician specializing in rheumatology and serves as principal investigator at CTR Blue Ridge, LLC in Raleigh, North Carolina. Working closely with the clinical research investigator team, he is committed to advancing innovative rheumatology research and delivering meaningful improvements in patient care.
Gastroenterology
Dr. Benjamin Robey
Dr. Benjamin Robey specializes in gastroenterology and serves as principal investigator at CTR Blue Ridge, LLC in Raleigh, North Carolina. In collaboration with the clinical research investigator team, he is dedicated to advancing innovative gastrointestinal research and improving patient outcomes.
Endocrinology
Dr. Juman Takeddin, MD
Dr. Juman Takeddin is has expertise in endocrinology and serves as principal investigator at CTR Blue Ridge, LLC in Raleigh, North Carolina. In his role as a clinical trial investigator, he ensures each study is carried out with careful oversight, patient safety, and consistent protocol compliance. He collaborates with the clinical research investigator team to support high-quality endocrine research and drive better patient care outcomes.
Nephrology
Jessica Coleman, MD
As a clinical trial investigator, she leads each study with a thoughtful, patient-centered approach, ensuring safety, precision, and strong clinical oversight. Dr. Jessica Coleman is a clinical research physician specializing in nephrology and serves as principal investigator at CTR Beaufort, LLC in Beaufort, South Carolina. However, she is dedicated to advancing kidney health research and improving long-term patient outcomes.
Cardiology & Internal Medicine
Amer Suleman, MD
Dr. Amer Suleman is a clinical research physician specializing in cardiology, pots, cardiometabolic disorders, and internal medicine, serving as principal investigator at ChronicleBio – Dallas, Texas. He works closely with the clinical research investigator team to advance innovative cardiometabolic and cardiovascular research that improves patient outcomes.
Partner With Our Clinical Research Experts
What is the role of a clinical research principal investigator?
A clinical research investigator helps run clinical trials by monitoring study procedures, collecting data, and ensuring protocol compliance.
Are clinical research physicians involved in patient care?
Yes, clinical research physicians in every study closely oversee trial conduct while ensuring participants receive safe, monitored, and high-quality care.
Who works together during a clinical trial?
Clinical research physicians, clinical trial research coordinators and clinic site staff collaborate to ensure studies are safe, accurate, and well-managed.
