Not medical advice. This site is general information only. In an emergency call your local emergency number. For advice about your own health, speak to a doctor, pharmacist or other qualified health professional.

About ClinicalTrialsDB

ClinicalTrialsDB catalogs 107 landmark clinical trials that defined modern medicine. Every drug you take, every procedure you undergo, and every screening test you are offered rests on evidence from trials like these. Some proved therapies work. Some proved beloved ideas harmful. All changed practice.

Collection Breakdown

Sources

Entries are short summaries compiled with reference to public sources such as each trial's primary publication and its ClinicalTrials.gov or registry record. They are simplified, may not reflect the latest guidance, and should be checked against the original source.

Medical disclaimer

Everything on ClinicalTrialsDB is general information, not medical advice, and it cannot diagnose or treat any condition. In an emergency call your local emergency number. For advice about your own health or medicines, speak to a doctor, pharmacist or other qualified health professional.