About Clinical Trials

An Introduction to Clinical Trials

Learn how clinical trials work and why you might want to participate in one.

Learn About Clinical Trials

MedlinePlus explains the basics of clinical trials: what they are, how they work, and how they are regulated.


Citizens for Responsible Care and Research (CIRCA) discusses Medicare's coverage of medical trials.

Centers for Medicare & Medicaid Services

The official government page on Medicare clinical trial policies.

Mass General Brigham Biobank

The state-of-the-art Mass General Brigham HealthCare Biobank at Massachusetts General Hospital provides researchers with access to high-quality samples to help foster research, advance our understanding of the causes of common diseases and advance the practice of medicine.