Are you interested in playing a role in advancing medicine?
Green Leaf Clinical Trials serves as a committed center for clinical research, uniting a team of diverse specialists, including doctors and family practitioners.
Participating in a clinical trial involves engaging in a research study where individuals collaborate with doctors to address inquiries related to the treatment of specific health issues or the enhancement of existing medical interventions.

Dedicated to clinical research participants
Curious about clinical research? Join one of our FDA-approved studies directly through our website. Our experienced, licensed doctors are available at all times during your participation, ensuring you receive the highest level of care and support. Ready to contribute to medical progress? Explore our studies or call us to learn more.

Our Commitment to Excellence for Sponsors and CROs
 Specializing in the seamless execution of Phase I-IV research studies, we uphold an unwavering commitment to delivering the highest quality of data to our Sponsors and CROs. Our dedication is steadfast, consistently aiming to not only meet but surpass our enrollment objectives.
Nestled in the vibrant heart of Florida, we serve as a catalyst for progress, pushing the boundaries of the medical field through each meticulously conducted clinical trial.

Meet your doctor and principal investigator:

KRISTIAN E. SANCHACK, MD MHA FAAFP

Board certified in Family Medicine. After completing a 25 year career in US Navy,  Dr. Sanchack now runs a Direct Primary and Specialty care practice in Jacksonville, Florida.  Together with the support of the Elite Clinical Network, his team provides superior medical care while conducting clinical studies. Dr Sanchack and his team are dedicated to advancing the world of medicine while providing better lives for his patients!