Search across registries
Find studies by condition, intervention, sponsor, or registry identifier.
Clinical trial records in one database.
Study details across registries, including conditions, interventions, sponsors, and reported study status, with registry IDs and source links. Download the data or use the API.
695,980 records·7 sources·13,268,879 values linked to sources
example record·source for every field
/v1/trials?q=NCT04280705&limit=20
ClinicalTrials.gov · public source
Resolve a registry ID into study design, recruitment status, intervention, and enrollment facts.
{
"brief_title": "Adaptive COVID-19 Treatment Trial (ACTT)",clinicaltrials-govsource, opens source in a new tab
"overall_status": "Completed",clinicaltrials-govsource, opens source in a new tab
"interventions": "Placebo; Remdesivir",clinicaltrials-govsource, opens source in a new tab
"enrollment_count": "1062",clinicaltrials-govsource, opens source in a new tab
// more fields in the full record30 fields in dictionary →
}
◆citation·brief_title
snapshot-backed proof
See the data in action.
695,980 catalog rows ranked · 150 downloadable rows · snapshot 2026-09-20
Choose a question to run the snapshot query.
Explore the available data
Explore use casesBuild research datasets
Download study records with release dates, registry identifiers, and source links.
Link registry IDs
Review records linked across ClinicalTrials.gov, CTIS, EudraCT, ISRCTN, and the included DRKS subset.
What's in this release
Included trials
695,980
ClinicalTrials.gov contributions
603,494
EU CTIS contributions
12,445
Freshness policy
Weekly refresh
Maximum age 8 days. Oldest measured source refresh: 2026-09-20.
Explore the sample. Check the coverage.
Review real records, available fields, and source links before choosing a plan.