About Us

Building a Better Future

Our Story

Orange County Research Institute is a clinical research center that has been serving the community since 2011. We participated and partnered with pharmaceutical companies that led to ground breaking research trials that have paved the way to new , safe and efficacious drugs that have introduced and improved treatment of various conditions such as Diabetes, Hypertension, Hypercholesterolemia, Chronic Low Back Pain, Osteoarthritis, Fibromyalgia, Neuropathy , Insomnia, Alzheimer’s Disease and various other medical conditions. Our team is led by Dr. Steve Sitar who specializes in Internal Medicine and has served patients in Orange County for 28 years. He is affiliated with Anaheim Regional Medical Center.

Meet The Team

Steve Sitar, MD

Principle Investigator

Rosario Retino, MD

Principle Investigator

Grace Young, MD

Sub Investigator

Florence Harder

Clinical Trial Director

Cassandra Valdez

Study Coordinator

Mary Fernandez

Study Coordinator

“I think history would say that medical research has, throughout many changes of parties, remained as one of the shining lights of bipartisan agreement, that people are concerned about health for themselves, for their families, for their constituents.” ~ Francis Collins