Clinical trial registrations by sponsor, condition, status, or phase. Filter by intervention to find trials of a specific drug (a substring match over the full intervention/arm list — check interventions on the returned row, since a hit may be a comparator or placebo arm), by is_industry_sponsored to isolate pharma-sponsored trials, by enrollment_bucket for trial size, or has_results for whether results have posted. This is a single-source ClinicalTrials.gov tool — FDA approval actions live in the separate fda.approvals tool, joined by drug name.
Records
479,633
Trial registrations, structured JSON
History
2016–2026
2016-07-12 through 2026-07-16
New records
Nightly batch
Registrations and status changes
Freshness
Daily
JSON · Public · included in subscription
Live-verified 2026-07-19: 479,633 records synced, 2016-07-12 through 2026-07-16.
lead_sponsorstringLead sponsor name, partial match
conditionstringCondition/disease, partial match
interventionstringDrug/device/intervention name, e.g. "semaglutide" — substring match over the full arm list
phasestringTrial phase, partial match, e.g. PHASE2
is_industry_sponsoredbooleanFilter to industry-sponsored trials
has_resultsbooleanOnly trials with (true) or without (false) posted results
limitintegerMax records to return (default 25, max 50)
Also available: overall_status, enrollment_bucket, study_type, updated_after/updated_before, started_after/started_before, completion_after/completion_before.
{
"tool": "health.trials",
"params": {
"intervention": "semaglutide",
"phase": "PHASE3",
"is_industry_sponsored": true,
"limit": 25
}
}| Field | Type | Description |
|---|---|---|
| nct_id / brief_title | string | ClinicalTrials.gov identifier and title |
| overall_status / phase / study_type | string | Current status, phase, and INTERVENTIONAL/OBSERVATIONAL type |
| start_date / primary_completion_date / completion_date | date | Trial timeline dates |
| last_update_post_date | date | Last registry update; default sort key |
| lead_sponsor / lead_sponsor_class | string | Lead sponsor and its class (industry/NIH/other) |
| conditions / interventions / intervention_types | string | Disease(s) studied and the full drug/device/biologic arm list |
| is_industry_sponsored | boolean | Lead sponsor is an industry (pharma/biotech) entity, filterable |
| enrollment_count / enrollment_bucket | number / string | Enrollment count and computed size bucket (small/mid/large), filterable |
| has_results / is_recruiting | boolean | Results-posted and currently-recruiting flags |
| why_stopped | string | Registry-reported reason a stopped trial was stopped |
| primary_outcome / sex / minimum_age | string | Primary outcome measure and eligibility detail |
| location_countries / location_count | string / number | Countries with a trial site and site count |
{
"nct_id": "NCT06412887",
"brief_title": "A Study of EX-401 in Adults With NASH",
"overall_status": "RECRUITING",
"phase": "PHASE3",
"study_type": "INTERVENTIONAL",
"last_update_post_date": "2026-07-06",
"lead_sponsor": "Example Therapeutics",
"lead_sponsor_class": "INDUSTRY",
"conditions": "NASH",
"interventions": "EX-401 (Drug); Placebo (Drug)",
"is_industry_sponsored": true,
"enrollment_count": 412,
"enrollment_bucket": "mid",
"has_results": false,
"is_recruiting": true
}fda.approvals
Every FDA drug/biologic approval event. Join generic_name to this tool's interventions to trace trial-to-approval.
186K records · 1939–present
health.nih_grants
NIH funding by organization and PI — joins to this tool's org/PI names to trace funded research to its trials.
791K records · FY1970–present
fda.warning_letters
Active FDA enforcement against a trial sponsor or its manufacturing partners — regulatory-risk screen alongside a pipeline.
964 letters · 2021–present