{ "openapi": "3.0.1", "info": { "title": "Clinical Trials API - Normalized ClinicalTrials.gov Data", "description": "[💵 $4.00 / 1K] Clean, normalized clinical trials from ClinicalTrials.gov: parsed eligibility (inclusion/exclusion + age), phase, status, sponsors, interventions, outcomes, and flattened study sites with geo. 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Example: 'breast cancer', 'type 2 diabetes'." }, "searchTerm": { "title": "Free-text search", "type": "string", "description": "Free-text search across the whole study record (query.term). Use for drug names, keywords, or any term not covered by the other fields." }, "intervention": { "title": "Intervention / drug", "type": "string", "description": "Intervention or drug name (query.intr). Example: 'pembrolizumab', 'semaglutide'." }, "sponsor": { "title": "Sponsor / organization", "type": "string", "description": "Lead sponsor or collaborator name (query.spons). Example: 'Pfizer', 'National Cancer Institute'." }, "location": { "title": "Location", "type": "string", "description": "Location filter (query.locn): country, state, or city. Example: 'United States', 'California', 'Boston'." }, "status": { "title": "Recruitment status", "type": "array", "description": "Filter by overall recruitment status. Leave empty for all statuses.", "items": { "type": "string", "enum": [ "RECRUITING", "NOT_YET_RECRUITING", "ACTIVE_NOT_RECRUITING", "ENROLLING_BY_INVITATION", "COMPLETED", "SUSPENDED", "TERMINATED", "WITHDRAWN", "UNKNOWN" ], "enumTitles": [ "Recruiting", "Not yet recruiting", "Active, not recruiting", "Enrolling by invitation", "Completed", "Suspended", "Terminated", "Withdrawn", "Unknown" ] }, "default": [] }, "phases": { "title": "Phase", "type": "array", "description": "Filter by trial phase. Codes: 0 = Early Phase 1, 1 = Phase 1, 2 = Phase 2, 3 = Phase 3, 4 = Phase 4. Leave empty for all phases.", "items": { "type": "string", "enum": [ "0", "1", "2", "3", "4" ], "enumTitles": [ "Early Phase 1", "Phase 1", "Phase 2", "Phase 3", "Phase 4" ] }, "default": [] }, "nctIds": { "title": "Specific NCT IDs", "type": "array", "description": "Fetch specific trials by NCT ID instead of searching. When set, search fields are ignored. 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