ClinicalTrials.gov Search: Studies by NCT, Condition
Pricing
from $0.10 / 1,000 studies
ClinicalTrials.gov Search: Studies by NCT, Condition
Search ClinicalTrials.gov studies by condition, drug, sponsor or status, or look up NCT IDs in bulk, via the official v2 API. Not medical advice.
Pricing
from $0.10 / 1,000 studies
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Lepi Data
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What it does. Searches the public ClinicalTrials.gov registry through its official API v2 by condition, intervention, sponsor, free text and status, or looks up a list of NCT IDs in bulk. Returns one row per study.
Input (from .actor/input_schema.json)
condition,intervention,sponsor,query(other terms)status: e.g. RECRUITING or COMPLETEDnctIds: bulk lookup (replaces the search)maxItems: search mode, up to 50,000
Output fields
nctId, briefTitle, officialTitle, acronym, organization, overallStatus, whyStopped, phase, studyType, allocation, primaryPurpose, masking, conditions, keywords, interventions, leadSponsor, leadSponsorClass, collaborators, enrollment, enrollmentType, sex, minimumAge, maximumAge, healthyVolunteers, startDate, primaryCompletionDate, completionDate, firstPostDate, lastUpdateDate, locationsCountries, locationsCount, locations (facility, city, state, country, status; up to 200), hasResults, studyUrl
Free status rows (not charged): no-results, not-found, invalid-input, api-error, free-plan-limit, charge-limit-reached.
Site contact names, emails and phone numbers are not returned.
Example (the build's prefill)
Input: {"condition":"type 2 diabetes","status":["RECRUITING"],"maxItems":20}
Data source and compliance
- Source: National Library of Medicine (ClinicalTrials.gov API v2, public, no key). This is an independent Lepi Data tool, not affiliated with or endorsed by NLM or NIH. No NLM or NIH logos are used.
- Not medical advice and not for clinical decisions, including whether to join a trial. Listing a study does not mean it has been evaluated by the U.S. government. Talk to a qualified professional.
- Returns structured study fields from the official API only. Attached documents (protocols, consent forms, statistical analysis plans) are not downloaded or returned.
- Respects the API's rate limits (about one request per 1.3 seconds) and backs off on errors.
- Free-plan accounts get up to 100 results per run.
Pricing. Pay per result, flat on every plan, no start fee. Free status rows are never charged.
