ABOUT US
Orange County Research Institute has been dedicated to advancing healthcare since 2006. As a trusted clinical research center, we’ve partnered with leading pharmaceutical companies to conduct clinical trials that have paved the way for new, safe, and effective treatments. Our research has contributed to the development of drugs that have improved the management of a wide range of conditions, including diabetes, hypertension, hypercholesterolemia, chronic low back pain, osteoarthritis, fibromyalgia, neuropathy, insomnia, obstructive sleep apnea, Alzheimer’s disease, and more.
DR. STEVE SITAR
Dr. Steve Sitar has over 15 years of clinical research experience and was a principal investigator for over 135 clinical research studies. He has an extensive experience as an internal medicine specialist for 28 years.
DR. ROSARIO RETINO
Dr. Rosario Retino is an admitting physician at San Antonio Regional Hospital and Pomona Valley Hospital Medical Center. She has been a pediatrician specialist for 25 years. She has over 10 years of clinical research experience and was a principal Investigator for over 25 clinical research studies.