As of August 2026, 19 paid clinical trials are recruiting at Kaiser Permanente-Ontario in Ontario, California. Active studies at this site cover conditions such as Stage IV Lung Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8 and Breast Cancer. Compensation typically covers time, travel, and study visits — most studies also offer study-related medical care at no cost to participants.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
There are approximately 24 recruiting clinical trials in Ontario, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Ontario compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
The most common conditions under active study in Ontario include Stage IV Lung Cancer AJCC v8 (3), Anatomic Stage IV Breast Cancer AJCC v8 (2), Breast Cancer (2), Metastatic Malignant Neoplasm in the Brain (2), among many others. Browse the list above to explore every recruiting trial.
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Ontario on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Recruiting research sites in Ontario include Kaiser Permanente-Ontario, Kaiser Permanente Ontario Medical Center, Orange County Research Institute, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
The largest active categories in Ontario are Cancer & tumors (17), Mental health & behavior (1), Diabetes & metabolic (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.