Clinical Trials in California

Total Trials

833

Recruiting Now

833

How many clinical trials are currently recruiting in California?

ClinicalMetric currently tracks 833 actively recruiting clinical trials with at least one location in California. The total number of registered studies—including active but not currently enrolling trials—is 833. Trial availability is updated daily from ClinicalTrials.gov, and new studies open enrollment regularly throughout the year.

What types of clinical trials are available in California?

California hosts clinical trials across a broad range of medical conditions, including Breast Cancer, Prostate Cancer, Colorectal Cancer, and many others. Trials range from Phase 1 early-safety studies to Phase 4 post-approval surveillance, as well as observational and behavioral research. Academic medical centers, community hospitals, and specialized research clinics throughout California serve as trial sites for studies sponsored by NIH, pharmaceutical companies, and independent investigators.

How do I join a clinical trial near me in California?

To join a clinical trial in California, browse the recruiting studies listed on this page, review the eligibility criteria for each trial, and contact the study site directly. Your primary care physician or specialist can also refer you to clinical trials relevant to your diagnosis. Many academic medical centers in California maintain dedicated clinical trials offices that can match you with appropriate studies based on your medical profile and diagnosis.