About California Research Institute

Physician-Led Clinical Research in Los Angeles

Advancing clinical research through personal care and community connection.

Founded by a physician, focused on people

Dr. Ghassan Aljazaerli established California Research Institute to expand research opportunities for patients in his practice. CRI conducts independent Phase I–IV research across multiple specialties in greater Los Angeles.

A multidisciplinary team

Our research brings together investigators, coordinators, and clinical professionals. Therapeutic areas include oncology, rheumatology, pulmonary medicine, thyroid eye disease, and pediatrics.

Supporting each study

CRI’s site operations encompass participant recruitment and retention, regulatory affairs, clinical laboratory services, data management, quality assurance, and investigational-product handling. Multilingual staff support communication with our community. Explore current clinical trials.

Meet our investigators   Contact our team