Clinicaltrials
Database of clinical studies worldwide — search by condition, location, or treatment to find trials
| What is it | Database of clinical studies worldwide — search by condition, location, or treatment to find trials |
|---|---|
| Pricing | Unknown |
| Platform | Web Application |
| API | Yes |
| Works with | IFTTT |
| Best for | finding clinical trials for a specific medical condition, checking trial locations and recruitment status |
| Domain registered | 2000 |
Data updated Aug. 1, 2026
What does Clinicaltrials do?
Clinicaltrials is a public database run by the U.S. National Library of Medicine. It lists over 590,000 clinical studies from around the world. You can search by condition or disease, intervention or treatment, location, and other terms. The site also provides detailed information about each study, such as its purpose, phases, eligibility criteria, and contact details for enrollment. It is designed to help patients, caregivers, and researchers find relevant clinical research opportunities.
The search interface lets you apply multiple filters at once: study status (recruiting, not yet recruiting, completed), location (country, city, zip code), and more. An expert search mode supports Boolean operators and field-specific queries for advanced users. The site includes guides for patients on how to join a study and answers common questions about clinical trials. There is also a glossary explaining terms like "randomized allocation" and "adverse event." The database is updated regularly as new studies are registered and results are posted.
Patients and caregivers use Clinicaltrials to find trials for specific conditions, check if a study is recruiting near them, and learn what participation involves. Medical researchers and healthcare professionals rely on it to understand the current landscape of clinical research in their field, review study designs, and identify potential collaboration opportunities. The site is straightforward to use, though its depth of information makes it a powerful tool for anyone involved in clinical research.
Key features
What makes it stand outWho is Clinicaltrials for?
Who benefits most from this toolTrust & presence
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